Company Brush Cutter User Manual

Dealer Service 31
MAN0963 (2/16/2012)
16. Check that the gear backlash is between 0.006"
and 0.016". You should not have to adjust the
backlash.
17. Press in input oil seal (19), using tube of correct
diameter. Be careful not to damage seal lip.
18. Press oil cap (20) on to cover the rear of housing,
using a tube of the correct diameter.
19. Place top cover (22) on top of housing and secure
with six cap screw (23).
20. Check gearbox housing for leaks by plugging all
holes except one. Apply 4 psi compressed air and
immerse the gearbox in water to verify that there
are no leaks.
21. Remove gearbox from water and dry off with
compressed air. Add SAE 80W or 90W EP oil until
it runs out of side level hole. Tighten all plugs.
Reinstallation
NOTE: Gearbox is heavy: do not attempt to move with-
out mechanical assistance.
1. Set gearbox on cutter and fasten with bolts and
nuts. Torque bolts to 300 lbs-ft.
2. Attach crossbar (Crossbar Installation, page 37).
Figure 14. Style B Gearbox
1. Crown gear
2. Gearbox housing
3. Input shaft
4. Output shaft
5. Gear pinion
6. Bearing
7. Input bearing
8. Protective seal
9. Cotter pin
10. Snap ring
11. Snap ring
12. Shim, 45.3 x 2.5
13. Shim, 70.3 x 84.7
14. Nut
15. Castle nut
16. Shim, 50.3 x 70.3
17. Shim
18. Oil seal (Vertical Shaft)
19. Oil seal (Horizontal Shaft)
20. Cap
21. Bearing
22. Top Cover
23. Cap screw 8 mm x 16 (8.8)
24. Vent plug
25. Cotter pin
26. Washer
27. Side plug