TM-9-2320-272-23-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-3 - Page 1107 of 1469

TOE-IN CHECK

1.

Place front wheels (Figure 1, Item 5) in straight-ahead position.

2.

Place toe-in gauge between front wheels (Figure 1, Item 5) at middle of tires (Figure 1, Item 3) as far in front

of axle (Figure 1, Item 1) as possible.

3.

Move toe-in gauge (Figure 1, Item 4) until chains (Figure 1, Item 2) just touch the ground.

4.

Move scale so pointer reads 0.

NOTE

Assistant will help with Steps (5) through (7).

5.

Start engine (TM 9-2320-272-10).

6.

With toe-in gauge in place, move vehicle forward until toe-in gauge (Figure 1, Item 4) is in back of axle

(Figure

1, Item 1) and chains just touch ground.

7.

Stop engine (TM 9-2320-272-10).

8.

Read position of pointer (Figure 1, Item 6) on scale. Pointer should read 1/16-3/16 in. toe-in.

TM 9-2320-272-23-3

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