Troubleshooting
Do not attempt to service or replace major engine components, or any items that require special
timing or adjustment procedures. This work should be performed by a Kohler portable dealer.
Possible Cause
Air cleaner blocked
Fuel level too low
Blocked fuel filter
Fuel supply blocked or leaking
Level of liquid being pumped is too
low
Water level too low in pump body
Intake is blocked
Half-couplings not making an airtight
connection
Inadequate tightening of pump drain
plug (G)
Air in suction circuit
Engine lever (F) set to slow position
Pipe too long or bent
Suction side is too high up
Pipes leaking
Clogging-up of impeller
Wearing of impeller
Damage to mechanical seal
Loss of engine power
35 590 02 Rev. C
Engine Not
Engine
Starting
Stopped
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KohlerPower.com
Problem
Automatic
Priming Fault
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EN
Low Flow
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