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