TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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Equipment Condition a. Removal b. Installation TM 9-2320-280-20-3 12-106. TROOP/CARGO WINTERIZATION BLACKOUT/DOME LIGHT SWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Appliable Models Manual References M998, M998A1, M1038, M1038A1 TM 9-2320-280-10 Tools TM 9-2320-280-24P General mechanic’s tool kit: automotive (Appendix B, Item 1) Battery ground cable disconnected (para. 4-73). 1. Remove nut (7) from box (3). 2. Remove two screws (2), box (3), and switch (9) from upper side channel (1) and lower side channel (4). 3. Inspect decal (8) and remove from box (3) if decal (8) is damaged or illegible. NOTE Prior to removal, tag leads for installation. 4. Remove three screws (5), washers (11), and leads 711A (6), 1B (12), and 712A (10) from switch (9). NOTE Ensure lead 711A is positioned on top switch contact, and keyway is on bottom of switch. 1. Install leads 711A (6), 1B (12), and 712A (10) on switch (9) with three washers (11) and screws (5). Do not tighten screws (5). 2. Install decal (8) on box (3), if removed. NOTE Ensure keyway in switch is toward the "BLACKOUT" position on box when installed. 3. Install switch (9) on box (3) with nut (7). 4. Tighten three screws (5) installed in step 1. NOTE Ensure electrical harness lead are not binding during box installation. 5. Install box (3) on upper side channel (1) and lower side channel (4) with two screws (2). 12-156