PGP/PGM 300 Series
Service Manual HY09-SM300/US
6
Parker Hannifin Corporation
Gear Pump Division
Youngstown, OH
7) Carefully lift or pry off
the bearing carrier to
prevent damage to
contact face and edges.
Dowel pins will remain in
either the bearing carrier
or the gear housing.
DO NOT REMOVE THEM.
For multiple assemblies only
8) Remove the
connecting shaft.
Remove the thrust plate.
Examine and replace if
necessary. (See page
10). Remove the driven
gear and the integral gear
and drive shaft. Keep
these together as they
are a matched set.
Examine and replace if
necessary. (*See page
10). Be careful not to
damage the machined
surfaces of the gears.
9) Lift or pry off the first
section gear housing. Be
careful not to damage
machined surfaces.
Examine and replace if
necessary (see page 10).
13) Grip the shaft end
cover in a vise with the
mounting face down.
Remove double lip seal
by inserting the special
seal removal tool (see
Tool List) into the notch
between the double lip
seal and the shaft end
cover. Tap the seal out
and discard.
Remove and discard all
rubber and polymer seals.
12) Use a bearing puller
to remove the outboard
bearing.
10) Inspect all bushings
for scoring or
discoloration and
replace if necessary.
Use a bushing puller as
shown in the tool list to
remove bushings (see
page 4).
11) If the pump is
equipped with an
outboard bearing, place
the shaft end cover in
the vise with the
mounting face up.
Remove the snap ring
with snap ring pliers. If a
unit is equipped with a
spiral-lock retaining ring,
remove with a small
screwdriver or awl.
