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Introduction and Course overview by S. O. Duffuaa. Module Outline. Role of Maintenance in a Company Production and Maintenance Relationship Maintenance as an input output system. Module Outline. Maintenance costs Maintenance planning Maintenance Strategic Planning
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Module Outline • Role of Maintenance in a Company • Production and Maintenance Relationship • Maintenance as an input output system.
Module Outline • Maintenance costs • Maintenance planning • Maintenance Strategic Planning • Overview of the course
Role of Maintenance • Predictable Plant Capacity • Efficient Energy Use • Maintenance and Availability • Maintenance and Quality • Maintenance and Equipment Life Time • Maintenance and Energy Use • Maintenance and Economy
Role of Maintenance Organizations’ Objectives include: • Meet or exceed customer satisfaction • Maximizing profit • Meet deliveries • Meet set targets • Meet set safety standard • Zero product defect Does Maintenance affect these goals?
Maintenance is the backbone of all successful enterprises and contributes to: • Improve Product Quality • Reduce Costs • Meet Set Targets • Improve Utilization • Improve Equipment Performance
Primary Input Primary Output Production/ Service Product Quality Production Capacity Quality Demand for Maintenance Equipment Condition Maintenance Figure 1: Dependency between production/Service and maintenance.
Maintenance Costs 1. DIRECT COSTS • Cost of Periodic Inspection • Service Cost • Repair Cost, Overhaul Cost 2. STAND-BY COSTS • Cost of Operating and Maintaining a Standby Unit
Maintenance Costs. 3. LOST PRODUCTION COSTS : • Cost due to Equipment down time. 4. DEGRADATION COST • Cost occurring due to deterioration of the life span of equipment due to no maintenance or inadequate maintenance.
Maintenance Planning activities • Planning activities generally include the following : • 1. Maintenance philosophy • 2. Maintenance load forecasting • 3. Maintenance capacity • 4. Maintenance organization • 5. Maintenance scheduling.
Maintenance Strategies 1. Breakdown Maintenance (Run To Failure) 2. Fault Finding (FF) 3. Time directed Preventive Maintenance(TD) 4. Condition Based Maintenance (CBD) 5. Design Modification (DM) 6. Replacement Instead of Maintenance 7. Planned Replacement (Car Fleet) 8. Opportunity Maintenance
Growing Maintenance Expectations Higher plant availability and reliability Greater safety Better product quality No damage to the environment Longer equipment life Greater cost effectiveness Higher plant availability Longer equipment life Lower costs Fix it when it broke 1940 1950 1960 1970 1980 1990 2000
Production System, Maintenance System & Operations System Relationship
Conceptual Presentation Of Availability Performance
Strategic Planning in Maintenance • Vision • Mission • Objectives • Measures/ balanced scored card • Strategies • Implementation Targets or goals Action plans
Vision • “Where you want to be” • To be an Award winning department at the international level. • Mission “ Why you exist?” • Keep plant equipment and assets well configured, safe to operate with the maximum availability maintained with minimum cost.
Objectives • “ What to pursue to achieve mission and objectives.” • Recruit and maintain the best technical staff. • Adopt effective and proactive maintenance strategies using latest knowledge and technology. • Avail the needed spare parts at the minimum cost.
Measures • MTBF for reliability • Availability • Costs • Employee learning • Utilization
Strategies • TPM • Intelligent maintenance. • Reliability Centered Maintenance (RCM)