C – Anti-cavitation valve F – Shaft seal
Shaft Seal Replacement
The shaft seal is serviceable. Orient the motor on the work surface so the shaft is pointing up.
Removal
1. Using snap-ring pliers, remove the outer snap-ring (B110).
2. Remove the washer (B100)
3. Use 2 screwdrivers to remove the shaft seal (B90). Discard the seal.
Caution
Do not damage the housing bore, shaft or bearing when removing the seal.
Inspection
Inspect the housing bore, shaft and bearing. If you find any defect, replace damaged component.
Reassembly
1. Press the shaft seal (B090) with seal installation tool into housing.
2. Install the remaining washer (B100).
3. Install the remaining snap-ring (B110).
Shaft seal assembly
High Pressure Relief Valves (HPRV)
Removal
Using a 12 mm internal hex wrench, remove the HPRVs (G090). Remove and discard the O-rings
(G090A).
Inspection
Inspect the sealing surfaces in the motor for nicks or scratches. Check the valves for damage. Replace
any damaged components.
Service Manual
TMM Transit Mixer Axial Piston Motor, Size 070/084/089
Minor Repair
24 L1211037 • Rev AC • Apr 2014
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