Vehicle Systems Disassembly & Assembly
Disassemble And Assemble
Hydraulic Pump
1. Position the pump vertically in the vise with the
drive shaft facing down, and tighten the vise. Do
not over-tighten. Take care to avoid damaging
machined surfaces. Make a reference mark
vertically down the pump to enable you to
reassemble the pump sections in the same
position.
2. Use a wrench to remove four screws (1).
3. Remove the cover (2). Take care not to damage
precision machined surfaces.
4. Remove the bush (3) and examine it carefully.
Replace if damaged.
5. Remove seal (4) and backup seal (5) from the
bush.
6. Remove O-ring (6) from the body (7).
7. Carefully remove the drive gear (8) and idler gear
(9). Take great care not to strike the shafts against
hard surfaces which could damage the gear teeth.
8. Remove the pump body (7). Take care not to
damage precision machined surfaces. Carefully
examine all components. Replace any damaged or
worn ones.
34
IACD239P
IACD240P
IACD241P
IACD242P
IACD243P
IACD244P
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