Preventive Maintenance

Topics: Maintenance, Original equipment manufacturer, Manufacturing Pages: 2 (469 words) Published: February 15, 2013


Preventive Maintenance
Preventive maintenance is defined as the care and servicing by personnel for the purpose of maintaining equipment and facilities 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. In other word preventive maintenance involves maintenance, including tests, measurements, adjustments, and parts replacement, performed specifically to prevent faults from occurring.

Preventive maintenance or the maintenance of equipment or systems before fault occurs can be divided into two subgroups: * Planned maintenance and
* Condition-based maintenance.

Planned Maintenance
Planned Preventive Maintenance ('PPM') or more usual just simple Planned Maintenance (PM) or Scheduled Maintenance is any variety of scheduled maintenance to an object or item of equipment. Planned Maintenance is a scheduled service visit carried out by a competent and suitable agent, to ensure that an item of equipment is operating correctly and to therefore avoid any unscheduled breakdown and downtime. Planned maintenance comprises preventive maintenance, in which the maintenance event is pre-planned, and all future maintenance is pre-programmed. Planned maintenance is created for every item separately according to manufacturer’s recommendation or legislation. Plan can be based on equipment running hours, date based, or for vehicles distance travelled. Good example of PM program is car maintenance. After so many kilometres or miles oil should be changed and the parts replaced. Condition-based maintenance

Condition-based maintenance (CBM), shortly described, is maintenance when need arises. This maintenance is performed after one or more indicators show that...
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