SECTION TSM 344 ISSUE E PAGE 23 OF 24
All moving parts in the pumps are submersed in the pumped fluid, which acts as a lubricant
and coolant. Do not run the pump dry.
Packing is not recommended for Explosive environments due to the possibility of high
temperature in the area of the stuffing box due to mis-adjustment. If packing is used, thermal
monitoring is required to meet ATEX requirements.
Verify pump turns freely.
The use of a strainer is recommended.
The use of bearing flushing is recommended.
The bearing housings need to be examined for signs of overheating, abnormal noise, or
discoloration on a daily basis. Alternatively continuous temperature monitoring can be fitted
and set to trip the drive power at 10 C above normal baseline temperature.
Monitor pump frequently when pumping non-lubricating fluids.
Check lubricant level weekly and monitor for leaks daily.
Regular cleaning is needed to prevent deposits from accumulating in a thickness great
enough to become an ignition hazard.
The pump must be grounded (bonded) at the “Protective Earth Ground” location marked on
the pump.
Vent cavities to prevent Oxygen / Air build up.
Recommend Temperature monitors.
Recommend Flow indicator.
Recommend Power monitor.
Recommend Pressure switch.
If an electric motor is used as a driver for the pump, it must be ATEX approved for the
environment.
All moving parts in the pumps are submersed in the pumped fluid, which acts as a lubricant
and coolant. Do not run the pump dry.
Recommend Power monitor.
Recommend Flow indicator.
Recommend Pressure switch.
Recommend Temperature monitors.
Max. radial wear on bearings is .13 mm (.005 in).
Monitor pump daily when pumping non-lubricating fluids for high temperatures at bearing
bosses.
Every 1000 hours inspect the pump for wear and rebuild with a repair kit if necessary.
Typical life of the pump bearings is 2000 hours. Regular maintenance and good record
keeping will provide a more accurate service interval.
Check condition of lip seals for the power frame every month to insure lubricant containment.
Recommend Temperature monitors.
Recommend Flow indicator.
Recommend Pressure switch.
Recommend Power monitor.
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