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 405 of 828
TM 9–2350–311–20–2
7–1
CHAPTER 7
RAMMER SYSTEM
GENERAL
This chapter illustrates and describes maintenance procedures for the projectile rammer system. Step-by-step proce-
dures are provided for reliability checks, adjustment, removal and installation, as required for the performance of unit level
maintenance.
CONTENTS
Page
7–1
RAMMER LINES AND FITTINGS
7–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7–2
RAMMER ASSEMBLY
7–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7–3
RAMMER RELIABILITY CHECKS
7–14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7–4
ACTUATING VALVE
7–17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAMMER HYDRAULIC ASSEMBLY
ACTUATING VALVE
HANDLE ASSEMBLY
RAMMER CYLINDER
TRAY ASSEMBLY
HOSES, TUBES AND FITTINGS
SUPPORT ASSEMBLY
BLOCKING VALVE
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