Toro Groundsmaster 455-D Service Manual page 116

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