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TM 5-2420-222-34
8-7.
DIFFERENTIAL ASSEMBLY MAINTENANCE.
This Task Covers:
a.
Removal
d.
Repair
b.
Disassembly
e.
Assembly
c.
Cleaning and Inspection
f.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Transmission removed (see paragraph 8-2).
•
Prussian blue dye (Item 14, Appendix B)
•
Transmission top cover removed (see
•
Hydraulic fluid (Item 15, Appendix B)
paragraph 8-12 or 8-13). •
Rags (Item 28, Appendix B)
•
Differential lock mechanism removed (see
•
Dry cleaning solvent (Item 31, Appendix B)
paragraph 8-9). •
Shim, 0.003 in. thick (as required)
•
Parking brake band and lining removed (see
•
Shim, 0.005 in. thick (as required)
paragraph 10-1). •
Shim, 0.010 in. thick (as required)
Tools/Test Equipment:
General Safety Instructions:
•
General mechanic's tool kit
•
Dry cleaning solvent is flammable and must not be
•
Field automotive shop set
used new open flame. Use only in a well-ventilated
area
References:
•
TM 9-214
a.
REMOVAL
WARNING
Use extreme caution when handling heavy parts. Lifting device is required when
parts weigh over 50 lb. (23 kg) for a single person lift, over 100 lb. (45 kg) for a two
person lift, and over 150 lb. (68 kg) for a three or more person lift. Keep clear of
heavy parts supported only by lifting device. Failure to follow this warning may
cause serious injury or death to personnel.
1.
Attach lifting device to differential gear assembly (4).
2.
Remove ten bolts (1) from left and right differential quills (2 and 6).
NOTE
Record position and number of shims for each differential quill to ensure proper
Installation.
3.
Pry left and right differential quills (2 and 6) and shims (3) from differential gear assembly (4) and transmission (5).
4.
Using lifting device, remove differential gear assembly (4) from transmission (5). Remove lifting device from
differential gear assembly.
8-34
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