TM-9-2320-272-23-4

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-4 - Page 1087 of 1393

ASSEMBLY

1.

Position sheave frame (Figure 3, Item 3) in tensioner frame (Figure 3, Item 1).

2.

Coat bearing (Figure 3, Item 7) with GAA grease and install in sheave (Figure 3, Item 6).

3.

Install grease fitting (Figure 3, Item 9) in pin (Figure 3, Item 8).

4.

Place steel sides of two packings with retainers (Figure 3, Item 5) on each side of bearing (Figure 3, Item 7)

in sheave (Figure 3, Item 6) and place sheave and two thrust washers (Figure 3, Item 4) in frame

(Figure

3,

Item

3).

5.

Install sheave (Figure 3, Item 6) in tensioner frame (Figure 3, Item 1) and frame (Figure 3, Item 3) with pin

(Figure 3, Item 8) and cotter pin (Figure 3, Item 2).

6.

Coat bearing (Figure 3, Item 14) with GAA grease and install in sheave (Figure 3, Item 13).

7.

Install grease fitting (Figure 3, Item 16) in pin (Figure 3, Item 15).

8.

Place steel sides of two packings with retainers (Figure 3, Item 12) on each side of bearing (Figure 3, Item 14)

in sheave (Figure 3, Item 13) and place sheave and two thrust washers (Figure 3, Item 11) in tensioner frame

(Figure

3,

Item

1).

9.

Install sheave (Figure 3, Item 13) in tensioner frame (Figure 3, Item 1) with pin (Figure 3, Item 15) and cotter

pin (Figure 3, Item 10).

TM 9-2320-272-23-4

0722

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