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 611 of 1417
REMOVAL
1.
Disconnect oil return hose (Figure 1, Item 6) from aerator (Figure 1, Item 3).
2.
Disconnect oil pickup hose (Figure 1, Item 2) from suction flange (Figure 1, Item 5).
3.
Remove two screws (Figure 1, Item 7), washers (Figure 1, Item 8), clamps (Figure 1, Item 1), oil return hose
(Figure 1, Item 6), and pickup hose (Figure 1, Item 2) from oil pan (Figure 1, Item 4).
1
2
3
4
5
6
7
8
M9782DAA
Figure 1.
Engine Oil Pan Removal.
4.
Remove six screws (Figure 2, Item 7) and washers (Figure 2, Item 6) from oil pan (Figure 2, Item 8) and flywheel
housing (Figure 2, Item 2).
5.
Remove four screws (Figure 2, Item 5) and washers (Figure 2, Item 4) from rear of oil pan
(Figure
2,
Item
8).
6.
Remove 30 screws (Figure 2, Item 10), washers (Figure 2, Item 9), four screws (Figure 2, Item 12), washers
(Figure 2, Item 13), brace (Figure 2, Item 11), oil pan (Figure 2, Item 8), and oil pan gasket (Figure 2, Item 3)
from engine block (Figure 2, Item 14), and front gearcase cover (Figure 2, Item 1). Discard oil pan gasket.
7.
Clean gasket remains from mating surfaces of brace, oil pan, engine block, and front gearcase cover.
TM 9-2320-272-23-2
0231
0231-2
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