4. Preventive Maintenance
Types of maintenance
Prepared by: Mr. Ngoun Vuthy
• Preventive maintenance is conduct to keep equipment
working and/or extend the life of equipment.
• Corrective maintenance, sometime called “repair” is
conduct to get equipment working again.
• Preventive maintenance tends to include direct
measurement of the item.
5. Preventive Maintenance
PM is a schedule of planned maintenance activities aimed at the
prevention of Mechanical breakdowns and failures.
Prepared by: Mr. Ngoun Vuthy
Meaning Preventive Maintenance
6. Preventive Maintenance
The primary goal of preventive maintenance is to prevent the
failure of equipment before it actually occurs, ensuring that the
machine are safe to operate and maximizing the machine’s
useful life.
Prepared by: Mr. Ngoun Vuthy
Primary Goals
7. Preventive Maintenance
Prepared by: Mr. Ngoun Vuthy
Extended equipment
life
Saving on
repair
Minimize failure
risk
PMS
Benefit of preventive maintenance
9. Preventive Maintenance
Prepared by: Mr. Ngoun Vuthy
3B of Preventive Maintenance success
Preventive Maintenance
Based on Time
Based on
Performance
Based on Condition
Temperature
Pressure
Slow, fast or
medium