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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA
HY13-1524-002-M1/US
Assembly
Service Manual
HTG Series Integrated Hydrostatic Transmission
HY13-1528-001-M1/US—HTG Series Service Manual
Reassembly
Step
Instruction
Illustration
Install valve cap.
Torque valve caps.
1. Capture springs into valve caps.
2. Hand tighten valve caps.
3. Repeat shock valve, springs and valve
cap installation on other side.
Torque both caps to 21-24 ft-lbs.
Install port plate.
1. Make sure endblock is free of debris and
Apply HT-1000™ oil on the face of end-
block which will provide some suction
and keep the port plate in place during
reassembly.
2. Place port plate onto endblock with the
bronze side facing up.
3. Align the port plate to both dowel pins.
Place endblock into top
housing.
Install endblock.
Insert endblock bolts.
1. Align the endblock to the bolt holes and
push the endblock down.
2. The endblock should spring back, con-
firming that the rotating group pistons
and springs are still in place.
3. Make sure the port plate stays in place
while aligning and installing the end-
block.
While holding the port plate in place, put
endblock assembly into the top housing.
Insert and tighten bolts in a cross pattern.
