What is the difference between preventive and breakdown maintenance?

Question

Accepted Answer

Preventive maintenance is planned maintenance to prevent breakdowns, while breakdown maintenance is repairing equipment after it has failed.

Preventive maintenance is scheduled and proactive
Breakdown maintenance is reactive and occurs after equipment failure
Preventive maintenance reduces downtime and increases equipment lifespan
Breakdown maintenance can be costly and cause production delays
Examples of preventive maintenance include regular inspections and lubrication
Examples of breakdown maintenance include replacing a failed motor or repairing a broken conveyor belt

Accepted Answer

Preventive maintenance (PM) is work that is scheduled based on calendar time, asset runtime, or some other period of time. Breakdown maintenance (BM) is work that is only performed when a piece of equipment breaks down or has a downtime event.

Accepted Answer

Preventive maintenance (PM) is work that is scheduled based on calendar time, asset runtime, or some other period of time. Breakdown maintenance (BM) is work that is only performed when a piece of equipment breaks down or has a downtime event.

Accepted Answer

Preventive maintenance identifies any issues before equipment failure or downtime, through routinely scheduled maintenance. Breakdown maintenance works by running equipment until it breaks down, in which case repairs and maintenance are performed.