Service Manual

HY13-1521-M2/US Service Manual
General Information Series HB Hydrostatic Transmission
Carefully assembly top
housing to end block
Slip pump shaft through the
center hole of swash block
Hand tighten bolts
While holding the top housing
level to end block hand start
each of the six bolts with
socket to secure both the top
housing and end block
together.
Torque all six hex head
bolts
Going diagonal from each bolt
torque to 300 – 336 in lbs.
Install filter
Lightly oil filter O- ring and
insert into end block hand
start until snug.
Torque filter
Torque filter to 108 – 114 in
lbs.
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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA