60H5E11
7
Checking the reservoir and gear pump
unit
1. Clean all the valves, pistons, balls, and fil-
ters. Check them for damages or wear.
Check the gear pump for damages or wear.
Replace them if necessary.
60h70680
Assembling the reservoir and gear
pump unit
Reinstall the components and parts in their
original direction and position.
1. Install a new O-ring
1
, the up-relief valve
seat
2
, balls
3
, and absorber valve pin
4
, and spring
5
on the pump housing.
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2. Install new O-rings
6
on the main valves
7
. Then, attach them on the pump hous-
ing.
60h70700
3. Install the gear pump
8
.
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4. Install the balls
9
, shuttle pistons
0
, and
balls
A
into the gear pump cover.
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NOTE:
Apply grease to the balls and shuttle pistons
to prevent them from falling out of the gear
pump.
PTT motor and Reservoir
7-30