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3.4 Engine Start
Before using the engine, choose proper lubricating oil, fuel and coolant according to local ambient conditions. Besides,
the following work should be done before starting:
xMake a surround inspection of the engine and its starting system, and solve problems in time if any.
xCheck oil pressure and temperature gauges, coolant temperature gauge, warning lights and other instruments for
normality.
xCheck the service indicator of the air filter for appearance of red piston.
Caution: Do not to start the engine without an air filter to avoid early engine wear. Marine engine is
exceptional.
xCheck the service indicator of the primary fuel filter for appearance in red.
xCheck the oil level for being within the specified range. Add proper amount of clean oil into the turbocharger oil inlet
port when the engine is first put into use or after being overhauled.
xCheck the coolant level for being within the specified range.
xCheck the electrolyte level for being within the specified range.
x When the engine is first put into use, or overhauled, or out of service for some days, or its fuel filter has just been
replaced, there can be air in the fuel system. It is required to prime the fuel system with the priming pump. Refer to
Section 4.3 for specific priming operation.
xCheck the electric starting wires for normality.
xAll the safety devices must be installed in place.
xCheck the accelerator pedal or lever for free movement.
3.4.1 Normal starting procedure
xDisengage the engine from the drive system, or put transmission into the “neutral” position if equipped.
xPut the mechanical operating devices into the “running” position.
x Insert electric key and turn the switch from the OFF position to the ON position to electrify intake air heating device
and other electrical devices. The pre-heating indicator light flashes on when intake air pre-heating proceeds and it
doesn’t flash when no pre-heating happens.
x If pre-heating happens, wait until the pre-heating indicator light goes out and then turn the switch from the ON
position to the START position to start the engine. For vehicle application, it is required to step on the accelerator
pedal when starting.
Caution: Starting time should be no more than 15 seconds and there should be a two-minute interval
before the next starting so as to prevent the damage to starting motor.
Each starting usually lasts 2 -3 seconds.
xThe switch goes back to the ON position from the START position automatically after starting up.
Caution: The oil pressure gauge should show reading within 15 seconds after the engine has successfully
been started; otherwise, stop the engine immediately to prevent damage to the engine and find the causes and
remove the fault according to Section 5 Troubleshooting Guidelines.
xStarted up from a hot state, the engine should run at idle for 1-3 minutes before being accelerated and loaded
gradually.
xStarted up from a cold state, the engine should run at idle for 3-5 minutes. Increase the engine speed slowly to have
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