TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 645 of 828
TM 9–2350–311–20–2 17–7 5 Install adapter (5) in inlet port (6) and adapter (9) in outlet port (10) of M3 electrical air heater (2). NOTE • Lockwashers (13) should be installed between mounting block and M3 electrical air heater. • Install a washer and retaining strap with cannoneer no. 1’s M3 electrical air heater. Reinstall a retaining strap with section chief’s M3 electrical air heater. 6 Install M3 electrical air heater (2) on cab ceiling using four new lockwashers (13), four new lockwashers (12), and four cap screws (11). 7 Connect hose (8) from orifice connector to outlet port (10) of M3 electrical air heater (2) and hose clamp (7). 8 Connect hose (4) from M2A2 air purifier to the inlet port (6) and tighten hose clamp (3). 9 Plug NBC power lead assembly (1) into M3 electrical air heater (2). 1 6 3 4 8 7 13 12 11 5 9 2 6 10 10 2