TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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TM 9-2320-280-20-2 4-30. FAN TEMPERATURE SWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2320-280-10 automotive (Appendix B, Item 1) TM 9-2320-280-24P Materials/Parts Equipment Condition Sealing compound (Appendix C, Item 44) Battery ground cable disconnected (para. 4-73). Hood raised and secured (TM 9-2320-280-10). NOTE The engine temperature switch is located on the top front side of the engine in the water crossover. Prior to removal, tag leads for installation. a. Removal 1. Disconnect engine harness leads 458A (4) and 458B (3) from fan temperature switch (1). 2. Remove fan temperature switch (1) from water crossover (2). b. Installation 1. Apply sealing compound to threads of fan temperature switch (1). Install fan temperature switch (1) to water crossover (2). 2. Connect engine harness leads 458A (4) and 458B (3) to fan temperature switch (1). FOLLOW-ON TASKS: Connect battery ground cable (para. 4-73). Lower and secure hood (TM 9-2320-280-10). 4-52