• Situation:foreign matter into the pump, impeller stuck

  • Situation:Power failure

  • Situation:packing too tight

  • Situation:scale or rust

  • Situation:Excessive working fluid

  • Treatment:Rinse with water, or open the pump to check.

  • Treatment:Check if power is off or phase missing.

  • Treatment:Unscrew the gland bolts, start the pump, slowly tighten the gland bolts, to let a little water flow.

  • Treatment:Soaked with 10% oxalic acid for 30 to 60 minutes.

  • Treatment:Adjust the working fluid to the height of the pump axis.

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