Iron Roughneck ST-80C

Mech. Engineering Department BOE / M

BENTEC GmbH Drilling & Oilfield Systems Deilmannstr. 1 48455 Bad Bentheim Germany Phone: +49 5922 72 80 www.Bentec.de

Prepared: I.T. Date: Sep.08

TECHNICAL MANUAL LAND DRILLING RIG “350T BENTEC AC DRILLING RIG”

IRON ROUGHNECK SECTION 2007

CUSTOMER: DAFORA

BENTEC GmbH Drilling & Oilfield Systems





TABLE OF CONTENTS

1. EQUIPMENT DATA 2. INSTALLATION, OPERATION AND MAINTENANCE 3. SPARE PARTS LISTS 4. DRAWINGS






1. EQUIPMENT DATA


© Bentec GmbH Drilling & Oilfield Systems This manual is a protected document according to the law against unfair competition. The copyright remains vested in Bentec GmbH Drilling & Oilfield Systems, Deilmannstr. 1, 48455 Bad Bentheim, Germany. This manual is designed for the operator of the facility/machine and its personnel. It contains text, pictures and drawings, which without express prior approval of Bentec GmbH Drilling & Oilfield Systems neither in part nor completely shall be duplicated, distributed or communicated in any other way.

Mech. Engineering Department BOE/M Prepared: A.I. Date: Aug.08


Equipment Data Type:

ST-80C

Depth:

59,6 in.

1.514 mm

With:

66,0 in.

1.676 mm

Height:

86,6 in.

2.200 mm

Weight:

7000 lb

3.175 kg

Operating pressure:

2100 psi

145 bar

Hydraulic input pressure (max.):

3000 psi

207 bar

Hydraulic input pressure (min.):

2100 psi

145 bar

Hydraulic flow rate required:

Max. 40 gpm

Max. 150 l/min

Make up torque:

60.000 lbf ft max.

81.349 Nm

Break out torque:

80.000 lbf ft max.

108.466 Nm

Hydraulic:

Wrench






2. INSTALLATION, OPERATION AND MAINTENANCE


User Manual ST-80C Iron Roughneck

Reference

Reference Description

30179800

Iron Roughneck, ST-80C

This document contains proprietary and confidential information which belongs to National Oilwell Varco; it is loaned for limited purposes only and remains the property of National Oilwell Varco. Reproduction, in whole or in part; or use of this design or distribution of this information to others is not permitted without the express written consent of National Oilwell Varco. This document is to be returned to National Oilwell Varco upon request and in any event upon completion of the use for which it was loaned. © National Oilwell Varco

www.nov.com

National Oilwell Varco 12950 West Little York Houston, TX 77041 Phone: 713-937-5000 Fax: 713-856-4138

Document Number

Rev.

D811000124-MAN-001

01

D811000124-MAN-001 Revision 01

Revision History

01

11.05.2007

New Issue

Rev

Date (dd.mm.yyyy)

Reason for issue

Change Description Revision

www.nov.com

Change Description

P. Solovyov K. Schmidt Prepared

Checked

B.Winter Approved

D811000124-MAN-001 Revision 01 Page i of iv

Table of Contents Chapter 1: General Information Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Notes, Cautions, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Illustrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Personnel Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 General System Safety Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Replacing Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Proper Use of Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Chapter 2: Overview Tool Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Iron Roughneck Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 ST-80C Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 ST-80C Tall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 ST-80C Range of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Pinch Point Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Tool Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Socket Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Carriage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Pedestal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Controls Positioning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Control Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 Hoist/lower Kit (ST-80C Tall) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Chapter 3: Installation Pre-Installation and Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Customer Verification of Hydraulic Fluid Cleanliness . . . . . . . . . . . . . . . . . . . . . . 3-1 Equipment Differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Pre-Installation Requirements and Procedures . . . . . . . . . . . . . . . . . . . . . 3-2 Hydraulic System and Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Equipment Motion Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Floor Socket Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Reach Extender Plate (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Use of Optional Reach Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Lifting the Iron Roughneck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Removing Transport Frame and Skid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

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Table of Contents Iron Roughneck Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing the Control Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Positioning the Control Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing the Service Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing the Hydraulic Power Unit (HPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hoist/Lower Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checkout Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Iron Roughneck Installation Checkout Procedure . . . . . . . . . . . . . . . . . . . . . . . HPU Installation Checkout Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Controls Installation Checkout Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storing the Iron Roughneck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transporting the Iron Roughneck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using an Iron Roughneck on Floating Vessels . . . . . . . . . . . . . . . . . . . . . . . . .

3-12 3-14 3-14 3-16 3-17 3-18 3-20 3-20 3-20 3-20 3-21 3-22 3-23

Chapter 4: Operation Operating the ST-80C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking System Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hoist/Lower Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Positioning ST-80C for Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Making and Breaking Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjusting the Makeup Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjusting Torque Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Securing the ST-80C on a Floating Vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8

Chapter 5: Maintenance Lubricant Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Selecting A Lubricant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recommended General Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recommended Hydraulic Fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recommended Gear Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection and Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspecting Hardware and Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lubricating the ST-80C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Daily . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weekly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Months . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Changing Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection and Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MPI Inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 5-1 5-1 5-1 5-2 5-3 5-3 5-3 5-4 5-5 5-6 5-7 5-7 5-8 5-9

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Table of Contents Disassembly and Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 Changing Dies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 Replacing Spin Rollers and Slide Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Adjusting Torque Gage Responsiveness . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Chapter 6: Troubleshooting Troubleshooting the ST-80C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Troubleshooting Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Operating Mode Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Vertical Positioning Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Troubleshooting the Torque Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 Troubleshooting the Spinner Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Chapter 7: Service Locations National Oilwell Varco Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

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General Information

1

Intended Audience This manual is intended for use by field engineering, installation, operation, and repair personnel. Every effort has been made to ensure the accuracy of the information contained herein. National Oilwell Varco® (NOV), will not be held liable for errors in this material, or for consequences arising from misuse of this material.

Conventions Notes, Cautions, and Warnings Notes, cautions, and warnings provide readers with additional information to advise the reader to take specific action to protect personnel from potential injury or lethal conditions. They may also inform the reader of actions necessary to prevent equipment damage. Please pay close attention to these advisories. Note:

i The note symbol indicates that additional information is provided about the current topics.

Caution:

The caution symbol indicates that potential damage to equipment or injury to personnel exists. Follow instructions explicitly. Extreme care should be taken when performing operations or procedures preceded by this caution symbol.

Warning:

The warning symbol indicates a definite risk of equipment damage or danger to personnel. Failure to observe and follow proper procedures could result in serious or fatal injury to personnel, significant property loss, or significant equipment damage.

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General Information


Conventions Illustrations Illustrations (figures) provide a graphical representation of equipment components or screen snapshots for use in identifying parts or establishing nomenclature, and may or may not be drawn to scale. For component information specific to your rig configuration, see the Technical Drawing Package included with your NOV documentation.

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General Information

1

Safety Requirements National Oilwell Varco equipment is installed and operated in a controlled drilling rig environment involving hazardous situations. Proper maintenance is important for safe and reliable operation. Procedures outlined in NOV manuals are the recommended methods of performing operations and maintenance.

To avoid injury to personnel or equipment damage, carefully observe requirements outlined in this section.

Personnel Training All personnel performing installation, operations, repair, or maintenance procedures on the equipment, or those in the vicinity of the equipment, should be trained on rig safety, tool operation, and maintenance to ensure their safety.

Personnel should wear protective gear during installation, maintenance, and certain operations.

Contact the NOV Drilling Equipment training department for more information about equipment operation and maintenance training.

Recommended Tools Service operations may require the use of tools designed specifically for the purpose described. NOV recommends that only those tools specified be used when stated. Ensure that personnel and equipment safety are not jeopardized when following service procedures or using tools not specifically recommended by NOV.

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General Information


Safety Requirements General System Safety Practices The equipment discussed in this manual may require or contain one or more utilities, such as electric, hydraulic, pneumatic, or cooling water.

Read and follow the guidelines below before installing equipment or performing maintenance to avoid endangering exposed persons or damaging equipment.

R

Isolate energy sources before beginning work.

R

Avoid performing maintenance or repairs while the equipment is in operation.

R

Wear proper protective equipment during equipment installation, maintenance, or repair.

Replacing Components R

Verify that all components (such as cables, hoses, etc.) are tagged and labeled during assembly and disassembly of equipment to ensure correct installation.

R

Replace failed or damaged components with NOV certified parts. Failure to do so could result in equipment damage or injury to personnel.

Routine Maintenance Equipment must be maintained on a routine basis. See Chapter 5, Maintenance, Inspection and Lubrication for maintenance recommendations.

Failure to conduct routine maintenance could result in equipment damage or injury to personnel.

Proper Use of Equipment National Oilwell Varco equipment is designed for specific functions and applications, and should be used only for its intended purpose.

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General Information

1


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General Information



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Overview

2

Tool Description The ST-80C iron roughneck is an oil-rig tool used for make-up and break-out of drilling tubular connections. Designed for use on smaller rigs where floor space is limited, the durable ST-80C iron roughneck features a extend/retract scissor-arm system and is available in standard and tall models. With the tall pedestal iron roughneck model, the operator has the capability of raising the iron roughneck above the deck crew’s head in the parked position. Thus, the ST-80C allows clearance around well center and mousehole both during use and when placed in the parked position.

i For safety considerations, the ST-80C iron roughneck cannot be operated when placed in the parked position.

The control console, which mounts on the front left or right side of the iron roughneck carriage, operates the all-hydraulic components safely and quickly providing up to 80,000 ft.-lbs. of torque to make-up and break-out drilling tubular connections. The ST-80C is installed on the drill floor and uses either a single, floor-mounted socket or a floor-mounted bearing and upper mast attachment for elevated storage. No hanging cable is needed. The ST-80C works at well center and the mousehole. This automated iron roughneck can be rotated by hand about the pedestal for storage when not in use.

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Overview


Tool Description Iron Roughneck Components ST-80C Standard Carriage The carriage is connected to the pedestal and is a compact, heavy-duty enclosure for the iron roughneck components. The control console support is located on the front of the carriage. Control Console The ST-80C iron roughneck operator-controlled control console is installed on the front of the iron roughneck carriage. The control console can be mounted on the front left or front right side, depending on space requirements of the rig floor. Pedestal The pedestal, which is mounted on the drill floor, provides vertical and rotational travel for the iron roughneck for required alignment with either the mousehole or well center. Scissor-Arm Capable of extending and retracting, the scissor arm assembly supports and provides horizontal travel of the iron roughneck for positioning at the mousehole, well center, and parked/standby positions. Torque Wrench with Spin Rollers The ST-80C uses a combination spinner and torque wrench. The dies of the upper jaws are located between the spin rollers. The spin rollers grip the connection and spins with a torque of 1,750 ft.-lb. The torque wrench can make up the connection with a maximum torque of 60,000 ft.-lb. The wrench can break out connections with a maximum torque of 80,000 ft.-lb. The ST-80C iron roughneck can make or break all tool connections from 4 1/4" to 8 1/2" outside diameter, and can handle nominal drill pipe from 3 1/2" up to 6 5/8". It can also make and break stabilizers, spiral collars, and other bottom hole assembly (BHA) components with sufficient connection length.

ST-80C Tall Remote Hoist/Lower Kit The remote hoisting and lowering kit operates as an extension to raise the iron roughneck to the parked/stored position above the deck floor. This feature is only available for the ST-80 tall model.

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Overview

Tool Description ST-80C Range of Operation The ST-80C is compact and flexible for positioning as required according to rig floor specifications and dimensions. Models are available in standard and tall pedestal heights. The tall pedestal model can be raised to a high parked position using a hoist/lower kit. Refer to Chapter 4, Hoist/Lower Kit.

i Information and illustrations in this document feature the Tall pedestal model. However, information can be used for the ST-80C standard pedestal model or tall pedestal model.

8.5" Pipe Connection 53.0" R46.5

4.25" Pipe Connection R102.6

R19.1

11.5 89.7 (Fully Extended) 29.7 (Fully Retracted)

64°

158.8" 144.2"

Scissor Arm

Hydraulic Shut-Off Valve

86.8" 70.8"

QD CONNECTIONS 1 1/4" Return (NOV Supply)

Socket Flange Swivel Assembly (PN 30172616)

TO HPU 4.4"

Drill Floor 1" PRESSURE (NOV Supply)

Figure 2-1. ST-80C Range of Operation

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Overview


Tool Description Pinch Point Hazards

Keep all body parts clear of pinch point hazards.

Figure 2-2. ST-80C Pinch Point Hazards

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Overview

Tool Orientation The ST-80C front is positioned over the well center or mousehole for pipe handling procedures. For positioning information, refer to Chapter 4, Positioning ST-80C for Operation.

Rear

Right

Left

Front

Figure 2-3. Tool Orientation

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Overview

General Description The ST-80C iron roughneck can make-up or break-out tubular connections from 4-1/4" to 8-1/2" outside diameter, and can handle drill pipe from 3-1/2" up to 6-5/8". It can also make-up and break-out stabilizers, spiral collars, and other bottom hole assembly (BHA) components with sufficient connection length.

Pedestal

Carriage Transport Frame

Handle

Wrench

Controls

Socket Flange and Base

Floor Socket

Figure 2-4. ST-80C General Description

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2

Overview

General Description Socket Flange The ST-80C is installed on the drill floor using a single, floor-mounted socket. The socket flange enables the iron roughneck to be rotated for proper placement over the well center or mousehole.

Socket Flange and Base Assembly

Socket Cover

Rig Floor Floor Socket

Figure 2-5. Socket Flange

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Overview

General Description Carriage The iron roughneck carriage attaches to the scissor-arm which provides horizontal travel to align the iron roughneck with the well center or mousehole. The scissor-arm is retractable and can place the iron roughneck in operating, standby, or parked positions.

i The controls can be installed on either the left or right side of the ST-80C carriage. Refer to Chapter 3, Installing the Control Console.

Valve Bank Hydraulic Manifold

Carriage

Guide

LH Torque Adjustment and Horizontal Travel Adjustment

Handle

Wrench

Control Assembly Figure 2-6. ST-80-C Carriage Assembly

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2

Overview

General Description Pedestal The pedestal support is mounted on the drill floor using a single, floor-mounted socket or a floor-mounted bearing and upper mast attachment. The pedestal provides vertical and rotational travel to align the iron roughneck with the well center or mousehole.

Shut Off Valve With Lockout Feature

Hydraulic Filter

Pressure Reducing Valve Behind Cover Extend/Retract Duplex Cylinder Lift Cylinder Inside Support Column

Transport Pin Install in Stored Position for Operation

! If air is introduced into the duplex extend cylinder, use extreme caution when extending the platform for the first time. As the load moves over center, the air will compress causing the support arm to extend rapidly. Support unit with tugger and stand to the side until air is purged.

Figure 2-7. Pedestal Assembly

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Overview


General Description Wrench The ST-80C uses a combination spinner and torque wrench. The dies of the upper jaws are located between the spin rollers. The spin rollers grip the connection and spins with a torque of 1,750 ft.-lb. The torque wrench can make up the connection with a maximum torque of 60,000 ft.-lb. The wrench can break out connections with a maximum torque of 80,000 ft.-lb. Follow general safety precautions when working around wrench spin rollers. Failure to follow the precautions in these warnings may result in serious injury to personnel and/or damage to equipment.

Ensure power is OFF to the wrench/spin rollers before touching or performing repairs and maintenance. Spin rollers present pinching hazards.

Spin rollers can become hot during operation. Ensure spin rollers are allowed to cool before touching or performing repairs and maintenance.

Ensure tools, clothing, or personal equipment do not come in contact with the spin rollers during operation. Objects can become tangled in the spin rollers and lead to serious injury to personnel, and/or damage to equipment.

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Overview

General Description Wrench

Centralizer Plate Upper Jaw Dies 1 each side

Clamp Cylinder 2 places

Spin Rollers 2 each side

Lower Die and Die Holder 1 each side Torque Cylinder 1 each side

Spinner 1 each side

Figure 2-8. Wrench Assembly

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2

Overview


General Description Controls Positioning Range The ST-80C control console can be located on the right or left side and can be adjusted out 64°.

Position Range 64°

R 19°

Control Console

Figure 2-9. Controls Positioning Range

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2

Overview

General Description Control Console

BACK FWD

UP DOWN

TW SW

UNCLAMP BREAK CLAMP MAKE

OUT IN

30171793-1 Rev B

Detail of Control Panel

Torque Gauge

TW SW Engages torque wrench or spinning wrench

BACK FWD Extend and retracts to or from well center or mousehole

BREAK MAKE Makes or breaks a connection

BACK FWD

UP DOWN

TW SW


OUT IN

30171793-1 revB

UP DOWN Adjusts the vertical height

OUT IN Spins in or out

UNCLAMP CLAMP Clamps and unclamps the wrench on a tubular

Push/Pull Cable Figure 2-10. Control Console

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Overview

General Description Hoist/lower Kit (ST-80C Tall) The ST-80C Tall model includes a hoist/lower kit. The hoist/lower valve enables the operator to move the iron roughneck between the parked/stored and operating positions. Refer to Chapter 4, Hoist/Lower Kit.

Whenever hoisting or lowering the iron roughneck, ensure all personel and equipment are clear of the operating area. Failure to follow this warning may result in injury to personnel or damage to equipment.

Valve Guard

ST-80C Iron Roughneck Tall Model Directional Valve

Directional Valve Handle Figure 2-11. Hoist/Lower Kit (ST-80C Tall)

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Overview

2


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Overview



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D811000124-MAN-001 Revison 01 Page 3-1 of 24

Installation

3

Pre-Installation and Setup The information in this chapter assumes that all pre-installation planning and rig-up has been accomplished prior to installation of the iron roughneck.

Requirements Although many installation layout arrangements are possible, critical preparation and installation consideration must be preformed before attempting to install the iron roughneck. Before installing the iron roughneck system, consider the ideal location of the iron roughneck, HPU, and service loop to ensure accessibility and safety. Installation considerations help to prevent possible restrictions. Prior to field installation, ensure all iron roughneck components are included and are in serviceable condition. Fill all lubricants systems to correct levels with specified lubricants.

Initial Inspection After unpacking all iron roughneck components and parts, inspect as follows: 1. Inventory all components and parts. Notify National Oilwell Varco if parts are missing or incorrect. Refer to Chapter 7, Contact Information. 2. Inspect all components and parts for shipment damage and corrosion. Notify the carrier if components or parts were damaged during shipment.

Customer Verification of Hydraulic Fluid Cleanliness Prior to attaching any National Oilwell Varco equipment to the customer's hydraulic plumbing, the customer must ensure that the hydraulic fluid/system cleanliness is at a level of ISO 440615/12 or better.

Equipment Differences The National Oilwell Varco iron roughneck is available in standard pedestal and extended pedestal models. Each iron roughneck model is hydraulically similar. The illustrations and information in this document includes the common systems and components installation.

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Installation

Pre-Installation Requirements and Procedures Hydraulic System and Components Hydraulic systems and components are designed for the intended use in the drilling industry. The hydraulic operating pressure for this equipment is 2,100 psi. R

Before beginning work on any portion of the hydraulic system, familiarize yourself with the hydraulic schematics. Refer to the Technical Drawing Package.

R

Isolate, lock out, and tag the hydraulic power controls.

R

Take precautions when bleeding down residual system pressure, when using bleed valves or equivalent techniques.

R

Properly discharge all system stored fluid pressure.

R

Collect all residual hydraulic fluid in a container to prevent rig or environmental contamination.

R

Take precautions to prevent hydraulic oil from leaking into other open mechanical components such as junction boxes.

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Installation

Pre-Installation Requirements and Procedures Special Tools The following table lists special tools and support equipment required to install and commission an iron roughneck.

Description

Supplier and Model No.

Accuracy

Range

Hydraulic Pressure Test gage

Various

3-5%-FS

0-3000psi (0-206 Bar)

Equipment Motion Hazards The iron roughneck equipment travels either horizontally or vertically.

Avoid placing objects in or near the path of motion for this equipment. Such interference could cause serious injury and/or death to personal and/or damage to the equipment.

Keep the working envelope/zone of the equipment free from personnel.

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Installation

Installation Floor Socket Location Before installing the floor socket support for the iron roughneck, determine the proper floor socket location. The placement and installation of the floor socket is specific to the rig.

Well Center Allowable Socket Center Position Stay toward center to allow for tolerances.

R71.0 R89.0 Rig Specific

R89.0 R71.0

Mouse Hole Figure 3-1. Floor socket Location Layout

Rotary table (reference only)

Floor Socket

Allowable Pedestal Center Zone (See Technical Drawing Package for details.)

Well Center

Rig Structure

Mousehole

Floor Socket (Alternate Placement)

Floor Beams

Figure 3-2. Floor Socket Placement

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3

Installation

Installation Floor Socket Location Install the iron roughneck clear of the well center and mousehole position for tong applications. The following illustration shows the iron roughneck in the closest installation position to the well center and mousehole.

Tong Sweep R48.0 R60.0 Tong

360°

R60.1 71.0

71.0

Figure 3-3. Tong Sweep for ST-80C

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Installation

Installation Floor Socket Installation Install the floor socket into the rig floor as shown in the Figure 3-4. Ensure the floor socket is positioned to receive the iron roughneck pedestal facing forward.

Socket Flange

Drill Floor

.5 - 1.5" Top of Drill Floor to Bottom of Socket Flange

Optional: Add boxing plates to structure to increase welding area for the floor socket.

4X 45° X .50 Chamfer to weld socket to rig structure

2X Jackscrews 2X Column Pins Column Base

1.1 10.0

Socket Flange 14.8

1.0

Ø8.0

20.6 15.5

11.0

15.1

Ø10.0

Ø23.0

Socket Flange and Assembly (480 lbs.)

14.4

Floor Socket (190 lbs.)

Figure 3-4. Floor Socket Components

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Installation

3

Installation Reach Extender Plate (Optional)

25.0

'X' DIM ST-80C COLUMN COLUMN BASE ASSY TURNTABLE BEARINGS REACH EXTENDER 'Y' DIM

SOCKET FLANGE

ST-80C Reach Extender Plate

Choose Optional Reach Extender PART NO. 'X' DIM 'Y' DIM 2nd BEARING 30172058 15.00 2.50 NO 30172505 21.00 4.56 YES 30174040 25.00 5.06 YES

The use of extenders is optional if the position diamond covers area that contains an obstruction.

Figure 3-5. Reach Extender Plate Installation

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Installation

Installation Use of Optional Reach Extender

Floor Socket Reach Extender (optional)

Well Center

Position Diamond

Mousehole

Figure 3-6. Reach Extender (Optional)

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Installation

3

Installation Lifting the Iron Roughneck Before lifting the iron roughneck, ensure that the pedestal is in the full down position and that the transport pin is installed in the transport position. When the iron roughneck is in use, store the transport pin in the brackets located on the back of the pedestal. Use a lifting device attached to the two lifting shackles attached to lugs on top of the support arm when lifting the iron roughneck. National Oilwell Varco recommends using a double chain sling with master link when lifting the iron roughneck.

When lifting the iron roughneck, always use the lifting lugs and shackles provided. No other part of the iron roughneck is rated for, nor intended to support the full weight of the iron roughneck (7,420 lbs.)

The ST-80C has a transportation skid that can be used to hoist the iron roughneck through the V-door onto the drill floor, where the ST-80C will be installed in the floor socket.

Always ensure hoisting operations are conducted safely to avoid equipment damage and/or personal injury.

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Installation

Installation Lifting the Iron Roughneck Pedestal In full down position

Transport Frame

Lifting Shackles Unit Weight 7,420 lbs.

Transport Pin Install in stored position for operation.

Rear View of Support Column

Transport Pin Installed in transport position Jackscrew Both sides

Lock Pin 2 places

Socket Flange and Base Assembly

Hairpin 2 places

Floor Socket Figure 3-7. Lifting the Iron Roughneck

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Installation

Installation Removing Transport Frame and Skid

Lifting Shakles

Remove Transport Frame and Skid 1. Pull out hairpins from the lock pins. Pins are located on the left side of the carriage when viewing the roughneck from the front. 2. Pull out lock pins (3 places). 3. Hoist the transport frame up and out of the hole in the top of the pedestal assembly. 4. Use lifting equipment and hoisting shackles to safely move the roughneck to the required location.

Transport Frame Hairpin

Lock Pins

Transport Skid

Figure 3-8. Transport Frame and Skid Removal

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Installation

Installation Iron Roughneck Installation For detailed information on installing the iron roughneck, refer to the Technical Drawing Package for ST-80C iron roughneck assembly. 1. With the iron roughneck positioned over the rig floor, remove the transport frame and shipping pin. Refer to Chapter 3, Lifting the Iron Roughneck. 2. Align the bottom of the pedestal with the floor socket collar and insert the collar pins (2 places.) Refer to Figure 3-9. 3. Disengage lifting device and remove lifting link and turnbuckle from lugs. 4. Remove the shipping/parking lock pins and place them in the pin storage position.

Ensure the pedestal is level and perpendicular to the floor socket collar.

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Installation

3

Installation Iron Roughneck Installation

Ensure the pedestal is level and perpendicular to the floor socket collar.

Hydraulic Connection

Shipping Pin Collar Pins Drill Floor

60,000 ft.-lb. Max. (72,000 ft.-lb. Max. with extender)

Typical as required

8,000 lb. Max. Figure 3-9. Floor Socket Installation and Loading

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Installation

Installation Installing the Control Console The control console attaches to either the front left or right of the iron roughneck carriage. Refer to the ST-80CTechnical Drawing Package for detailed drawings. The ST-80C controls can be mounted on either side of the carriage. The orientation of the controls can be adjusted to accommodate the best operating angle. The controls can be changed from one side of the ST-80C to the other side using the following procedures.

Positioning the Control Console Moving the control console 1. Remove the haipins from the top and bottom of the control console. 2. Remove the screws and lock washers from the top and underside of the carriage assembly. 3. Lift the control console (100 lbs.) from the pin, and give some slack to the cable-tree. 4. Unhook the cable-tree and hook it on the other side of the ST-80C carriage. 5. Lift the control console onto the support pin on the other side of the ST-80C carriage. 6. Orient the control console to achieve the proper working angle and replace the screw, lock washer, and hairpin. For console operating instructions, refer to Chapter 4, Operating the ST-80C.

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Installation

3

Installation Installing the Control Console

Position Range 64°

R 19°

Control Console (Right Side Installation)

Control Console (Left Side Installation)

Figure 3-10. Installing the Control Console

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Installation

Installation Installing the Service Loops Refer to the following ST-80C hydraulic system configurations: R

Customer System Configuration

R

NOV System Configuration

1. Check that all circuit breakers at the Hydraulic Power Unit (HPU) are OFF.

All equipment should be shut down, isolated and tagged "OUT OF SERVICE" before any maintenance procedure is performed. Any unexpected start-up of equipment during operation can cause serious injury or death to personnel and / or damage to the equipment.

2. Locate the hydraulic service loops. Connect the hydraulic supply and return hose from the HPU to the iron roughneck.

Exercise extreme caution when performing maintenance on the hydraulic system. Fluid escaping under pressure can cause serious injury or death to personnel and / or damage to equipment.

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Installation

3

Installation Installing the Hydraulic Power Unit (HPU) Refer to the Hydraulic Schematic included in the ST-80C Technical Drawing Package for details. 1. Locate the HPU and isolate incoming power OFF.

All equipment should be shut down, isolated and tagged "Out of Service" before any maintenance procedure is performed. Any unexpected start-up of equipment during operation can cause serious injury or death to personnel and/or damage to the equipment.

i Before connecting and/or disconnecting hydraulic connection fittings, the installation in the vicinity is to be cleaned, and all openings closed by caps to ensure that dirt cannot enter the system.

Exercise extreme caution when performing maintenance on the hydraulic system. Fluid escaping under pressure can cause serious injury or death to personnel and/or damage to the equipment.

2. Fill all hydraulic systems to the correct levels with specified hydraulic fluids. For hydraulic fluid specifications, refer to Chapter 5, Lubricant Specifications. 3. Locate the HPU service loops. Connect the hydraulic supply and return from the HPU to the iron roughneck.

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Installation

Installation Hoist/Lower Kit The ST-80C Tall model includes a hoist/lower kit. The hoist/lower valve enables the operator to move the iron roughneck between the parked/stored and operating positions. Refer to Chapter 4, Hoist/Lower Kit.

Whenever hoisting or lowering the iron roughneck, ensure all personel and equipment are clear of the operating area. Failure to follow this warning may result in injury to personnel or damage to equipment.

Valve Guard

ST-80C Iron Roughneck Tall Model Directional Valve

Directional Valve Handle

Figure 3-11. Hoist/Lower Kit (ST-80C Tall Model)

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Installation

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Installation

Checkout Procedure Iron Roughneck Installation Checkout Procedure R

Ensure that the iron roughneck is fully inserted in the socket and column is vertically aligned.

R

Grease all iron roughneck grease points.

R

Check that all service loop hydraulic lines are connected.

R

Make sure all hose quick disconnects (QD) are properly engaged.

HPU Installation Checkout Procedure R

Check the HPU hydraulic service loop. Ensure the hydraulic hoses are properly secured and free from snag hazards, leaks, and crimping.

R

Check the hose quick-disconnect coupling connection between the HPU and the iron roughneck to ensure that coupling connections are tightened.

R

Check the fluid level in HPU.

R

Ensure the hydraulic filter, which is located in the rear of the pedestal, is in proper condition.

Controls Installation Checkout Procedure R

Check the HPU hydraulic service loop. Connect the hydraulic supply (1 hose) and return (1 hose) from the HPU to the iron roughneck.

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Installation

3

Storing the Iron Roughneck R

Palletize the iron roughneck for indoor storage. A cargo container is appropriate for indoor or outdoor storage.

R

Avoid wide temperature and humidity variations. The ideal environment for storing the iron roughneck is clean and dry with an ambient temperature of 60° F (16° C). If high humidity cannot be avoided, National Oilwell Varco recommends storing the iron roughneck at 70° F (21° C).

R

All exposed, unpainted metal surfaces are coated with rust preventative at the factory prior to shipment. Coat all unpainted metal surfaces with rust preventative prior to storage or transport.

R

Cover all openings to prevent water or dust from entering. National Oilwell Varco does not recommend using silica or dehydrating agents.

R

When the iron roughneck is not being used for more than 3 months, perform the following maintenance: 1. Clean the iron roughneck. 2. Grease the iron roughneck as described in Chapter 5, Inspection and Lubrication.

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Installation

Transporting the Iron Roughneck When transporting the iron roughneck, ensure the unit remains vertical and is a stable. Always transport the iron roughneck with the transportation skid installed to increase stability.

Never position the iron roughneck on its side. Failure to heed this caution will cause damage to the equipment.

Attach tie-down straps to the two lifting shackles attached on the side of the iron roughneck frame. Additional straps can be attached to major structural components of the iron roughneck as required.

Never attach straps to, nor drape straps across the control assembly or side guards of the iron roughneck. These components are not designed nor intended to handle transport loads. Failure to heed this warning will result in damage the equipment, which will cause pinch points that may cause serious injure to personnel.

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Installation

3

Using an Iron Roughneck on Floating Vessels When operating an ST-80C on a floating vessel, high waves and wind cause the ST-80C to make sudden and unexpected movements. When high waves and wind occur, immediately stop operation, move the ST-80C to standby position, and tighten the base assembly jackscrews to prevent pedestal rotation. Refer to Chapter 4, Securing the ST-80C on a Floating Vessel.

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Installation


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4

Operating Instructions

Operating the ST-80C Checking System Pressure Procedure 1. Remove the cover plate to gain access to the main manifold. 2. Attach a pressure gage to test port LC on the main manifold. 3. Clamp the ST-80C using the clamp lever. It is not necessary to have a pipe in the jaws. Read the pressure on the gage, while holding the lever in the clamp position. The pressure should be 1,900-1,950 psi. 4. Remove the gage and replace the cover plates. Perform the following procedure when the system pressure is not between 1,900 and 1,950 psi. 1. Remove the tamper resistent cover from the PRV cartridge. 2. Follow steps 1 through 3 as described above. 3. One person needs to hold the clamp lever in the clamp position. 4. Another person adjusts hex socket on the PRV cartridge. (Clockwise to increase pressure, counterclockwise to decrease pressure.) 5. Remove gage and replace tamper resistant cover and cover plates.

Cartridge Adjustment Hex Socket Cover PRV Manifold

Test Port LC

Main Manifold Unclamp/Clamp Lever Figure 4-1. Checking System Pressure

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Operating the ST-80C Control Console The operation procedures in this chapter require the use of the control console.

BACK FWD

UP DOWN

TW SW


OUT IN

30171793-1 Rev B

Detail of Control Panel

Torque Gauge

TW SW Engages torque wrench or spinning wrench

BACK FWD Extend and retracts to or from well center or mousehole

BREAK MAKE Makes or breaks a connection

BACK FWD

UP DOWN

TW SW


OUT IN

30171793-1 revB

UP DOWN Adjusts the vertical height

OUT IN Spins in or out

UNCLAMP CLAMP Clamps and unclamps the wrench on a tubular

Push/Pull Cable Figure 4-2. Control Console

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4

Operating the ST-80C Hoist/Lower Kit The ST-80C Tall model includes a hoist/lower valve that enables the operator to move the iron roughneck between the parked/stored and operating positions. Procedure

1. Retract the ST-80C to the parked position: On the control panel, move the BACK FWD lever to the BACK position, 2. On the right side of the ST-80C, locate the hydraulic hoist /lower valve.

Whenever hoisting or lowering the iron roughneck, ensure all personnel and equipment are clear of the operating area. Failure to follow this warning may result in injury to personnel and/or damage to equipment.

Ensure that there is proper clearance for the ST-80C to be elevated to the stored position.

3. Raise the ST-80C to the parked (fully raised) position: Turn the hoist/lower directional valve handle counterclockwise. 4. When the ST-80C is fully raised, install the storage pin in the back of the pedestal. 5. To lower the ST-80C to the standby position: remove the storage pin and turn the directional valve handle clockwise.

Valve Guard

Left

Directional Valve

ST-80C Iron Roughneck (Tall Pedestal)

Directional Valve Handle Figure 4-3. Hoist/Lower Kit (ST-80C Tall)

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Operating the ST-80C Positioning ST-80C for Operation

! Use the control console levers to perform steps 2, 3, and 5 on this page.

Before operating the ST-80C for the first time, be sure to remove the transport pin and place it in its storage position.

The ST-80C requires adjustment whenever the connection or pipe diameter changes and requires periodic verification per step 5 of adjustment procedure.

Procedure 1. Push the extend/retract lever (on top of the carriage) to the fully retracted position. 2. On the control console, pull forward on the BACK/FWD handle forward to fully extend the ST-80C.

Connection Pin Extend/Retract Lever Bubble Level 2 places

3. Move the UP/DOWN handle to raise the ST-80C to position the top of the box above the lower dies and below the spin rollers.

Spin Rollers 4 places Special attention is necessary if hard banding is present. Do not grip on hard banding. Box Shoulder Range

4. Pull the Extend/Retract handle (on top of the carriage) to adjust the ST-80C until the base plate touches the connection diameter. Verify that the base plate is on the connection diameter and not on the taper or pipe. Adjust elevation as necessary, staying within the guidelines of step 3.

! Over extension will show contact with the base plate, but will tilt the wrench out of alignment. 5. Verify correct adjustment: Use the BACK/FWD handle to retract and extend ST-80C, a full stroke. Lightly swing the ST-80C by placing your left hand on top of controls guard, and your right hand on the front of lower left jaw body. Listen and feel for bumping contact against the connection and verify the bubble is within window.

Control Console

Base Plate Lower Dies 2 places Socket Flange Swivel Assembly

Connection Box

Figure 4-4. Positioning ST-80C

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4

Operating the ST-80C Making and Breaking Connections Making Connections 1

Use the control panel UNCLAMP/CLAMP lever, to clamp the jaws on the connection, then release the lever.

2

Hold the TW/SW lever in the SW position. Wait 1 second before torquing.

3

Spin the connection IN.

4

Hold the TW/SW lever in the TW position. Wait 1 second before torquing.

5

Hold the BREAK/MAKE lever in the MAKE position until the desired torque is achieved.

Left Right Right Hand Hand Hand 4 6 7

If the wrench does not reach the desired value in one stroke, repeat. 6

UNCLAMP the jaws.

7

Recycle the torque wrench to BREAK to prepare for the next connection.

If the wrench does not reach the desired value in one stroke, repeat.

Left Right Right Right Hand Hand Hand Hand 2 6 3 5

Breaking Connections Making Connections 1

Use the control panel UNCLAMP/CLAMP lever, to clamp the jaws on the connection, then release the lever.

2

Hold the TW/SW lever in the TW position. Wait 1 second before torquing.

3

Hold the BREAK/MAKE lever in the BREAK position until the connection is broken.

4

Hold the TW/SW lever in the SW position. Wait 1 second before spinning.

5

Spin the connection OUT.

6

UNCLAMP the jaws.

7

Recycle the torque wrench to MAKE to prepare for the next connection.

BACK FWD

UP DOWN

TW SW


5 3 2 1 Left Right Right Right Hand Hand Hand Hand

OUT IN

30171793-1 revB

Detail of Control Plaque

7 4 1 Left Right Right Hand Hand Hand

Control Panel Levers

Figure 4-5. Making and Breaking Connections

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Operating the ST-80C Adjusting the Makeup Torque

PRV Adjustment Knob

Zero Adjust located backside of torque gage

Reference Indicator (Red)

Torque Gage

Procedure 1. Back the adjustment knob of the pressure reducing valve (PRV) all the way out. 2. Verify the gage is adjusted to read zero.

Turning the PRV adjustment knob counter clockwise decreases torque. Turning the PRV adjustment knob clockwise increases the torque. 3. 4. 5. 6.

Cycle jaws to break and clamp onto a tubular. Spin the connection in. Torque the connection. While holding the torque handle, turn the PRV adjustment knob clockwise while watching the torque gage until the desired torque is achieved.

Pressure Indicator (Black)

National Oilwell Varco offers an additional gage kit that can be installed in the driller’s cabin (Remote Torque Gage kit, PN 30173445).

! If torque cylinders reach end of stroke, the gage reads zero. Recycle jaws and retorque. 7. Position the reference indicator (red needle) on the torque gage at the desired torque value. Figure 4-6. Adjusting Makeup Torque

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4

Operating the ST-80C Adjusting Torque Gage

! National Oilwell Varco offers an additional gage kit that can be installed in the driller’s cabin (Remote Torque Gage kit, (P/N 30173445).

DO NOT operate the TORQUE lever while zeroing the torque gage dial.

Procedure

!

Zero out the torque gage every time you start up the ST-80C, or when the torque setting has changed.

Return line pressure affects the gage reading.

See the Chapter 6, Troubleshooting for gage responsiveness setting.

Turn Handle to CLOSED position

1. Rotate the knob on the backside of the gage to zero out the torque gage dial. 2. Open the hydraulic shut-off valve handle to allow pressure to the system. 3. Rotate the small knob on the back of the gage so that it shows zero.

Torque Gage Adjustment Knob

Hydraulic Shut-off Valve Handle Shown in OPEN position

Control Console

Figure 4-7. Adjusting Torque Gage

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Operating the ST-80C Securing the ST-80C on a Floating Vessel When operating an ST-80C on a floating vessel, high waves and wind cause the ST-80C to make sudden and unexpected movements. Refer to procedures in Figure 4-8.

Procedure 1. Stop operation. 2. On the control panel, move the BACK/FWD lever to the BACK position: move the ST-80C to parked position. 3. Turn the base assembly jackscrews (2 places) clockwise until they tighten against the base plate to prevent pedestal rotation.

When ST-80C operation can proceed safely, turn the base assembly jackscrews (2 places) counterclockwise to allow pedestal rotation.

Jackscrew (2 places)

ST-80C Left Side, Parked Position (Cover Removed)

Figure 4-8. High Wind and Wave Precautions

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Maintenance

5

Lubricant Specifications Selecting A Lubricant Use the following two tables to select the appropriate lubricant for your specific application.

Recommended General Lubricants Ambient Temperature Range Below -20û C

Above -20û C

(Below -4û F)

(Above -4û F)

Manufacturer N/R

MP Grease

Avi-Motive W

Avi-Motive

Lidok EP1

Lidok EP2

Gulf Crown EP31

Gulf Crown EP32

Mobil

Mobilux EP1

Mobilux EP2

Shell

Alvania EP1

Alvania EP2

Statoil

Uniway EP1N

Uniway EP2N

Texaco

Multifak EP1

Multifak EP2

Castrol Chevron Exxon Gulf

Total

Multis EP1

Multis EP2

Union

Unoba EP1

Unoba EP2

1

2

Viscosity Index NGLI

Recommended Hydraulic Fluids Oil Temperature Range -15û to 75û C

-10û to 85û C

(5û to 167û F)

(14û to 185û F)

Hyspin AWS-32

Hyspin AWS-46

AW Hyd oil 32

AW Hyd oil 46

Nuto H32

Nuto H46

Manufacturer Castrol Chevron Exxon

Harmony 32AW

Harmony 46AW

Mobil

DTE 24

DTE 25

Shell

Tellus 32

Tellus 46

Statoil

Hydraway HMA 32

Hydraway HMA 46

Texaco

Gulf

Rando oil HD32

Rando oil HD46

Total

Azolla ZS 32

Azolla ZS 46

Union

Unax AW32

Unax AW46

32

46

Viscosity Index ISO Viscosity Grade

5-1 www.nov.com

5


Maintenance

Lubricant Specifications Selecting a Lubricant Recommended Gear Oil

Ambient Temperature Range -6û to 16û C

7û to 30û C

Above 21û C

(20û to 60û F)

(45û to 85û F)

(Above 70û F)

Castrol

Alpha LS-68

Alpha LS-150

Alpha LS-320

Chevron

NL Gear 68

NL Gear 150

NL Gear 320

Exxon

Spartan EP68

Spartan EP150

Spartan EP320

Gulf

EP Lube HD68

EP Lube HD150

EP Lube HD320

Mobil

MobilGear 626

MobilGear 629

MobilGear 632

Shell

Omala 68

Omala 150

Omala 320

Statoil

Loadway EP68

Loadway EP150

Loadway EP320

Texaco

Meropa 68

Meropa 150

Meropa 320

Manufacturer

Total

Carter EP 68

Carter EP 150

Carter EP 320

Union

Extra Duty NL2EP

Extra Duty NL4EP

Extra Duty NL6EP

2EP

4EP

6EP

68

150

320

Viscosity Index AGMA ISO Viscosity Grade

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Maintenance

5

Inspection and Lubrication Inspecting Hardware and Fittings Visually inspect the ST-80C for loose or missing hardware and fittings daily. Make sure all lock safety wire is undamaged and that the safety cable between the 3 guiding pins of the lower jaws is present. Check the inline pressure filter weekly. Replace as necessary if the indicator is red during operation. Inspect all hoses for wear or damage. Replace as necessary.

i All hoses are clearly labeled. Consult hose kit drawings for proper routing and hose specification and always label when replacing hoses on the ST-80C.

Lubricating the ST-80C The lubrication intervals described in this manual are based on lubricant supplier recommendations. Severe conditions such as extreme loads or temperature, corrosive atmosphere, etc., may require more frequent lubrication. Worn bushings, binding parts, rust accumulations, and other abnormal conditions indicate more frequent lubrication is necessary. Apply grease daily to all grease fittings as shown on the following page.

i When greasing the spinner assembly, watch for clean grease extruding from under the spinning wrench rollers. If it becomes difficult to inject grease and no grease extrudes from under the spinner rollers, the grease vent may be missing or clogged. This can jam the spinner rollers. Repair or replace as necessary.

Clean any grease which falls to the floor to prevent personal injury due to slipping.

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5


Maintenance

Inspection and Lubrication Daily

Arm Pins (12 places)

Each grease fitting is to be greased until clean grease is seen extruding from the related component.

Guide Pins Brush mating surfaces with grease

Grease Fitting (2 places)

Grease Grease Fitting Fitting (1 each side) (1 each side)



Grease Fitting (2 places) Grease Fitting


ST-80C Front

Grease Fittings

ST-80C Left Side (Cover Removed) Figure 5-1. Daily Lubrication

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5

Maintenance

Inspection and Lubrication Weekly

Grease Fitting

Grease Fitting

Grease Fitting

SOCKET FLANGE SWIVEL ASSEMBLY (PN 30172616)

Grease Fitting

Grease Fitting Grease Fitting

ST-80C Front

Grease Fitting

ST-80C Rear

Figure 5-2. Weekly Lubrication

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5


Maintenance

Inspection and Lubrication Monthly

Spinner Gearbox Check oil level

Procedure 1. Remove the fitting and view the oil level. 2. Oil level should be approximately 2-1/2 inches below the top surface of the top plate.

Figure 5-3. Monthly Lubrication

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5

Maintenance

Inspection and Lubrication 6 Months Changing Oil RH Spinner Assembly Manifold LH Spinner Assembly Manifold

Spinner Gearbox Fill Plug

Spinner Assembly Pivot Pin

Spinner Gearbox

Level Plug Fill Plug Typical each gearbox Drain Plug (On bottom of gearbox)


Procedure Change the oil in the ST-80C spinner gearbox every 6 months. 1. Disconnect the hydraulic hoses from the spinner assembly manifolds and cap fittings. 2. Remove the spinner assembly pivot pin. 3. Lift out the spinner assembly. 4. Remove the fill and level plug. 5. Drain the oil by removing the plug on the bottom of the gearboxes. (Gearboxes must be swung out.) Look for signs of debris or contamination. Report any unusual findings to your local National Oilwell Varco Service Center. 6. Replace the drain plug. 7. Fill the gearboxes with fresh oil through the fill port (approx. 0.5 gallons). For Lubricant information refer to Chapter 5 Maintenance, Lubricant Specifications. 8. Replace the fill and level plug. Figure 5-4. Changing Oil

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5


Maintenance

Inspection and Lubrication MPI Inspections

MPI inspect bore every two years for linear indications and repair as necessary. Disassembly is required. MPI inspect radius including overlap of one inch on top and bottom surfaces yearly for linear indications and repair as necessary. Disassembly is not required.

MPI inspect bore every two years for linear indications and repair as necessary. Disassembly is required.

Upper Right Hand Jaw Shown Inspection is Typical for Upper Right Hand Jaw, Lower Right Jaw, Upper Left Hand Jaw and Lower Left Jaw.

Figure 5-5. Inspect MPI

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Maintenance

5

Disassembly and Assembly Precautions

Transport hydraulic components to a clean, dust-free service area before disassembling for service.

Disassembly procedures are performed when replacing damaged components that are causing a tool function to fail. Whenever performing a disassembly, practice preventive maintenance by: R

Cleaning and inspecting all disassembled parts.

R

Replacing all worn and damaged parts before they can cause another failure.

R

Installing thread protectors on exposed threads.

Torque all fasteners to the limits given in DS 00008 (Design Specification Design Torque Standard) unless an alternative torque value is given in the procedure.

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5

Maintenance


Disassembly and Assembly Precautions

Release all hydraulic oil pressure before disconnecting hydraulic lines. Hydraulic oil under pressure can penetrate skin and cause serious injury. Before opening the hydraulic system, thoroughly clean the work area. Maintain system cleanliness by promptly capping all disconnected lines. Dirt is extremely harmful to hydraulic system components and can cause equipment failure and subsequent injury to personnel. Ensure all hydraulic lines are isolated and the ball valve is closed before any work is performed on the ST-80C. If air is introduced into the duplex extend cylinder, use extreme caution when extending the platform for the first time. As the load moves over center, the air will compress causing the support arm to extend rapidly. Support unit with tugger and stand to the side until air is purged.

5-10 www.nov.com


Maintenance

5

Disassembly and Assembly Changing Dies Procedure Replacing Upper Dies 1. Clean the area around the dies and remove the two screws holding each die and discard screws. 2. Remove worn die. 3. Clean the backing surfaces with wire brush, inspect and grease lightly. 4. Install new dies and screws, torque to 138-152 ft.-lb.

Carriage

Replacing Lower Dies 1. Remove all main socket head screw (2 per die carrier) and all set screws (4 per die carrier) from both die carriers. 2. Screw handtight 1 socket head screw in each of the 4 corners. 3. Advance each of the 4 socket head screws 1/2 turn at a time in an X pattern until die carrier comes free.

Caution the die can slip out of the die holder once its free of the housing. 4. Remove die and socket head screws from die carrier. 5. Discard the existing screws, set screws, and dies after disassembly. 6. Clean receiving pocket and die holder thoroughly, and liberally apply anti-seize to all mating surfaces before reinstalling them. 7. Install new dies in die carrier and slide die carrier back in pocket. 8. Install new screws and torque to 70-80 ft.-lb. 9. Install and tighten the jacking screws to prevent them from falling out (15-20 ft.-lb).

Upper Die (1 each side) Screw (2 each side) Die Holder (1 each side) Jacking Screw (4 each side) Screw (2 each side)

Lower Die (1 each side) Figure 5-6. Changing DIes

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5


Maintenance

Disassembly and Assembly Replacing Spin Rollers and Slide Rings


RH Spinner Assembly Manifold Lift Thread 1/2-UNC

Disassembly

Spinner Gearbox

1. Disconnect the hydraulic hoses from the spinner assembly manifolds and cap fittings. 2. Remove the spinner assembly pivot pin. 3. Lift out the spinner assembly and place it on a table. 4. Remove the socket head screw from the bottom of the lower assembly. 5. Remove the lower assembly. 6. Slide off rollers, remove keys and upper and lower slide rings.

Upper Slide Ring

Assembly

Key

1. 2. 3. 4.

Install upper slide rings with grooves. Ensure the shaft keys are in place and slide on new rollers. Install lower slide rings and replace the lower assembly. Replace socket head screw in bottom of lower assembly. Apply anti-seize to entire length and torque to 450-500 ft.-lb. 5. Reassemble the spinner assembly to upper jaws and install spinner assembly pivot pin. Apply anti-seize to the threads of the pin and torque to 350-400 ft.-lb. 6. Attach hydraulic hoses to spinner assembly manifold. 7. Operate the tool and verify SPIN-IN causes all rollers to turn CCW as viewed from above.

Roller

Lower Slide Ring Lower Assembly Socket Head Screw

Figure 5-7. Replace Spin Roller and Slide Rings

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5

Maintenance

Adjusting Torque Gage Responsiveness

IfIf the the torque torque gage gage is is not not responding responding or or is is too too sensitive, sensitive, adjust adjust the the needle needle valve valve on on the the torque torque gage gage until until the the gage gage reacts reacts with with the the desired desired response. response.

Jam Nut

Screw

Torque Gage

Procedure 1. Untighten the jam nut. 2. Clamp the jaws on the pipe and operate the lever for making up pipe. (The needle will show activity when pressure is building up.) 3. Rotate the screw with a screwdriver to change responsiveness (CW decreases speed). 4. If necessary repeat step 2 and 3 until the desired speed is acquired. 5. Tighten the jam nut.

Do not screw out set screw all the way. It will loose engagement with counterpart.

Figure 5-8. Adjust Torque Gage

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5


Maintenance


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Troubleshooting

6

Troubleshooting the ST-80C This section describes general troubleshooting methods and provides tables for troubleshooting specific problems or components.

Make sure all hydraulic lines are isolated and the ball valve is closed before any work is performed on the ST-80C.

Whenever hoisting or lowering or operating the iron roughneck, ensure all personnel and equipment are clear of the operating area. Failure to follow this warning may result in injury to personnel or damage to equipment.

When troubleshooting the ST-80C, make sure the hydraulic pressure is between 1,900 and 1,950 psi at the inlet of the manifold. Check the back pressure of the tank line (ensure the pressure does not exceed 30 psi). 1. Ensure that all hoses and QDs are properly connected. 2. Check manifold, fittings, QDs and hoses for leaks or damage. 3. Ensure the tool is lubricated per Chapter 5, Maintenance. The most important things to check after each rig move and before operating the ST-80C are: 1. Ensure that the ST-80C is fully inserted in the socket. 2. Ensure all QDs are fully engaged. 3. Ensure the operating pressures are correct. 4. Verify the condition of the filter. 5. Check all fittings for leaks. 6. Lubricate entire ST-80C and check the condition of the filter per Chapter 5, Maintenance.

6-1 www.nov.com

6


Troubleshooting

Troubleshooting the ST-80C Troubleshooting Tables Operating Mode Problems Symptom

Probable cause

Remedy

Tool runs slowly.

Hydraulic quick disconnect on supply or return lines not fully shouldered.

Tighten until fully shouldered.

Power unit not delivering full flow.

Check power supply flow while spin out valve is actuated. Flow should be 35 GPM minimum.

Power unit return line filter dirty.

Replace filter element of HPU.

Pressure filter dirty.

Replace filter element of ST80.

Torque pressure set too low.

Increase pressure setting.

Vertical Positioning Problems Symptom

Probably cause

Remedy

Vertical positioning assembly moves in one direction only or does not move at all.

Power supply not operating, or pressure too low.

Re-establish hydraulic power.

Lift cylinder damaged or dirty.

Clean or repair cylinder.

Binding of carriage in pedestal.

Lubricate or replace side rollers.

Push/Pull cable broken.

Replace cable.

Counterbalance valve out of adjustment.

Replace, or adjust counterbalance valve to maintain vertical position.

Lift cylinder leak.

Replace seals.

Does not maintain vertical position

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Troubleshooting

6

Troubleshooting the ST-80C Troubleshooting Tables Troubleshooting the Torque Wrench System

Probable cause

Remedy

Torque cylinders do not makeup.

Torque valve set too low.

Increase setting.

Torque valve or pressure reducing valve stuck closed, dirty, or damaged.

Check valves, clean or replace.

Torque cylinders already at end of stroke.

Recycle the upper jaw for next bite.

Torque setting damaged.

Check, clean, or replace.

Torque cylinders do not breakout.

Torque setting pressure reducing valve stuck closed, dirty or damaged.

Check valves, clean or replace.

Torque cylinders drift in makeup direction.

Sticking or worn main operating valve.

Disassemble valve, inspect for contamination or wear, and repair or replace.

Torque cylinders drift in breakout direction.

Excessive back pressure on return line.

Check for restriction in return line. Check hydraulic power supply. Check for other equipment using same tank line.

Sticking or worn main operating valve.

Disassemble valve, inspect for contamination or wear, and repair or replace.


Replace cable.

Dirty return filter in power supply.

Replace filter element.

Dirty inlet port or gage.

Clean inlet port or replace gage.

Dump valve stuck open (depressed, pressure does not build up) or set incorrectly.

Adjust full CW test if still no pressure reading, replace, readjust 1/4 turn from full CCW position.

Torque cylinders reached end of stroke and actuated dump valve.

Reset for additional stroke.

Gage damper closed.

Open damper located on top front of gage (rotate counterclockwise).

Gage not adjusted to zero.

Rotate zero adjust knob on back of gage case. Recheck torque setting.

Tank line pressure.

Check and correct.

Defective gage.

Replace.

Torque cylinder don’t move or move slowly.

Torque gage does not indicate pressure during makeup

Torque gage goes not return to zero.

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6


Troubleshooting

Troubleshooting the ST-80C Troubleshooting Tables Troubleshooting the Torque Wrench (cont’) System

Probable cause

Remedy

Jaws slip on tool joint.

Worn or broken dies.

Replace dies.

Hydraulic pressure too low.

Make sure the pressure at the manifold is set to 1,900-1,950 psi.

Upper torque wrench body lifts while cycling in makeup or breakout mode.

Interference between upper and lower body sets.

Check and remove interference.

Torque wrench clamp cylinders too slow or uneven.

Check valves on manifold contaminated or defective.

Clean, repair, or adjust valves.

Lack of lubrication.

Lube all grease fittings.


Replace cable.

Troubleshooting the Spinner Assembly Symptom

Probable cause

Remedy

Spinner assemblies do not clamp or unclamp and/or motors do not run.

Flow restricted.

Locate cause or restriction and correct.

Power supply defective.

Check power supply.


Replace cable.

Spinner assemblies or motor creep with valve in neutral position.

Leaking or sticky valve.

Return valve to center position manually. If problem persists, inspect valve spool for wear or contamination. Repair or replace.

Motor runs irregularly.

Contaminated motor.

Repair motor or replace.

Bent shaft.

Repair motor or replace.

Defective pivot.

Check hinge pins and bores and repair or replace as required.

Lack of lubrication.

Lube all grease fittings.

Defective piston/gland.

Repair or replace.

Restriction in hydraulic line.

Check for pinched, clogged, or otherwise obstructed hydraulic lines. Clear obstruction.

Spinner assemblies do not move in unison.

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Troubleshooting

6

Troubleshooting the ST80C Troubleshooting Tables Troubleshooting the Spinner Assembly (cont’) System

Probable cause

Remedy

Spin rollers do not turn with motor running, or have insufficient power.

Sheared drive roller key.

Replace key.

Nut that keeps bevel gear in place on motor shaft is backed off.

Remove motor, retighten nut and secure nut with lock tab.

Motor seal blown.

Replace motor seals. Check that motor drain lines are open to tank.

Flow restricted to motor.

Locate cause of restriction and correct.

Defective roller bearings.

Replace bearings.

Defective motor.

Repair motor.

Motor Drive shaft broken.

Replace Shaft.

Power supply not operating.

Check power supply pressure gage for indication. Ensure that supply pressure remains high with operating valve energized.

Restricted hydraulic lines.

Check for pinched, clogged, or otherwise obstructed hydraulic lines. Clear obstruction.

Worn cylinder seals.

Replace seals.

Spin rollers worn excessively.

Replace spin rollers.

Insufficient clamping pressure.

Check pressure at manifold set to 1,9001,950 psi. Check for leaks in clamping lines and replace as required. Replace and check relieving valves in manifold (CB8, CB9 and RV1).

Defective seal on spin clamp cylinder piston.

Replace seal.

Slippery connection.

Clean connection.

Spin rollers worn.

Replace spin rollers.


Replace cable.

Loss of power, torque.

Drill pipe or collars rub against spinner housing during spinning.

Spin rollers slip.

Spinner motor does not run.

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6

Troubleshooting



6-6 www.nov.com


Contact Information

7

National Oilwell Varco Contacts Americas

Europe

NOV Service (Houston) 12950 W. Little York Houston, Texas 77429 +1 713 856 4128

NOV Service and Repair (Aberdeen/Montrose) Forties Road Montrose Scotland DD10 9ET +44(0)1674 677 222

NOV Repair (Houston) 5900 Brittmoore Road Houston, Texas 77041 +1 281 847 9990

NOV Service (Kristiansand) Skibaasen 2 4636 Kristiansand - Norway +47 38 19 20 00

NOV Service and Repair (Houston) Facility Under Construction 5100 North Sam Houston Parkway West Houston, Texas

NOV Service (Stavanger) Lagerveien 8 4069 Stavanger - Norway +47 51 81 81 81

NOV Service and Repair (New Iberia, Hwy 90) 8404 West Hwy. 90 New Iberia, Louisiana 70560 +1 337 359 8000

NOV Service (Molde) Granfjaera 24 6415 Molde - Norway +47 71 20 20 20

NOV Service and Repair (Broussard) 1030 Cruise Avenue Broussard, Louisiana 70518 +1 337 837 3890

NOV Service (Asker) Blakstadmarka 26 1374 Asker - Norway +47 64 00 50 24

NOV Service and Repair (New Iberia, Sugar Mill) 150 Sugar Mill Road New Iberia, Louisiana 70560 +1 337 365 3423

NOV Repair (Stavanger) Dusavik Base Midtre Basevei 4 4029 Stavanger - Norway +47 51 83 56 00

NOV Service and Repair (Leduc/Edmonton) 6621 - 45 Street Leduc, Alberta, Canada T9E 7E3 +1 780 986 1712 NOV Service and Repair (Macaé) Av. Prefeito Aristeu Ferreira da Silva, 70 Macaé - RJ - RJ CEP 27930-070 +55 (22) 2773 5401

Asia NOV Service and Repair (Singapore) No. 9 Tuas Avenue 5 Singapore 639335 +65 6861 1566 Middle East NOV Service and Repair (Dubai) P.O. Box 61490 R/A No.13, Plot MO 0682 Daimler Chrysler Street Jebel Ali Free Zone Dubai, UAE +971 4 8838776

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7

Appendix



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3. SPAREPARTS LISTS






4. DRAWINGS


Technical Drawing Package ST-80C IRON ROUGHNECK

RIG/PLANT REFERENCE ADDITIONAL CODE

SDRL CODE

TOTAL PGS

REMARKS MAIN TAG NUMBER

DISCIPLINE

CLIENT PO NUMBER CLIENT DOCUMENT NUMBER

Client Document Number

30181800

REFERENCE DESCRIPTION

IRON ROUGHNECK

This document contains proprietary and confidential information which is the property of National Oilwell Varco, L.P., its affiliates or subsidiaries (all collectively referred to hereinafter as "NOV"). It is loaned for limited purposes only and remains the property of NOV. Reproduction, in whole or in part, or use of this design or distribution of this information to others is not permitted without the express written consent of NOV. This document is to be returned to NOV upon request or upon completion of the use for which it was loaned. This document and the information contained and represented herein is the copyrighted property of NOV. © National Oilwell Varco DOCUMENT NUMBER

D811000123-DOS-001

www.nov.com D811000461-GEN-001/01

National Oilwell Varco RIG SOLUTIONS 12950 West Little York Houston, TX 77041

REV

02

Document number Revision Page

D811000123-DOS-001 02 2

REVISION HISTORY

02

06.12.2007

Revised by Engineering

P. Solovyov

K. Schmidt

B. Winter

01

11.05.2007

First Issue

P. Solovyov

K. Schmidt

B. Winter

Rev

Date (dd.mm.yyyy)

Prepared

Checked

Approved

Reason for issue

CHANGE DESCRIPTION

Revision 01 02

Change Description First Issue 1. Insert content in Latest TDP Template: D811000461-GEN-001/01 2. Change Reference Number from 30179800 to 30171800. 3. Change Revision Number from 01 to 02. 4. Insert additional Wrench Assembly drawings. See lists: “Manifold Assembly” through “Lower Jaw Assembly.”

www.nov.com D811000461-GEN-001/01


D811000123-DOS-001 02 3

TECHNICAL DRAWING PACKAGE This document provides a list of drawings for the ST-80C: Short and Tall Column Models. The actual drawings are arranged in the binder, in numerical order.

Drawings by Assembly Short Column Drawing Description

Drawing Number

Top Assembly ....................................................................................................... 30181800 ST-80C Assembly ............................................................................................. 30179200 Socket Flange Assembly................................................................................... 30172616 Platform Assembly ......................................................................................... 30176064 Carriage Assembly......................................................................................... 30179883 Wrench Assembly ....................................................................................... 30174930 Manifold Assembly ............................................................................... 30154910-2 Upper Die Set Package ........................................................................... 30174222 Lower Die Set Package ........................................................................... 30172029 Die Holder Assembly ............................................................................... 30160384 LH Spin Wrench Assembly...................................................................... 30160387 LH Transmission Assembly.................................................................. 30160389 RH Spin Wrench Assembly ..................................................................... 30160390 RH Transmission Assembly ................................................................. 30160392 Clamp Cylinder Assembly ....................................................................... 30160444 SW Clamp Cylinder Assembly ................................................................ 30160658 LH Torque Cylinder Assembly................................................................. 30160684 RH Torque Cylinder Assembly ................................................................ 30160685 Upper Jaw Assembly............................................................................... 30174072 Lower Jaw Assembly............................................................................... 30174073 Control Valve Assembly.............................................................................. 30171621 Controls Assembly...................................................................................... 30180459 Hydraulic Schematic............................................................................................. 30179953 GA Drawing .......................................................................................................... 30176031

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D811000123-DOS-001 02 4

Drawings by Assembly Tall Column Drawing Description

Drawing Number

Top Assembly ....................................................................................................... 30181800 ST-80C Assembly ............................................................................................. 30179800 Socket Flange Assembly................................................................................... 30172616 Platform Assembly ......................................................................................... 30180452 Carriage Assembly......................................................................................... 30179883 Wrench Assembly ....................................................................................... 30174930 Manifold Assembly ............................................................................... 30154910-2 Upper Die Set Package ........................................................................... 30174222 Lower Die Set Package ........................................................................... 30172029 Die Holder Assembly ............................................................................... 30160384 LH Spin Wrench Assembly...................................................................... 30160387 LH Transmission Assembly.................................................................. 30160389 RH Spin Wrench Assembly ..................................................................... 30160390 RH Transmission Assembly ................................................................. 30160392 Clamp Cylinder Assembly ....................................................................... 30160444 SW Clamp Cylinder Assembly ................................................................ 30160658 LH Torque Cylinder Assembly................................................................. 30160684 RH Torque Cylinder Assembly ................................................................ 30160685 Upper Jaw Assembly............................................................................... 30174072 Lower Jaw Assembly............................................................................... 30174073 Control Valve Assembly.............................................................................. 30171621 Controls Assembly

............................................................................... 30180459

Hydraulic Schematic............................................................................................. 30179953 GA Drawing .......................................................................................................... 30176031

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D811000123-DOS-001 02 5

Drawings in Numerical Order Short Column Drawing Description

Drawing Number

Top Assembly ....................................................................................................... 30181800 Manifold Assembly ............................................................................................ 30154910-2 Die Holder Assembly ............................................................................................ 30160384 LH Spin Wrench Assembly................................................................................... 30160387 LH Transmission Assembly .................................................................................. 30160389 RH Spin Wrench Assembly .................................................................................. 30160390 RH Transmission Assembly ................................................................................. 30160392 Clamp Cylinder Assembly .................................................................................... 30160444 SW Clamp Cylinder Assembly.............................................................................. 30160658 LH Torque Cylinder Assembly.............................................................................. 30160684 RH Torque Cylinder Assembly ............................................................................. 30160685 Control Valve Assembly ....................................................................................... 30171621 Lower Die Set Package ........................................................................................ 30172029 Socket Flange Assembly ...................................................................................... 30172616 Upper Jaw Assembly............................................................................................ 30174072 Lower Jaw Assembly............................................................................................ 30174073 Upper Die Set Package ........................................................................................ 30174222 Wrench Assembly................................................................................................. 30174930 GA Drawing .......................................................................................................... 30176031 Platform Assembly................................................................................................ 30176064 ST-80C Assembly................................................................................................. 30179200 Carriage Assembly ............................................................................................... 30179883 Hydraulic Schematic............................................................................................. 30179953 Controls Assembly

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......................................................................................... 30180459


D811000123-DOS-001 02 6

Drawings in Numerical Order Tall Column Drawing Description

Drawing Number

Top Assembly ....................................................................................................... 30181800 Manifold Assembly ............................................................................................ 30154910-2 Die Holder Assembly ............................................................................................ 30160384 LH Spin Wrench Assembly................................................................................... 30160387 LH Transmission Assembly .................................................................................. 30160389 RH Spin Wrench Assembly .................................................................................. 30160390 RH Transmission Assembly ................................................................................. 30160392 Clamp Cylinder Assembly .................................................................................... 30160444 SW Clamp Cylinder Assembly.............................................................................. 30160658 LH Torque Cylinder Assembly.............................................................................. 30160684 RH Torque Cylinder Assembly ............................................................................. 30160685 Control Valve Assembly ....................................................................................... 30171621 ST-80C Assembly................................................................................................. 30171800 Lower Die Set Package ........................................................................................ 30172029 Socket Flange Assembly ...................................................................................... 30172616 Upper Jaw Assembly............................................................................................ 30174072 Lower Jaw Assembly............................................................................................ 30174073 Upper Die Set Package ........................................................................................ 30174222 Wrench Assembly................................................................................................. 30174930 GA Drawing .......................................................................................................... 30176031 Carriage Assembly ............................................................................................... 30179883 Hydraulic Schematic............................................................................................. 30179953 Platform Assembly................................................................................................ 30180452 Controls Assembly

......................................................................................... 30180459

www.nov.com D811000461-GEN-001/01

Iron Roughneck ST-80C

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