TM-9-2320-285-24-1
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-1 - Page 60 of 987
TM 9-2320-285-24-1
2-12.
ENGINE MAINTENANCE
a.
Engine Servicing.
This task provides a summary of the tools, materials/parts, personnel required, and
procedures that must be performed when servicing the engine.
INITIAL SETUP:
Tools
No.
1 Common Organizational Maintenance
Oil filter
FSCM 72582 PN 25010495
Tool Kit
External oil
Socket wrench set
filter pack
FSCM 37099 PN 2095
Adjustable open end wrench
Cover gasket
FSCM 37099 PN 2788
Screwdriver
Primary fuel
Strap type filter wrench
filter element
FSCM 72582 PN 25010778
Secondary fuel
Materials/Parts
filter element
FSCM 72582 PN 2501776
Cleaning solvent
Item 1, Appendix C
Air filter
FSCM 21585 PN C45800
Clean cloths
Item 2, Appendix C
Precleaner
FSCM 21585 PN
L60308
Engine oil
Item 24, Appendix C
Antifreeze
Item 25, Appendix C
Personnel Required
Battery
Wheel Vehicle Mechanic MOS 63B
electrolyte
Item 36, Appendix C
Troubleshooting
Task
Task
Task
Ref.
No.
No.
Ref.
(para)
1.
Maintain engine crankcase oil level
2-12b
2-8
2.
Maintain coolant level
2-15a(l)
2-11
3.
Maintain battery electrolyte level
2-34a
2-23
4.
Sample engine oil
2-12f
2-8
5.
Drain and refill crankcase
2-12b
2-8
6.
Replace engine oil filter element
2-12c
2-8
7.
Replace external oil filter pack
2-12d
2-8
8.
Replace fuel filter elements
2-13c
2-9
9.
Replace air cleaner element and precleaner
2-13a
2-8
10.
Adjust drive belts
2-15d
2-11, 2-48
2-24
2-17
11.
Replace coolant filter
2-15b(1)
2-11
12.
Replace ether starting aid cylinder
2-13d
2-8
2-37
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