TM-9-2320-272-24-4
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4
JUNE 1998
TM-9-2320-272-24-4 - Page 663 of 836
TM 9-2320-272-24-4
Section II. MAINTENANCE ALLOCATION CHART (Contd)
(1)
(2)
(3)
(4)
Maintenance Category
(5)
(6)
Group
Maintenance
Unit
Tools and
Number
Component/Assembly
Function
C
O
F
H
Equipment
Remarks
ENGINE (Contd)
0103
Housing, Flywheel*
Inspect
0.5
(Contd)
Replace
4.0
6 thru 9,
23
Cover, Rear*
Inspect
0.1
0.2
Replace
1.0
6 thru 9,
23
Seal, Rear Oil*
Inspect
0.1
A
Replace
6.0
6 thru 9,
23
0104
Piston Assembly
Inspect
0.3
Replace
5.0
9 thru 11
Repair
2.0
9 thru 11
Piston Assembly*
Inspect
0.3
Replace
5.0
9 thru 11,
23
Repair
2.0
9 thru 11
Rod, Connecting
Inspect
0.3
Replace
2.0
7, 11 thru
13
0105
Valve Cover
Inspect
0.1
A
Replace
1.0
9 thru 11
Valve Cover*
Inspect
0.1
A
Replace
1.0
2 thru 5
Assembly, Rocker Lever*
Inspect
0.5
Adjust
0.5
6 thru 9
Replace
1.5
6 thru 9
Rod, Push, Intake/Exhaust* Inspect
0.1
Replace
0.5
6 thru 9
Shaft, Rocker Lever*
Inspect
0.3
Replace
2.0
6 thru 9
Tube, Oil Manifold*
Inspect
0.1
Replace
2.0
6 thru 9
Spring, Valve
Inspect
0.3
Replace
0.5
6 thru 9
Valves, Intake and Exhaust
Inspect
0.2
Replace
1.5
7, 11 thru
13
Repair
0.5
9 thru 13
Cover, Front Gear
Inspect
0.2
Replace
2.0
6 thru 9
Seal, Front Oil
Inspect
A
Replace
2.0
6 thru 9
* (M939A2 only)
B-5
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