DIN 31 051

MAINTENANCE ACCORDING TO DIN 31 051

DIN standard 31 051 defines the term "maintenance". It describes all measures required for maintaining and restoring the target condition of equipment and for determining and assessing the actual condition of a unit being inspected, such as technical equipment, plants and buildings, during their life cycle. Maintenance is the generic term for inspection, servicing, repair and improvement. The objectives of maintenance are varied and essential for plant operators:  

  • Increasing plant availability
  • Improving operational safety
  • Reducing malfunctions and system failures
  • Reducing maintenance and operating costs
  • Anticipatory cost planning
  • Optimizing operating processes

Plant technology has developed considerably in recent years. The condition of individual components and assemblies is difficult to ascertain, as modern plants are much more complex in design than was the case just a few years ago. This can lead to more vulnerabilities that have to be detected. The maintenance and servicing concepts are intended to ensure high technical system availability. Many companies view maintenance merely as a cost driver. But ensuring quality and productivity is of great importance to competitiveness as it prevents unwanted plant downtime. Regular professional plant inspections are absolutely crucial in this context.

DIN 31 051 Definition of measures and targets

As mentioned above, DIN 31 051 is divided into the following basic measures:

Inspection

Definition

Measures to determine and assess the current condition of buildings, plants and technical equipment to prevent disruptions to the production process. 

Aim

Determination and assessment of the current state.

Measures

Testing, measuring, assessing.

Maintenance

Definition

Measures to maintain the target condition of technical equipment and systems to prevent disruptions to the production process. 

Aim

Preservation of the target condition.

Measures

Lubricating, cleaning, adjusting.

Repair work

Definition

Measures to restore the target condition of buildings, facilities and technical equipment through reworking or replacement of parts according to inspection results.

Aim

Restoration of the target condition.

Measures

Replacing, repairing.

Improvement

Definition

Measures to improve buildings, facilities and technical equipment. 

Aim

Stabilizing and increasing functional reliability.

Measures

Planning, taking pre-planned measures, execution, testing.

In addition to these basic measures, a vulnerability analysis is an essential part of a thorough maintenance strategy. A vulnerability analysis inspects and detects elements that are subject to increased wear and tear. These might lead to premature failure. Vulnerability analysis is a constant process, as new vulnerabilities can arise at any time. The goal of the analysis is the detection and elimination of vulnerabilities.

The basic structure of maintenance systems is based on standardized measures and procedure models. However, performing this work requires the specialized staff to have a considerable amount of experience. Evaluating current system conditions is easier when you handle the machines in question every day. In-house maintenance offers the advantage of constantly expanding company know-how about the equipment in use.

Below you can download all information about DIN 31051 as a PDF file.

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