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 1381 of 1469
INSTALLATION - Continued
6.
Install spring brake chamber bracket (Figure 11, Item 11) on upper spring bracket and wear pad
(Figure
11,
Item
4) with screw (Figure 11, Item 1), two washers (Figure 11, Item 2), lockwasher
(Figure
11,
Item
10), and nut (Figure 11, Item 9). Do not tighten nut.
7.
Install U-bolt bracket (Figure 11, Item 8) on spring brake chamber (Figure 11, Item 12) with U-bolt
(Figure
11,
Item
5), two washers (Figure 11, Item 13), and nuts (Figure 11, Item 14). Tighten nuts
120 to 160 lb-ft (163 to 217 N·m).
NOTE
Assistants will help with Steps (8) and (9).
8.
Install two screws (Figure 11, Item 3), lockwashers (Figure 11, Item 6), and nuts (Figure 11, Item 7) on upper
spring bracket and wear pad (Figure 11, Item 4). Tighten nuts (Figure 11, Items 7 and 9) and
(Figure
10,
Item
6) 280 to 360 lb-ft (380 to 488 N·m).
M10177DAA
5
6
7
8
9
10
2
11
12
13
4
3
2
1
14
Figure 11.
Rear Spring Installation.
9.
Install upper spring saddle (Figure 12, Item 2) on spring seat (Figure 12, Item 5) with two U-bolts
(Figure
12,
Item
1), four lockwashers (Figure 12, Item 4), and nuts (Figure 12, Item 3). Tighten nuts
300 to 400 lb-ft (407 to 542 N·m).
M10178DAA
2
1
6
5
4
3
Figure 12.
Rear Spring Installation.
TM 9-2320-272-23-3
0539
0539-10
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