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 TM 55-1905-223-24-3
b. Disconnect starter motor.
(1) Disconnect the external wiring and cables on electrical starter motor, starboard engine (paragraph
(2) Disconnect air supply lines to air starter motor, port engine (paragraph 2-24).
c.
Disconnect all external electrical wiring to the instrument panel, fuel pump, and r mote sending units.
e
NOTE
Cover all engine openings as they are disconnected to keep dirt
and debris from entering.
d. Remove the inlet connection to the fuel filter assembly and drain excess fuel from the engine
e. Disconnect the coolant heater (paragraph 2-42).
(1) Disconnect the water inlet and outlet tubes to the engine.
(2) Disconnect the oil line to the pressure switch from the engine.
NOTE
The coolant heater is mounted separately to the engine
subbase. If the heater is to be replaced along with the engine
assembly continue with steps (3) and (4).
WARNING
Ensure that all power is off to the heater assembly.
(3) Remove electrical wiring to the coolant heater.
(4) Remove the mounting bolts from the subbase and remove the heater assembly.
f.
Disconnect the exhaust air piping.
g. Disconnect the following lines from the engine:
(1) Fuel supply and tank return lines.
(2) Clean oil supply line.
(3) Dirty oil drain line at sump pump.
(4) Coolant supply, drain, and remote expansion tank vent lines.
3-31
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