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 917 of 1469

REMOVAL

WARNING

Do not disconnect air lines or hoses before draining air reservoirs. Small parts under pressure

may shoot out with high velocity. Failure to comply may result in injury or death to personnel.

NOTE

•

Cross fitting located on inside of left frame rail above the front axle housing.

•

Tag lines and fittings for installation.

•

Mark fitting direction for installation.

1.

Remove four tiedown straps (Figure 1, Item 11) from air lines (Figure 1, Items 1, 7, 10, and 14). Discard tiedown

straps.

2.

Loosen nut (Figure 1, Item 9) and remove inversion air line (Figure 1, Item 10) from elbow (Figure 1, Item 8)

on cross fitting (Figure 1, Item 4).

3.

Loosen nut (Figure 1, Item 2) and remove double check valve No. 6 air line (Figure 1, Item 1) from elbow

(Figure

1,

Item

3) on cross fitting (Figure 1, Item 4).

4.

Loosen nut (Figure 1, Item 13) and remove secondary delivery air line (Figure 1, Item 14) from adapter

(Figure

1,

Item

12) on cross fitting (Figure 1, Item 4).

5.

Loosen nut (Figure 1, Item 6) and remove LQ-2 valve air line (Figure 1, Item 7) from adapter

(Figure

1,

Item

5) on cross fitting (Figure 1, Item 4).

6.

Remove elbows (Figure 1, Items 3 and 8) and adapters (Figure 1, Items 5 and 12) from cross fitting

(Figure

1,

Item

4).

TM 9-2320-272-23-3

0462

0462-2