18
TROUBLESHOOTING
ADDITIONAL ENGINE TROUBLESHOOTING
Reasons due to engine not star ng or shu ng off:
• Pump has reached 250°F and temperature switch
triggered engine to shut off.
•
BATTERY
is drained, check voltage for 12V.
•For further engine assistance, contact a Kohler
authorized dealer. For further machine assistance or
service, contact Jackrabbit.
NO FLOW COMING FROM WANDS
• The CO‐Jack only dispenses carbon monoxide while it is
running at max idle speed
.
• Check for any exhaust gas leaks.
• Verify clutch is working. If the belt is engaged while the
engine is running at max idle speed, the clutch is working
properly.
• If
PRESSURE RELIEF VALVE
, shown on page 11, is
completely ejec ng the exhaust gas, it will have to be re‐
adjusted or replaced.
• For further assistance/service, please contact Jackrabbit.
VACUUM PUMP OVERHEATING
• If the temperature gauge above the pump is reaching
270°F then the pump is ge ng too hot.
• Excess fric on inside the pump which can be caused by a
foreign object inside the pump.
• Running the CO‐Jack with no vacuum pump oil.
• Ensure engine is being idled down between holes.
• For further assistance or service, please contact
Jackrabbit.
TR
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