Replace/Repair Diesel Engine. (FIGURE 3-34)

TM 55-1905-223-24-4

3-16. Replace/Repair Diesel Engine. (FIGURE 3-34)

This task covers:

a. Removal,

b. Repair,

c. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's rail

and marine diesel engines,

Emergency generator set shut down.

Fuel supply line disconnected from fuel

Lifting fixture P/N 3822512

inlet connection.

Torque wrench kit P/N 3377216

External wiring disconnected

(TM 55-1905-223-10).

Materials/Parts

Coolant drained.

Oil drained.

Diesel engine P/N 4BT3.9

Coolant, Item 4, Appendix C

REMOVAL

a. Disconnect exhaust outlet (para. 2-27).

b. Disconnect starting motor (para. 2-20).

Remove radiator assembly (para. 3-14).

d. Remove generator assembly (para. 3-15).

e. Remove five hex head screws (1) and lockwashers (2) from engine mounts.

WARNING

Engine is very heavy. Four crew members are required to move engine.

Attach lifting fixture to diesel engine. (FIGURE 3-34)

WARNING

Before moving engine, ensure lifting fixture is secured.

3-40