Filter press pump failure and troubleshooting
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-. Propulsion System such as, Impeller; Bow Thruster;
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-. Various control devices, include Fresh Water valves, Sea Water valves, Lubricate Oil valves, Hydraulic valves, and Sea Water Pump; Fresh Water Pump; Hydraulic Pump; Sea Filter, etc.
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Solution to the problem
Can not hit the liquid 1, there is air in the suction tube 1, re-perfusion fluid or
2, suction tube leakage 2, check the suction pipe
3, pump less than 3 perfusion fluid, reperfusion fluid
4, there are debris sucking in the pipeline 4, remove clogged debris
5, pump reverse 5, adjust the steering
6, suction height is too high 6, reduce the installation height
Flow less than 1, impeller damage 1, replace the impeller
2, speed is not enough 2, check the motor and power supply lines
3, there are clogs in the pipeline 3, remove clogged debris
Power is too large 1, the proportion of the transmission medium is too large 1, reduce the viscosity or increase perfusion pressure
2, pump axis and motor axis error is too large 2, readjustment
3, there are mechanical friction 3, check where the friction, overhaul
Less than 1 lift, the air inside the transport medium 1, re-perfusion liquid or emptying gas
2, impeller damage 2, replace the impeller
3, speed is not enough 3, check the motor and power supply lines
4, the proportion of transport medium is too large 4, reduce the viscosity or increase perfusion pressure
Pump group vibration 1, the pump axis and the motor axis error is too large 1, readjust
2, Suction height, resulting in cavitation 2, reduce the installation height
3, a mechanical friction 3, check where the wear and tear, repair
Axial leakage and seal leakage 1, the shaft end snap ring gap is too large, the loose ring 1, adjust the ring screw
2, the suction height is too high, cavitation 2, reduce the installation height
3, mechanical seal, static ring wear, spring pressure 3, replacement of wear materials, adjust the spring
4, mechanical seal, static ring is not good fit 4, adjust the dynamic and static ring