Auxiliary/Steering Pump No. 92-7761
(S/N 69999 and Below)
(Fig. 23)
Figure 23
1. Dowel pin 11. Bearing seal 21. Spring
2. Idler gear assembly 12. Backup gasket 22. Back plate assembly
3. Drive gear assembly 13. Wear plate 23. Spool assembly
4. Capscrew 14. Body assembly 24. Plug assembly
5. Shaft seal 15. O-ring seal 25. O-ring
6. Washer 16. O-ring seal 27. Coupling
7. Front plate assembly 17. Relief valve assembly 28. Hex capscrew
8. Needle bearing 18. Plug assembly
9. O-ring seal 19. O-ring
10. O-ring seal (moulded) 20. Disc
Disassembly of Auxiliary/Steering Pump
(Item 7) from back plate (Item 22). Body (Item 14) will
remain with either front plate or back plate.
1. Thoroughly clean outside of pump.
6. If front plate was removed first, remove wear plate
2. Use a sharp tool or marker to mark across front plate (Item 13) from bo
dy gear pockets.
(Item 7), body (Item 14) and back plate (Item 22). This
will assure proper reassembly. 7. Remove drive gear assembly (Item 3) and idler gear
assembly (Item 2) from body.
3. Clamp pump in a vise, with the shaft up.
8. To separate body (Item 14) from plate it remains with,
4. Remove capscrews (Item 28). pu
t drive gear assembly (Item 3) in a bushing and tap
protruding end with a plastic hammer or soft mallet.
5. Remove pump from vise, hold pump in hands and
bump shaft against a wood block to separate front plate 9
. Remove o-ring (Item 9) from front plate and
back plate.
Repairs P
age 4 - 36
Rev. C
Groundsmaster
®
455-D
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