TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
Page 147 of 1555
10-67. WINDSHIELD DE-ICER, DEFROSTER SWITCH, AND CIRCUIT BREAKER REPLACEMENT This task covers: a. Removal b. Installation 1. Disconnect lead (5) from rotary switch (2). 2. Disconnect lead (28) from body harness connector (27). 3. Disconnect right side de-icer connector (33) of cable (11) from defroster switch circuit breaker (32). 4. Disconnect de-icer power wiring connector (34) from defroster switch circuit breaker (32). 5. Remove two screws (35) and defroster switch circuit breaker (32) from footwell armor (29). 6. Disconnect de-icer ground wiring connector (31) from A/C wiring harness ground connector (30). 7. Remove tiedown straps (12), as required, from right side de-icer cable (11) and de-icer ground cable (9). Discard tiedown straps (12). 8. Loosen screws (16) and (23) and remove covers (15) and (22) from de-icers (6) and (8). 9. Remove screws (21) and (24) and leads (20) and (25) from de-icer (6). 10. Remove screws (14) and (18) and leads (13) and (17) from de-icer (8). 11. Remove sealing compound (1) and (10) from end of instrument panel (3). 12. Remove two screws (26), de-icer control unit (19), and ends of cables (4), (11), and de-icer ground cable (9) from center pillar (7). 1. Install de-icer control unit (19) on center pillar (7) with two screws (26). Tighten screws (26) to 12 lb-in. (1 N•m). 2. Install leads (13) and (17) on de-icer (8) with screws (14) and (18). 3. Install leads (20) and (25) on de-icer (6) with screws (21) and (24). 4. Install covers (15) and (22) on de-icers (6) and (8) and tighten screws (16) and (23). 5. Connect de-icer ground wiring connector (31) to A/C wiring harness ground connector (30). 6. Install defroster switch circuit breaker (32) on footwell armor (29) with two screws (35). 7. Secure right side cable (11) and de-icer cable (9) with tiedown straps (12), as required. 8. Connect right side de-icer connector (33) of cable (11) to defroster switch circuit breaker (32). 9. Connect de-icer power wiring connector (34) to defroster switch circuit breaker (32). b. Installation a. Removal INITIAL SETUP: Applicable Models M1114 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Sealing compound (Appendix C, Item 70) Tiedown straps (Appendix G, Item 463) Manual References TM 9-2320-387-24P Equipment Condition • Battery ground cables disconnected (para. 4-68). • A/C front air distribution duct removed (para. 11-81). Maintenance Level Unit TM 9-2320-387-24-2 10-114 Change 1