5 Preventative Maintenance
5.1 General comments
A routine maintenance program can extend the life of your pump. Well maintained equipment will last
longer and require fewer repairs. It is recommended maintenance records be kept, this will help pinpoint
potential causes of problems.
The preventive maintenance section must be adhered to in order to keep the applicable
ATEX classification of the equipment. Failure to follow these procedures will void the ATEX classification
for the equipment. Bearing replacement intervals are given in the specific pump model IOM.
5.2 Maintenance schedule
Routine Maintenance
•
Bearing lubrication
•
Seal Monitoring
•
Vibration analysis
•
Discharge pressure
•
Temperature monitoring
Routine Inspections
•
Check level and condition of oil through sight glass on bearing housing.
•
Check for unusual noise, vibration and bearing temperatures.
•
Inspect pump and piping for leaks.
•
Check stuffing box leakage.
•
Packing: Excessive leakage requires adjustment or possible packing replacement.
•
Mechanical Seal: Should be no leakage.
Quarterly Inspections
•
Check foundation and hold-down bolts for tightness.
•
If pump has been left idle, check packing. Replace if required.
•
Oil should be changed at least every 3 months or more often if there are any adverse atmospheric
conditions or other conditions which might contaminate or break down the oil.
5.3 Liquid end
5.3.1 To disassemble the liquid end
1.
Drain pumpage from pump and pipe line. Disconnect auxiliary lubrication lines, suction and dis-
charge pipe line connections. Uncouple pump from driver.
5 Preventative Maintenance
Model JC Installation, Operation and Maintenance Instructions
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