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 761 of 828
TM 9--2350--311--20--2
Change 4
B--13
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
1803030101
TUBE ASSEMBLY METAL
INSPECT
0.1
REPLACE
0.5
20
1803030102
LEG SECTION, TRIPOD
INSPECT
0.1
REPLACE
0.5
20
18030302
YOKE, COLLIMATOR
INSPECT
0.1
INFINITY AIMING REF.
REPLACE
0.5
20
(M1A1)
REPAIR
2.0
20, 21
180304
COLLIMATOR, SCOPE
INSPECT
0.1
0.1
(M1A1)
SERVICE
0.1
0.5
0.5
10
REPLACE
0.5
20, 21
REPAIR
2.7
20, 21, 22--28
18030401
CELL ASSEMBLY
INSPECT
0.1
REPLACE
0.5
20, 26
REPAIR
1.0
20, 24
18030402
CELL ASSEMBLY,
OPTICAL (M1A1)
INSPECT
REPLACE
0.1
1.0
20, 22
REPAIR
1.0
20, 22
1806
MOUNT, M146
INSPECT
0.1
0.1
0.1
**
4, 20, 21
ADJUST
1.0
20, 21
REPLACE
1.0
4
REPAIR
0.5
10.0
4, 20, 21
OVERHAUL
**
4, 20, 21, 29
180601
BRACKET ASSEMBLY
INSPECT
0.1
REPLACE
0.5
4, 20
REPAIR
0.5
20
180602
CABLE ASSEMBLY
INSPECT
0.1
0.1
4
REPLACE
0.5
4
REPAIR
1.0
20, 21
1807
TELESCOPE, ELBOW
INSPECT
0.1
0.1
0.1
0.2
**
4, 20, 21, 29
M118A2/M118A3
SERVICE
0.5
4, 10
REPLACE
0.5
4
REPAIR
1.0
23.5
4, 20, 21
OVERHAUL
**
20, 21, 29--32
180701
EYEPIECE AND ERECTOR
INSPECT
0.1
**
LENS SUB--ASSEMBLY
ADJUST
1.0
**
20, 21
REPAIR
4.0
**
20, 21
18070101
CELL ASSEMBLY
INSPECT
0.1
REPAIR
2.0
20, 21
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