MCi Crusader II 1989 Maintenance Manual page 370

Date
1-1-89
Page ____
1_1-_2_s _ _
MC-9 MAINTENANCE MANUAL
POWER STEERING PUMP
The power steering pump is gear driven and mounted on the
flywheel housing. Refer to figure 11-103. It is a balanced vane
pump with a constant delivery per revolution and a capacity of 4
gallons (15.2 liters) per minute at idle speed. The maximum
pump relief pressure is 1,500 psi (10,350 kPa).
REMOVAL AND INSTALLATION
The pump is accessible through the right hand engine com-
partment door. It is removed by disconnecting the outlet hose
and removing the inlet at the rubber hose connecting pump
inlet to reservoir outlet Then remove the two mounting bolts.
The mounting flange gasket should be replaced whenever the
pump is removed. To install the pump, reverse the above
procedure.
2
26
16
7
r
Ji
2,?~0
19
201/
DISASSEMBLY
During the disassembly, special attention should be given to
identification of parts for proper reassembly. (See figure 11-104).
1.
Using a suitable cleaning solvent, thoroughly clean the
exterior of the power steering pump to prevent entry of dirt or
other foreign matter into the pump during overhaul procedures.
2. Remove the three manifold capscrews (24) and washers
(25).
3. Remove manifold (26); remove and discard manifold
gasket (10).
4. Remove cover mounting capscrews (22) and separate
the ceyer from the pump body
(11).
5.
Remove pressure plate spring
(18)
and pressure plate
(17).
6. Remove pump ring (15) locating pins (16), rotor (13) vanes
(14)
and the two 0-rings
(7 & 8).
1.
Retaining Ring 15. Ring
2. Key 16. Pin
3. Shaft 17. Pressure Plate
4. Bearing
18.
Spring
5. Retaining Ring 19. Plug
6.
Shaft Seai
20. Control Valve
7. 0-ring • Small, Body 21. Spring
8. 0-ring - Large, Body 22. Capscrew
9. 0-ring • Control Valve 23. Pin
10. Gasket 24. Capscrew
11. Body 25. Washer
12 .. Bearing - Body 26. Manifoid
13. Rotor
27. Plug • Manifold
14. Vane
28. Cover
Figure 11-104. Power Steering Pump.
fl