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 765 of 828
TM 9--2350--311--20--2
Change 4
B--17
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
1810
M15 QUADRANT
INSPECT
0.1
0.1
0.1
1.0
SERVICE
0.2
4, 10
REPLACE
0.5
4
REPAIR
0.7
20.0
4, 20, 21,
37, 42
181001
CORRECTION KNOB
INSPECT
0.1
20
ASSEMBLY
ADJUST
0.1
20, 21
REPLACE
0.2
20, 21
REPAIR
1.0
181002
COVER ASSEMBLY
INSPECT
0.1
REPAIR
1.5
181003
COUNTER ASSEMBLY
INSPECT
0.1
0.1
ADJUST
0.2
20
REPLACE
1.0
20, 21
REPAIR
4.5
20, 21
18100301
BASE
INSPECT
0.1
REPAIR
0.2
20, 21
181004
LEVEL ASSEMBLY
INSPECT
0.1
0.1
4
ADJUST
0.3
20
REPAIR
0.2
0.5
4, 20, 21, 35
1811
PERISCOPE M42
INSPECT
0.1
0.1
0.5
4, 20, 21
SERVICE
1.0
4, 10
REPLACE
1.5
4
REPAIR
0.7
2.5
20, 21
ALINE
1.0
20, 21, 32, 34
1812
LINKAGE ASSEMBLY
INSPECT
0.2
**
4
ADJUST
2.0
4, 20
REPLACE
1.0
4, 20
REPAIR
3.0
3.0
**
4, 20, 21
181201
LINK
INSPECT
**
REPAIR
**
20, 21
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