Teikoku Electric Pump F500-12538A4BM-2022P1AV

Open vent valve slowly and pay attention to liquid, especially for toxic or high temperature liquid

Open discharge valve for a few seconds and close it again

Bleed air from the air vent valve (36)

If handling a dangerous liquid, did you pay full attention to air venting?

For R & RA-type pumps, are all valves in reverse circulation piping opened?

Adjust valve for R & RA-type pumps

Ensure all valves in the reverse circulation line are fully open during pump operation

Verify correct restriction orifice is installed in the reverse circulation line

Enter the reverse circulation flow rate

Is the flow rate within the specified range?

Enter the rated current indicated on the nameplate

Is the overload relay set at the rated current indicated on the nameplate?

Is the overload relay set as close to actual operating conditions as possible?

Does the overload relay setting exceed the nameplate full load rating?

Select the recommended relay setting based on voltage & load variation

Confirm that the relay setting applies to initial commissioning — one-time setting before first start

Inspect the following points for the bearings

Is there any issue with the inspected points?

Bearing Removal and Replacement

Remove the Set Screw (48) and take out the bearing

Select the motor frame for bearing wear limits

Enter the measured øA-øB value (mm)

Check discharge pressure frequently during operation

Ensure pressure is stable in a non-variable closed loop

Check motor amps at normal operations

Verify motor amps are within the expected range

Ensure pump is not operating above the rated full load amps listed on the nameplate

Check for excessive air or vapor in the liquid supply

Stop the pump and vent all accumulated vapor if large fluctuations are observed in the discharge pressure gauge

Stop the pump if any abnormal noise or vibration is observed and check for possible causes