- DETERMINE MAINTENANCE FREQUENCY
Consult the original manufacturer’s guidelines. Consider the timing to schedule your maintenance. Will lines or pumps have to be disabled? Select a time when the system is down and use common sense when deciding the time and frequency.
- OBSERVATION IS KEY
Get to know your system and make a point to observe your pump while it is still running. Make note of leaks, unusual sounds or vibrations and unusual odours.
- SAFETY FIRST
Make sure machines are properly shut-down before performing your maintenance and/or systems check. Proper isolation is important not only for electrical systems, but for hydraulic systems as well.
- MECHANICAL INSPECTION
- Check that mounting points are secure
- Inspect the mechanical seal and packing
- Inspect the pump flanges for leaks
- Inspect the couplings
- Inspect and clean filters
Lubricate the motor and pump bearing per the manufacturer’s guidelines. Be sure not to over lubricate. More bearing damage occurs as a result of over greasing than under greasing. If the bearing has a vent cap, remove the cap and run the pump for 30 minutes before reinstalling cap. This will allow excess grease to work its way out of the bearing.
- ELECTRICAL/MOTOR INSPECTION
- Check that all terminations are tight
- Inspect motor vents and windings for dust/dirt build-up and clean according to manufacturer’s guidelines
- Inspect starter/contractor for arcing, overheating, etc.
- Use a megohmmeter on the windings to check for insulation failure
- REPLACE DAMAGED SEALS AND HOSES
If any hoses, seals, or O-rings show wear or damage, replace immediately. Using a temporary rubber assembly lubricant will ensure a tight fit and prevent leaks or slips.
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