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• Check to make sure the regulator is correctly mounted
and the mounting bolts are tight.
• Check the regulator for external damage.
Mixer/Throttle Control Device
The mixer and throttle body components have been
specifically designed and calibrated to meet the fuel system
requirements of the engine.
A dirty air filter can significantly alter the mixer performance.
Make sure the air filter is clean. When inspecting the mixer
and throttle body, check the following:
• Check for leaks at all the fittings.
• Make sure the mixer and throttle body are securely
mounted.
• Inspect and clean the air filter element according to the
recommended service intervals listed in the maintenance
chart.
• Inspect air inlet hose connection and clamp. Inspect hose
for cracking, splitting, or chafing. Replace as necessary.
• Check fuel lines for cracking, splitting, or chafing. Replace
as necessary.
• Check for leaks at the throttle body and intake manifold.
Alarms (Service Code Detection System)
The generator will have to run for long periods of time with
no operator present. For that reason, the system is equipped
with sensors that automatically shut down the generator in
the event of potentially damaging conditions, such as low oil
pressure, high temperature, over speed, and other conditions.
The generator's control board shows service alarm
descriptions on the digital display. The service alarm
descriptions are listed in the "Alarms" section inside the
online "Operation Instructions GC1031 GENSET
Controller" manual (part number 80086364).
Acknowledge and Reset the Alarms
(Service Code Detection System)
Push the up and down arrows (A) simultaneously to reset the
alarm.
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Electrical System Maintenance
Wiring and Connections
The generator electrical system incorporates computers to
control various components. The electrical system connectors
and grounds require good connections. When inspecting the
electrical system, check the following:
• Check the positive (+) and the negative (-) battery cables
for corrosion, rubbing, chafing, burning, and make sure
there are tight connections at both ends.
• Check the battery for cracks or damage to the case.
Replace as necessary.
• Inspect the engine wire harness for rubbing, chafing,
pinching, burning, and cracks or breaks in the wiring.
• Make sure that the engine harness connectors are
correctly locked in.
• Inspect the ignition coil wire for hardening, cracking,
chafing, burning, separation, and split boot covers.
• Inspect the spark plug wires for hardening, cracking,
chafing, burning, separation, and split boot covers.
• Replace the spark plugs at the required intervals listed in
the maintenance chart.
• Make sure that all electrical components are securely
mounted to the engine or chassis.
• Make sure that any additional electrical services installed
by the owner are correctly installed in the system.
Servicing the Battery
Servicing of the batteries is to be performed or supervised
by personnel knowledgeable of batteries and the required
precautions. Keep unauthorized personnel away from the
batteries.
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