Service Manual

HY13-1521-M2/US Service Manual
General Information Series HB Hydrostatic Transmission
Apply Loctite ™ 242
Threadlocker to the
O.D. of the fan seal
Note: Loctite ™ 242 should
not contact rubber I.D. on
seal.
Press fan seal into top
housing bore
Look for rubber
scraped off by snap
ring groove replace
seal if it has been
damaged
Place a rubber hammer on
top of seal. Use second
rubber hammer drive seal into
cavity flush. Place a 5/8
socket over seal using rubber
hammer drive seal either
below snap ring groove in
bore or .200” deep.
Top housing in now
complete sub assembly
Note: By adding Loctite to the
O.D. of fan seal the snap ring
will not be required.
Install trunnion arm
Lubricate trunnion arm shaft
and insert into and through
the trunnion arm seal.
Install control block
Install control block onto
trunnion arm inside of top
housing.
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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA