TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 505 of 1170
TM 9-2320-280-20-3 I 11-164. NBC HEATER REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models Manual References M996, M996A1, M997, M997A1, M997A2 TM 9-2320-280-10 TM 9-2320-280-24P Tools General mechanic’s tool kit Equipment Condition automotive (Appendix B, Item 1) Battery ground cable disconnected (para. 4-73). NOTE ● The procedure for replacing NBC heaters in M996, M996A1, M997, M997A1, and M997A2 ambulances is basically the same. This procedure covers the driver’s NBC heater in the M997, M997A1, and M997A2 ambulances. ● Prior to removal, tag all leads for installation. a. Removal 1. Disconnect lead 786 (10)from heater (1). 2. Loosen clamp (6) on heater (1) and NBC pipe connector (5). 3. Remove four nuts (9), washers (8), capscrews (4), washers (3), heater (1), and ground lead (7) from body (2). 1. Install heater (1) and ground lead (7) on body (2) with four washers (3), capscrews (4), washers (8), and nuts (9). 2. Install NBC pipe connector (5) to heater (1) with clamp (6). 3. Install lead 786 (10) to heater (1). FOLLOW-ON TASKS: ● ● Check operation of NBC heater (TM 9-2320-280-10). Connect battery ground cable (para. 4-73). 11-242