TM 9-4940-342-14&P
maintenance. Under this symbol is listed an
appropriate work measurement time value (when
applicable) as indicated in the following step e.
d. Symbols. The uppercase letter placed in the
appropriate column indicates the lowest level at
which that particular maintenance function is to be
performed. These symbols are:
C............. Operator/Crew
O ................ Organizational
F................. Direct Support
H ............... General Support
D................ Depot
e. Work Measurement Time. The active repair time
required to perform the maintenance function. This
time is expressed in manhours and carried to one
decimal place (tenths of hours).
Maintenance Allocation Chart
(1)
(2)
(3)
(4)
(S)
Functional group
Maintenance functions
Tools and
Remarks
equipment
Component assembly
nomenclature
A
B
C
D
E
F
G
H
I
J
K
01 CABINET GROUP
0101 Hose Assy
C
C
O
O
0.2
0.1
0.5
1.0
0102 Gun Assy
C
C
O
O
0.1
0.1
0.5
1.0
0103 Cleaner Assy
C
C
F
F
0.5
0.5
2.0
4.0
0104 Door, Front Assy
C
C
O
O
0.2
0.2
0.5
0.8
0105 Water Tank Assy
C
C
O
O
0.2
0.5
1.0
1.0
02 PUMP GROUP
0201 Plumbing Assy
C
O
F
F
0.5
0.5
2.0
5.0
0202 Water Pump Assy
C
C
H
H
0.2
0.2
0.8
8.0
0203 Motor Assy
C
O
F
F
F
F
0.1
0.2
0.2
0.2
1.0
2.0
0204 Oil Pump Assy
C
O
F
F
0.2
0.2
1.0
4.0
03 CONTROL BOX
GROUP, ELECTRICAL
0301 Flame Control
O
O
O
H
H
0.1
0.3
0.2
1.0
4.0
0302 Transformer
O
H
0.1
0.5
0303 Pressure Switch
O
O
F
0.3
0.4
1.0
0304 Flame Scanner
O
O
O
H
0.2
0.5
0.5
1.0
04 HEATER COIL GROUP
0401 Coil Inlet Assy
C
O
F
F
0.5
0.5
2.0
2.0
0402 Electrode Lead Assy
C
C
F
F
0.1
0.2
0.5
0.5
0403 Burner Plate Assy
C
O
O
F
0.3
0.5
1.0
1.0
0404 Outlet Coil Assy
C
O
F
F
0.5
0.5
3.0
3.0
0405 Preheat Coil Assy
O
O
F
0.5
0.5
8.0
05 INSTRUMENT PANEL
GROUP
0501 Pressure Gage
C
O
O
O
0.2
0.2
0.2
0.5
0502 Light Assy
C
F
0.1
0.5
60
