TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 165 of 1170
TM 9-2320-280-20-3 10-86. HEATER FAN MOTOR RESISTOR ASSEMBLY REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP Tools Equipment Condition General mechanic’s tool kit Battery ground cable disconnected (para. 4-73). automotive (Appendix B, Item 1) Manual References TM 9-2320-280-10 TM 9-2320-280-24P 1. Remove four capscrews (12) from instrument cluster (1) and instrument panel (2), and pull instrument cluster (1) away from panel (2) for access to resistor assembly (5). 2. Remove two screws (11) and heater fan switch (8) from panel (2). Pull heater fan switch (8) out from behind panel (2). NOTE Prior to removal, tag leads for installation. 3. Disconnect leads 399 (3) and 400 (6) from heater fan switch (8). Disconnect lead 400 (4) from harness lead 400D (7). 4. Loosen two screws (9) and nuts (10) and remove resistor assembly (5) from panel (2). I b. Installation I 1. Connect lead 400 (4) to harness lead 400D (7). Connect leads 400 (6) and 399 (3) to heater fan switch (8). 2. Install resistor assembly (5) on panel (2) and tighten two screws (9) and nuts (10). 3. Install heater fan switch (8) on panel (2) with two screws (11). 4. Install instrument cluster (1) on panel (2) with four capscrews (12). 10-142