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 1329 of 1469

REMOVAL

1.

Remove locking pin (Figure 1, Item 12) and retaining pin (Figure 1, Item 13) from boom extension

(Figure

1,

Item 14).

2.

Remove boom extension (Figure 1, Item 14) from boom (Figure 1, Item 1).

3.

Remove four locknuts (Figure 1, Item 19), screws (Figure 1, Item 2), and boom (Figure 1, Item 1) from boom

support (Figure 1, Item 11). Discard locknuts.

4.

Remove two locknuts (Figure 1, Item 15), washers (Figure 1, Item 4), screws (Figure 1, Item 3), and washers

(Figure 1, Item 4) from muffler support bracket (Figure 1, Item 5) and carrier base (Figure 1, Item 8).

Discard

locknuts.

5.

Install utility chain around upper part of carrier base (Figure 1, Item 8) and attach to a suitable lifting device.

6.

Remove four locknuts (Figure 1, Item 18) and screws (Figure 1, Item 7) from muffler support

(Figure

1,

Item

6) and carrier base (Figure 1, Item 8). Discard locknuts.

7.

Remove two locknuts (Figure 1, Item 17), screws (Figure 1, Item 10), washers (Figure 1, Item 9), and carrier

base (Figure 1, Item 8) from left frame rail bracket (Figure 1, Item 16). Discard locknuts.

8.

Remove utility chain from the carrier base (Figure 1, Item 8).

TM 9-2320-272-23-3

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0528-2