Inspection cycle |
Inspection part |
Inspection and maintenance |
Every week |
Pump |
Check gland packing cover leakage quantity. If necessary, tighten. |
Drive / motor |
Clean oil, dust, dirt, water or chemical deposit on the motor. Make sure that air flows smoothly through the motor. |
Every month |
Pump |
Proper centerline alignment. |
Drive / motor |
Check motor bearing temperature. If the temperature is too high check for any water accumulation, insulation resistance, corrosion, or lubrication problem. Contact motor anufacturer. |
Every quarter |
Stuffing box |
Inspect gland packing. If necessary, replace. |
Check lantern ring position. |
Shaft |
Check shaft. A damaged shaft will accelerate gland packing wear. When damage is significant, repair or replace the shaft immediately. |
Every 6 month |
Pump |
- Check for any unusual vibration or noises. If occured, inspect the pump.
- Check the conditions of the oil and grease. If necessary, replace.
- Check the contact surface of the bearing for significant wear. If
necessary, replace.
|
Pump foundation |
Check the position of the foundation. A poor foundation may lead to poor center alignment of the pump and create suction or discharge stress. Proper foundation is a must. |
Pump performance |
Check discharge and suction pressure readings for any changes. If performance reduction is above 10%, adjusted the impeller. |
Annualy |
Flushing piping |
Check if the gland packing cover or by-pass piping on the bearing cover had any build-ups that blocked the flow of the fluid. |
Pump efficiency |
Measure differential pressure and flow rate. Record electrical readings. Compare them with original efficiency. If efficiency is reduced by more than 5%, adjust impeller gap or replace wear ring. |
Bearing box |
Replace grease or oil. |
Steady bearing (vertical pump) |
Check if wear is severe. If it's greater than three times the allowed value, a replacement would be necessary. |