MAINTENANCE
TM60/72/84/100 02/11 Maintenance Section 5-11
© 2011 Alamo Group Inc.
MAINTENANCE
GEARBOX DISASSEMBLY
1. Remove 4 Cover bolts (23) and drain oil from housing.
2. Remove all grease seals (9), (3) and (11) by using screw driver to puncture steel case and then pry out
each seal. Use caution not to scratch housing bores during removal.
3. Remove input shaft retaining rings (2) from both sides of gear housing(1).
4. Remove input shaft (10) by hitting on drive end of shaft. This will remove shaft (10) and rear ball bearing.
(4). Note: Be aware of position of shims (5) and (14) for later use when assembling gearbox.
5. Remove gear (17) and bearing cup and cone(12).
6. Output shaft is retained in housing by crimp nut on bottom end of shaft. Insert screw driver into groove in
output shaft to straighten out crimped portion of locknut (8). Remove locknut (8) from output shaft (20).
7. Install nut (22) on end of output shaft (20). Drive output shaft (20) out of housing (1) by hitting on end of
shaft. Use wood block so nut or threads are not damaged. Shaft will come out top of housing and will have
bearing cone under gear.
8. Remove bearing cone (7) from output shaft (20). Note: Keep any shims (6) between bearing (7) and gear
for later installation.
9. Remove both bearing cones from housing.
1. 1 Housing, Gearbox
2. 2 Snap Ring
3. 1 Cap Ring
4.I 1 Bearing Ball
5. 2 Shim
6. 1 Shim Kit
7. 2 Bearing
8. 1 Locknut
9. 1 Seal, Output
10. 1 Shaft, Input
11. 1 Seal, Input Shaft
12. 1 Bearing
13. 1 Cover, Gearbox
14. 1 Shim
15. 1 Plug, 3/8”
16. 1 Snap Ring
17. 1 Gear, Crown
18. 1 Plate
19. 1 Shim
20. 1 Shaft, Pinion
21. 1 Washer, External Tooth
22. 1 Nut, Castle
23. 4 Bolt. Metric
24. 1 Plug, Breather Dipstick
25. 1 Cotter Pin
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