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 TM 55-1925-204-12
Section II. MAINTENANCE ALLOCATION CHART
(1)
(2)
(3)
(4)
(5)
G
Functional group
Maintenance functions
Tools and
Remarks
R
equipment
O
A
B
C
D
E
F
G
H
I
J
K
U
C
P
A
O
I
S
L
I
R
V
R
N
N
E
A
I
N
E
R
E
E
U
S
R
D
A
B
S
P
E
R
B
M
P
T
V
J
L
R
T
L
P
H
U
B
E
E
I
U
I
A
A
A
A
A
I
E
C
S
C
S
G
T
L
C
I
U
L
R
T
T
E
T
N
E
L
E
R
L
D
0105
Air Starting System
C
..
C
..
..
..
..
..
C
H
..
12-I, 13-I
H-C
0.3
..
0.5
..
..
..
..
..
2.0 3.0
..
Air Distributor
C
..
C
..
..
..
..
C
C
H
0.1
..
0.2
..
..
..
..
1.0
1.4 3.2
Reverse Control (Ram)
C
..
..
..
..
..
..
C
C
0.2
..
..
..
..
..
..
2.0
4.1
Air Start Header
C
..
..
..
..
..
..
C
C
0.2
..
..
..
..
..
..
3.0
3.5
Air Receiver (box)
C
..
C
..
..
..
..
O
C
0.1
..
0.4
..
..
..
..
2.0
2.5
Engine Starting Aids
C
..
..
..
..
..
..
C
C
0.1
..
..
..
..
..
..
0.2
1.0
0106
Air Scavenging Pump System
C
..
..
..
..
..
..
H
C
H
..
14-I, 15-H
0.3
..
..
..
..
..
..
8.0
12.0 16.0
..
Crankcase Breather
C
..
C
..
..
..
..
..
C
0.1
..
0.2
..
..
..
..
..
1.0
Pump, Oil, Hand
C
..
C
..
..
..
..
C
0.1
..
0.3
..
..
..
..
1.0
0107
Cooling System
Pump, Fresh Water
C
..
C
C
..
..
..
C
C
H
0.1
..
0.2
0.5
..
..
..
1.0
1.5
3.0
Pump, Raw Water
C
..
C
C
..
..
..
C
C
H
0.1
..
0.2
0.5
..
..
..
1.0
1.5
3.0
Water Manifold (Header)
C
..
..
..
..
..
..
C
C
0.1
..
..
..
..
..
..
1.0
2.0
Thermostats
C
..
..
..
..
..
..
C
C
0.1
..
..
..
..
..
..
0.5
1.0
Heat Exchanger
C
..
C
..
..
..
..
H
C
I-A
0.2
..
0.5
..
..
..
..
3.0
8.0
Anodes
C
..
C
..
..
..
..
C
0.1
..
0.1
..
..
..
..
0.2
0108
Exhaust System
Manifold
C
..
C
..
..
..
..
H
C
0.1
..
0.2
..
..
..
..
4.0 6.0
Silencer and Pipes
C
..
C
..
..
..
..
H
O
0.1
..
0.2
..
..
..
..
10. 0 16.0
0109
Force Feed Lubricator System
C
..
..
O
..
..
..
H
C
H
..
J-D
0.3
..
..
0.3
..
..
..
1.0 1.5
3.0
Drive Assembly
C
..
..
..
..
..
..
H
F
H
0.1
..
..
..
..
..
..
0.7 1.0
1.5
Carrier Arm Assembly
C
..
..
..
..
..
..
C
C
0.1
..
..
..
..
..
..
0.8 1.3
Pumping Unit
C
..
..
..
..
..
..
C
C
0.1
..
..
..
..
..
..
1.0 1.5
0110
Engine Lubrication System
Oil Pump
C
..
C
..
..
..
..
C
C
H
0.1
..
0.2
..
..
..
..
2.8
3.0
3.5
Oil Cooler
C
..
C
..
..
..
..
H
C
0.1
..
0.5
..
..
..
..
3.0
4.2
0111
Camshaft and Timing System
C
..
..
C
..
..
..
..
C
0.2.
..
..
1.0
..
..
..
..
2.0
Camshaft
C
..
..
..
..
..
..
H
0.2
..
..
..
..
..
..
8.0
C
..
..
..
C
..
..
..
16-H
1.5
..
..
..
3.4
Gears and Cams
C
..
..
..
..
..
..
H
0.3
..
..
..
..
..
..
3.4
Timing System
C
..
C
C
..
..
..
..
F
K-D
0.2
..
0.4
0.7
..
..
..
..
2.5
C-3
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