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 755 of 828
TM 9--2350--311--20--2
Change 4
B--7
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
0304
ACCUMULATOR
TEST
0.7
4, 11
ASSEMBLY
SERVICE
0.5
4, 14
(MANUAL PUMP)
REPLACE
0.5
4, 6, 14
REPAIR
1.0
3, 4, 6, 14
0305
ACCUMULATOR
TEST
0.2
0.3
0.5
4, 14, 15
ASSEMBLY
SERVICE
0.5
4, 14, 15
(MAIN)
REPLACE
2.0
4, 14, 15
REPAIR
3.0
4, 14, 15
0306
ACCUMULATOR
SERVICE
0.7
4, 14
ASSEMBLY
REPLACE
0.5
4, 14
(PRIMARY)
REPAIR
2.0
4, 14
TEST
0.3
0.5
4, 14
0307
ACCUMULATOR
SERVICE
0.7
4, 14
ASSEMBLY
REPLACE
0.5
4, 14
(SECONDARY)
REPAIR
2.0
4, 14
TEST
0.3
0.5
4, 14
0308
EQUILIBRATION
REPLACE
1.0
3, 4
MANIFOLD ASSEMBLY
REPAIR
1.0
1.0
3, 4
ADJUST
1.5
1.5
3, 4
0309
EQUILIBRATION HAND
REPLACE
0.8
4, 6
PUMP
REPAIR
1.0
4, 6
0310
MECHANISM ASSEMBLY,
REPLACE
6.0
3, 4, 6
ELEVATION
REPAIR
8.0
3, 4, 6
EQUILIBRATOR
ADJUST
0.5
0.5
3, 4, 6
SERVICE
0.7
4
OVERHAUL
**
031004
VALVE ASSEMBLY
REPLACE
1.0
4, 6
(SAFETY)
REPAIR
1.5
4, 6
0311
VALVE ASSEMBLY,
REPLACE
1.0
4
SELECTOR
REPAIR
0.5
4
0312
CONTROL ASSEMBLY
REPLACE
1.0
4
REPAIR
3.0
4
031201
VALVE, SHUTTLE
REPLACE
0.4
4
ASSEMBLY
REPAIR
0.8
4
031202
PUMP ASSEMBLY
REPLACE
1.2
4
REPAIR
0.7
3, 4
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