6 Maintenance
6.1 Maintenance schedule
Maintenance inspections
A maintenance schedule includes these types of inspections:
•
Routine maintenance
•
Routine inspections
•
Three-month inspections
•
Annual inspections
Shorten the inspection intervals appropriately if the pumped fluid is abrasive or corrosive or if the envi-
ronment is classified as potentially explosive.
Routine maintenance
Perform these tasks whenever you perform routine maintenance:
•
Lubricate the bearings.
•
Inspect the seal.
Routine inspections
Perform these tasks whenever you check the pump during routine inspections:
•
Check the level and condition of the oil through the sight glass on the bearing frame.
•
Check for unusual noise, vibration, and bearing temperatures.
•
Check the pump and piping for leaks.
•
Analyze the vibration.
•
Inspect the discharge pressure.
•
Inspect the temperature.
•
Check the seal chamber and stuffing box for leaks.
•
Ensure that there are no leaks from the mechanical seal.
•
Adjust or replace the packing in the stuffing box if you notice excessive leaking.
Three-month inspections
Perform these tasks every three months:
•
Check that the foundation and the hold-down bolts are tight.
•
Check the packing if the pump has been left idle, and replace as required.
•
Change the oil every three months (2000 operating hours) at minimum.
•
Check the shaft alignment, and realign as required.
Annual inspections
Perform these inspections one time each year:
•
Check the pump capacity.
•
Check the pump pressure.
•
Check the pump power.
6 Maintenance
Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual
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