TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 532 of 951
4-122. COMPRESSOR/HEATER FUEL PUMP WIRING HARNESS REPLACEMENT
(M997, M997A1, M997A2)
This task covers:
a. Removal
b.
Installation
a. Removal
1.
Disconnect harness leads (1) from control box leads 436D (3) and 723B (2).
2.
Remove capscrew (4), lockwasher (5), washer (6), and clamp (7) from AC line clamp (8) and
body (9). Discard lockwasher (5).
3.
Remove six screws (10), clamps (11), and harness (12) from body (9) and “B’’ beam (13).
4.
Deleted.
5.
Remove grommet (16) from harness (12) and tunnel (17).
6.
Remove locknut (32), washer (31), screw (27), and clamp (28) from fuel line clamp (29), body
bracket (30) and harness. Discard locknut (32).
7.
Remove locknut (22), washer (23), capscrew (33), and washer (23) from harness ground (34) and
fuel pump (26). Discard locknut (22).
8.
Remove nut (21) and lockwasher (20), and ground terminal (19) from ground stud (18). Discard
lockwasher (20).
9.
Disconnect harness lead (24) from fuel pump lead (25).
10.
Remove screw (35) and clamp (36) from harness (12) and body (9).
Manual References
TM 9-2320-280-24P
Equipment Condition
• Passenger seat back removed (para. 10-45).
• Heater fuel pump removed (para. 11-194).
TM 9-2320-280-20-2
4-286
Change 3
NOTE
Prior to removal, tag leads for installation.
INITIAL SETUP:
Applicable Models
M997, M997A1, M997A2
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two lockwashers (Appendix G, Item 133)
Two locknuts (Appendix G, Item 70)
Lockwasher (Appendix G, Item 178)
Two assembled locknuts (Appendix G, Item 131)
Two tiedown straps (Appendix G, Item 308)
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