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 1303 of 1393
REMOVAL
1.
Disconnect heater harness (Figure 1, Item 4) from heater control box (Figure 1, Item 7).
2.
Disconnect connector (Figure 1, Item 5) from control box wire (Figure 1, Item 6) on heater control box
(Figure
1,
Item 7).
3.
Remove two nuts (Figure 1, Item 2) and lockwashers (Figure 1, Item 3) from studs (Figure 1, Item 8) and
remove coolant heater box (Figure 1, Item 7) from mounting bracket (Figure 1, Item 10). Discard lockwashers.
4.
Remove two locknuts (Figure 1, Item 1), screws (Figure 1, Item 9), and mounting bracket (Figure 1, Item 10)
from underside of dash (Figure 1, Item 11). Discard locknuts.
1
11
10
9
8
7
6
5
4
2
3
M6143DAA
Figure 1.
Personnel Fuel Burning Heater Control Box Removal.
END OF TASK
TM 9-2320-272-23-4
0759
0759-2
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