ITT Goulds Pumps XHD, Installation, Operation And Maintenance Manual

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Maintenance
XHD Installation, Operation, and Maintenance Manual 69
Maintenance
Maintenance schedule
NOTICE:
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.
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 environment 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 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.
• Check the pump and motor hold down bolts for proper tightness.
Annual inspections
Perform these inspections one time each year:
• Check the pump capacity.
• Check the pump pressure.