2 - 10A
Section E
Hydraulics
9803/3280
Section E
2 - 10A
Issue 1
Technical Data
Component Key:
1 Auxiliary (options)
2 Bucket
3 Dipper
4 Stabiliser
5 Stabiliser
6 Boom
7 Slew
8 Auxiliary relief valves
9 Anti-cavitation valve
10 Load sense relief valve
11 Flow regulator valve
12 Hydraclamp solenoid
13 Inlet port
14 Tank port
15 Service ports
bar kgf/cm
2
lbf/in
2
Auxiliary Relief Valves (A.R.V.)
Boom Ram Head Side 245 250 3550
Boom Ram Rod Side 350 355 5000
Bucket Ram Head Side 255 260 3700
Bucket Ram Rod Side 255 260 3700
Dipper Ram Head Side 255 260 3700
Dipper Ram Rod Side 255 260 3700
Slew Left and Right 265 270 3850
Load Sense Relief Valve † 250 255 3650
Note: Instructions for pressure testing and adjustment are described in Service Procedures, Loader Valve - Pressure
Testing.
† Note: For pressure testing and adjustment of the load sense relief valve, see Service Procedures, Pressure Testing, Load
Sense Relief Valve.