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 819 of 1417
INSTALLATION
NOTE
•
Wrap all male pipe threads with antiseize tape before installation.
•
Perform Step (1) for early model engines and Step (2) for late model engines.
1.
Install adapters (Figure 3, Item 13) and (Figure 3, Item 15) on front of cylinder head (Figure 3, Item 3).
2.
Install tee (Figure 3, Item 11) and adapter (Figure 3, Item 13) on front of cylinder head (Figure 3, Item 3).
3.
Install upper radiator support bracket (Figure 3, Item 2) on front of cylinder head (Figure 3, Item 3) with two
screws (Figure 3, Item 1). Tighten screws 55 to 65 lb-ft (75 to 88 N·m).
4.
Connect fuel return tube (Figure 3, Item 12) to adapter (Figure 3, Item 13).
NOTE
Perform Step (5) for early model engines or Step (6) for late model engines.
5.
Connect fuel supply tube (Figure 3, Item 10) to adapter (Figure 3, Item 15).
NOTE
Perform Step (6) for vehicles with late model engines.
6.
Connect fuel supply tube (Figure 3, Item 10) and fuel pressure transducer (Figure 3, Item 14) to tee
(Figure
3,
Item
11).
7.
Install spacer (Figure 3, Item 9), support bracket (Figure 3, Item 8), and clamp (Figure 3, Item 7) with fuel supply
tube (Figure 3, Item 10) on front of cylinder head (Figure 3, Item 3) with washer (Figure 3, Item 6), lockwasher
(Figure 3, Item 5), and screw (Figure 3, Item 4).
TM 9-2320-272-23-2
0256
0256-6
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