The preservation of the machine park, both in terms of the value of the equipment, its performance and safety, requires optimal maintenance. And for this to be ensured, knowledge of the levels of intervention is essential. The five maintenance levels have been defined by the French Standards Association (AFNOR), and more specifically by standard X 60-010 (1994).

Each of these 5 levels corresponds to the degree of complexity of the maintenance operation to be carried out, as well as the level of expertise required and the importance of the resources (tools, technology, space…) to be implemented.

Level 1 Maintenance

Maintenance operations classified in the first level are those of reduced complexity and requiring few or no parts or consumables.
These are basic preventive actions such as lubrication, meter reading, sight glass test, or corrective action (bulb replacement…).
Generally performed on easily accessible components that do not pose any particular safety problems, they do not require specialized personnel. The operators called upon to carry them out only have to follow the visual work instructions.

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Level 2 Maintenance

These are still not very complex maintenance operations, but they are more complex than those of Level 1. These are preventive maintenance actions or repairs carried out using simple procedures.
This work is carried out by technicians or operators who have received specific training. Level 2 maintenance operations include various adjustments, sensor checks, belt or braid replacements, etc.

Level 3 Maintenance

For Level 3 maintenance actions, specialized technicians are used. The latter can operate on the site where the machine is located or in the area dedicated to the maintenance service. The procedures applied here are more complex and a diagnosis is usually necessary before any intervention.

This is particularly the case for preventive operations such as checking combustion in a boiler or any adjustment involving the use of measuring instruments. This is also the case for corrective actions such as changing the pump or cylinder.

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Level 4 Maintenance

The 4th level of maintenance established by AFNOR 60-010 includes maintenance operations of great importance, requiring particular technical expertise.
The technicians responsible for carrying out these operations must have a specific qualification. They generally work as a team and under the supervision of a specialized manager.

This can include preventive interventions such as vibration or infrared heat level analyses, or corrective work such as pump overhauls.

 

Level 5 Maintenance

The most complex maintenance operations are those classified as Level 5. As a general rule, they are entrusted to the manufacturer or rebuilder, and the means used are similar to those used in manufacturing.

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Level 5 maintenance is mainly carried out on heavy equipment, which is thus brought back into compliance.
It can be carried out externally, by a specialised service provider.

Picomto is the web and mobile solution for creating, operating and analyzing visual work instructions and maintenance procedures. Feel free to contact us for more information.

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