Repair Flywheel Housing

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FIGURE 4-71. Oil Ring Expander.

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 4-72. Flywheel Housing/Flywheel and Ring Gear Assembly.

TM 55-1905-223-24-1

4-17. Repair Flywheel Housing

This task covers:

Repair

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's rail

Engine shutdown. TM 55-1905-223-10.

and marine diesel engines,

Flywheel and housing group removed,

Torque wrench kit P/N 3377216

Lifting sling P/N 3375958

Heating torch or oven

Dowel puller P/N ST-1134

Drill and ream fixture P/N ST-1232

Crack detector kit P/N 3375432

Materials/Parts

Cleaning solvent, Item 15, Appendix C

Tempilstick crayon, 6000F (316 ), Item 32, Appendix C

Flywheel and ring gear assembly P/N 3017655

Ring gear P/N 124507

Gasket P/N 102827

REPAIR

Flywheel and ring gear assembly (1, FIG. 4-72).

(1)

Inspect the ring gear (2) for broken or cracked teeth.

(2)

Inspect the flywheel (3) mounting area by the dye penetrant method. Check for cracks around the

mounting holes of the pilot.

Change 1

4-76