TM-9-2320-272-23-5

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 5 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-5 - Page 343 of 623

INSTALLATION - Continued

NOTE

•

Wrap all male pipe threads with antiseize tape before installation

•

Preform Steps (11) through (13) for rear-rear axle exhaust valve.

11.

Install reducers (Figure 4, Items 24 and 28) and elbows (Figure 4, Items 23, 25, and 29) on relief safety valve

(Figure 4, Item 9).

12.

Connect air lines (Figure 4, Items 22 and 30) to elbow (Figure 4, Items 23 and 29).

13.

Insert sleeve (Figure 4, Item 26) on air line (Figure 4, Item 27), and connect air line to elbow

(Figure

4,

Item

25).

NOTE

Perform Steps (6) through (8) for forward-rear axle relief safety valve.

14.

Install reducers (Figure 4, Items 6 and 10), elbows (Figure 4, Items 7 and 12) and tee (Figure 4, Item 3) on

relief safety valve (Figure 4, Item 9).

15.

Connect air lines (Figure 4, Items 8 and 11) on elbows (Figure 4, Items 7 and 12).

16.

Insert sleeves (Figure 4, Items 2 and 4) on air lines (Figure 4, Items 1 and 5), and connect air lines to tee

(Figure 4, Item 3).

NOTE

Perform Steps (17) through (19) for front axle relief safety valve.

17.

Install reducers (Figure 4, Items 13 and 18), connectors (Figure 4, Items 14 and 16), and elbow

(Figure

4,

Item

21) on relief safety valve (Figure 4, Item 9).

18.

Connect air lines (Figure 4, Items 15 and 17) to connectors (Figure 4, Items 14 and 16).

19.

Insert sleeve (Figure 4, Item 20) on air line (Figure 4, Item 19), and connect air line to elbow

(Figure

4,

Item

21).

TM 9-2320-272-23-5

0809

0809-6