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 433 of 1393

REMOVAL - Continued

NOTE

All ten retractable beams are replaced the same way. This procedure is for the left-rear

retractable beam.

9.

Break welds between side panel (Figure 4, Item 1) and side panel support (Figure 4, Item 8) and remove

retractable beam (Figure 4, Item 7) (TM 9-237).

CAUTION

Remove retractable beam slowly from underframe. Failure to do so may result in damage

to

equipment.

10.

Slide retractable beam (Figure 4, Item 7) under side panel (Figure 4, Item 1) and remove from underframe

(Figure 4, Item 4) and channel (Figure 4, Item 5).

11.

Remove two locknuts (Figure 4, Item 13), washers (Figure 4, Item 12), screws (Figure 4, Item 9), seven screws

(Figure 4, Item 10), retainer (Figure 4, Item 11), seal (Figure 4, Item 6), and gaskets

(Figure

4,

Items

2

and

3) from underframe (Figure 4, Item 4). Discard locknuts and seals.

TM 9-2320-272-23-4

0630

0630-6