REAR AXLE DIFFERENTIAL MAINTENANCE (ALL EXCEPT M1009).
This task covers:
c. Cleaning and Inspection
l Rear axle shafts removed.
(See TM 9-2320-289-20)
l Wrench nut (differential), J-24429
l Dial indicator
l Puller kit
l Spring tester
l Torque wrench
l TM 9-214
General Safety Instructions
One differential cover gasket
Dry cleaning solvent
(Item 23, Appendix B)
Prussian blue dye
(Item 24, Appendix B)
Gear lubricating oil
(Item 44, Appendix B)
Wiping rags (Item 53, Appendix B)
l Dry cleaning solvent is flammable and must not be used near open flame. Use only in a
Compressed air used for cleaning purposes should never exceed 30 psi (207 kPa).
l Tightly hold differential case assembly together to absorb spring pressure during removal and
installation of ring gear bolts.
When removing differential cover bolts, location of clips Should be noted.
Place a suitable container under housing. Remove 14 bolts at differential cover and move vent
tube bracket, brake line and bracket, and proportioning valve lever out of the way. Remove
differential cover and allow all lubricating oil to drain. Remove gasket, if present, and discard.
Ensure that bearing caps (1) are marked for installation in same position.
Remove bolt (2), washer (3), and adjusting nut lock (7) from each bearing cap (1), Remove 4
bolts (5), Iockwashers (6), and 2 bearing caps. Discard Iockwashers.
Loosen 2 adjusting nuts (8). Remove differential case (9) assembly from housing. Remove 2
bearing cups (10) from differential case assembly side bearings (11) and tag for installation.