TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994
TM-9-2350-311-20-1

  TM-9-2350-311-20-1 - Page 805 of 1275

TM9-2350-311 -20-1
8-62 VENTILATED FACEPIECE SYSTEM POWER WIRING HARNESS (M109A4/M109A5)
This task covers:
a.
c.
Removal
b.
Assembly
d.
Disassembly/Repair
Installation
INITIAL SETUP
Appicable Configurations
M109A4/M109A5
Tools
General mechanic’s tool kit (item 64, Appx H)
Electrical tape — black (item 62, Appx D)
LockWashers (7) (item 95, Appx G)
Straps (6) (item 67, Appx G)
Batteries disconnected (para 8-28)
Connector
Wire
Connector
Wire
No.
Electrical Lead To:
No.
No.
Electrical Lead To:
No.
1
NBC air purifier
439A
4
NBC indicator light
439L
2
Gunners NBC heater
439C
5
NBC power switch
439
3
Driver’s NBC heater
439B
WIRING DIAGRAM
8-160
Materials/Parts
Equipment Conditions


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