Maintenance
Bearing maintenance
Bearing lubrication schedule
Type of bearing
First lubrication
Lubrication intervals
Grease-lubricated bearings
N/A
Regrease bearings every 2500
operating hours or every six months.
Regrease the grease-lubricated bearings
NOTICE:
Make sure that the grease container, the greasing device, and the fittings are clean. Failure
to do this can result in impurities entering the bearing housing when you regrease the
bearings.
1. Wipe dirt from the grease fittings.
2. Fill both of the grease cavities through the fittings with a recommended grease until
the fresh grease comes out of the relief holes.
3. Wipe off any excess grease.
4. Recheck the alignment.
The bearing temperature usually rises after you regrease due to an excess supply of
grease. Temperatures return to normal in about two to four operating hours as the pump
runs and purges the excess grease from the bearings.
Lubricating grease requirements
NOTICE:
• Never mix greases of different consistencies (NLGI 1 or 3 with NLGI 2) or with different
thickeners. For example, never mix a lithium-based grease with a polyurea-based
grease. This can result in decreased performance.
• Remove the bearings and old grease if you need to change the grease type or
consistency. Failure to do so can result in equipment damage or decreased
performance.
Specifications
• Regrease the pump while the pump is running.
• Regrease the pump bearing with NLGI grade 2 lithium base petroleum grease.
• Regrease the pump every 2500 operating hours or every six months.
• Lubricate the motor per the motor manufacturer's instructions.
• Always keep the pump and motor properly lubricated.
Disassembly
Disassembly precautions
This manual clearly identifies accepted methods for disassembling units. These methods
must be adhered to.
Maintenance
Series 1510 Installation, Operation, and Maintenance Manual
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