Clarke 7120405 운영 및 유지보수 지침 매뉴얼 - 페이지 11
{카테고리_이름} Clarke 7120405에 대한 운영 및 유지보수 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Clarke 7120405 17 페이지. 2” electric water pump
페이지 인쇄
TROUBLESHOOTING
Problem
Pump does not run.
Pump fails to prime
Pump runs but gives poor
output
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
Cause
Thermal protection has
been activated.
Faulty power connection Insert plug securely.
No mains supply
Impeller seized/blocked
Air leaks through suction
hose joints (damaged
hose, broken clamp,
damaged.
Blocked inlet hose
Congested material
inside pump
Suction or delivery line
obstructed.
Inlet pipe leakage.
Air leaks through
damaged seal.
Impeller damaged and
making poor seal.
Impeller / mechanical
seal is badly worn.
11
Solution
If the motor has over-
heated, wait for it to cool
down before trying
again.
Check fused power
supply and replace fuse
if necessary (check fuse
rating). Check circuit
breaker
Disconnect pump from
power supply.
Investigate cause and
clear blockage
Repair connections/
replace hose as
necessary.
Check pipeline for block-
age. Check any inlet
valve fitted is fully open.
Clean out & backflush
pump.
Remove obstruction and
ensure there are no kinks
in delivery line.
Check inlet pipe and
connector for leaks.
Tighten as required.
Renew seal.
Return to your Clarke
dealer for repair
Return to your Clarke
dealer for repair.