Preventive maintenance (PM) meaning
Preventive maintenance is a planned maintenance is performing regular time based maintenance on electrical equipment, So that it wouldn’t break unexpectedly
Preventive maintenance is a time base ,meter or event-based activity.
The fact that a machine will degrade with time this time is determined by the manufacturer of the equipment.
In PM replacing relevant parts before the expected time of failure point.
Preventive maintenance (PM) example
In our live the PM is around us, as an example when you make maintenance for your car periodically based on time, you are doing PM for your car
In electrical work life, If you have a three phase motor, you can make a check list of parts to be replaced, cleaned or maintained every month or specific time regardless the condition of this part
what should preventive maintenance include
A PM check list may include cleaning, oil changes, lubrication, repairs, inspecting adjustments, and replacing parts of the equipment, this is regularly scheduled based on time
PM importance?
- Assures equipment working in optimal condition
- Equipment life time conservation
- major repairs numbers are reduced
A planned PM is better compared to actual breakdown downtime of the equipment
Disadvantage of PM
- PM requires a little more cost
- You’ll need enough labor on hand to make this periodic work
- More work potential because of over activity of maintenance
