Service Manual

HY13-1521-M2/US Service Manual
General Information Series HB Hydrostatic Transmission
Oil nose cup ID
Note: If assembly does
not have motor o-ring
skip this process.
Use OEM recommended oil to
lube the ID of the nose cup
where the motor O-ring will be
located.
Install wheel motor into
nose cup
Position the motor tube holes
of the wheel motor casting
over the two oil pipes. Press
down on motor mounting
flange to seat the oil pipes in
the ports until the ends of the
pipes rest on the oil port
shoulders.
Install pump pulley
Place pulley onto pump shaft
as shown.
Washer
Place washer on top of pulley.
Lock nut
Use Loctite ™ 242 on threads
of nut. Hand start the lock nut
onto shaft.
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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA