In the repair process, the water pump fault diagnosis is a key link given below some common faults and eliminate measures for all targeted for water pump fault diagnosis.
Pump fault diagnosis and repair
1 Liquid-free, under-supplied liquid or under-pressured
1) Pump is not filled or not properly vented
Remedy: Check that the pump housing and inlet lines are completely filled with liquid.
2) the speed is too low
Elimination measures: Check the motor wiring is correct, the voltage is normal or the turbine steam pressure is normal.
3) system head is too high
Elimination measures: Check the system head (especially the friction loss).
4) suction is too high
Elimination measures: Check the existing net head (inlet pipe is too small or too long will cause a great friction loss).
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