TM 9-2320-289-34
6-8.
FRONT AXLE DIFFERENTIAL MAINTENANCE (ALL EXCEPT M1009) (Con’t).
W A R N I N G
Compressed air used for cleaning purposes should never exceed 30 psi
(207 kPa). Use only effective chip guarding and personnel protective
equipment (goggles/shield, gloves, etc.). Failure to follow this warning
may result in serious injury to personnel.
1 .
Clean and inspect side bearings in accordance with TM 9-214.
2 .
Clean all removed components with dry cleaning solvent and dry with compressed air.
3 .
Inspect differential case for cracks, scoring or signs of damage to machined surfaces.
Remove any nicks or burrs found. Replace if cracked or scored, or if nicks or burrs cannot be
removed.
4 .
Inspect side bearing shims. Obtain replacement shims of same thickness if damaged.
5.
Inspect teeth of pinion and side gears for damage. If one gear is damaged, replace all 4 gears
and thrust washers.
NOTE
If ring gear is replaced, ring gear bolts, and drive pinion must also be
replaced. (See paragraph 6-9)
6 .
Inspect ring gear for damage. Replace if damaged.
7 .
Inspect clutch pack plates, retainer clips, and discs for wear, cracks, or scoring. If one
member of either clutch pack is worn, cracked, or scored, replace both clutch packs.
8 .
Inspect 2 axle shaft seals in housing side bores. Remove and discard if damaged.
d .
ASSEMBLY
NOTE
l Ensure that all differential components are lubricated with lubricating
oil as they are assembled.
l If assembling M1008 or M1010 front axle differential, perform steps 5,
6, 8, and 9.
l If assembling M1028, M1028A1, or M1031 front axle differential,
perform steps 1-4 and steps 6-9.
1.
Install dished spacer (22) on each side gear (16). Starting with a disc (21) and alternating,
install 4 clutch plates (19) and discs, Install 2 retainer clips (20) to each clutch pack.
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