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Section E
2 - 5A
Relief Valve Pressures
Loader Valve - Precision Control (Servo)
(Machines from January 2003)
Auxiliary Relief Valves (A.R.V.)
Shovel Ram Head Side
Shovel Ram Rod Side
Note: Instructions for pressure testing and adjustment are described in Service Procedures, Loader Valve - Pressure
Testing.
Component Key:
1
Auxiliary (options)
2
Shovel service
3
Arms lift service
4
Auxiliary relief valves
5
Electric detent spool connector
6
Inlet port (secondary pump section P2)
7
Tank port
8
Inlet port (main pump section P1)
9
Service ports
9803/3280
Hydraulics
Technical Data
7
T
8
P
Purchased from www.WorkshopManuals.co.uk
bar
kgf/cm
2
310
315
170
175
1
2
3
4
A
A
A
9
9
9
LS
9
9
9
T
B
B
B
4
5
Section E
2 - 5A
lbf/in
2
4500
2500
P
6
A403690
Issue 1
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