NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 3-2
CHAPTER 2 MAINTENANCE
AUGUST 31, 2008
3 REMOVAL AND INSTALLATION
6. Remove oil seal.
7. Use a soft hammer and tap housing gently, exerting pressure on drive
pinion to remove pinion and cage assembly from axle housing.
8. Bend back the soft metal lock on outer nut.
9. Remove outer nut and metal lock.
10 . Remove inner nut and thrust washer.
13 . Cut lock wire, remove , and separate case halves.
15 . Separate bevel gear from case (if required) by removing , washers, and
nuts.
necessary.
3.1.2 Disassembly of Wheel End
See exploded parts illustration in chapter 4.
1. Remove axle according to 3.1.
3. Remove the 16 from planetary spider assembly cover.
4. Using puller holes, remove planetary spider assembly.
5. Remove the three (3) planetary gears.
6. Inspect bronze planetary shafts for wear. If wear is excessive, replace
shafts. This can be done by removing setscrews and pressing out shafts.
7. Remove axle shaft and sun gear (note integral part).
8. Remove planetary ring gear.
9. Remove hub bearing adjusting nut.
10. Remove hub and drum assembly.
11.Remove, clean, and reinstall drive axle breathers. Replace if corroded.
NOTE: When removing hub and drum assembly, always replace hub oil seal.
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