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 753 of 828
TM 9--2350--311--20--2
Change 4
B--5
SECTION II. MAINTENANCE ALLOCATION CHART -- Cab Armament, Sighting and Fire
Control, Elevating And Traversing Systems And Associated Components. -- Continued
(1)
(6)
(5)
(4)
(3)
(2)
MAINTENANCE LEVEL
SUSTAINMENT
FIELD
GROUP
NUMBER
REMARKS
CODE
TOOLS AND
EQUIPMENT
REF CODE
DEPOT
GS
DS
UNIT
MAINTENANCE
FUNCTION
COMPONENT/
ASSEMBLY
D
H
F
O
C
02010403
HOUSINGASSEMBLY
REM/INS
0.5
REPLACE
0.5
4
REPAIR
0.5
4
02010404
BREECHBLOCK
REM/INS
1.0
ASSEMBLY
REPLACE
1.0
4
REPAIR
0.5
0.5
**
4
02010405
CRANK ASSEMBLY
REPLACE
1.0
4
REPAIR
0.6
3, 4, 9
02010406
CARRIER ASSEMBLY
REPLACE
1.0
4
REPAIR
1.0
2.0
3, 4
0201040601
PLUNGER ASSEMBLY
REPLACE
0.5
4
REPAIR
0.5
4
02010407
HANDLE ASSEMBLY
REPLACE
0.5
4
REPAIR
1.0
3, 4
0202
MOUNT, HOWITZER
M178/M182
OVERHAUL
**
020201
CRADLE AND HOWITZER
REMOVE
3.0
3--6
ASSEMBLY
INSTALL
3.0
3--6
02020101
DAMPER ASSEMBLY
INSPECT
0.2
ADJUST
0.2
REPLACE
0.2
4
REPAIR
0.5
4
02020102
PIN ASSEMBLY
ADJUST
0.2
4
REPLACE
2.5
3, 4
REPAIR
2.0
3, 4
02020103
CAM ASSEMBLY
SERVICE
0.1
(OPERATING)
ADJUST
0.5
4, 9
REPLACE
2.5
4--6
REPAIR
0.5
4--6
02020104
CRADLE ASSEMBLY
SERVICE
0.2
REPLACE
**
REPAIR
**
0202010401
RECUPERATOR
SERVICE
0.5
1.0
4
ASSEMBLY
REPLACE
2.0
4--6
REPAIR
0.5
2.0
3--6
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