TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 163 of 1170
TM 9-2320-280-20-3 10-85. HEATER FAN SWITCH REPLACEMENT This task covers: a. Removal b. Installation lNITIAL 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 (8) from instrument cluster (1) and instrument panel (6), and pull instrument cluster (1) away from panel (6) for access to fan switch (2). 2. Remove two screws (7) from fan switch (2) and panel (6). 3. Pull fan switch (2) out from behind panel (6). NOTE Prior to removal, tag leads for installation. 4. Disconnect leads 399 (3), 27D (4), and 400 (5) from fan switch (2) and remove fan switch (2). 1. Connect leads 399 (3), 27D (4), and 400 (5) to fan switch (2). 2. Install fan switch (2) on panel (6) with two screws (7). 3. Install instrument cluster (1) on panel (6) with four capscrews (8). 10-140