ManWinWin Maintenance Glossary

What is: Time-Based Maintenance (TBM)

Time-Based Maintenance (TBM)

Time-Based Maintenance (TBM) is a scheduled maintenance strategy where tasks are performed at fixed intervals, regardless of the actual condition of the equipment. This maintenance strategy is driven by time rather than the equipment’s performance or health. The intervals for performing maintenance are typically determined based on the manufacturer’s recommendations, historical data, or industry standards. TBM is most effective for equipment where failure is not catastrophic or where performance degradation is predictable over time.

This maintenance strategy is one of the oldest and most widely used in industries where systems or components have a predictable life cycle. It is often used for assets that do not experience significant wear or tear under normal conditions and where maintaining consistent operation is more critical than preventing specific failures.

Benefits

Simplicity: Time-Based Maintenance is straightforward to plan and implement, as maintenance tasks are scheduled at regular intervals. There is no need for detailed condition monitoring or analysis.
Predictability: Scheduled maintenance provides a predictable workflow, which can be easily integrated into regular work schedules, reducing uncertainty for maintenance teams.
Consistency: Regular maintenance ensures that equipment is consistently maintained, which can improve the overall reliability and efficiency of operations.
Cost Control: By maintaining equipment at regular intervals, TBM can help avoid costly breakdowns by addressing wear and tear before it leads to failure. It also allows for better budgeting of maintenance costs.
Extended Equipment Life: Regular maintenance under TBM can help extend the life of equipment, as issues are addressed early in their development, reducing the chances of premature failure.

Examples

Manufacturing: In a factory, conveyor belts may undergo time-based maintenance every six months to replace worn rollers, lubricate bearings, and clean drive motors. These tasks are performed whether or not a failure is imminent, based on the belief that the maintenance intervals are designed to prevent breakdowns.
HVAC Systems: In commercial buildings, air conditioning units and heating systems may be serviced every year, with tasks such as changing filters, cleaning coils, and inspecting ducts. These actions are done on a set schedule to maintain air quality and ensure system efficiency.
Automotive: In the automotive industry, time-based maintenance is common for tasks like oil changes, tire rotations, and brake inspections. These tasks are carried out after a set number of miles or months, regardless of the condition of the components.
Fleet Management: In logistics, trucks and delivery vehicles undergo time-based maintenance at regular intervals for tasks like oil changes, tire checks, and brake inspections to ensure safety and operational efficiency.

Time-Based Maintenance (TBM) is a practical strategy for organizations where equipment performance can be predicted based on time intervals. By performing routine tasks at regular intervals, businesses can ensure that assets are consistently maintained, preventing unexpected breakdowns and extending the life of equipment.
ManWinWin Software can help automate and optimize the scheduling of time-based maintenance tasks, ensuring they are completed efficiently and on time.