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 287 of 951
TM 9-2320-280-20-2
4-50
Change 3
4-29. GLOW PLUG CONTROLLER/TEMPERATURE SENSOR REPLACEMENT
a. Removal
1.
Disconnect multiple connector (2) from glow plug controller or temperature sensor (1).
2.
Remove glow plug controller or temperature sensor (1) from water crossover (3).
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Grease (Appendix C, Item 25)
Sealing compound (Appendix C, Item 44)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Battery ground cable disconnected (para. 4-73).
• Hood raised and secured (TM 9-2320-280-10).
b. Installation
1.
Apply sealing compound to threads of glow plug controller or temperature sensor (1). Install glow
plug controller or temperature sensor (1) on water crossover (3). Tighten controller or sensor (1) to
14-20 lb-ft (19-27 N
•
m).
2.
Apply grease to pins (4) of glow plug controller or temperature sensor (1).
3.
Connect multiple connector (2) to glow plug controller or temperature sensor (1).
CAUTION
• Do not attempt to start engine unless controller/sensor is
mounted in engine for a minimum of 10 minutes or if all glow
plugs are disconnected. Damage to glow plugs may result.
• Do not overtighten controller/sensor. Damage to crossover
will result.
This task covers:
a. Removal
b. Installation
NOTE
• It may be necessary to clamp surge tank-to-lower radiator tube to
prevent loss of coolant.
• Two different systems are used. One uses glow plug controller and
the other uses a temperature sensor. The temperature sensor is
indicated by a yellow band.
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