Replace Flywheel Housing Group. (FIGURES 3-90 through 3-92)

TM 55-1905-223-24-4

3-29. Replace Flywheel Housing Group. (FIGURES 3-90 through 3-92)

This task covers:

a. Removal,

b. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's

Engine secured (TM 55-1905-223-10).

rail and marine diesel engines,

Remove external wiring and tagged "Out

of Service."

Torque wrench kit P/N 3377216

Remove generator assembly (para. 3-15).

Combination wrench set, metric

10mm thru 24mm, 5120-01-046-4979

Materials/Parts

Engine flywheel P/N 3905831

Warning tags, Item 21, Appendix C

REMOVAL

a. Hold the flywheel to prevent rotation. Hold a wrench on the bearing nut behnd the flywheel housing to prevent

crankshaft rotation.

b. Install two 1/2-13 x 1 1/2 puller capscrews which have a minimum of 1 1/4-inch threaded area at (1 and 2,

Remove capscrews and washer (3) and (4), and install two 5/8-18 x 6-inch guide studs.

FIGURE 3-90. Flywheel Removal.

3-85