TM-9-2320-272-24-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 216 of 799

TM 9-2320-272-24-3

4-72. TRANSMISSION REPLACEMENT (OUT-OF-VEHICLE) (Contd)

9.

10.

11.

12.

13.

NOTE

l

Use engine barring tool to rotate engine crankshaft when

aligning flywheel to converter screw holes.

l

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 install remaining screws.

Using engine barring tool, rotate crankshaft until screw holes in converter (9) and flywheel (1) align

with access hole (8).

Roll shim stock (3) into tube form and size to tit diameter of access hole (8). Insert shim stock (3) in

access hole (8) and position over screw hole and against flywheel (1).

Install twelve screws (7) on flywheel (1) and converter (9) in the same manner. Tighten screws (7)

41-49 lb-ft (56-66 N

l

m).

Remove shim stock (3) from access hole (8).

Install new gasket (4) and cover plate (5) on flywheel housing (2) with two screws (6). Tighten

screws (6) 5-8 lb-ft (7-11 N

l

m).

4-480