Section E Hydraulics
9803/8550
Section E
ii ii
Issue 7*
Contents Page No.
Pumps (cont’d)
Hydrostatic Pump from machine no. 751012
Removal and Replacement
- Shaft Seal 12 - 9
Dismantling and Assembly
- Charge Check and High Pressure Relief Valves 12 - 10
- Charge/Anti-stall Valve 12 - 11
Charge Pressure Adjustment 12 - 11
Pump Neutral Adjustment 12 - 12
Fault Finding 12 - 13
Auxiliary Pump
Removal and Replacement 12 - 1
Dismantling and Assembly (standard) 12 - 17
Dismantling and Assembly (high-flow) 12 - 19
Drive Motors
Removal and Replacement
- Drive Sprocket 13 - 1
- Motors 13 - 1
Dismantling and Assembly
- Motors up to machine number 751011 13 - 3
- Motors from machine number 751012 to 807172 13 - 5
- Motors from machine number 807173 13 - 8
Valves
Loader/Excavator Circuit Problem Solving 14 - 0
Loader Valve
- Removal and Replacement 14 - 1
- Dismantling and Assembly 14 - 2
Main Relief Valve and Auxiliary Relief Valves
- Removal and Replacement 14 - 4
- Dismantling and Assembly 14 - 4
Pressure Testing
- M.R.V. - In Position 15 - 1
- A.R.V. - Using Hand Pump 15 - 2
Check Valve 16 - 1
Excavator Valve
- Dismantling and Assembly 17 - 1
Hydraclamp Valve
- Dismantling and Assembly 18 - 1
Pressure Reducing Solenoid Valve
- Removal and Replacement 19 - 1
- Dismantling and Assembly 19 - 1
- Adjusting the Pressure Reducing Valve Cartridge 19 - 2
Brake Valve (from machine no. 752463) 19 - 3
Servo Joysticks
Removal and Replacement 20 - 1
Dismantling and Assembly up to machine no. 807146 20 - 2
Dismantling and Assembly from machine no. 807147 20 - 4
Rams
Typical Ram
- Dismantling and Assembly 22 - 1
Hydraulic Filter
Removal and Replacement 25 - 1
Suction Strainer
Removal and Replacement 27 - 1
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