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

  TM-9-2320-272-23-2 - Page 947 of 1417

CLEANING AND INSPECTION
1.
Refer to TM 750-254 for radiator cleaning, inspection, and repair instructions.
2.
Inspect mounting and fitting parts (Volume 5, WP
0818).
3.
Replace all parts failing inspection.
END OF TASK
INSTALLATION
NOTE
•
Refer to (WP
0283) for removing and installing fan and shroud.
•
Perform Steps (1) through (3) only if parts were removed.
1.
Install radiator support (Figure 2, Item 13) in engine compartment (Figure 2, Item 12) with four washers
(Figure
2,
Item
14), screws (Figure 2, Item 17), and locknuts (Figure 2, Item 8).
2.
Install control assembly (Figure 2, Item 23) on radiator support (Figure 2, Item 13) with screw
(Figure
2,
Item
15) and locknut (Figure 2, Item 24).
3.
Install radiator mounting bracket (Figure 2, Item 19) on control assembly (Figure 2, Item 23) with two screws
(Figure 2, Item 18), washers (Figure 2, Item 16), and locknuts (Figure 2, Item 22).
NOTE
Assistant will help with Steps (4) and (5).
4.
Position radiator (Figure 2, Item 1) in vehicle.
5.
Attach radiator (Figure 2, Item 1) to mounting bracket (Figure 2, Item 19) with four screws (Figure 2, Item 21)
and washers (Figure 2, Item 20). Hand tighten screws.
6.
Install two washers (Figure 2, Item 9) and screws (Figure 2, Items 10 and 11) through bracket
(Figure
2,
Item
19) and into bottom of radiator (Figure 2, Item 1). Tighten screws
(Figure
2,
Items
10,
11,
and
21) 40 lb-ft (54 N·m).
7.
Connect lower hump hose (Figure 2, Item 6) to outlet of radiator (Figure 2, Item 1) and tighten clamp
(Figure
2,
Item
7).
8.
Connect upper hump hose (Figure 2, Item 26) to inlet of radiator (Figure 2, Item 1) and tighten clamp
(Figure
2,
Item
25).
9.
Wrap male threads of elbows (Figure 2, Items 3 and 4) with antiseize tape and install in radiator
(Figure
2,
Item
1).
10.
Install adapter (Figure 2, Item 2) in elbow (Figure 2, Item 3) and connect hose (Figure 2, Item 5) to adapter.
11.
Install two washers (Figure 2, Item 28), lockwashers (Figure 2, Item 29), and screws (Figure 2, Item 30) through
bracket (Figure 2, Item 27) and into radiator (Figure 2, Item 1). Tighten screws 40 lb-ft (54
N·m). Bend tabs of
two lockwashers over flats of screws.
TM 9-2320-272-23-2
0277
0277-4


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