Attachments
Section A
Section A
7 - 6
7 - 6
9803/8500
Issue 1
Pressure Testing
Preparing for Testing
1
Switch off the engine and relieve system pressure by
operating the backhoe controls a few times.
2
Disconnect the feed hose from the valve block and
insert a 'T' adapter between the valve block and the
hose. Attach a 0 - 400 bar (0 - 6000 lbf/in
2
) pressure
gauge to the 'T' adapter.
3
Start the engine.
Pressure Testing
Note:
Clockwise adjustment of the relief valves increases
the pressure relief setting.
Main Relief Valve (MRV)
Operate the bucket dump service until it reaches the end of
its travel. Continue to operate the lever and note the
pressure at which the MRV operates. The pressure should
be 172 bar (2494 lbf/in
2
). Adjust cartridge
A
, if necessary, to
achieve this setting.
Boom ARV
1
Adjust the MRV setting to 190 bar (2755 lbf/in
2
)
approximately, using the procedure above.
2
Connect the locking stay
B
as shown. Operate and hold
the boom lower service.
3
Adjust ARV
C
to operate at 180 bar (2610 lbf/in
2
).
4
Operate and hold the boom raise service.
5
Adjust ARV
D
to operate at 180 bar (2610 lbf/in
2
).
6
Reset the MRV to its normal operating pressure (see
Main Relief Valve
).
7
Disconnect locking stay
B
and stow it as shown by the
dotted line.
Slew ARV
1
Slew the superstructure left to the end of its travel and
continue to operate the lever.
2
Adjust ARV
E
to operate at 158 bar (2290 lbf/in
2
).
3
Slew the superstructure right to the end of its travel and
continue to operate the lever.
4
Adjust ARV
F
to operate at 158 bar (2290 lbf/in
2
).
Dipper ARV
1
Carry out step
1
of
Boom ARV
.
2
Fully raise the boom, then lower the dipper to the end of
its travel and continue to operate the lever.
3
Adjust ARV
G
to operate at 180 bar (2610 lbf/in
2
).
4
Raise the dipper to the end of its travel and continue to
operate the lever.
5
Adjust ARV
H
to operate at 180 bar (2610 lbf/in
2
).
6
Reset the MRV to its normal operating pressure (see
Main Relief Valve
).
Bucket ARV
1
Carry out step
1
of
Boom ARV
.
2
Operate the 'bucket crowd' control so that the bucket
reaches the end of its travel and continue to operate the
control.
3
Adjust ARV
J
to operate at 180 bar (2610 lbf/in
2
).
4
Reset the MRV to its normal operating pressure (see
Main Relief Valve
).
Backhoe
6
5
4
3
2
1
E
D
J
G
H
F
C
A
B
Summary of Contents for ROBOT 150
Page 2: ......
Page 21: ...5 2 Safety Decals cont d Section 2 Care and Safety 9803 8500 Section 2 5 2 Issue 2...
Page 77: ...Attachments Section A Section A 7 7 9803 8500 Issue 1 Backhoe...
Page 97: ...4 3 Section C Electrics 9803 8500 Section C 4 3 Issue 1 Alternator S213570...
Page 123: ...1 1 Section D Controls 9803 8500 Section D 1 1 Issue 1 Safety Restraint Bar S168160 1...
Page 125: ...2 1 Section D Controls 9803 8500 Section D 2 1 Issue 1 Throttle Controls S168150D...
Page 142: ...Hydraulics 9803 8500 Issue 1 4 1 4 1 Descriptions Section E Section E...
Page 145: ...Hydraulics 9803 8500 Issue 2 5 2 5 2 Descriptions Section E Section E...
Page 146: ...Hydraulics 9803 8500 Issue 2 5 3 5 3 Descriptions Section E Section E...
Page 149: ...Hydraulics 9803 8500 Issue 2 5 6 5 6 Descriptions Section E Section E...
Page 152: ...Hydraulics 9803 8500 Issue 1 5 9 5 9 Descriptions Section E Section E...
Page 163: ...10 1 Section E Hydraulics 9803 8500 Section E 10 1 Issue 1 Pumps 168150...
Page 165: ...10 3 Section E Hydraulics 9803 8500 Section E 10 3 Issue 1 Pumps 168030...
Page 167: ...10 5 Section E Hydraulics 9803 8500 Section E 10 5 Issue 1 Pumps 168160...
Page 175: ...11 1 Section E Hydraulics 9803 8500 Section E 11 1 Issue 2 Pumps 167750...
Page 179: ...13 1 Section E Hydraulics 9803 8500 Section E 13 1 Issue 1 Drive Motors 167720 S167720A...
Page 183: ...13 5 Section E Hydraulics 9803 8500 Section E 13 5 Issue 1 Drive Motors S243720 X X S243870...
Page 212: ...18 1 Section E Hydraulics 9803 8500 Section E 18 1 Issue 2 Valves S204980 X X 3 B A 4 2 1 5...
Page 215: ...20 1 Section E Hydraulics 9803 8500 Section E 20 1 Issue 1 Servo Joysticks S167960...
Page 217: ...20 3 Section E Hydraulics 9803 8500 Section E 20 3 Issue 1 Servo Joysticks 167950...
Page 221: ...23 3 Section E Hydraulics 9803 8500 Section E 23 3 Issue 1 Rams S167800...
Page 241: ...1 2 Section F Transmission 9803 8500 Section F 1 2 Issue 2 Tyres and Wheels 167861 167811...
Page 243: ...1 4 Section F Transmission 9803 8500 Section F 1 4 Issue 2 Tyres and Wheels 167851...
Page 253: ...2 1 Section K Engine 9803 8500 Section K 2 1 Issue 1 Removal and Replacement S167990...