Total Productive Maintenance (TPM) has been introduced as a new requirement for the aIATF 16949 based on previous non-conformances noted in the areas of equipment management. Requirements for TPM are stated in clause 188.8.131.52 and it is required to document total productive maintenance system.
At a minimum, TPM procedure must include the following:
- identification of process equipment necessary to produce conforming product at the required volume;
- availability of replacement parts for the equipment identified in item a);
- provision of resource for machine, equipment, and facility maintenance;
- packaging and preservation of equipment, tooling, and gauging;
- applicable customer-specific requirements;
- documented maintenance objectives, for example: OEE (Overall Equipment Effectiveness), MTBF (Mean Time Between Failure), and MTTR (Mean Time To Repair), and Preventive Maintenance compliance metrics. Performance -
- to the maintenance objectives shall form an input into management review (see ISO 9001, Section 9.3);
- regular review of maintenance plan and objectives and a documented action plan to address corrective actions where objectives are not achieved;
- use of preventive maintenance methods;
- use of predictive maintenance methods, as applicable;
- periodic overhaul.