Preventive maintenance is a schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. The primary goal of this activity is to prevent the failure of equipment caused by dust and other external particles before it actually occurs. It is designed to preserve and enhance equipment reliability. This include equipment checks, partial or complete overhauls at specified periods, oil changes and lubrication for moving parts like CPU and system fans and so on.
The care and servicing by personnel for the purpose of maintaining equipment in satisfactory operating condition by providing for systematic inspection, detection, and correction of incipient failures either before they occur or before they develop into major defects.
Preventive maintenance tends to follow planned guidelines from time-to-time to prevent equipment and machinery breakdown
The work carried out on equipment in order to avoid its breakdown or malfunction. It is a regular and routine action taken on equipment in order to prevent its breakdown.
Maintenance, including tests, measurements, adjustments, parts replacement, and cleaning, performed specifically to prevent faults from occurring.