8
MAINTENANCE
WARNING
Before checking the condition of the pump, ensure it is unplugged from the
mains supply. If the unit is hard wired, ensure the circuit breaker is open.
The pump should require no maintenance other than regular cleaning. Its’
mechanical seal is lubricated in an oil chamber, and its’ bearings are ‘sealed for
life’. If the pump starts to show signs of wear or damage, contact your CLARKE
dealer for advice. Do not use the pump if there is any damage to the mains
supply cable, or to the float switch or its cable.
Check the pump installation regularly to ensure the base inlet is clear of leaves or
other debris.
Note that the pump is fitted with automatic thermal overload protection. If it
overheats due to an obstruction in the pump, or pumping warm water in excess
of 50
o
C for example, it will shut off automatically. Switch the pump OFF and
disconnect from the mains supply. Check for blockages and allow the motor to
cool (at least 15 minutes) before attempting to restart.
Do not attempt to repair the pump yourself, as you may damage the seals and
invalidate your guarantee. Repairs must be carried out by a qualified pump
engineer, your CLARKE dealer, or contact the CLARKE Service Department, on:
020 8988 7400
If the pump becomes badly clogged, backflush the pump chamber by directing
a jet of clean water through the outlet port. If you remove the outlet port adapter
when you perform this operation, take the opportunity to inspect the impeller for
wear or damage, viewing it through the outlet port.
WARNING:
Do not attempt to strip the pump further as this will invalidate the guarantee
ANNUALLY OR EVERY 2000 WORKING HOURS
(Whichever is sooner)
The sealing oil must be checked by a qualified pump engineer. Consult your Clarke
dealer, or Clarke International Service Department.
SUITABLE HOSE AND HOSE ADAPTERS
ARE AVAILABLE FROM YOUR CLARKE DEALER