The document discusses different types of maintenance activities. It defines maintenance and its objectives to keep equipment operational at minimum cost. It describes various types of maintenance including planned preventive maintenance to minimize breakdowns, and unplanned corrective maintenance after failures occur. Predictive maintenance uses condition monitoring to detect potential failures while preventive maintenance relies on routine inspections.

1. TRAINING ON MAINTENANCE SYSTEM

8. Maintenance Objectives PLANT M A I N T E N A N C E Reduce Breakdowns Reduce Downtime Improving Equipment Efficiency Improving Inventory Control Implementing Cost Reduction Maximising Production Optimising Resources Utilisation Optimising Useful Life of Equipment Minimising Energy Usage Providing Budgetary Control Figure 2.3 Maintenance Objectives

9. Types of Maintenance MAINTENANCE UNPLANNED MAINTENANCE (REACTIVE) BREAKDOWN EMERGENCY PLANNED MAINTENANCE (PROACTIVE) CORRECTIVE MAINTENANCE REMEDIAL DEFERRED PREDECTIVE MAINTENANCE CONDITION - BASED STATISTICAL - BASED PREVENTIVE MAINTENANCE ROUTINE RUNNING DESIGN - OUT ENGINEERING SERVICES WINDOW IMPROVEMENT MAINTENANCE SHUTDOWN CORRECTIVE SHUTDOWN PREVENTIVE SHUTDOWN IMPROVEMENT Shutdown Maintenance OPPORTU-NITY Figure 2.4 Maintenance Types