TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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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.