Product Manual

9
39 590 01 Rev. C
KohlerPower.com
EN
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.
Problem
Possible Cause
Engine Not
Starting
Engine Stopped
Automatic
Priming Fault
Low Flow
Air cleaner blocked ●●
Fuel level too low ●●
Blocked fuel fi lter (E) ●●
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 (V)
●
Air in suction circuit ●
Engine speed control
lever (Q) set to MIN
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 ●