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 781 of 1469

REMOVAL

WARNING

•

Do not disconnect air lines 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.

•

Do not touch hot exhaust system components with bare hands. Failure to comply may

result in injury or death to personnel.

NOTE

•

Primary reservoir is located below the cab on right side frame rail above

secondary

reservoir.

•

Tag air lines for installation.

1.

Disconnect wet reservoir supply line (Figure 1, Item 6) from elbow (Figure 1, Item 7).

2.

Disconnect drain line (Figure 1, Item 8) from elbow (Figure 1, Item 9).

3.

Disconnect primary relay valve suply line (Figure 1, Item 1) from elbow (Figure 1, Item 10).

4.

Disconnect supply line (Figure 1, Item 2) from adapter (Figure 1, Item 4).

5.

Disconnect treadle valve supply line (Figure 1, Item 3) from adapter (Figure 1, Item 4).

NOTE

Assistant will help with Steps (6) and (7).

6.

Remove two locknuts (Figure 1, Item 11) and screws (Figure 1, Item 13) from clamps (Figure 1, Item 12).

Discard locknuts.

7.

Remove two locknuts (Figure 1, Item 11), screws (Figure 1, Item 13), clamps (Figure 1, Item 12), and reservoir

(Figure 1, Item 5) from clamps (Figure 1, Item 14). Discard locknuts.

TM 9-2320-272-23-3

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