3 - 22
Section E Hydraulics
9803/7130
Section E
3 - 22
Issue 1
Basic System Operation
Hydraulic System Schematic
2CXU, 212SU Utility
Component Key
1 Tank
1A Tank cap
1B Filter with bypass
1C Suction strainer
2 Main pump
3 Loader valve block (2 or 3 spool)
3A Loader shovel spool
3B Loader lift spool with float
3C Auxiliary /Quick Hitch spool
3D Main relief valve
3E Shovel ram head side A.R.V.
3F Shovel ram rod side A.R.V.
3G Auxiliary /Quick Hitch ram head side A.R.V.
3H Auxiliary /Quick Hitch ram rod side A.R.V.
3J Load hold check valves
4 3 point hitch valve block
4A Lift/lower/float spool
4B Pitch spool
4C Tilt spool
4D Auxiliary spool
4E Lift A.R.V.
4F Tilt A.R.V.
4G Load hold check valves
5 Priority valve
6 Filter gauze
7 Cooler
7A Check valve (5 bar)
8 Pressure test connectors
9 Steer unit
9A Steer relief valve
9B Steer shock valves
10 Steer setting valve
11 Rear steer ram
12 Front steer ram
13 Smooth ride selector valve
14 Accumulator
16 Auxiliary attachment quick release couplings
17 Loader hydraulic quickhitch
18 Loader quickhitch locking valve
19 Shovel ram R.H.
20 Shovel ram L.H.
21 Lift ram R.H.
22 Lift ram L.H.
26 Auxiliary ram
27 Tilt ram
28 Pitch ram
29 Lift ram
30 2/4 wheel steer selector valve
40 Anti-cavitation valve
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