TM-9-2320-272-23-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-3 - Page 309 of 1469
REMOVAL - Continued
NOTE
•
The use of shim stock tube in torque converter access hole prevents converter screw
from falling down behind flywheel. A loose screw may cause a lockup condition,
preventing crankshaft rotation required to remove remaining screws.
•
Engine crankshaft may be turned using barring tool.
5.
Remove two screws (Figure 3, Item 1), access cover (Figure 3, Item 14), and gasket (Figure 3, Item 13) from
flywheel housing (Figure 3, Item 11). Discard gasket.
6.
Using engine barring tool, rotate crankshaft until screw (Figure 3, Item 7) is visible in access hole
(Figure
3,
Item
9).
7.
Roll shim stock (Figure 3, Item 8) into tube form and size to fit diameter of access hole (Figure 4, Item 9). Insert
shim stock in access hole and position over screw (Figure 3, Item 7) against flywheel (Figure 3, Item 12).
8.
Remove remaining 12 screws (Figure 3, Item 7) from flywheel (Figure 3, Item 12) and converter
(Figure
3,
Item
10) in the same manner.
9.
Remove four screws (Figure 3, Item 6), lockwashers (Figure 3, Item 5), and clamp (Figure 3, Item 4) from 9,
11, 1, and 3 o'clock positions on flywheel housing (Figure 3, Item 2) and transmission (Figure 3, Item 3).
Discard
lockwashers.
TM 9-2320-272-23-3
0373
0373-4
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