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Chapter 8
Periodically the fuel system needs bleeding to prevent
starting failures and rough or erratic operation. This can
be caused from the generator running out of fuel, air
leaks between the fuel tank and the engine fuel pump,
and from replacing the fuel filter.
To bleed a typical system follow these steps:
Note: If the ADC 2100 indicates an overcrank fault
during this procedure, disconnect the negative wire from
the fuel solenoid (allowing the fuel injection pump to fill
with fuel) and repeat this procedure after allowing the
starter motor to cool down.
Note: Have a cloth handy during the bleeding procedure.
Wipe up all spilled diesel fuel after bleeding the system.
Wash hands after any contact with fuel oil.
1. Loosen the fuel filter screw at position 1 (See illustration
above).
2. Initieate the auto/start sequence until the fuel appears
free of air bubbles as viewed from the vent screw at
position 2. Tighten the screw.
3. Loosen the fuel filter screw at positon 2.
Diesel Generator-Bleeding the Fuel System
Initiate the auto/start sequence until until the fuel appears
free of bubbles as viewed from the vent screw at position
1.
2. Tighten the screw.
4. Loosen the fuel injection pump screw at position 5.
5. Initiate the suto/start sequence until the fuel appears
free of air bubbles as viewed from the vent screw at
position 5. Tighten the screw.
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