MTU 20 V 4000 G23, Technical Publication

Page: 54 / 178

Operation 49
3.3 Starting the engine in manual mode
Preconditions
• Generator is not connected to network.
• External start interlock is not activated.
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury — danger to life!
• Before barring or starting the engine, ensure that nobody is in the danger zone.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
Preparation
Item Task
Operating mode selector switch (if
provided)
Change to manual mode.
Preheating pump (if provided) Switch ON.
Starting the engine
Item Task
Switching cabinet, control panel etc.
(depending on manufacturer)
If coolant temperature is
• > 40 °C (with preheating pump), or
• > 10 °C (60 Hz generator, without preheating pump), or
• > 5 °C (50 Hz generator, without preheating pump):
Press start button.
• Automatic starting procedure is performed;
• Tachometer indicates increasing crankshaft speed;
• After the starting procedure is completed, engine is running at
rated speed.
Connecting the generator to network, running the engine to reach operating temperature
Item Task
Switching cabinet, control panel etc.
(depending on manufacturer)
Close the generator circuit breaker.
Engine Run engine at 10 to 15 % of rated power to reach operating temperature.
Apply full load only after engine has reached operating temperature
(coolant temperature approx. 75 °C).
M015715/00E 06-08 © MTU