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Item 51545–51547
Page 8
The Tool Experts
10 2022-1
Insufficient flow rate
Cause
Solution
Suction lift too high
Check suction lift.
Suction strainer dirty
Clean suction basket.
Water level drops rapidly
Lower suction valve.
Pump capacity reduced because of harmful sub-
stances
Clean pump and replace worn parts.
Thermo-switch switches off pump
Cause
Solution
Engine overloaded – excessive friction due to for-
eign particles
Dismantle and clean pump, prevent sucking-in of
foreign matter (Filter).