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 1079 of 1417

REMOVAL

1.

Using a breaker bar in square drive hole (Figure 1, Item 6) of belt tensioner (Figure 1, Item 3), move belt

tensioner up.

NOTE

Assistant will help with Step (2).

2.

Remove drivebelt (Figure 1, Item 7) from alternator pulley (Figure 1, Item 10), and release belt tensioner

(Figure

1, Item

3).

3.

Remove drivebelt (Figure 1, Item 7) from vibration damper pulley (Figure 1, Item 8), water pump pulley

(Figure

1, Item

9), and fan pulley (Figure 1, Item 1).

4.

Remove two screws (Figure 1, Item 5) and belt tensioner bracket (Figure 1, Item 2) from thermostat housing

(Figure 1, Item 11).

5.

Remove screw (Figure 1, Item 4) and belt tensioner (Figure 1, Item 3) from bracket (Figure 1, Item 2).

TM 9-2320-272-23-2

0296

0296-2