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

Page 544 of 953

4-124. NBC CONTROL PANEL REPLACEMENT This task covers: a. Removal b. Installation Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Battery ground cable disconnected (para. 4-73). • NBC control panel fuses removed (TM 9-2320-280-10). • NBC wiring harness removed: M996 and M996A1 (para. 4-99), M997, M997A1 and M997A2 (para. 4-100). TM 9-2320-280-20-2 4-298 Change 3 INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Five lockwashers (Appendix G, Item 169) Lockwasher (Appendix G, Item 134) Four plain-assembled nuts (Appendix G, Item 201) a. Removal 1. Remove screw (3) from cushioned wire clamp (4) and passenger ceiling (2). 2. Remove six screws (1) from NBC control panel (5) and ambulance body (6). 3. Remove two plain-assembled nuts (8) and screws (7) from two cushioned wire clamps (9). Discard plain-assembled nuts (8). NOTE M996 ambulance will not have cushioned wire clamp on ceiling. NOTE Prior to removal, tag all leads for installation. 4. Remove two screws (10), lockwashers (11), and leads 783 (13) and 783A (12) from NBC control panel ON/OFF toggle switch (14). Discard lockwashers (11).