Preventive Maintenance
Key Characteristics
- Planned & scheduled (daily, weekly, monthly, yearly)
- Based on time, usage, or condition
- Aims to prevent breakdowns
- Uses checklists and maintenance plans
Examples
- Lubricating machines
- Replacing worn parts
- Calibrating equipment
- Routine inspections
Advantages
- Reduces unexpected breakdowns
- Increases equipment life
Improves safety - Lowers long-term maintenance cost
Breakdown Maintenance
Key Characteristics
- Unplanned & reactive
- Occurs only when breakdown happens
- Causes downtime
- Emergency repair approach
Examples
- Repairing a motor after failure
- Fixing a machine after it stops working
- Replacing a broken belt suddenly
Advantages
- No planning required
- Suitable for non-critical equipment
- Lower short-term cost