Service Manual
Install the springs, piston washers and pistons into the
cylinder block. The pistons must move freely in their
bores.
Cylinder
Block
Kit
Components
Install
Pump
Cylinder Block
Kit
Install
End
Cap
With the pump swashplate in the "neutral"
(0
angle)
position and ;he pump housing laying on
its
side, install
the pump cylinder block
kit
onto the pump shaft in the
housing.
Check that the piston springs are centered in the cylinder
block bores.
If
necessary, position them with
a
small
screwdriver.
Install the two
(2)
aligning pins, and install a new end cap
gasket onto the housing.
Lubricate the running surfaces
of
the end
cap
and
cylinder blocks. Position the housing with the housing
opening UP,
and
install the end cap onto the housing.
When the end
cap
is properly installed, the internal
springs
will
hold
it
away from the housing approximately
3/8
in.
Install the four
(4)
screws which retain the end cap to the
variable pump housing. Toque the screws evenly to
15-
20 ft.
Ibs.
Rotate the shaft to assure
correct
assembly. When
properly assembled, minimal torque should
be
required
to
turn the shaft.
Wrap the end, of the displacement control shaft with thin
plastic to prevent damage to the
seal
lip during installa-
tion. Lubricate the new displacement control shaft seal
with petroleum jelly. Slide the
seal
over the shaft and
press
it
into the housing bore. Be careful not to damage
the seal.
Assemble the following components as described in the
"Minor Repair” section of this manual:
Charge Pump
Charge Check Valves
Bypass
Valve
BDP
Service
Manual
Page
15