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 745 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
Tag all lines for installation.
1.
Disconnect service brake control line (Figure 1, Item 2) from brake adapter (Figure 1, Item 3).
2.
Remove brake adapter (Figure 1, Item 3) from service brake chamber (Figure 1, Item 4).
3.
Disconnect vent line (Figure 1, Item 1) from elbow (Figure 1, Item 5).
4.
Remove elbow (Figure 1, Item 5) from service brake chamber (Figure 1, Item 4).
M9773DAA
4
5
1
2
3
Figure 1.
Service Brake Chamber Removal.
NOTE
Perform Step (5) for rear service brake only.
5.
Remove two nuts (Figure 2, Item 2), washers (Figure 2, Item 3), U-bolt (Figure 2, Item 5), and clamp
(Figure
2,
Item
4) from service brake chamber (Figure 2, Item 1).
TM 9-2320-272-23-3
0434
0434-2
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