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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA
HY13-1524-002-M1/US
Disassembly & Inspection
Service Manual
HTG Series Integrated Hydrostatic Transmission
HY13-1528-001-M1/US—HTG Series Service Manual
Disassembly and Inspection
Step
Instruction
Illustration
Remove charge pump cover
Remove gerotor set
1. Inspect inside of charge pump cover for
any scoring.
2. Replace if necessary.
1. Remove both the charge pump rotor and
stator.
2. May need to use a flathead screwdriver
to assist in prying.
3. Inspect for any damage either on the
tips of rotor or stator lobes. Replace if
necessary.
Remove four endblock screws
2. Inspect the threads on each bolt for
damage.
1. Using 5/16” hex head, loosen the
endblock screws.
Remove endblock
1. Lift out the entire endblock.
2. The port plate and endblock face may
stick together and need some gentle
prying.
