TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 631 of 1417
REMOVAL
1.
Loosen hose clamp (Figure 1, Item 15) and disconnect heater hose (Figure 1, Item 14) from shutoff valve
(Figure 1, Item 16).
2.
Remove shutoff valve (Figure 1, Item 16) and adapter (Figure 1, Item 13) from oil cooler (Figure 1, Item 8).
3.
Loosen hose clamp (Figure 1, Item 11) and disconnect surge tank-to-oil cooler hose (Figure 1, Item 12) from
oil cooler (Figure 1, Item 8).
4.
Loosen hose clamp (Figure 1, Item 10) and disconnect transmission cooler-to-oil hose (Figure 1, Item 9) from
oil cooler (Figure 1, Item 8).
5.
Disconnect air compressor coolant line (Figure 1, Item 3) and bushing (Figure 1, Item 2) from oil cooler elbow
(Figure 1, Item 1). Discard bushing.
6.
Remove five screws (Figure 1, Item 7), lockwashers (Figure 1, Item 6), oil cooler (Figure 1, Item 8), and gasket
(Figure 1, Item 5) from engine block (Figure 1, Item 4). Discard lockwashers and gasket. Clean gasket remains
from engine block and oil cooler mating surfaces.
TM 9-2320-272-23-2
0233
0233-2
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