Service Manual User guide

Pick up the other pressure plate. Hold-
ing the bronze side down, and the
rounded trap slot facing the discharge
side of the pump, install it into posi-
tion over the gears.
Slide the two steel rings over the shafts
and seat them into the recesses in the
pressure plate.
Place the remaining isolation plate in
place on the suction side on top of the
pressure plate. Either side up is right,
but with long end to drive shaft.
Install the retainer ring.
Install the back-up ring.
Install the O-ring as in the bottom of
the pump.
Examine the seal. If it is damaged or if
REASSEMBLY
previous leakage has been evidence,
replace. (See SEAL REPLACEMENT
for detailed instructions.)
Gently wipe the machine surface of
the flange with emery cloth. Wash in
solvent and blow dry.
Install the body O-ring into the groove
in the flange. Use heavy grease to
hold it in place.
Coat the drive gear extension with
heavy grease to protect the lips of the
seal.
Slide the flange over the drive gear
extension and seat it against the pump
body.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
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FIGURE 135
FIGURE 136
FIGURE 137
FIGURE 138