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Section E Hydraulics
9803/8550
Section E
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Issue 7*
Contents Page No.
Technical Data up to machine no. 752462 1 - 1
Technical Data from machine no. 752463 1 - 3
Connecting/Disconnecting Hydraulic Hoses 2 - 1
Hydraulic Contamination
Hydraulic Fluid Quality 3 - 1
Effects of Contamination 3 - 1
Contaminant Standards 3 - 1
Filters 3 - 1
Cleaning Operation 3 - 2
Descriptions
General Description up to machine no. 752462 4 - 1
General Description from machine no. 752463 4 - 2
Auxiliary Gear Pump 6 - 1
Loader Valve
- Neutral Circuit 7 - 1
- Lift Ram Operation 7 - 3
- Crowd Ram Operation 7 - 5
- Relief Valve Operation 7 - 6
Excavator Valve
- Neutral Circuit 8 - 1
- Operation 8 - 2
- Bi-Restrictor Operation 8 - 3
- Slew Operation 8 - 4
- Slew A.R.V. and Anti-Cavitation Operation 8 - 5
- A.R.V. Operation 8 - 6
- Pilot-Operated A.R.V. Pressure Relief Operation 8 - 7
Pressure Reducing Solenoid Valve 9 - 1
Drive Motor Operation 10 - 1
- Brake Operation 10 - 1
Transmission Operation
- Neutral 10 - 3
- Forward 10 - 4
Pumps
Hydrostatic Transmission Problem Solving 11 - 0
Removal and Replacement 11 - 1
Pump/Engine Coupling 11 - 2
Start-Up Procedure 11 - 4
Hydrostatic Pump up to machine no. 751011
Dismantling and Assembly
- Trunnion Covers 12 - 1
- Shaft Seal 12 - 1
- Check Valves 12 - 1
- Separating Front and Rear Pumps 12 - 1
Main Pump Endcaps
- Dismantling and Assembly 12 - 3
- Charge Pressure Relief Valve 12 - 3
Main Pumps
- Dismantling and Assembly 12 - 5
Fault Finding 12 - 7
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