TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 46 of 775
TM 9-2350-311–10
1-11 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS — CONTINUED
1-11.1 Location and Description of Major External Components — Continued
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PROJECTILE ACCESS DOOR
CAB LIFTING EYE
BUSTLE DOOR
REAR LIFTING EYE
EXHAUST DEFLECTOR
EXTERNAL POWER RECEPTACLE
(M109A4/M109A5)
IDLER WHEELS
STOPLIGHT AND BLACKOUT LIGHT
TOWING PINTLE ASSEMBLY
REAR HULL DOOR
Ml 3 DECONTAMINATION APPARATUS
REEL BRACKET
SPADE
STOWAGE BOX
Allows projectiles to be passed into cab without opening bustle
doors, providing greater security for crew.
Four cab lifting eyes provide connection points for lifting cab.
Two bustle doors allow projectiles to be passed into cab under
normal operations.
Two rear lifting eyes provide connection points for lifting howit-
zer.
Provides outlet for engine exhaust.
NATO type power receptacle provides circuitry to receive pow-
er from an outside source.
Two idler wheels on each side of vehicle maintain track ten-
sion.
Two stoplight and blackout lights provide rear brake and tail-
lights for night driving under normal and blackout (infrared)
conditions.
Provides connecting point for towing operation.
Provides access to and from crew compartment.
Contains all necessary material, including DS2, for personnel
decontamination operations.
Holds communication wire reel.
Two spades provide stability when firing.
Four stowage boxes provide stowage for miscellaneous items.
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