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 885 of 1393

REMOVAL

1.

Remove cotter pin (Figure 1, Item 6) from retaining pin (Figure 1, Item 7). Drive out retaining pin (Figure 1,

Item 7) from inner boom (Figure 1, Item 4) and extension cylinder (Figure 1, Item 1). Discard cotter pin.

2.

Attach chains (Figure 1, Item 2) around extension cylinder (Figure 1, Item 1) and attach to lifting device

(Figure

1, Item 3).

WARNING

All personnel must stand clear during lifting operations. A snapped chain, or shifting or

swinging load, may result in injury to personnel. Failure to comply may result in injury or death

to personnel.

3.

Slowly pull extension cylinder (Figure 1, Item 1) out of inner boom (Figure 1, Item 4) until chains

(Figure

1,

Item 2) can be positioned. Place extension cylinder on shop horses or jack stands (Figure 1, Item

5).

4.

Remove chains (Figure 1, Item 2) and lifting device (Figure 1, Item 3) from extension cylinder

(Figure

1,

Item

1).

TM 9-2320-272-23-4

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