Operating Guide

17
ENGLISH 66520
TROUBLESHOOTING
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Problem Cause Solution
Semi-trash pump will not start
No fuel Add fuel
Faulty spark plug Replace spark plug
Semi-trash pump will not start;
Semi-trash pump starts but runs
roughly
Low oil level
Fill crankcase to the proper level;
place semi-trash pump on a flat,
level surface
Choke in the wrong position Adjust choke
Spark plug wire loose Attach wire to spark plug
Semi-trash pump shuts down
during operation
Out of fuel Fill fuel tank
Low oil level
Fill crankcase to the proper level;
place semi-trash pump on a flat,
level surface
Semi-trash pump overheating or
performing poorly
Strainer or hose clogged
Remove debris from strainer or
hose
Pump not primed Re-prime pump
Suction hose out of water
Place suction hose under the
surface of the water
Head limit exceeded
Relocate pump so suction head
is less than discharge head
(maximum 98 feet)
Air leak
Tighten connectors and clamps or
replace seal packing
Pump will not draw water
Water not added to pump
Review “Priming the Pump”
section of this manual
Hose clamps on inlet hose are not
tight
Even small pinhole leak can result
in vacuum loss preventing pump
from priming. Check hose clamps
to ensure they are tight. Adjust
clamp position if necessary.