1600 SRM 974
Steering Pump and Motor Assembly
Install
1.
Align the splined shaft of the pump with the mo-
tor and install the pump.
2.
Install the two capscrews and lockwashers to re-
tain the pump to the motor.
Disassemble
1.
Disassemble the fittings, elbows, and O-rings
from the pump body. See Figure 9.
WARNING
Be careful when removing or installing snap
rings. These snap rings can come loose dur-
ing removal or installation with enough force
to cause an injury. Always use the correct snap
ring pliers and wear eye and face protection
during removal and installation.
2.
Use a pair of snap ring pliers and remove the
snap ring retaining the shaft seal to the drive
gear shaft. Remove the shaft seal.
3.
Mark the flange, pump body, and load-sensing
valve assembly for orientation during assembly.
4.
Remove the four capscrews from the pump body.
Separate the mounting flange and the end cover
from the pump body. Remove the backup rings,
seals, bushings, and O-rings.
5.
Remove the idler gear and drive gear.
6.
Inspect the drive gear, idler gear, and the pump
body for damage. If any of these parts are dam-
aged, the pump must be replaced with a new
pump. All seals, O-rings, backup rings, and snap
ring must be replaced if the present pump is to
be used.
NOTE: The manufacturer does not recommend ser-
vicing the individual components within the load-
sensing valve assembly.
1.
CAPSCREW
2.
SNAP RING
3.
SHAFT SEAL
4.
FLANGE
5.
BACKUP RING
6.
SEAL
7.
BUSHING
8.
O-RING
9.
DOWEL
10. PUMP BODY
11. IDLER GEAR
12. DRIVE GEAR SHAFT
13. LOAD-SENSING VALVE ASSEMBLY
14. PRESSURE RELIEF VALVE
Figure 9. Power Steering Pump
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