Fault one: the pump is not suction gauge and vacuum gauge pointer violently beating
Reasons: 1. Insufficient filling perfusion 2. Pipeline and instrumentation joints leak 3. Suction too high
Solution: 1. Check whether the end of the valve leakage. Re-hire enough water 2. Tighten the leak 3. Lower water absorption height
Fault two: the pump does not absorb water vacuum table indicates a high degree of vacuum
Reason: 1. The end of the valve is not open or blocked 2. The suction pipe resistance is too large 3. The filter is clogged
Solution: 1.Check? Chase 2. replace the suction 3. clean the filter
Failure three: pressure gauge pressure but still no water
Reason: 1. The outlet pipe resistance is too large 2. The direction of rotation is wrong 3. The outlet pipe valve is not open 4. The impeller is clogged
Solution: 1. Check the hiss tick Oh trip 2. Check said ç¼? Intermodulation of each other 3. Open the outlet valve 4. Clear the dirt inside the impeller
Fault four: reach the design flow
Reason: 1. There is air inhalation 2. As the water level decreases. Inundation depth is not enough 3. Impeller blockage of foreign body 4. Rotor part of the serious wear and tear
Solution: 1.Check Temple Temple 徊 lesson ⑴ ⑴ cowardly to extend the suction pipe to deepen the depth of flooding 3. Remove and remove foreign objects 4. Replace the seal ring
Fault five: pump power consumption is too large
Reason: 1. Packing pressed too tight. And fever 2. Flow too large 3. Swivel body and shell with friction 4. Pump bearing wear 5. Pump shaft bending
Solution: 1. Appropriate relaxation packing pressure 2. Off gate valve opening 3. Trim slewing body and shell position 4. Replace the bearing 5. Replace or correct
Failure six: Pump vibration increased
Reason: 1. Impeller partially blocked 2. Impeller damaged 3. Flow is too small 4. Pump shaft and motor are not the heart 5. Bearings damaged 6. Mixed with air. Cavitation occurs
Solution: 1. Removal and removal of foreign matter 2. Replace impeller 3. Slightly open the outlet valve 4. Fixed point to find 5. Change the suction bit. Improve the water absorption
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