TM 5-4220-225-14
SECTION II. MAINTENANCE ALLOCATION CHART
FOR
MK12 SURFACE SUPPORTED DIVING SYSTEM
(1)
(2)
(3)
(4)
(5)
(6)
MAINTENANCE LEVEL
GROUP
COMPONENT/
MAINTENANCE
UNIT
INTERMEDIATE DEPOT
NUMBER
ASSEMBLY
FUNCTION
C
O
F
H
D
TOOLS
REMARKS
0201
HELMET
BREECH
Inspect
0.2
RING
Service
0.2
Replace
0.5
15,20,14,
39,41,51,
44,46
0202
VIEW PORTS
Inspect
0.2
Replace
0.7
14,15,22,
39,51
0203
LOWER
BREECH
Inspect
0.2
RING
ASSEMBLY
Replace
0.4
14,15,41,
51,19,55,
56
Repair
0.6
14,15,39,
41,51,19,
55,56
0204
AIR SUPPLY
Inspect
0.1
ASSEMBLY
Test
0.5
Adjust
0.4
Repair
3.0
C
020401 AIR SUPPLY
Replace
0.3
45,40,13,
ADAPTER
8,14,15,
19,51
Repair
0.5
020402 AIR SUPPLY
TUBE
Inspect
0.2
Replace
0.3
40,22,13,
14,15
020403 AIR SUPPLY
VALVE
Replace
0.3
Repair
0.5
8,15,19,
26,27
020404 DIFFUSER
ASSEMBLY
Inspect
0.2
Replace
0.3
26
Repair
0.5
26
B-5