4. Press the shaft seal firmly in place end lubricate the lip
in the cover bore. Remove burrs from the valve by polish-
with petroleum jelly or other grease compatible with the
ing, but do not round off the corners of the lends. Do not
system fluid. Slide the drivesheft into the body until the
attempt to rework the valve bore. If the bore is damaged,
bearing is seated. Tap lightly on the end of the shaft if
replace the cover.
necessary . Install the snap ring.
REASSEMBLY. To reassemble the pump, proceed es fol-
6. Install new O-ring in the body end cover. Insert the ring
locating pins in the body end assemble the ring so that the
1. Coat all parts with hydraulic fluid to facilitate assembly
arrow on the perimeter points in the proper direction of
and provide intial lubrication. Use smell amounts of
rotation. Check the assembly against Figure 10-11. Install
petroleum jelly to hold O-ring in place during assembly.
the rotor on the shaft end insert the vanes in the rotor slots.
Be certain the radius edges of the vanes are toward the cam
During handling end shipping of the precision me-
chined cartridge parts, it is possible to raise burrs on
the sharp edges. All sharp edges on the parts of a new
The O-ring, ring, rotor, or vanes should not be re-
cartridge kit should be stoned prior to installation.
newed separately. Renew these parts es a cartridge
2. Install the valve in the cover bore, smell lend first. Then
install the spring end pipe plug.
6. Place the pressure plate on the locating pins end flat
against the ring. Use a smell amount of petroleum jelly or
3. Press the shaft into the front bearing while supporting
grease to stick the spring in the recess in the pressure plate.
the bearing inner race. Next, press the inner bearing into
Carefully install the cover with the outlet port in the cor-
the body, using a driver which contacts the outer race only.
rect position. Tighten the cover screws to 76-85 foot-
Be certain both bearings are firmly seated.
pounds (10.3725-11.7555 m/kg) of torque. Turn the shaft
by hand to insure that there is no internal binding.
Before assembling the shaft seal, determine the cor-
INSTALLATION - ENGINE MOUNTED. To install the
pump on the carrier engine. proceed es follows:
Double lip seals em assembled with the spring toward
the pumping cartridge. Single lip seals have two pres-
1. Place a new gasket on the mounting flange of the pump.
sure holes, which are assembled toward the shaft end
2. Fasten pump to the engine with the mounting bolts.
of the pump.
Figure 10-10. Hydraulic Pump