TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download

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TM 9-2320-387-24-l 4-3 1. COLD-ADVANCESWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) hlaterialflarts Equipment Condition l Battery ground cables disconnected (para. 4-68). l Engine coolant drained as necessary (para. 3-61). l Engine access cover removed (para. 10-22). Sealing compound (Appendix C, Item 61) nraintenance Level Unit 1Ianual References TM 9-2320-387-24P NOTE l The cold-advance switch is located in the right cylinder head water jacket at the rear of the cylinder head just above the exhaust manifold. l Prior to removal, tag leads for installation. L a. Removal 1 1. Disconnect leads 569G (1) and 569B (3) from engine harness (2). 2. Remove cold-advance switch (5) from engine (4). /YZZZZJ 1. Apply sealing compound to threads of cold-advance switch (5). 2. Install cold-advance switch (5) on engine (4). 3. Connect leads 569G (1) and 569B (3) to engine harness (2). FOLLOW-ON TASK!? l Connect battery ground cables (para. 4-68). . Fill cooling system (para. 3-61). . Install engine access cover (para. 10-22). 4-55