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

  TM-9-2320-272-23-4 - Page 1189 of 1393

RESERVOIR 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 air lines for installation.
1.
Remove setscrew (Figure 3, Item 13) and knob (Figure 3, Item 14) from windshield wiper control
(Figure 3, Item 11).
2.
Remove nut (Figure 3, Item 1), lockwasher (Figure 3, Item 2), and windshield wiper control (Figure 3, Item 11)
from instrument panel (Figure 3, Item 4). Discard lockwasher.
3.
Remove clamp (Figure 3, Item 10) and hose (Figure 3, Item 12) from windshield wiper control
(Figure 3, Item 11).
4.
Remove hose (Figure 3, Item 9) and elbow (Figure 3, Item 8) from windshield wiper control (Figure 3, Item 11).
5.
Remove clamp (Figure 3, Item 6) and duct hose (Figure 3, Item 5) from defrost duct (Figure 3, Item 3). Pull
duct hose from firewall (Figure 3, Item 7).
6.
Disconnect hoses (Figure 3, Item 17) and (Figure 3, Item 31) from jets (Figure 3, Items 15 and 18).
7.
Remove wingnuts (Figure 3, Item 19) and (Figure 3, Item 33) and jets (Figure 3, Items 15 and 18) from cab
(Figure 3, Item 32).
8.
Remove hoses (Figure 3, Item 17), (Figure 3, Item 30), and (Figure 3, Item 31) from tee (Figure 3, Item 16).
9.
Remove clamps (Figure 3, Item 22) and (Figure 3, Item 23) and hoses (Figure 3, Items 12 and 30) from
windshield wiper reservoir cap (Figure 3, Item 24).
10.
Remove windshield wiper reservoir cap (Figure 3, Item 24) from windshield wiper reservoir (Figure 3, Item 25).
11.
Remove windshield wiper reservoir (Figure 3, Item 25) from bracket (Figure 3, Item 26).
12.
Remove three locknuts (Figure 3, Item 29), screws (Figure 3, Item 27), and bracket (Figure 3, Item 26) from
mounting bracket (Figure 3, Item 28). Discard locknuts.
13.
Remove grommets (Figure 3, Item 20) and (Figure 3, Item 21) and hoses (Figure 3, Items 12 and 30) from
firewall (Figure 3, Item 7).
TM 9-2320-272-23-4
0737
0737-4


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