8 Objectifs de la maintenabilité
- Intrinsic maintainability;
- Extrinsic maintainability;
The asset’s intrinsic maintainability incorporates the design provisions that facilitate maintenance (size, weight, layout, modularity, etc.). These provisions are little influenced by location, machine use, maintenance personnel and their organization.
8 objectives for maintainability
Objectives of equipment maintainability :
1. Anticipate and foresee the occurrence of failure or degradation;
2. Facilitate the execution of adjustment and upgrading actions by replacing consumable elements (dismantlability, etc.);
3. Provide a simple and as unambiguous as possible means of signaling or warning of failure or operating drift (testability…);
4. Make it easier for monitoring systems and users to locate the faulty or malfunctioning component. In particular, to aid unambiguous diagnosis (testability, visibility…);
5. Ensure the safety of personnel and assets as soon as a fault is reported or a fault alert is triggered (lockout/tagout, ergonomics, etc.);
6. Provide a means of delaying the time when repair becomes essential once the faulty element has been located (redundancy, degraded mode, etc.);
7. Provide a means of carrying out preventive or corrective maintenance while the asset is in operation (dynamic architecture, etc.);
8. Enable the exchange or repair of the faulty component in the shortest possible downtime, at the minimum skill level of those involved, and with the lowest level of spare parts stock (accessibility, handling, training, arduousness, etc.);
