Disassembly and Repair
73
Pump rebuild
I
1
Figure 7.70 - Straightening the Lock Tab.
Figure 7.1 l- Piston U-cup (I) and O-ring
(2%
-2
Figure 7.12 -
Upper Piston Shaft
Components:
7 Retaining Ring
2 Piston Shaft
3 Washer
4 Pump Seal
Disassembly
(continued)
13. Straighten the lock tab on the tab lock washer.
14. Loosen the locking nut and slide the nut and the tab lock washer
away from the pump body.
15. Pull the pump body out of the pump mount. Set the locking nut and
the tab lock washer aside.
16. Inspect the u-cup seal (1) and the o-ring (2) and replace if necessary.
17. Use a retaining-ring tool to remove the retaining ring (1) at the top of
the pump body.
18. Manually stroke the piston shaft (2) up and down to loosen the
washer (3) and pump seal (4). Remove the seal and washer. Inspect
the seal and replace if necessary.
19. Secure the pump body with an adjustable wrench on the wrench
slots.
0 No&on Corporation 1994
All Rights Reserved
P/N 106 701A
41-2300SP - issued l/94
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