7 Wastes in Preventive Maintenance (Part 5 of 8)

Idle time created when material, information, people, or equipment is not ready.

The 4th of the 7 Wastes is Waiting. (See our previous posts for the first three; Over-Production, Transportation and Motion.)

Whenever goods or products are not being moved or processed, the time spent waiting is easily identified as waste.

Typically a significant percentage of a product’s manufacturing time is spent in waiting to be processed.

Waiting for inspections, parts, prints, information or machine repair can add hours to the production cycle and is regarded as a loss to the entire plant output. Waiting Waste in PMs:

  • PM tasks waiting for equipment to be down that could be done while running. Centralized PM execution (all at once).

  • Waiting on equipment access. PM's where maintenance schedules and production schedules do not match.

  • Waiting for parts on discovered defects during the PM. Poor planning, lack of repair decision matrix.

The next of the 7 Wastes in our series will be Processing.

About the Author: Ed Stanek, Jr. is President of Predictive Service EAM group. Predictive Service’s Enterprise Asset Management (EAM) offerings focus on an optimized life-cycle approach to achieving improved utilization, enhanced performance and reliability while reducing capital and operating costs. Our offerings start at the core, the CMMS and ERP systems and extend to consulting, and reliability services

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