Preventive maintenance is a schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. Preventive maintenance is conducted to keep equipment working and/or extend the life of the equipment

Objective of Preventive Maintenance

Preventive maintenance is "a planned strategy of cost-effective treatments to an existing system and its appurtenances that preserves the system, retards future deterioration, and maintains or improves the functional condition of the system. The main objective of Preventive Maintenance is to prevent the failure of equipment before it actually occurs.

Goal of the Preventive Maintenance

• To avoid the consequences of failure of equipment
• Preventive maintenance is designed to preserve and enhance equipment reliability by replacing worn components before they actually fail

Major Steps in Preventive Maintenance

• Cleaning
• Equipment checks
• Diagnostics activity
• Partial or complete overhauls at specified periods
• Lubricating

Asset Analytix Models for Preventive Maintenance Analysis

• Optimal PM interval using Weibull Distribution

Business Benefits of Preventive Maintenance

• Reduces the cost of ownership by early interventions and corrective measures before the costly major failures
• Improved system reliability
• Decreased cost of replacement
• Decreased system downtime