Repair Diesel Engine, Air and Electrical Start.

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REPLACEMENT

TM-55-1905-223-24-3 Ship s Service Generator for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Disconnect starter motor.

TM 55-1905-223-24-3

3-13A. Repair Diesel Engine, Air and Electrical Start.

This task covers:

a. Removal,

Repair,

Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, mechanic's rail and

Generator removed, (paragraph 3-13).

marine diesel engines,

Cooling system drained (Table 2-1,

Item 24).

Lifting fixture P/N 3822512

Lube oil drained (Table 2-1, Item 15).

Lifting sling P/N 3375958

Battery bank disconnected (starboard).

Air system secured (port),

TM 55-1905-223-10.

Materials/Parts

Diesel engine P/N NTA-855E

for electric start or

P/N NTA-855A for air start

REMOVAL

NOTE

Place a tag on all hoses, lines, linkage, and electrical wiring

connections as they are removed. This will identify their

locations on installation of new engine.

a. Close the following external valves:

(1) Fuel supply.

(2) Fuel drain.

(3) Air supply (port engine).

(4) Clean oil supply.

(5) Dirty oil drain.

NOTE

Coolant supply, drain, and vent line valves should have been

closed when draining the cooling system.

3-30