Kohler 20EORDB Operation - Page 25
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3.4.4
Bleeding the Fuel System
Bleed air from the fuel system to prevent starting failures
and/or erratic operation. One or more of the following
causes air to collect in the fuel system:
Operating the generator set until it runs out of fuel.
D
Developing air leaks in the plumbing between the fuel
D
tank and the engine-mounted fuel pump.
Replacing the fuel filter.
D
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 rag handy during the bleeding procedure.
Wipe up all spilled diesel fuel after bleeding the
system. Wash hands after any contact with fuel oil.
Note: Do not crank the engine to prime the fuel system.
Use the following procedure.
Fuel System Priming Procedure
1. Press and hold the Select button located on the
ADC. See Figure 3-5.
2. Move the generator set master switch to the RUN
position to enter the programming mode.
3. Continue to hold the Select button for 10 seconds.
The ADC will display "Fuel" and the fuel priming
pump will start.
4. Continue to hold the Select button for as long as
you want the fuel priming pump to function
(typically 10 seconds).
5. Release the Select button and move the Master
switch to the OFF position.
6. Place the Master switch to the RUN position to start
the unit.
TP-6551 2/14
1
2
3
1. ADC control
2. Select button
3. Generator set master switch
Figure 3-5 ADC Control
Section 3 Scheduled Maintenance
ADV7031-A
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