TM-9-2320-272-23-4
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-4 - Page 1367 of 1393
REMOVAL (M939/A1)
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.
1.
Remove nut (Figure 1, Item 5), screw (Figure 1, Item 2), and clamp (Figure 1, Item 3) from supply hose
(Figure
1,
Item
4) and remove supply hose from pressurized valve (Figure 1, Item 6) and pressurized valve
adapter (Figure 1, Item 1).
2.
Remove locknut (Figure 1, Item 26), screw (Figure 1, Item 24), clamp (Figure 1, Item 25), and power steering
pump hose (Figure 1, Item 28) from bracket (Figure 1, Item 22). Discard locknut.
3.
Remove power steering pump hose (Figure 1, Item 28) from pressurized valve connector (Figure 1, Item 27)
and adapter (Figure 1, Item 20).
4.
Remove five tiedown straps (Figure 1, Item 18) from pressure hose (Figure 1, Item 7) and vent hose
(Figure
1,
Item
8). Discard tiedown straps.
5.
Remove pressure hose (Figure 1, Item 7) and bushing (Figure 1, Item 17) from toe (Figure 1, Item 16) and
pressurized valve connector (Figure 1, Item 31).
6.
Remove vent hose (Figure 1, Item 8) and bushing (Figure 1, Item 15) from toe (Figure 1, Item 14) and
pressurized valve connector (Figure 1, Item 30).
7.
Remove air line (Figure 1, Item 9) from shutoff valve (Figure 1, Item 10) and alcohol evaporator
(Figure
1,
Item
13).
8.
Remove drain valve (Figure 1, Item 11) and elbow (Figure 1, Item 12) from alcohol evaporator
(Figure
1,
Item
13).
9.
Remove adapter (Figure 1, Item 20) from power steering pump (Figure 1, Item 21).
10.
Remove shutoff valve (Figure 1, Item 10) from air compressor (Figure 1, Item 19).
11.
Remove screw (Figure 1, Item 29) and bracket (Figure 1, Item 22) from radiator support bracket
(Figure
1,
Item
23).
TM 9-2320-272-23-4
0770
0770-2
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