TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 641 of 828
TM 9–2350–311–20–2 17–3 17–2 M3 ELECTRICAL AIR HEATER This task covers: a. Removal b. Disassembly c. Assembly d. Installation INITIAL SETUP Applicable Configuration M109A4/M109A5 howitzers Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Materials/Parts Lockwashers (4) (item 79, Appx G) Lockwashers (4) (item 64, Appx G) Equipment Condition CAB POWER switch to OFF (TM 9–2350–311–10) Vehicle MASTER switch to OFF (TM 9–2350–311–10) a. Removal NOTE • This procedure is written for one M3 electrical air heater, but applies to all four. • There are two types of M3 electrical air heaters with different outlet port configurations. Note the outlet port position when replacing M3 electrical air heater. 1 Disconnect NBC power lead assembly (1) from M3 electrical air heater (2). 1 2