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 1220 of 1393
FIELD MAINTENANCE
CAB HEAT AND DEFROST AIR DUCTING REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Equipment Condition
Parking brake set. (TM 9-2320-272-10)
REMOVAL
1.
Remove eight screws (Figure 1, Item 5) and instrument cluster (Figure 1, Item 7) from instrument panel
(Figure
1, Item 6).
2.
Loosen six clamps (Figure 1, Item 4) and remove cab heat ducting hose (Figure 1, Item 9) and defrost ducting
hoses (Figure 1, Items 1 and 10) from diverter (Figure 1, Item 2), exhaust flange (Figure 1, Item 8), and two
defrost air flanges (Figure 1, Item 3).
M5182DAA
1
2
10
9
7
6
5
4
4
1
3
10
8
Figure 1.
Cab Heat and Defrost Air Ducting Removal.
END OF TASK
TM 9-2320-272-23-4
0744
0744-1
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