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 1081 of 1417
INSTALLATION
1.
Install belt tensioner bracket (Figure 2, Item 2) on thermostat housing (Figure 2, Item 12) with two screws
(Figure 2, Item 6).
2.
Align locating pin (Figure 2, Item 3) on belt tensioner (Figure 2, Item 4) with belt tensioner bracket
(Figure
2,
Item
2) and install screw (Figure 2, Item 5). Tighten screw 30 lb-ft (45 N·m).
3.
Install drivebelt (Figure 2, Item 8) over fan pulley (Figure 2, Item 1) and under vibration damper pulley
(Figure
2,
Item
9).
4.
Install drivebelt (Figure 2, Item 8) between water pump pulley (Figure 2, Item 10) and belt tensioner
(Figure
2,
Item
4).
NOTE
Assistant will help with Step (5).
5.
Using breaker bar in square drive hole (Figure 2, Item 7) of belt tensioner (Figure 2, Item 4), move belt tensioner
up and install drivebelt (Figure 2, Item 8) on alternator pulley (Figure 2, Item 11). Release belt tensioner.
TM 9-2320-272-23-2
0296
0296-4
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