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Repairs | COTERENA
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Coterena has established itself as a company specialised in the installation, repair and commissioning of marine machinery and stationary equipment. We are highly experienced in propulsion systems.


We can install any mechanical component for shipyards, ship owners or cogeneration plants, in accordance with the specifications of the manufacturer and client. We use supporting systems with classic metal chocks, vibracon, steel shims, vibration dampers or chock fast. We have the most modern laser alignment as well as simultaneous weight recorders to verify load bearings according to the calculations of rational alignments. These are accompanied by mechanical and hydraulic torque multipliers, which are used to install support bolts.


Our work philosophy when it comes to the repair process works in two ways:

  • Corrective repairs: it is known as  “hysteric maintenance”, it means a quick response in a failure.
  • Preventive maintenance: means the care of maintaining equipment and facilities in satisfactory operating conditions.  This maintenace model needs the timming of manufacturer’s recomendations or machine hystoric failure  analysis.
  • Predictive maintenance: predictive maintenance allows a convenient scheduling of corrective maintenance, and prevents unexpected failures. The condition monitoring looks for predicting future trend of the equipment’s conditions showing “the right information in the right time”. The maintenance can be better planned and what would had been “unplanned stops” are transformed to shorter and fewer “planned stops” thus increasing plant availability.
  • Proactive maintenance: combining the load monitoring techniques (torque, bending and thrust) in real time, based on the extensiometric techniques along with the monitoring of the parameters of the process, and the early detection through vibration test, shows a step forward on the predictive maintenance finding out the causes that provoke the wear and tear or failure of the equipments.



We have a highly qualified staff with extensive experience in commissioning propulsion systems in new buildings and reparations. We work with the most modern and portable recording and analysis resources in order to adjust and deliver equipment in top condition.