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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
If, after reading the troubleshooting chart you are still unable to rectify any
faults, please contact your local dealer or CLARKE International for assistance.
ENVIRONMENTAL RECYCLING POLICY
At the end of its working life, do not dispose of this product or its components
with general household waste. Any tools, accessories and packaging should
be sorted, taken to a recycling centre and disposed of appropriately.
Pump fails to
prime.
Priming chamber not
filled correctly.
Fill priming chamber leaving no
air gap.
Air leaking through the
suction line joints due
to damaged hose,
broken hose clamps,
split/ill-fitting gasket.
Carry out repairs as necessary.
Blocked inlet hose. Clean strainer and ensure it is not
submerged in mud or sediment.
Ensure there are no kinks in the
delivery hose.
Engine speed too low. Increase engine speed.
Damaged impeller. Dismantle pump and replace
impeller.
Air leaking through
damaged seal.
Replace seal.
Low output from
pump.
Engine speed too low. Increase engine speed.
Impellor clogged. Clean strainer and ensure it is not
submerged in mud or sediment.
Pickup or delivery hose
obstructed.
Clear obstruction and ensure
there are no kinks in hose.
High frictional losses in
long inlet hose.
Avoid un-necessary curves,
restrictions or valves.
Suction lift too high. Position pump as close as possible
to the water level.
Congested material
inside pump.
Dismantle pump and clean out.
Damaged impeller. Dismantle pump and replace
impeller.
PROBLEM CAUSE SOLUTION
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