TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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TM 9-2320-280-20-2 4-12 Change 3 4-5. PROTECTIVE CONTROL BOX MAINTENANCE This task covers: a. Removal c. Installation b. Inspection CAUTION The control box must be supported from inside the vehicle during removal and installation or damage to protective control box/unit may result. 1. Working under hood, disconnect engine wiring harness cannon plug (6) from control box (5). 2. From inside the vehicle, disconnect body wiring harness cannon plug (3) from control box (5). 3. Remove four screws (1) and control box (5) from cowl (2). Inspect rivnuts (5.1) for damage. Replace rivnuts (5.1) if damaged (para. 10-66). 1. Position control box (5) under instrument panel (4) against cowl (2). 2. From under hood, install control box (5) on cowl (2) with four screws (1). Tighten screws (1) to 6 lb-ft (8 N•m). 3. Fill engine wiring cannon plug (6) and control box connection (5) to capacity with silicone. 4. From inside vehicle, connect body wiring harness cannon plug (3) to control box (5). 5. Connect engine wiring harness cannon plug (6) to control box (5). c. Installation b. Inspection a. Removal INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Silicone compound (Appendix C, Item 48) Personnel Required One mechanic One assistant 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).