Repair Exhaust Manifold Group

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REPLACEMENT

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

FIGURE 3-10. Exhaust Manifold Group.

TM 55-1905-223-24-1

3.18. Repair Exhaust Manifold Group. (FIG. 3-10)

This task covers:

a. Pre-Inspection

b. Repair

c. Assembly

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's

Exhaust manifold group removed, para.

rail and marine diesel engine,

2-33.

Torque wrench kit P/N 3377216

Machinist measuring tool set

Materials/Parts

Wood block, Item 17, Appendix C

Solvent, Item 15, Appendix C

Anti-seize compound, Item 5, Appendix C

Gaskets P/N 3015545, 3175908, 3037821

Coolant, Item 3, Appendix C

DISASSEMBLY

a. Remove hexagon head capscrews (8) and lockwashers (7).

b. Remove water transfer connections (6) from manifolds. Remove and discard gaskets (5).

c. Remove hexagon capscrews (3) and lockwashers (4).

d. Separate exhaust manifolds (1, 9, and 10) and remove gask ts (11). A mallet with a soft nose can be

used to separate the sections.

e. Remove sleeve bushings (12) only if they are loose.

f. Remove drain cocks (2) from manifolds (1, 9 and 10).

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