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Shijiazhuang Tech-macro Pump Industry CO.,Ltd
Add: No.55 Kunlun Great Street Shijiazhuang City PRC
Code: 050035
Tel: 0086-311-89809027
Fax:0086-311-85118271
Email:tech-macro@tm-pump.com Click’Contact Us‘ to Read more......
Service&Solution
FAQ(Possible Faults and Removal/Solution During Pump Operation)

Possible Faults and Removal/Solution

Faults

Reason

Removal /Solution

Pump fails to

discharges any liquid

Air leaking into suction or gland.

Incorrect direction of pump rotation & impeller worn.

Suction pipe blocked.

Sealed leakage.

Check direction of rotation and replacing impeller

Removal block.

Shaft power consumption is excessive.

Gland excessively tightened against packing rings.

Rotating component rubbing on a stationary part.

Bearing warn.

Drive a belt tension too tight.

Flow rate too large.

Pump speed &  ratio  too high

Misalignment or unparallel of drive shaft and pumps shaft

Loosen gland bolts.

Removal the rubbed part.

Replace the bearing.

Adjusting belt.

Modifying the Pump duty and speed

adjusting drive & pump shaft

Bearing is over heating.

Lubricants too much or less.

Containing impurities in the lubricant.

Bearing worn.

Lubricating as requirements.

Replace new lubricant.

Replace new bearing.

Bearing has

short life

Misalignment or unparallel of drive and pump shaft.

Shaft bent.

Impeller unbalanced due to wear.

Foreign object entered into the bearing or insufficient lubrication.

Incorrect Procedure followed in fitting bearings.

Adjusting drive and pump shaft.

Replacing shaft.

Remove rubbing and replacing new impeller.

Clean the bearing.

Replacing or refitting the bearing

Excessive leakage from stuffing box

Packing rings excessive worn.

 Shaft sleeve worn.

Dirty sealing water.

Replace new packing rings.

Replace shaft sleeve.

Change clean sealing water

Pump vibrates

or is noisy.

Bearing worn.

Impeller unbalanced.

Air entered into suction pipe or blocked.

Flow rate non-uniform and pump not primed

Replaced by new bearings.

Replaced by new impeller.

Discharge air and remove block.

Improve on the Pump feeding.

Copyright:Shijiazhuang Tech-macro Pump Industry CO.,Ltd  
Address:No.55 Kunlun Great Street Shijiazhuang City PRC  Phone:0086-311-89189193
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