BVH2123gb

MULTIDOS ® MTD-E, M and H Instructions Manual

BV-H2123GB

Service Quality and reliability form the basis for Schenck’s corporate philosophy all over the world. That’s why we offer you an extensive service strategy starting with our stringent quality control through assembly and commissioning right down to all-round support. We’re always there for you. Free Helpdesk (Monday through Friday from at least 8 o’clock to 5 p.m. CET) Service specialists are available to you in every department during our normal office hours for analying problems and malfunctions. Heavy Industry Vibrating & Screening Technology Building materials, mining, foundry, T +49 61 51 - 32 35 25 steel and cement F +49 61 51 - 32 30 96 T +49 61 51 - 32 31 38 [email protected] F +49 61 51 - 32 32 70 [email protected] Light Industry Chemistry, plastics, foodstuffs and pharmaceuticals T +49 61 51 - 32 25 71 F +49 61 51 - 32 26 68 [email protected] Transport Automation All industries with logistics processes and trains T +49 61 51 - 32 24 48 F +49 61 51 - 32 13 69 [email protected] Spare Parts & Components T +49 61 51 - 32 17 58 F +49 61 51 - 32 36 32 [email protected] [email protected] Individual phone consulting (fee required) (Monday through Friday from at least 8 o’clock to 5 p.m. CET) Do you want one of our service specialists to give you phone support in commissioning your system or on-line diagnosis / system optimisation? We’re there for you. Schedule an appointment with us whenever you need it. Free 24 h Customer Service Hotline 24h Emergency-Hotline:

+49 172 – 650 17 00

Transport Automation and Static Weighing Equipment

+49 171 – 225 11 95

Heavy Industry, Light Industry excluding Static Weighing Equipment

Copyright 2007 Schenck Process Pallaswiesenstraße 100, 64293 Darmstadt, Germany www.schenckprocess.com All rights reserved. Any reproduction of this documentation, regardless of method, without prior permission by Schenck Process in writing, even by excerpt, is prohibited. Subject to change without prior notice.

Note: Translation of the original instructions

CONTENTS 1.

Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1. 1.2. 1.3. 1.4. 1.5. 1.6. 1.7. 1.8. 1.9. 1.10. 1.11. 1.12.

Using the Feeder For Its Intended Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Different Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Residual Risks / Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Workmen’s Qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Operators’ Qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety Information for the User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safe Operating Environment for the MULTIDOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Work on Electrical Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Design Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Maintenance and Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 MULTIDOS H Belt Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Changing and Tensioning Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.

MULTIDOS Brief Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1. 2.2. 2.3. 2.4.

Basic Variant and Extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Basic Variant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Operating Principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Safe Work Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.

Mounting Mechanical Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1. 3.2. 3.3. 3.3.1. 3.4. 3.5.

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Unpacking Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Checking Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Torque and Floor Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Sizing Site and Clearance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Mounting Feeder at Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.

Mounting Electrical Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.

Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.1. 5.2. 5.3.

Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Setting Material Bed Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.

Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1.

Initial Filling / Refilling After Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7.

Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.1. 7.1.1. 7.1.2. 7.2. 7.2.1. 7.2.2. 7.3.

Changing Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Changing Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Aligning and Pretensioning Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Belt Tensioning and Belt Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Tensioning Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Tracking Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Changing Motor and Reducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

8.

Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

MTD-E, M and H Instructions Manual © Schenck Process

BV-H2123 GB / 0738

I1

9.

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

9.1. 9.1.1. 9.2.

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Lubricating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

10.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

11.

Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

11.1. 11.1.1. 11.1.2. 11.1.3. 11.1.4. 11.2. 11.2.1.

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 MULTIDOS MTD-E Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 MULTIDOS MTD-M Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 MULTIDOS MTD-H Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 MULTIDOS MTD-E and M Feed Rate, Belt Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Tools List / Torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Torques for fixing elements of quality 8.8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

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1.1.Using the Feeder For Its Intended Purpose

1.

Safety Information

1.1. Using the Feeder For Its Intended Purpose n

Your MULTIDOS weighfeeder is designed for measuring and feeding of bulk solids.

n

When commissioning your MULTIDOS weighfeeder for the material specified in your order, pay heed to the instructions given in relevant service and weighing electronics manuals as well as to the technical data given in system documentation.

n

The MULTIDOS weighfeeder is not set-up to handle materials other than those indicated in your order.

n

If your MULTIDOS weighfeeder is a component of a larger system or process, always ascertain before commissioning that no danger can arise from upstream plant components, e.g. overfill of MULTIDOS or downstream equipment.

n

Constructional changes to the MULTIDOS weighfeeder which have the potential to affect safety must not be performed without the approval of Schenck Process GmbH (hereafter called SCHENCK). This also applies to installation and setting of safety devices as well as to welding work on carrying parts.

n

Spare parts have to meet the technical data specified by SCHENCK. Therefore, only genuine SCHENCK spare parts should be used.

1.2. Different Series This manual applies to weighfeeders of the MULTIDOS MTD-E, M and H series. Please refer to the order-specific documents in your binder to find out about the series supplied to you. The differences between the two series are indicated in the relevant chapters of the manual.


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1.3.Residual Risks / Hints

1.3. Residual Risks / Hints Residual risks cannot be excluded if system is improperly installed, commissioned or operated by inexperienced personnel. In this manual, you will know residual risks by the following symbols:

Danger: The presence of this symbol indicates that the operation, procedure or item being described has the potential to cause severe injury. Follow all safety instructions to prevent this from occurring.

Warning: The presence of this symbol indicates that the procedure or item being described may cause damage to the machine or its components. Follow all safety instructions to prevent this from occurring.

Note: The presence of this symbol indicates a precaution to be taken during an operation or procedure. It may also point out helpful hints to make an operation easier to complete.

Arrow Pointer in Figures The presence of this symbol in figures points to parts mentioned in text.

1.4. Workmen’s Qualification n n n n

2

Only trained, instructed and authorized workmen may perform the work described in service manuals. Workmen must be familiar with fitting work and safetyconscious handling of parts on crane. Work on measuring system has to be performed only be skilled measuring and control engineers. Workmen are required to know and heed local safety regulations and accident prevention rules.

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1.5.Operators’ Qualification

1.5. Operators’ Qualification n

Only skilled and authorized personnel may operate the MULTIDOS weighfeeder in accordance with the instructions given in this manual.

n

The MULTIDOS weighfeeder being interlinked with a plant, the user is bound to complete service manual by additional hints and to make these available to the operators.

n

Operators have to know and heed all in-plant safety regulations and accident prevention rules.

1.6. Safety Information for the User


n

Responsible persons are required to be aware of safety information given in this manual as well of the safety-relevant items of system operation. They have to ensure that the operators pay heed to all safety instructions.

n

Before commissioning, responsible persons are required to check if the operation of the MULTIDOS weighfeeder has the potential to cause residual risks in conjunction with other plant components. If need be, additional safety hints have to be formulated. So as to prevent residual risks from occurring, the user of the MULTIDOS weighfeeder has to issue in-plant instructions and have their receipt confirmed by the operators. The user is required to clearly define responsibilities regarding the operation of the MULTIDOS weighfeeder in order to avoid uncertainties in the lines of responsiblity where safety is concerned.

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1.7.Safe Operating Environment for the MULTIDOS

1.7. Safe Operating Environment for the MULTIDOS Weighfeeder A safe work environment is possible only if the MULTIDOS weighfeeder is totally enclosed and used for its intended purpose as described at Item 1.1. As a rule, to ensure a safe work environment and proper operation, the safety guidelines below have to be observed in all cases. n n

n

Protect feeder from overfill. While MULTIDOS weighfeeder is operating, the clearance around the feeder may be accessed only by workmen authorized to perform the work described in this manual. Walking and climbing on MULTIDOS weighfeeder during operation is not allowed.

SAFETY INSTRUCTIONS: n Before opening MULTIDOS weighfeeder, separate all electrical connections from power supply. n Set switch to OFF postion. n Lock switch in OFF position. n Never unlock power switch before all guards have been closed.

1.8. Work on Electrical Equipment DANGER: There is danger to life. Therefore work on electrical equipment may be performed only by skilled electricians.

Damaged / faulty electrical components and installations DANGER: There is danger to life. Therefore damaged electrical components must be replaced and/or repaired immediately by skilled electricians.

1.9. Design Hints The device configurations shown and described hereafter are sample solutions. For your system, the dimensioned drawings and design documention supplied with your order apply.

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1.10.Maintenance and Repair

1.10. Maintenance and Repair Maintenance and repair work on the MULTIDOS weighfeeder not described in this manual may exclusively be performed by SCHENCK engineers or personnel authorized by SCHENCK. CAUTION WITH WELDING WORK!! n To perform welding work, and in order to protect the load cell, connect the minus pole direct to the point of welding. n Welding on safety-relevant or carrying parts may be performed only with the approval of SCHENCK.

1.11. MULTIDOS H Belt Change n

n

CAUTION: To avoid damages caused by bending deformation on frame, always exchange the belt on MULTIDOS H using an auxiliary device. Use the genuine SCHENCK auxiliary, or produce a device of your own suited to avoid inadmissible bending deformation on MULTIDOS H upon belt change.

1.12. Changing and Tensioning Belt


n

The belt is so heavy that it should be changed by two persons.

n

Completely assemble MULTIDOS before tensioning the belt.

n

Tensioning of belt with MULTIDOS running should also be performed by two persons, so that someone is available to immediately stop MULTIDOS locally if any issues occur.

n

With running MULTIDOS, the belt may be tensioned only with the use an extended socket wrench so that sufficient space to the running idler is given. Belt tensioning with running MULTIDOS has the potential to cause injuries, so always make sure no further persons are nearby.

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2.1.Basic Variant and Extensions

2.

MULTIDOS Brief Description

2.1. Basic Variant and Extensions The weighfeeder basic variant (1) can be completed by the following components: n

Side guard with rear guard (2)

n

Hopper for connection to silo (Silo) (3)

n

Belt cover (4)

n

Discharge hood with inspection hole. The inspection hole can also be used for connection of a dust collection system (5).

Fig.1 : Basic Variant and Extensions

6

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2.2.Basic Variant

2.2. Basic Variant In addition to the carrying frame supporting carrying idlers, head and tail pulleys, the weighfeeder basic variant comprises the following basic components: n

Conveyor belt (A)

n

Weighing range (B)

n

Drive (C)

n

Weighing electronics (D)

n

Skirt boards (E)

Fig.2 : MULTIDOS Basic Variant


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2.3.Operating Principle

2.3. Operating Principle The MULTIDOS system is designed as speed-controlled weighfeeder for continuous feeding of bulk solids. Material is extracted directly from the hopper arranged over the silo. A material bed depth mechanism often part of the user *s plant ensures an almost constant volumetric belt load.

Fig.3 : Material Infeed

Continuous belt load acquisition enables a continuous mass flow to be achieved through control of belt speed. Belt load is acquired with the use of a compact weighing module (weighing range) which transfers the measurement results to the connected weighing electronics.

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2.4.Safe Work Environment

2.4. Safe Work Environment If the material requires certain measures to be taken with respect to a safe operating environment or in the interest of environmental protection, the MULTIDOS weighfeeder can be designed for enclosed operation with the use of the following components (s. page 6 ). – – –


Discharge hood with dust collection connection (inspection hole) Belt cover Rear and side guards.

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3.1.Overview

3.

Mounting Mechanical Equipment

3.1. Overview Your MULTIDOS weighfeeder comes ready to be mounted. No welding work is required. Follow these steps: n Unpack equipment and check for completeness. n Check site. n Mount feeder at installation site. n Mechanically mount user connections.

3.2. Unpacking Instructions Remove items supplied from carton and check for complete count using delivery note. Dispose of packaging material in accordance with local regulations.

3.3. Checking Site Prerequisites:

10

n

Mount MULTIDOS weighfeeder on a separate platform.

n

Ensure that platform is free from vibrations, e.g. caused by dynamic or service loads (e.g. rotary machine).

n

Admissible owering of site is ≤ 0.5 mm (e.g. caused by changing loads in building).

n

Admissible static feeder inclination is ≤ 2 mm over the entire machine length.

n

Allow adequate clearance around feeder for mounting and servicing. In normal mode, protect clearance from unauthorized access on all sides.

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3.4.Sizing Site and Clearance

3.3.1. Torque and Floor Conditions Strictly observe the instructions concerning floor conditions and fixing elements. If the belt is changed without auxiliary device (possible only with MULTIDOS MTD-E, M), the bottom fixation must protect the weighfeeder from overbalancing – Ensure that the bottom is pressure-proof to 20 N/mm2. For anchorage, use the following bolts: (Please also observe the data given in planning-in drawings).

Screws Torque (Nm) Mounting pretensioning force (N)

MULTIDOS MTD-E, M M12 8.8 80 40 000

MULTIDOS H M 20 8.8 390 121000

Table 1: Torque for Bottom Fixing Screws

3.4. Sizing Site and Clearance For mounting dimensions, see installation drawing supplied with your order. Allow clearance around feeder platform as shown in drawing.

3.5. Mounting Feeder at Site Always mount feeder using a crane with spreader beam. Warning: For feeder to be evenly lifted, always use all four eye hooks or a cross-member. To mount feeder on user platform, follow these steps: n

–


Hook on crane hooks. Hook crane hooks onto the four eyes. For weight, please see dimensioned drawing supplied with your order.

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3.5.Mounting Feeder at Site Mount MULTIDOS weighfeeder on platform. Lift feeder with crane and place onto platform (at creep speed). Check feeder for spirit level accuracy. – Hook off crane hooks. n

–

n

Mount user connections (hopper, dust collector, etc.).

Mounting of mechanical items is complete.

4.

Mounting Electrical Equipment DANGER. There is danger to life! Therefore, work on electrical equipment may exclusively be performed by skilled electricians. Electrical wiring is done via terminal box. Perform electrical wiring in accordance with – –

standard circuit diagrams order-specific circuit diagrams supplied with your order.

Take these steps: – Connect grounding path. – Connect motor and reducer. – Connect load cells. – Connect weighing electronics. Warning: Carefully seal cable screwed connections, dummy plugs and housing cover to maintain protection to IP65.

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5.1.Prerequisites

5.

Commissioning

5.1. Prerequisites Before commissioning system, check to see that n

steps of “Mounting Mechanical Equipment” have been followed correctly

n

steps of “Mounting Electrical Equipment” have been followed correctly

n

MULTIDOS weighfeeder control has been configured for the application. Configure control system as described in Weighing Electronics Service Manual and Technical Data given in Technical System documentation.

n

user control of material inlet and outlet is designed such that material overflow is ruled out.

5.2. Overview For commissioning, follow these steps: Motor and reducer Exchange motor and reducer screw caps. Replace the two motor and reducer screw caps by vent screws located in terminal box. For details, see motor and reducer documentation. – Check motor and reducer for sufficient oil level. For details, see motor and reducer documentation. n

–

n


Setting Material Bed Depth

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5.3.Setting Material Bed Depth

5.3. Setting Material Bed Depth Use slide gate to set material bed depth and bed depth cross-section. Note: As the application may be, system is equipped with slide gate or not. (No slide gate is required, if prefeeder is directly controlled by the weighfeeder.)

Settings Aims Upon commissioning, bed depth cross-section has to be optimized with the aim to n come to load cell rated capacity as near as possible (see order-specific Spec Sheet) n set bed depth cross-section as optimally as possible, however, never too high. – Bed depth cross-section: a Too low b Optimal c Too high

S

a

b

c

< vh212303.cdr >

Fig.4 Material Cross-Section

Optimization Steps n

Set slide gate to lowermost position. Load belt with material in in compact weighing module area in local mode. (For weighing range, see p. 7).

n

If compact weighing module rated capacity is not reached yet and bed depth cross-section is still too small, move slide gate upward and check again to see if q compact weighing module rated capacity is reached q bed depth cross-section is optimal. If none of the two objectives is reached, repeat last step until one of the two prerequisites is given.

n

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5.3.Setting Material Bed Depth

Setting Slide Gate Danger: Slide gate may be adjusted only if all electrical connections of your MULTIDOS weighfeeder have been disconnected from power supply since operator has to step on machine for adjustment. Stepping on MULTIDOS weighfeeder during operation is prohbited. Running weighfeeder has the potential to cause severe injury or death. Follow these steps: n Disconnect all electrical connections of your MULTIDOS weighfeeder from power supply. n Adjust slide gate nuts until slide gate is in correct position. n Secure nut with counter nut. n Start MULTIDOS weighfeeder and determine load and bed depth cross-section in local mode (see Fig. 5 ).

Fig.5 : Bed Depth, Slide Gate Setting


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6.1.Initial Filling / Refilling After Clearance

6.

Control Normal Mode In normal mode, MULTIDOS weighfeeder is controlled via external control panel, or weighing electronics. For operation outside of normal mode, “Local Mode” is available which enables feeder to be controlled from control panel or local control box.

6.1. Initial Filling / Refilling After Clearance WARNING: Upon initial filling, or refilling, after complete discharge, the drop height of the material damages the conveyor belt. Always take appropriate measures to protect the conveyor belt from damage. Install, for instance – a gate between MULTIDOS feed hopper and overhead material buffer, or – a chute carefully transporting the material onto the MULTIDOS conveyor belt.

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6.1.Initial Filling / Refilling After Clearance

7.

Servicing Danger: Before performing any service work, particularly before removing guards, disconnect all electrical connections of your MULTIDOS weighfeeder from power supply Ensure that machine is protected from inadvertent restart during servicing. Running weighfeeder has the potential to cause severe injury or death. Have the following servicing work performed by skilled workmen only. n Replacement of idlers. n Replacement of compact weighing module integrated into weighfeeder frame (see Manual FH 5400). n Replacement of the motor and reducer. Other servicing work may be performed only by SCHENCK engineers or authorized representatives.


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7.1.Changing Belt

7.1. Changing Belt When performing work on your weighfeeder, pay heed to the safety hints given in Chapter 2 . Belt has to be changed whenever normal wear adversely affects proper operation or belt has been damaged by misuse (e.g slip, breakage). The belt is typically changed on the side opposite the motor. If local situation requires belt to be changed at the motor side, remove motor first. Proceed as described in Item 7.3. If the weighfeeder is equipped with additional components, e.g. belt cover (see p. 6), remove these. Take these steps: n

Belt cover:

–

Lift down the conveyor route cover (its weight will hold it down and is only connected to the skirt boards in certain cases).

Fig.6 : Belt Cover

18

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7.1.Changing Belt Remove rear guard. Remove feed hopper, if any, by removing all screws connecting feed hopper with residual weighfeeder components. – Remove all screws connecting rear guard with weighfeeder frame. n

Fig.7 : Rear Guard and Feed Hopper


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Servicing

7.1. Changing Belt n

Removing discharge hood.

–

Press protective caps out of mounting holes on either side.

–

Remove all screws connecting discharge hood with skirt boards and weighfeeder carrying frame.

Fig.8 : Discharge Hood, Removing Screws

20

BV-H 2123 GB / 0738


7.1.Changing Belt n

–

Removing discharge hood: Have discharge hood extracted from weighfeeder frame by two persons.

Fig.9 : Extracting Discharge Hood From Frame


BV-H 2123 GB / 0738

21

7.1.Changing Belt n

Removing side cover and side guards :

–

Open side cover by turning the clamping levers and remove side guard.

–

Unscrew the small side plate.

–

Unscrew the lower side guard.

Fig.10 : MULTIDOS Side Guards

22

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7.1.Changing Belt n

Protecting weighing platform:

To protect weighing system from damage, secure weighing platform as follows: –

Tighten the screws below on either side of MULTIDOS. They also serve as compact weighing module transit restraint.

Fig.11 : Securing Weighing Platform


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23

7.1.Changing Belt n

Secure belt and drum scrapers (plough scrapers) on material infeed side.

Securing MULTIDOS MTD-E and M plough scraper –

Secure scraper on both sides of the material infeed by screwing the depicted screw in place.

Fig.12 : Secured - Plough Scraper on Material Infeed Side

Fig.13: Unsecured - Plough Scraper on Material Infeed Side

24

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7.1.Changing Belt

Securing MULTIDOS H plough scraper –

Secure scraper on both sides of the material infeed by screwing the depicted screw in place.

Fig.14: Secured - Plough Scraper on Material Infeed Side

Fig. 15: Unsecured - Plough Scraper on Material Infeed Side

n


Securing belt tensioning and tracking station:

BV-H 2123 GB / 0738

25

7.1.Changing Belt

With MULTIDOS MTD-E and M –

Open inspection covers on MULTIDOS M side walls.

Fig. 16: Inspection Covers in Side Walls

Never remove the screw (A) as it serves as a tipping and fall arrester for the belt clamping and guiding unit. (The bottom screw is protected from removal when it leaves our factory). – – –

The components are freely accessible on the MULTIDOS-E (Fig. 16, 18). In the (optional) covered model the casing must first be removed. The screw (A) is not present on the MULTIDOS MTD-E.

Fig.17: Secured - Belt Tensioning and Tracking Station

26

Fig.18: Unsecured - Belt Tensioning and Tracking Station

BV-H 2123 GB / 0738


7.1.Changing Belt

With MULTIDOS H WARNING: In order to avoid damage from occurring, always check to see that retaining bolts are provided retreat of the inspection cover (see previous page). If present, secure the belt tensioning and tracking station as described on the previous page. If no retaining bolts are present, secure the MULTIDOS H belt tensioning and tracking station with the use of a catch.

Fig. 19: Catch with MULTIDOS H

Fig. 20: Inspection Cover with MULTIDOS H


BV-H 2123 GB / 0738

27

7.1.Changing Belt n

Removing skirt boards on either side:

Depending on weighfeeder size, skirt boards are of multi-sectional design. However, they are always divided in the MULTIDOS weighing area. To remove skirt boards, take these steps: – Dismount transit straps. – Remove side screws. (Also remove screws of discharge hood, if any).

Fig.21: Skirt Board Screws

–

Remove skirt boards.

Fig.22: Removing Skirt Boards

28

BV-H 2123 GB / 0738


7.1.Changing Belt n

Removing belt outside scraper on material discharge side:

Avoid injuries and damage. Upon dismounting, protect scraper from overbalancing. Observe the belt scraper item of the order-specific documentation included in the binder supplied.


BV-H 2123 GB / 0738

29

7.1.Changing Belt n

Releasing belt tension:

Make sure that – plough scraper on material feed side, – belt tensioning and tracking station, and – weighing module – are secured. To release belt tension, turn take-up screws – evenly on either side – Turn anticlockwise for the MULTIDOS MTD-E and clockwise for the MULTIDOS MTD-M and H until the clamping heads have reached the stop position.

Fig.23: Releasing Belt From Tension

If your MULTIDOS weighfeeder is equipped with guard, remove extension screw before changing belt (see p. 31).

30

BV-H 2123 GB / 0738


7.1.Changing Belt n

Dismount extension screws (MULTIDOS variant with guard).

Fig.24: Dismounting Extension Screw

Remove old belt by – cutting and extracting from weighfeeder – or extraction in tension-released state.


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31

7.1.Changing Belt

7.1.1. Changing Belt To avoid personnel injury and damage to the machine, please observe the following instructions. WARNING: When changing the belt of a MULTIDOS MTD-H, always use an auxiliary device to avoid personal injuries and protect the MULTIDOS MTD-H components from damage. If weighfeeder is level with the floor, use auxiliary device to change belt (see p. 37). When using the auxiliary device, pay heed to the instructions on the following pages. If this is not possible, change belt without using auxiliary device. See local prerequisites described at Item 3.3. n

32

Check the MULTIDOS anchorage on the side opposite the belt change. Check to see that screwings are tight and not damaged, so that weighfeeder cannot tilt during belt change through its dead weight (for details, see p. 11).

BV-H 2123 GB / 0738


7.1.Changing Belt n

Releasing support from tension:

–

If a crane is available, screw handling eyes in place and hook weighfeeder onto the eyes on the side of belt change.

–

If no crane is available, shim weighfeeder frame such that the supports on belt change side are released from tension, e.g. using a scissor lift.

Shim weighfeeder such that shims can easily be pulled out when supports on belt change side are removed. n

Belt run sensors (BIC sensors) protect the system from damage during belt change:

(The belt speed acquisition sensor is located near the weighing electronics, or switchboxes). –

Unscrew belt run sensor complete with holders. Cables need not be disconnected.

–

Deposit sensor in the MULTIDOS side web and remount after belt change. No setting is required after belt change unless sensor is damaged.

Fig.25: Belt Speed Acquisition Sensor Holders


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33

7.1.Changing Belt n

Unscrew support from frame and floor.

Fig.26: Unscrewing Supports

n

Removing support: The weight of the scale poses the risk of crushing when the safety devices fail and the scale unexpectedly overbalances. (Check for easy movement. If this is not the case, support is not properly released from tension.)

Fig.27: Pulling Out Support

34

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7.1.Changing Belt

n

Removing support relief:

DANGER: To avoid severe injuries, ensure that nobody is present under the weighfeeder.


–

Remove support relief by lowering crane.

–

Remove crane hooks and dismount crane eyes.

–

Without crane: Carefully remove frame shims.

BV-H 2123 GB / 0738

35

7.1.Changing Belt n

Removing old belt, mounting new belt

Watch your hands When removing and mounting belt on idlers, pay attention to machine parts that may pose a risk of crushing.

–

Before mounting new belt, clean weighfeeder from material residues, if any. Ensure that head and tail pulleys as well as carrying and weighed idlers are free from material residues. If need be, clean using spatula.

–

Check corrosion protection for wear, if need be, repaint.

–

Check idlers for smooth run in bearings; if need be, replace.

–

When mounting new belt, check for proper direction of travel . Check to see that the switching vane integrated in belt is on belt sensor side. (On switching vane side, belt is marked.) Mount new belt between head and tail pulleys.

Fig.28: Changing Belt Without Auxiliary Device

36

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7.1.Changing Belt n

Remounting supports:

–

Release supports from tension by using crane or shims.

–

Screw supports in place (see p. 34 ).

7.1.1.1. Auxiliary Device NOTE: The figures below depict a sample auxiliary device. The operating principle is the same with any auxiliary devices. Please note the instructions given at Item 7.1.1. f the old belt is not cut for removal, read the instructions for mounting belt with the use of an auxiliary device and proceed in reverse order of sequence.

n

Wrap new belt around auxiliary device (see p. 38 ). Check for proper direction of travel.

n

Screw auxiliary device onto MULTIDOS.

Fig.29: Screwing Auxiliary Device In Place

n


Dismount supports on belt change side.

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37

7.1.Changing Belt n

Mount new belt.

Fig.30: Belt On Auxiliary Device

Fig.31 : Changing Belt Using Auxiliary Device

Once new belt is mounted, – screw supports in place (see p. 11). – Dismount auxiliary device. – Screw skirt boards in place (for proper torque, see p. 55 ). n

38

BV-H 2123 GB / 0738


7.1.Changing Belt

7.1.2. Aligning and Pretensioning Belt –

While tensioning, ensure that belt is between belt tensioning and tracking station sensors.

–

Tension belt so that plough scraper and belt tensioning/tracking stations locking screws can easily be moved.

–

Avoid uneven belt tension by alternate turning of tension screws (in counter clockwise direction).

–

Tension belt so that plow scraper and belt tension/tracking stations locking screws can easily be removed. Remove locking screws and secure by tightening respective counter nuts (see p. 24, 26 ). (Tension belt by turning tension screws in counter clockwise direction (see p. 30 ) )

Fig.32: Aligning Belt


BV-H 2123 GB / 0738

39

7.1.Changing Belt

Servicing n

Aligning belt outside scraper on material discharge side:

NOTE: For alignment, observe the belt scraper item of the order-specific documentation in the binder supplied. Once belt change is complete, align belt for proper tension and straight run. Follow the steps described at Item 7.2. To reassemble, reverse the removal procedure. Readjust weighfeeder by removing the load cell supports (see page 18). For instructions, refer to the Weighing Electronics manual, and observe the technical data given in the technical system documentation.

40

BV-H 2123 GB / 0211

MULTIDOS® MTD Instructions Manual © Schenck Process GmbH, Darmstadt

7.2.Belt Tensioning and Belt Run

7.2. Belt Tensioning and Belt Run If belt change is complete, tension belt and ensure proper belt tracking. Avoid getting in touch with movable parts, e.g. weighfeeder belt. ( s. page 30).


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41


7.2.1. Tensioning Belt To tauten the belt turn the tension screws clockwise (MULTIDOS MTD-E) or anticlockwise (MULTIDOS MTD-M and H). If your MULTIDOS is equipped with a rear guard on the material infeed point, you can tension the belt tensioning and tracking station on either side using the provided access holes, and watch the belt run through the inspection holes in the rear guard (closed with plastic caps). The check strips in the slot let you watch the belt tension through the swivel inspection covers on both sides of the lateral guard.

Fig. 33: Inspection Cover Swivelled Away

Fig.34: Tensioning Belt With Rear Guard At Material Infeed

42

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7.2.Belt Tensioning and Belt Run Belt tension is correct if the two check strips of belt tensioning and tracking station in inspection windows are in mid belt as shown below. (cf. page 26 ).

Ensure 2.5mm space between belt edge andtracking station sensor roller (see Fig. 35 ) . Belt tensioning and tracking station has to be aligned with 90° inclination to belt (see Fig. 32, page 39). To avoid excessive dead times of tracking station, make sure that this value is not exceeded. If need be, adjust sensor rollers.

Fig.35: Belt Run Sensor Roller


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43


7.2.2. Tracking Belt Perform trial run to see if belt tracking is stable. If belt drifts off at one side, increase belt tensioning and decrease on opposite side. Proceed in small steps until proper belt tracking is given.

Fig.36: Tracking Belt

If belt tracking is still unstable, check to see if n

head and tail pulley axes are perpendicular to frame

Fig.37: Aligning Pulley Axles

n

44

weighfeeder is level with the floor?

BV-H 2123 GB / 0738


7.2.Belt Tensioning and Belt Run n

belt edges are perpendicular to pulley axes?

n

belt edges inside lengths are identical?

If belt drift is not noted before actual operation under load, check to see if

n

prefeeder is aligned to mid belt

Fig.38: Prefeeder Aligned To Mid Belt?


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45

7.2.Belt Tensioning and Belt Run n

prefeeder or bed depth mechanism is parallel to weighfeeder longitudinal axis

Fig.39: Prefeeder Aligned In Parallel

n

material lumps are blocking prefeeder

n

belt tensioning and tracking station are rectangular to belt and sensor roller arms angle A is identical.

Fig.40: Belt Tensioning And Tracking Station Angle

46

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Servicing

7.3. Changing Motor and Reducer

7.3. Changing Motor and Reducer Injury Hazard. Protect motor and reducer from dropping. Electrical shock hazard. Cut off MULTIDOS and disconnect all electrical connections. n

Dismounting Motor and Reducer

–

Protect motor and reducer from dropping, e.g. hook on crane.

–

Disconnect power.

–

Remove all screws connecting motor and reducer with MULTIDOS.

–

Extract motor and reducer from head pulley. If this cannot be done by hand force and careful use of levers, we suggest to use the auxiliary device (pressure disk, threaded disk, jack screw) shown below.

Fig.41: Changing Motor And Reducer Using Auxiliary Device


BV-H 2123 GB / 0738

47

7.3.Changing Motor and Reducer

48

n

Reassembling Motor and Reducer

–

Check to see that head pulley shaft and fitted keys are free from damage, corrosion and grime.

–

Paint shaft and motor/reducer joints using the paste recommended by the motor supplier (see motor documentation).

–

Protect motor/reducer from dropping when being lifted.

–

Push motor/reducer onto head pulley shaft without excessive force.

–

Screw motor/reducer onto MULTIDOS frame. Tighten screws to proper torque (see p. 55 ).

–

Provide electrical connection.

–

Power-up MULTIDOS.

–

Check motor/reducer for proper functioning.

BV-H 2123 GB / 0738


7.3.Changing Motor and Reducer

8.

Inspection Danger: n If repair work requires guards to be dismounted, disconnect all electrical connections of the MULTIDOS weighfeeder from power supply and protect machine from inadvertent restart while repair work is being performed. n

NEVER climb on machine to perform cleaning work. The machine has the potential to cause severe injury or death.

Perform visual checks on feeder in regular intervals. Visual Check –

Component

Interval (suggestion)

Pulleys Check for proper support and rotation.

Weekly

Weighing section Check for grime, particularly for material build-ups between weighing section and frame.

Weekly

Conveyor belt Check to see that pre-tension and alignment are within tolerance. For judgement and instructions to correct belt tension, (see page 40).

Weekly

Interval (specified by user in accordance with operating conditions)

Table 2: Inspection Intervals


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49

9.1.Cleaning

9.

Maintenance

9.1. Cleaning Clean MULTIDOS weighfeeder using steam jet cleaner. To protect feeder from damage, do not expose parts below to direct steam jet: – Idler faces – Compact weighing module – Gearbox shaft seals – Head and tail pulley bearings.

50

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9.1.Cleaning

9.1.1. Cleaning and Maintenance Interval ( specified by user in accordance with operating conditions)

Component

Interval (suggestion)

Motor Clean cooling ribs.

Weekly (100 operating hours)

Conveyor belt Check for proper pre-tension.

Weekly

Drive set Change oil.

See Drive Set technical documentation.

Under normal conditions, bearings are lubricated for life. Under ardent conditions, e.g. Operating temperatures over 100°C Water jets Heavy grime Extreme humidity and failure in operation ensure sufficient grease fill to protect bearings from damage. Upon relubrication, grease slowly to protect seals from damage. Interval: Weekly For lubricant data, see page 52. ^ Table 3: Cleaning and Maintenance


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51

9.2.Lubricating Instructions

9.2. Lubricating Instructions Component Gearbox SA 47 Gearbox SA 57 Gearbox SA 67 Gearbox SA 77 Gearbox KA87 Gearbox KA97 Gearbox KA107 Gearbox CAZ 88 Attached gearbox R17 Attached gearbox R 37 Attached gearbox R57 Attached gearbox R77 D/Z 38 Motor

Lubricants to DIN 51 502 Oil CLP 680 Oil CLP 680 Oil CLP 680 Oil CLP 680 Öl CLP 220 Öl CLP 220 Öl CLP 220 Oil PGLP 220 Oil PGLP 220

Quantity per lube point 0.4l 0.5l 1.0l 1.8l 3.7l 7.0l 10.0l 1.8l 0.25l

Oil CLP 220

0.3l

Oil CLP 220

0.8l

Oil CLP 220

1.2l

Oil PGLP 220 Luricated for life

0.5 l

Carrying idler

Luricated for life

Head pulley Tail pulley Bearings

Lithium soap grease with corrosion protective additive of penetration class 3

Fill bearing completely.

Interval

Comments

Every 10 000 operating hours

Maintenancefree Maintenancefree To be specified For ardent conditions, see by user in accordance with page 51. operating conditions.

Table 4: Lubrating Instructions

52

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9.2.Lubricating Instructions

10.

Troubleshooting

Fault

Possible Cause

Belt load too high

Bed depth too high

Remedy Reduce bed depth. See Item 5.3.

Bulk density too high

Reduce bulk density. See item 5.3.

Bed depth too low

Increase bed depth. See Item 5.3.

Material discharge error

Check discharge unit if any, or check silo outlet for build-ups or material lumps .

Betl slips through

Check and correct belt tension. See Item 7.2.

Belt speed deviates from set speed.

Belt slips through


Belt runs off-centre

Uneven belt tension


Head/tail pulley grimed

Clean scraper and check for proper functioning.

Belt tensioning and tracking station misaligned

Check alignment to belt and sensor roller angles. See page 46.

Uneven material discharge from silo

Check discharge unit if any, and /or material flow in silo.

Carrying idlers in weigh span misaligned

Check carrying idler alignment (see Manual FH5400).

Load cell(s) defective

Check zero point and linearity. If need be, replace load cell(s). (See Manual FH5400)

Nominal feed rate not reached

Feed error too big

^

Table 5: Faults and Remedy


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53

11.1.Technical Data

11.

Data Always observe the order-specific technical data!

11.1. Technical Data Sound / Noise: The user is bound to take the necessary precautions. Sound emission: 70 dB(A) in no-load run up to 85 dB(A) in operation; with certain materials also higher

11.1.1. MULTIDOS MTD-E Technical Data Belt widths [mm]: 650, 800, 1000, 1200, 1400 Spindle spacings [mm]: 1500, 2000, 2500 to 10,000 in 500mm steps. Height from floor to the upper edge of the belt: 410mm Pulley diameter: Drive 193mm; 320mm Tail pulley: 193mm Driving torque [Nm]: 170, 295, 520, 520, 915, 2700, 3000

11.1.2. MULTIDOS MTD-M Technical Data Belt widths [mm]: 650, 800, 1000, 1200, 1400 Axle spacings [mm]: 1500, 2000, 2700, 3500, 4000, 5000, 6000, 7000, 8000. Headroom from mounting surface to belt top edge: 410mm Pulley diameter: 193mm Drive torques [Nm]: 250 to 1200

54

BV-H 2123 GB / 0738


11.1.Technical Data

11.1.3. MULTIDOS MTD-H Technical Data Belt widths [mm]: 1400, 1600, 1800, 2000 Axle spacings [mm]: 2700, 3500, 4500, 5500, up to 10500 in 1000mm steps Headroom from mounting surface to belt top edge: 635mm Pulley diameter: 320mm Drive torques [Nm]: 1800 to 7800

11.1.4. MULTIDOS MTD-E and M Feed Rate, Belt Load

Belt width [mm]

Feed rate [ m3 / h ]

650

70

800

150

1000

250

1200

350

1400

450

Table 6: MULTIDOS MTD-E and M Maximum Volumetric Feed Rate (at 0.5 m/s Maximum Belt Speed)

Belt width [mm] 650

300

800

400

1000

500

1200

400

1400

400

Table 7: MULTIDOS MTD-E and M Admissible Belt Load in Material Infeed Area

MULTIDOS® MTD Instructions Manual © Schenck Process GmbH, Darmstadt

BV-H 2123 GB /0211

55

11.2.Tools List / Torques

Belt width [mm]

Admissible belt load [ kg / m ]

650

730

800

1330

1000

1500

1200

1500

1400

1500

Table 8: MULTIDOS MTD-E and M Admissible Belt Load in Weighing Area

11.2. Tools List / Torques MULTIDOS MTD-E and M For maintenance and repair work, we suggest to use the following tools (data in metric system):

Double ring wrench, cranked 17x19 Double open ended wrench 17x19 , 10x13 Universal ratchet with drive extension 1/2" square with socket wrenches 13, 30; 19 in high form . Screw driver for slotted screws, 7mm width.

MULTIDOS H In addition to the tools listed for MULTIDOS M, the following tools are required (data in metric system): Ring wrench, cranked: 24, 30, 36, 46 Open ended wrench: 24, 30, 36, 46

56

BV-H 2123 GB / 0738



11.2.1. Torques for fixing elements of quality 8.8 Thread

Torque [ Nm ]

M8

25

M10

45

M12

80

M16

194

M20

390

M24

673

Table 9: Torques of Screws Quality 8.8


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57


Notes:

58

BV-H 2123 GB / 0738


INDEX A Arrow pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Axle spacings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54, 55

B Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Aligning Pretensioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Auxiliary device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Direction of travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Belt cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Belt run sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Belt scraper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Belt widths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54, 55 BIC sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

C Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50, 51 Compact weighing module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8, 23

D Discharge hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6, 20 Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7, 47, 48, 49 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Drive torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54, 55 Dust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

E Electrical wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Extension screws. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Eye hooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

F Fig. : Catch with MULTIDOS H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Fig. : Basic Variant and Extensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fig. : Bed Depth, Slide Gate Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Fig. : Belt Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Fig. : Changing Belt Using Auxiliary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Fig. : Discharge Hood, Removing Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Fig. : Extracting Discharge Hood From Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Fig. : Inspection Cover Swivelled Away. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Fig. : Inspection Cover with MULTIDOS H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Fig. : Inspection Covers in Side Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Fig. : Material Infeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Fig. : MULTIDOS Basic Variant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Fig. : MULTIDOS Side Guards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Fig. : Rear Guard and Feed Hopper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Fig. : Secured - Plough Scraper on Material Infeed Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Fig. : Securing Weighing Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23


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Fig.: Aligning Belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Fig.: Aligning Pulley Axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Fig.: Belt On Auxiliary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Fig.: Belt Run Sensor Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Fig.: Belt Speed Acquisition Sensor Holders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Fig.: Belt Tensioning And Tracking Station Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Fig.: Changing Belt Without Auxiliary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Fig.: Changing Motor And Reducer Using Auxiliary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Fig.: Dismounting Extension Screw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Fig.: Prefeeder Aligned In Parallel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Fig.: Prefeeder Aligned To Mid Belt?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Fig.: Pulling Out Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Fig.: Releasing Belt From Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Fig.: Removing Skirt Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Fig.: Screwing Auyiliary Device In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Fig.: Secured - Belt Tensioning and Tracking Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Fig.: Secured - Plough Scraper on Material Infeed Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Fig.: Skirt Board Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Fig.: Tensioning Belt With Rear Guard At Material Infeed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Fig.: Tracking Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Fig.: Unscrewing Supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Fig.: Unsecured - Belt Tensioning and Tracking Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Fig.: Unsecured - Plough Scraper on Material Infeed Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24, 25 Fixing elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Floor conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

H Head pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54, 55 Hopper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

I Idlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

L Lowering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Lube point lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

M Material bed depth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Material discharge side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Material infeed side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

O Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Optimisation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

P

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Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Pulley diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54, 55

R Rear Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Rear guard \~. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

S Safe work environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Scraper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29, 40 Scrapers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Sensor roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Side guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Side Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Skirt boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7, 28 Slide Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33, 34

T Table : Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Table : Faults and Remedy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Table : Inspection Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Table : Lubrating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Table : MULTIDOS MTD-E and M Admissible Belt Load in Material Infeed Area . . . . . . . . . . . . . . . . 55 Table : MULTIDOS MTD-E and M Admissible Belt Load in Weighing Area . . . . . . . . . . . . . . . . . . . . 56 Table : MULTIDOS MTD-E and M Maximum Volumetric Feed Rate (at 0.5 m/s Maximum Belt Speed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Table : Torque for Bottom Fixing Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table : Torques of Screws Quality 8.8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Tail pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Take-up screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56, 57 Torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56, 57 Transit restraint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

V Visual check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

W Weighing electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Weighing electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Weighing platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Weighing range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7


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Notes:

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