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Bleeding the Fuel System
Moving Parts.
Will cause severe injury or death.
During operation, some parts of the generator set can become extremely hot. To avoid
burns, allow the engine to cool sufficiently before bleeding the fuel system.
Always stop the engine before bleeding the fuel system. DO NOT bleed the fuel system
while the engine is running.
Always put the generator set in OFF mode before bleeding the fuel system. If the generator
set is in AUTO mode, the generator set may start automatically, without warning.
Air can get into the fuel system many ways including if the fuel tank has been run dry, fuel lines have
been removed, the fuel filter has been removed, or the generator set has not been used for an extended
time. If air has become trapped in the fuel system, use the following steps to bleed the fuel system.
1. Shut down the generator set and put it in OFF mode.
2. Ensure the generator set is on a level surface and properly supported.
3. Allow the generator set to cool fully.
4. Ensure the fuel tank is full of clean diesel fuel.
5. Disconnect the power leads from the fuel pump.
6. Connect a 12VDC source to the fuel pump leads to power the pump. You will hear the fuel pump run.
7. Allow the pump to run until the system is primed.
8. Disconnect the 12VDC source from the fuel pump.
9. Reconnect the power leads to the fuel pump.
Hot Engine and Exhaust System
Can cause severe injury or death.
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