TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 565 of 828
TM 9–2350–311–20–2
14–1
CHAPTER 14
DOOR AND HATCH ASSEMBLIES
GENERAL
This chapter illustrates and describes step-by-step maintenance procedures for the howitzer cab door and hatch assem-
blies.
CONTENTS
Page
14–1
GUNNER’S ESCAPE HATCH (UNMODIFIED)
14–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–2
GUNNER’S ESCAPE HATCH (MODIFIED)
14–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–3
LATCH ASSEMBLY, SIDE DOORS
14–14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–4
BUMPER ASSEMBLY, SIDE DOORS
14–16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–5
CAB SIDE DOORS, LEFT AND RIGHT
14–17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–6
CAB BUSTLE DOOR GROUP (STRIKE AND BRACKET ASSEMBLIES)
14–21
. . . . . . . . . . . . . . . . . . . . .
14–7
DOOR ASSEMBLY, PROJECTILE ACCESS
14–24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–8
BUSTLE DOOR ASSEMBLIES, LEFT AND RIGHT
14–26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–9
BUSTLE DOOR ARM CLEVIS ASSEMBLY
14–31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–10
BUSTLE DOOR WIRE ROPE ASSEMBLIES, LEFT AND RIGHT
14–32
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
14–11
CAB ACCESS COVER
14–33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GUNNER’S
ESCAPE HATCH
ACCESS
COVER
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