TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 1002 of 1417
RETURN TUBE REMOVAL - Continued
5.
Remove elbows (Figure 2, Items 11 and 15) from engine oil cooler (Figure 2, Item 12) and air compressor
(Figure 2, Item 16).
END OF TASK
INSPECTION
1.
Inspect flare nut (Figure 1, Item 5), adapter (Figure 1, Item 7), elbow (Figure 1, Item 2), and coolant supply
tube (Figure 1, Item 6) for cracks and stripped threads. Replace parts if cracked or are damaged threads. Refer
to TM 9-243 for fabrication of supply tube.
2.
Inspect flare nuts (Figure 2, Items 9 and 13), elbows (Figure 2, Items 11 and 15), and tubing
(Figure
2,
Item
5) for cracks and severe bends. Discard tubing if cracked or badly bent. Refer to TM 9-243
for fabrication of tubing.
8
M0124DAA
7
6
1
4
2 3
5
12
10
9
5
11
16
15
14
13
5
16
5
Figure 2.
Return Tube Inspection.
END OF TASK
TM 9-2320-272-23-2
0284
0284-3
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