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The following daily maintenance should be carried out for the water pump.
1. Check for any water leaks from the mechanical seals. (Mechanical seals lubricate a sliding surface with
only a small amount of water leaks. However, water leaks are usually not found in visual inspection.)
2. Check for any unusual vibration or noise.
3. In the event of insufficient flow rate or any other irregularities noted during operation, this could be caused
by a clogged strainer. In this case, the strainer should be cleaned.
4. The water pump is a replaceable part, the table below shows the replaceable parts available and the
possible reasons to change the parts on the water pump.
Expendable parts
Mechanical seal
Ball bearing
Note 1: The rubber packing should be replaced every time the pump is dismantled.
Pump Maintenance
Inspection and repair guideline
1 year
3 years
Replace when a leak occurs.
Replace if an abnormal sound is produced.
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