TM 11-5805-424-15/NAVELEX 0967-220-9010/TO 31W2-2G-41
SECTION II MAINTENANCE ALLOCATION CHART
FOR
MODEM, LOW SPEED WIRE LINE MD-674(P)/G
(1)
(2)
(3)
(4)
(5)
(6)
MAINTENANCE CATEGORY
TOOLS
GROUP
COMPONENT/
MAINT.
AND
NUMBER
ASSEMBLY
FUNCTION
C
O
F
H
D
EQUIP REMARKS
012002
Modem Subassembly, 1A1A19A2
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
012003
Oscillator and Oven Assembly, A1A1A19A1
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
01200301
Oscillator Oven Subassembly, 1A1A19A1A1
Test
0.5
1 thru 22
Repair
0.5
1 thru 22
01200302
Oscillator and Oven Subassembly. 1A1A9A1A2
Test
0.5
1 thru 22
Repair
0.5
1 thru 22
0121
Modem Subassembly MX-7374/C, 1A1A20
Inspect
0.3
Test
0.5
1 thru 3
A
Test
1.0
1 thru 14
Adjust
1.0
1 thru 14
Replace
0.3
1 thru 3
Repair
2.0
1 thru 14
012101
Electrical Component Assembly. 1A1A20TB1
Test
0.5
1 thru 14
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 14
Repair
2.0
1 thru 22
012102
Modem Subassembly, 1A1A20A2
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
012103
Oscillator and Oven Assembly, 1A1A20A1
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
01210301
Oscillator Oven Subassembly, 1A1A20A1A1
Test
0.5
1 thru 22
Repair
0.5
1 thru 22
01210302
Oscillator and Oven Subassembly, 1A1A20A1A2
Test
0.5
1 thru 22
Repair
0.5
1 thru 22
0122
Modem Subassembly MX-7375/C, 1A1A21
Inspect
0.3
Test
0.5
1 thru 3
A
Test
1.0
1 thru 14
Adjust
1.0
1 thru 14
Replace
0.3
1 thru 3
Repair
2.0
1 thru 14
012201
Electrical Component Assembly, 1A1A21TB1
Test
0.5
1 thru 14
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 14
Repair
2.0
1 thru 22
012202
Modem Subassembly, 1A1A21A2
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
012203
Oscillator and Oven Assembly, 1A1A21A1
Test
0.5
1 thru 3
B
Test
1.0
1 thru 22
Replace
1.0
1 thru 3
Repair
2.0
1 thru 22
01220301
Oscillator Oven Subassembly, 1A1A21A1A1
Test
0.5
1 thru 22
Repair
0.5
1 thru 22
01220302
Oscillator and Oven Subassembly, 1A1A21A1A2
Test
05
1 thru 22
Repair
0.5
1 thru 22
Change 6
B-5
