TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 17–6 17–2 M3 ELECTRICAL AIR HEATER — CONTINUED d. Installation WARNING Turn CAB POWER and MASTER switches to OFF before connecting electrical leads to avoid elec- trical shock and burn. NOTE M3 electrical air heaters at all stations except the section chief’s must have heater kit assembled to them. Perform steps 1 through 4 to assemble kit. Section chief’s M3 electrical air heater does not need the kit applied; proceed to step 5. 1 Remove four screws (18), control unit (19), and plate mount (20) from heater unit (21) and set aside. 2 Position angle bracket (22) on heater unit clamp (23) so outlet port (10) is to the right of the angle of the an- gle bracket. Secure using four screws (24). 3 Aline three holes on plate mount (20) with three holes on angle bracket (22) and install screw (25) in center hole. 4 Secure control unit (19) to plate mount (20) using four screws (18). 24 22 20 25 18 21 23 19 10