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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 pump shaft and
bearing assembly
1. Tap top of shaft with a rubber mallet to
loosen.
Remove shaft and bearing
Remove trunnion arm
Once shaft is free from the housing
assembly, remove the shaft seal.
2. Pull pump shaft out of top of pump
housing
3. Keep assembly level, HT-1000™ to
avoid
damaging shaft and housing.
1. Gently push trunnion arm with hand.
2. Pull trunnion arm out from inside of
pump.
Remove trunnion arm seal
Position the flat edge of a screwdriver under
the lip of seal and lift outward.
Be careful not to score the edges of
housing while removing trunnion arm seal.
