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 TM 55-1905-220-24-1
3-12. Replace Main Propulsion Engine.
This task covers:
a. Removal
b. Replacement
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, general mechanic's,
Engine secured. TM 55-1905-223-10.
rail and marine diesel engine,
Fuel supply valve shut off.
TM 55-1905-223-10.
Engine lifting fixture,
All overhead obstructions (such as
P/N 3375109
piping and lighting fixtures)
Lifting sling, P/N 3375958
removed. TM 55-1905-223-24-18.
Materials/Parts
WARNING
Main propulsion engine, starboard
P/N S.O. 51165-KTA50M
The engine weights approximately
Main propulsion engine, port
11,000 pounds (4950 kg). Use
P/N S.O. 51180-KTA50M
extreme care when lifting engine
to prevent personal injury or
equipment damage.
REMOVAL
Overview. This section is about actions necessary to prepare the engine for removal,
and actions needed to install the repaired or new engine after it has been "shipped"
and positioned to its operating location.
WARNING
Before attempting any of the following actions, turn the fuel control shutoff valve
manual knob counterclockwise to the OFF position and the power switch
emergency stop to the STOP position and tag controls "Out of Service Do Not
Operate."
a. Disconnect reduction gear.
(1) Remove bolts securing the coupler to the flywheel.
(2) Remove the lube oil drain line where it connects to the sump pump. Plug or tape the hose and position
out of the way so it does not impede removal of the engine.
Change 1
3-10
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