TM 5-2420-230-24-1
J-8. FRONT DIFFERENTIAL ASSEMBLY REPAIR.
This Task Covers:
a. Disassembly
b. Assembly
c. Adjustment
d. Follow-On Maintenance
INITIAL SETUP
Test Equipment
Personnel Required
None
MOS 62B, Construction Equipment Repairer
Tools and Special Tools
References
Tool kit, common no. 2, Item 36, Appendix B
None
Tool kit, general mechanics, Item 38, Appendix B
Materials/Parts
Equipment Conditions
Bushing, Item 32, Appendix D
TM or Para
Condition Description
Bushing, pinion, Item 33, Appendix D, (4)
Engine shut OFF.
Nut, self-locking, Item 126.2, Appendix D
Head assembly removed.
Nut, self-locking, Item 126.3, Appendix D
Air chamber removed.
Nut, self-locking, Item 126.5, Appendix D
O-ring, Item 137, Appendix D
Drawings Required
Pin, cotter, Item 170.1, Appendix D
TM 5-2420-230-24P Figure 98
Pin, cotter, Item 174.1, Appendix D
Seal, plain encased, Item 250, Appendix D
Estimated Time to Complete Task
Washer, lock, Item 290.2, Appendix D
Refer to MAC in Appendix B
a. Disassembly.
(1)
Refer to page J-70 for the disassembly of the bevel pinion assembly.
(2)
Refer to page J-70 for the disassembly of the differential and gear casing assembly.
(3)
Refer to page J-71 for the disassembly of the differential lock.
b. Assembly.
(1)
Refer to page J-72 for assembly of differential lock assembly.
(2)
Refer to page J-73 for assembly of bevel pinion sub assembly.
(3)
Refer to page J-75 to assemble pinion unit.
(4)
Refer to page J-77 for initial preparation of differential.
(5)
Refer to page J-78 to install bevel pinion into differential.
c. Adjustment.
(1)
Refer to page J-79 to set "No End Float" condition.
(2)
Refer to page J-79 to set the backlash.
(3)
Refer to page J-74 to check pinion bearing pre-load.
(4)
Refer to page J-81 to check pinion mesh.
d. Follow-On Maintenance.
(1)
Install air chamber (Para J-9).
(2)
Install head assembly (Para J-7).
END OF TASK
Change 1