32 Dealer Service
MAN0577 (6/29/2007)
CENTER GEARBOX REPAIR (FIGURE 15)
NOTE: Replacing gears, shaft, bearings, and seals
may not be cost effective. Purchasing a complete
gearbox may be more economical.
Remove Gearbox from Cutter
1. Disconnect driveline from the tractor PTO and
remove it from center gearbox.
2. Remove dipstick plug (26) and siphon gear lube
from housing through this opening.
NOTE: Flex coupler driveline can not be removed
when center and side gearboxes are bolted in
place.
3. Disconnect and remove flex coupler driveline from
side of gearbox by:
a) Removing six ¾ x 1-1/2 cap screws and ¾ hex
nuts from around center gearbox.
b) Removing tapered cap screw and hex nut from flex
coupler yoke.
c) Rotating gearbox and slide flex coupler from gear-
box shaft.
Figure 15. Center Gearbox Assembly
1. Output shaft
2. Oil seal, 45 x 85 x 10
3. M10 x 1.5P x 30 mm
HHCS
4. Cover
5. Bearing, cup & cone
6. Shim, 45.3 x 65.3
7a. Gear pinion (TS1680)
7b. Gear crown (TS1680Q)
8. Castle nut, M36 x 3
9. Shim, 70.3 x 84.7
10. Shim, 50.3 x 70.3
11. Bearing, cup & cone
12. Bearing, cup & cone
13. Oil seal, 60 x 110 x 112
14. Seal protector
15. Output shaft
16. Cotter pin
17. Castle nut, M40 x 1.5
18. Bearing, cup & cone
19. Cover
20. Input shaft
21. Dust lip, 55 x 90 x 10
22. Bearing, cup & cone
23. Gear crown (TS1680)
24. Spacer
25. 1/4 x 2-1/4 Cotter pin
26. Dipstick, 1/2 x 6.73
