Replace/Repair Cam Follower and Housing Group.

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FIGURE 4-35. Crosshead Disassembly/Assembly.

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

FIGURE 4-38. Cam Follower Removal/Installation.

TM 55-1905-220-24-1

4-11. Replace/Repair Cam Follower and Housing Group.

This task covers:

a. Removal,

b. Disassembly,

c. Repair,

d. Assembly,

e. Replacement.

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanics rail

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

and marine diesel engines,

Air intake manifold removed, para 2-32

Rocker lever housing group, rocker

Torque wrench kit P/N 3377216

lever housing cover removed,

Magnaglo tester P/N H620

Roller pin block P/N ST-1283

Machinist measuring tool set,

Materials/Parts

Sand paper 240 grit, Item 21, Appendix C

Gasket P/N 3040721

Solvent, Item 15, Appendix C

REMOVAL

a. Remove push rods (3 and 4, FIG. 4-39) after removing rocker levers (para. 2-30). Lift push rods

straight up to remove.

b. Remove capscrews (3, FIG. 4-37), lockwashers (5), washers (4), cam follower covers (2), and gaskets

(1). Discard gasket.

c. Remove capscrews (1, FIG. 4-38) and lockwashers (2) securing the cam followers (3) to the cylinder

block.

d. Remove cam follower assembly (3, FIG. 4-38).

e. Clean the cam follower assembly (3) and capscrews (1) with solvent. Check the assembly for obvious

damage. Verify the shaft (10, FIG. 4-39) rotates easily.

Change 1

4-30