TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 406 of 953
TM 9-2320-280-20-2 4-168 Change 3 4-92. REAR STEPS BLACKOUT SWITCH REPLACEMENT Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Rear steps lowered (TM 9-2320-280-10). • Battery ground cable disconnected (para. 4-73). 1. Remove three screws (1) and cover (2) from body (3) and bracket (5). 2. Remove grommet (4) from body (3). 3. Remove nut (11), lockwasher (10), and light switch (6) from bracket (5) and remove adjusting nut (12). Discard lockwasher (10). 4. Pull light switch leads (7) through hole in body (3). 5. Disconnect light switch leads (7) from harness leads 791C (8) and 791D (9). Remove light switch (6). 1. Connect light switch leads (7) to harness leads 791C (8) and 791D (9). Push through body (3). 2. Install grommet (4) in body (3). 3. Position adjusting nut (12) on switch (6) about halfway out on threads. Install switch (6) to bracket (5) with lockwasher (10) and nut (11). 4. Slowly raise rear steps to latched position while listening for switch (6) to “click”. If necessary, adjust switch (6) in or out to ensure switch (6) clicks (closed) when steps are in raised and latched position. 5. Install cover (2) to body (3) and bracket (5) with three screws (1). a. Removal b. Installation This task covers: a. Removal b. Installation NOTE Prior to removal, tag leads for installation. INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Lockwasher (Appendix G, Item 168)