IHI NIIGATA MG(L)26HLX, Instruction Manual, Page: 196 / 204

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S E C T I O N
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- M A I N T E N A N C E
5.3 TROUBLES AT THE TIME OF STARTING
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Trouble phenomenon and probable cause
→
Remedy
5.3.3 Fuel feed is irregular
(1) Air vent of fuel oil system
has not been made.
Carry out air vent.
(2) Entry of water into fuel oil. Drain water from fuel tank.
(3) Plugged fuel injection valves. Check fuel valve operating pressure.
(Refer to 4.4)
(4) Plunger of fuel injection
pumps is seized
Check fuel injection pumps
(Refer to 4.4)
5.3.4 Engine stalls after normal start
(1) Malfunction of safety device. Check if the safety device normally
operates.
(2) Obstruction to starting by engine's
abnormality stopping device.
Check the operation panel.
5.3.5 Lub. oil pressure fails to rise after engine start
Abnormality in lub. oil pump.
Abnormality in lub. oil
pressure regulator valve.
Immediately stop the engine and
inspect the entire lub. oil system.
Then apply pressure using the priming
pump.
CAUTION
If starting attempt is made with much fuel feed rate and if ignition failure
occurs even when the crankshaft turned, open indicator cocks, set fuel
injection pump rack position at "zero" and turn the crankshaft a number of
turns.
This work is required for discharging the fuel remaining in cylinders in
order to avoid rapid ignition.