Auxiliaries

Service Training MALAGA

320B/330B Hydraulic Excavators VII. AUXILIARY CIRCUITS

Francis June 97

P a g e :

320B - 330B COMBINED CIRCUIT NEUTRAL (Single Action) 2nd Speed Hammer

2

117-8919 Medium Press Circ 131-9203 L970 - GY

3T-3132

Hammer Press. Switch

1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer

AUXILIARY CONTROL VALVE

RHS

BOOM 106-0179

STICK

PILOT PUMP Hi

Lo

BUCKET C H A P T E R :

191 - WH

200 - BK

SWING

1114878

MAIN PUMPS

A x i l i a r y C i r c u i t s

NFC

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

NFC

Aux Hyd Contr 9 5 9 A A 5 8 5 8 8 1 5 0 5 4 - - - 0 9 P Y B - K L R - W O H R

AC1

AC2 121-1491

111-9916

PILOT PUMP

Option 116-3413

121-1491

3 2 0 B E / X 3 C 3 A 0 V B A H T Y O D R R S A U L I C

AUX. PILOT MANIFOLD

P a g e :

320B - 330B COMBINED CIRCUIT HAMMER ACTIVATED 2nd Speed Hammer

3


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer

ATTACHMENT CONTROL VALVE

RHS

BOOM 106-0179

STICK

PILOT PUMP Hi

Lo

BUCKET 191 - WH

200 - BK

SWING

1114878

C H A P T E R :

MAIN PUMPS 9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

NFC NFC

Aux Hyd Contr 9 5 9 A A 5 8 5 8 8 1 5 0 5 4 - - - 0 9 P Y B - K L R - W O H R

PILOT PUMP

111-9916

121-1491

121-1491

Option 116-3413

AUX. PILOT MANIFOLD

NOTE: The hammer mode must be activated with Power + Mode and Boom Priority selected



P a g e :

320B - 330B COMBINED CIRCUIT HAMMER ACTIVATED 2nd Speed Hammer

3


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer


RHS

BOOM 106-0179

STICK

PILOT PUMP Hi

Lo

BUCKET 191 - WH

200 - BK

SWING

1114878

C H A P T E R :

MAIN PUMPS NFC

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

NFC

Aux Hyd Contr 9 5 9 A A 5 8 5 8 8 1 5 0 5 4 - - - 0 9 P Y B - - K L R W O H R

PILOT PUMP

111-9916

121-1491

Option


116-3413

121-1491

AUX. PILOT MANIFOLD



P a g e :

320B - 330B COMBINED CIRCUIT HAMMER/BOOM ACTIVATED 2nd Speed Hammer

4


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer


RHS

BOOM 106-0179

STICK

PILOT PUMP Hi

Lo

BUCKET 191 - WH

200 - BK

1114878

SWING

C H A P T E R :


NFC NFC


PILOT PUMP

111-9916

121-1491

121-1491

Option 116-3413

AUX. PILOT MANIFOLD




P a g e :

320B - 330B COMBINED CIRCUIT HAMMER/BOOM ACTIVATED 2nd Speed Hammer

4


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer


RHS

BOOM 106-0179

STICK

PILOT PUMP

BUCKET

Hi

Lo

191 - WH

200 - BK

1114878

SWING

C H A P T E R :

MAIN PUMPS NFC

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

NFC


PILOT PUMP

111-9916

121-1491

Option

121-1491


116-3413

AUX. PILOT MANIFOLD



P a g e :

320B - 330B COMBINED CIRCUIT DOUBLE ACTION Attach Ctrl Vl

Medium Press

5


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer


RHS

BOOM 106-0179

STICK

PILOT PUMP Hi

Lo

BUCKET 191 - WH

200 - BK

1114878

SWING

C H A P T E R :


NFC NFC


PILOT PUMP

111-9916

121-1491

AUX. PILOT MANIFOLD

121-1491

Option 116-3413



P a g e :

320B - 330B COMBINED CIRCUIT DOUBLE ACTION Attach Ctrl Vl

Medium Press

5


3T-3132


1 9 8 - P K

LHS

Eng / Pump Ctrl 37

2 Speed Hammer


RHS

BOOM 106-0179

STICK

PILOT PUMP

BUCKET

Hi

Lo

191 - WH

200 - BK

1114878

SWING

C H A P T E R :

MAIN PUMPS NFC

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

NFC


PILOT PUMP

111-9916

121-1491

Option

121-1491


116-3413

AUX. PILOT MANIFOLD

P a g e :


MEDIUM PRESSURE CIRCUIT (Neutral)

6

A

Attach Ctrl Vl

Medium Press

B

117-8919

3T-3132

250

A B C

1 9 8 - P K

250

RHS

LHS PILOT PUMP

106-0179 (ATCH VAL) Hi

Lo

191 - WH

2 0 0 - B K

131-9203

200 - BK

C H A P T E R :

1114878

M

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

2 0 0 - B K

Aux Hyd Contr 5 9 A A 8 5 8 8 5 0 5 4 - - 0 9 Y B - - L R W O H R

175

A A 8 8 4 4 8 7 - - P Y K L

LS

To F/C aux prop. sol. To AC1 aux sol. To AC2 aux sol.

T

P

Eng / Pump Ctrl

L970 - GY Hammer Press. Switch


37

AUX PUMP 132-5975

VALVE GROUP 125-8075


P a g e :

MEDIUM PRESSURE CIRCUIT (Neutral)

6

A

Attach Ctrl Vl

Medium Press

B

117-8919

3T-3132

250

A B C

1 9 8 - P K

250

RHS

LHS PILOT PUMP

106-0179 (ATCH VAL) 191 - WH

Hi

Lo

2 0 0 - B K

131-9203

200 - BK

C H A P T E R :

1114878

M

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

2 0 0 - B K


175

A A 8 8 4 4 8 7 - - P Y K L

LS

T


P


Eng / Pump Ctrl



37


AUX PUMP 132-5975

P a g e :

MEDIUM PRESSURE CIRCUIT (Activated)

7

A

Attach Ctrl Vl

Medium Press

B

117-8919

3T-3132

250

A B C

1 9 8 - P K

250

RHS

LHS PILOT PUMP


Lo

191 - WH

2 0 0 - B K

131-9203

200 - BK

C H A P T E R :

1114878

M

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

2 0 0 - B K


175

A A 8 8 4 4 8 7 - - P Y K L

LS


T

P

Eng / Pump Ctrl



37

AUX PUMP 132-5975



P a g e :

MEDIUM PRESSURE CIRCUIT (Activated)

7

A

Attach Ctrl Vl

Medium Press

B

117-8919

3T-3132

250

A B C

1 9 8 - P K

250

RHS

LHS PILOT PUMP


Lo

191 - WH

2 0 0 - B K

131-9203

200 - BK

C H A P T E R :

1114878

M

9 5 5 5 5 9 9 5 4 4 4 4 5 6 4 9 8 7 6 2 1 - - - - - - - G P G O B O B N K Y R U R R

2 0 0 - B K


175

A A 8 8 4 4 8 7 - - P Y K L

LS


T

P


Eng / Pump Ctrl



37

AUX PUMP 132-5975

320B / 330B HYDRAULIC EXCAVATORS CHAPTER : Axiliary Circuits

DISPLAY PANEL


320B / 330B HYDRAULIC EXCAVATORS CHAPTER : Axiliary Circuits

DISPLAY PANEL

ARROW KEY

ENTER KEY

PLUS KEY

MINUS KEY

" ++", "-","+","--", Then press enter key

Page:

8

320B / 330B HYDRAULIC EXCAVATORS CHAPTER : Auxiliary Circuits

AUXILIARY HYDRAULIC CONTROLLER (122-9897)

When the controller in "ON", the first information displayed is the version of t he controller. Example :

_ _ 2 . 1 0 _

NB. In each major change (software or hardware) that will affect the operation of the controller, the left side digit will be increased. In each minor changes, the digits on the right will be increased.

The controller "Display/Keypad" has the following modes: - Active mode (Aux/Hyd controller is operating) - Inactive mode (Aux/Hyd controller is not operating) - Programming mode

ACTIVE MODE During the Aux/Hyd controller operation, the Display will visualize the selected working mode. The Aux/Hyd controller has 4 different working modes:

1

L

1

2

H

1

3

L

2

4

L

2

The 4 different working mode are combined as follows: 1 _ _ _ L 1 = Low Mode One Way 2 _ _ _ H 1 = High Mode One Way 3 _ _ _ L 2 = Low Mode Two Way 4 _ _ _ H 2 = High Mode Two Way Page:

9


AUXILIARY HYDRAULIC CONTROLLER (122-9897) INACTIVE MODE In this mode the Aux/Hyd controller, the 4 working mode settings can be visualized. For each working mode the Aux/Hyd controller will display the 3 following informatons: - Number of hours the tool has already accomplished in that working mode. - Operating engine speed set up for that working mode. - Operating flow set up for that working mode. To visualize all these information the Arrow Key must be pushed. The first information shown on the display will be the number of ours of the current active working mode. Pressing the Arrow Key again, will display the next operating engine speed information. Pressing The Arrow Key again, the operating flow will be displayed.

Example : Active Working Mode

2

H

1

2

h

X

X

X

X

2

E

Y

Y

H

1

2

F

n

n

H

1

3

h

X

X

X

X

3

E

Y

Y

L

2

3

F

n

n

L

2

4

h

X

X

X

X

4

E

Y

Y

H

2

4

F

n

n

H

2

1

h

X

X

X

X

1

E

Y

Y

L

1

1

F

n

n

L

1

2

h

X

X

X

X

NB. Use the arrow key to visualize all settings by scrolling down.

Page:

10


AUXILIARY HYDRAULIC CONTROLLER (122-9897) PARAMETERS ADJUSTMENT

The engine speed parameters can be set between 01 and 10 (speed dial position). The operating flow parameters can be set between 00 and 99. DISPLAY WINDOW Engine speed parameters display 2

E

0

9

H

1

Operating flow parameters

2

E

5

0

H

1

As an example we have recorded on a 325B the following flow values. The engine speed has been set at dial 9 and the machine in One Way configuration.

Flow param.

Flow Ltr/min

Sys Press kPa

NFC Press kPa

10

102

15000

3081

20

151

15300

2693

25

177

15000

2504

30

198

15100

2328

35

215

15000

2162

40

234

14900

2007

45

262

15100

1839

50

297

14800

1696

55

323

15100

1550

60

325

15200

1410

NOTE. The above table should be considered as reference only. As the Aux/Hyd controller is regulating the pump flow through the NFC pressure, it is not guarantee that each machine will have the same flow for the same flow param. setting.

Page:

11


TESTING WITHIN THE PROGRAMMING MODE The adequate flow and engine speed parameters must be adjusted within the programming mode to meet the auxiliary tool requirements. In most of the cases, the machine will probably have to be tested prior to recording these values. The programming mode enables the machine to be tested without living the mode, the Keypad remains active and the Display still visualizing whether the flow or engine speed parameters during the Aux/Hyd controller operation. The best practice will be within the programming mode to set first the engine speed to the desire value and then, increase the flow parameters step by step starting from the minimum value, testing each of the values until the requested flow is reached. (Ref. to Hammer installation procedure) ERROR CODES: Error 1 : open circuit in NFC proportional reducing valve. Error 2 : Aux/Hyd Controller NFC proportional reducing valve output is short grounded. Error 3 : Aux/Hyd Controller AC1 or AC2 output are short - grounded. (AC1 and AC2 are ON/OFF solenoids) Error 4 : Aux/Hyd Controller HAM2 R1 or R2 outputs are short - grounded. Error 5 : Aux/Hyd Controller detects malfunction of the Activation Pressure Switch . The pressure switch is located on the PTA port of the auxiliary control valve. When ERROR 5 is displayed, maximum pressure is sent to the NFC port for minimum flow output. NOTE. The display of the Error-Codes has priority over the rest of the display codes, but does not affect the function of the Aux/Hyd Controller. Several Error-Codes can appear at the same time, the Aux/Hyd Controller will display on the screen the last Error-Code detected. The Error 1 and 2 can appear in both active or inactive modes. The error 2 and 4 appear only when the Aux/Hyd Controller is operating. As the Aux/Hyd Controller is continuously checking the NFC proportional reducing valve signal, the Error 1 and 2 will disappear automatically when the problems are solved. The Error 3 and 4 will disappear at the next Aux/Hyd Controller operation. If one or several Error-Codes are detected, start to fix the firs Error-Code displayed, then check if additional Error-Codes are displayed. The Aux/Hyd Controller can visualize the errors only one at the time. In case of Errors 1 and 2, the Aux/Hyd Controller will proceed as follows : - Deactivation of AC1 and AC2 output signals. - If for any reason the Activation Pressure SW Signal is "ON", the Aux/Hyd Controller will decrease the engine speed to Dial 1. Page:

12


AUXILIARY/HYDRAULIC CONTROLLER DISPLAY WINDOW

DISPLAY VALUE OF WORKING CONDITIONS

WORKING MODE 1234-

Low Mode One Way High Mode One Way Low Mode Two Way High Mode Two Way

- hours - Eng. RPM - Flow

SETTING h- Hours of working Mode E- Engine RPM of Working Mode F- Flow of Working Mode

PROGRAMMING CHANNELS SELECTION

WORKING MODE COFIGURATION L1 = Low Mode One Way H1 = High Mode One Way L2 = Low Mode Two Way H2 = High Mode Two Way

1

h

X

X

X

X

1

E

X

X

H

1

1

F

X

X

H

1

2

h

X

X

X

X

2

E

X

X

L

2

2

F

X

X

L

2

3

h

X

X

X

X

3

E

X

X

H

2

3

F

X

X

H

2

4

h

X

X

X

X

4

E

X

X

L

1

4

F

X

X

L

1

1

h

X

X

X

X

1

E

X

X

H

1 Page:

13


AUXILIARY/HYDRAULIC CONTROLLER ACCESS TO PROGRAMMING MODE

ARROW KEY

ENTER KEY

PLUS KEY

MINUS KEY

To access the programming mode, press the keys as follow: " ++", "-","+","--", Then press enter key

DISPLAY WINDOW (Could be any other value)

Exemple : Current active mode L 2, change flow parameters from 00 to35. Select first the flow parameters with "Arrow Key" then, press on "+ " or "-" key until you have reached 35

To save the new parameters press "Enter Key" and then "+" Key, the last digit "P" will change from "P" to "S"(Saved) To end the programming mode press "Enter Key" and then "Arrow Key'. TO CHECK THE DIFFERENTS WORK MODE SETTING, PRESS "ARROW KEY", THE DISPLAY WILL SCROLL NOTE: To modify the engine speed and the flow parameters of another working mode, the position of the One Way (Hammer) or Two way (Shear) Ball-Valve Lever and the Rocker Switch (tortoise or rabbit) must be selected. The position must be set to have the desire mode active, the controller authorizes to change only the parameters of the courrent active mode

Page:

14

Auxiliaries

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