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 607 of 951
5-15. MODULATOR LINK REPLACEMENT (3L80)
This task covers:
a. Removal
b. Installation
a. Removal
1.
Pull off cable clip (6) from modulator link pin (5).
2.
Remove two capscrews (1) and bracket (2) from cylinder head (10).
3.
Loosen rear cable nut (8) and remove front cable nut (3), modulator cable (9), and washer (7) from
bracket (2).
4.
Slide modulator link (4) forward and disconnect from fuel injection pump (11).
NOTE
Note orientation of modulator link and bracket for installation.
5.
Remove bracket (2), modulator link (4), water jacket cover (12), and gasket (13) from cylinder head
(10). Discard gasket (13).
6.
Spread slot (14) and remove modulator link (4) from bracket (2).
INITIAL SETUP:
Applicable Models
All vehicles except: M997A2, M1025A2,
M1035A2, M1043A2, M1045A2, M1097A2
Tools
General mechanic's tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Gasket (Appendix G, Item 51)
Manual References
TM 9-2320-280-24P
Equipment Condition
• Engine access cover removed (para. 10-15).
• Cooling system drained (para. 3-60).
TM 9-2320-280-20-2
5-36
Change 3
b. Installation
1.
Install modulator link (4) in bracket (2) and crimp slot (14).
2.
Slide modulator link (4) forward and connect to fuel injection pump (11).
3.
Install gasket (13), cover (12), modulator link (4), and bracket (2) on cylinder head (10) with two
capscrews (1).
4.
Position modulator cable (9) through bracket (2), install washer (7), and start front cable nut (3).
5.
Pull cable clip (6) out and connect to modulator link pin (5). Tighten rear cable nut (8).
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