TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996
TM-9-2320-280-34

  TM-9-2320-280-34 - Page 283 of 1258

TM 9-2320-280-34
4-9.
FUEL INJECTION PUMP COLD ADVANCE SOLENOID MAINTENANCE
This task covers:
a.
Removal
c.
Installation
b.
Inspection
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2815-237-34P
automotive (Appendix G, Item 1)
Equipment Condition
Materials/Parts
Fuel injection pump shutoff solenoid removed
Two lockwashers (Appendix E, Item 80)
(para. 4-8).
Locknut (Appendix E, Item 45)
0-ring (Appendix E, Item 98)
Maintenance Level
Two fiber washers (Appendix E, Item 14)
Direct support
NOTE
Working area should be clean, well-ventilated, and free from
blowing dirt and dust.
a.
Removal
1.
Remove terminal (1), washer (2), and ribbed shell (3) from stud (15).
2.
Remove nut (4), lockwasher (5), washer (6), and fiber washer (7) from stud (15). Discard lock-
washer (5) and fiber washer (7).
3.
Remove locknut (11), nut (4), lockwasher (5), washer (6), and fiber washer (7) from stud (12).
Discard lockwasher (5), locknut (11), and fiber washer (7).
4.
Remove check valve (9) and O-ring (8) from cover (10). Discard O-ring (8).
5.
Remove cold advance solenoid (13) and plunger (14) from cover (10).
6.
Remove plunger (14) from cold advance solenoid (13).
b.
Inspection
Inspect ribbed shell (3) for deterioration, cracks, or damage. Replace if cracked, deteriorated, or damaged.
c.
Installation
1.
Install plunger (14) in cold start advance solenoid (13). Install stud (15) in hole in rear of cover (10).
2.
Install O-ring (8) and check valve (9) in cover (10).
3.
Install cold start advance solenoid (13) in cover (10) so small tip of plunger (14) fits in port of check
valve (9) and stud (12) fits through hole in side of cover (10).
4.
Install fiber washer (7), washer (6), lockwasher (5), nut (4), and locknut (11) on stud (12).
5.
Install fiber washer (7), washer (6), lockwasher (5), and nut (4) on stud (15).
6.
Install ribbed shell (3), washer (2), and terminal (1) on stud (15).
4-18


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