Service Manual
Disassembly Procedures
Remove the brake rotors and stators by sliding one at
a
time
off
of the end of the splined motor shaft.
Removal and Inspection
of
Brake Rotors
Inspect each side of both rotors for excessive wear or
damage.
Inspect the rotors internal splines for excessive wear or
damage.
Inspect the stators for excessive wear and damage.
Replace rotors and stators as a complete
kit
if
excessive
wear or damage is found, and inspect
all
other mating
parts.
Remove the oil filter. After inspecting the filter for unusual
particles that
it
may have trapped, dispose of
it
properly
and replace it with a new oil filter during reassembly.
Using a
9/16”
socket (or box end) wrench, remove the
three assembly bolts retaining the center section in the
upper housing.
CAUTION: The pump and motor piston springs may
push the center section assembly
out
of
position
while you remove these
bolts.
Remove Center Section Assembly
Remove the center section assembly from the housing.
The pump block assembly should remain in the upper
housing on the input shaft, but may stick to the center
section. Check the check valve plate
bolt
torque, but do
not remove. Two styles of check plates have been used,
one
has three bolts while the other has four. The one with
four bolts should be torqued from
170
to
240
in.lbs. while
the one with three
bolts
should be torqued from
135
to
185
in. Ibs..
CAUTION: The aligning pins, motor shaft, bypass
plate, pump
block
and motor block assemblies are
NOT retained to the center section or the upper
housing and may become separated from the as-
sembly during removal.
Remove
Oil
Filter
Center Section
/
Motor Shaft
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