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 1291 of 1469

INSTALLATION

1.

Position carrier base (Figure 2, Item 7) on frame rail brackets (Figure 2, Items 9 and 10).

2.

Align carrier base (Figure 2, Item 7) with frame rail brackets (Figure 2, Items 9 and 10) and install two screws

(Figure 2, Items 6 and 12) and locknuts (Figure 2, Items 8 and 11).

3.

Install boom (Figure 2, Item 3) onto boom support (Figure 2, Item 5).

NOTE

Ensure screw is tightened against preset groove in boom support.

4.

Tighten screw (Figure 2, Item 4) on boom (Figure 2, Item 3).

5.

Install boom extension (Figure 2, Item 1) on boom (Figure 2, Item 3).

6.

Tighten retaining pin (Figure 2, Item 2) in boom extension (Figure 2, Item 1) and boom (Figure 2, Item 3).

TM 9-2320-272-23-3

0522

0522-4