Maintenance & Modernisation

In the life cycle of a vehicle, maintenance and modernisation play a central role. Both must be planned precisely and then consistently monitored.

The Enotrac experts support customers in making their maintenance more efficient while at the same time compliant with all legal requirements.

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Reference projects

Extension of the service life of HGe 4/4 II locomotives and articulated control cars

Zentralbahn is facing a strategic decision regarding the long-term future of its proven HGe 4/4 II locomotives and articulated control cars. To support a well-founded decision on continued operation, targeted modernisation, or potential replacement, Zentralbahn has commissioned Enotrac to undertake
Migration of the train control system of HGe 4/4 II Nos. 3–5

The Matterhorn Gotthard Railway owns a total of 13 locomotives of the type HGe 4/4 II. Nine of these locomotives have undergone an extensive refit. Of the remaining four locomotives, three are to be operated until around 2030. To enhance safety, the ZSI-127 train protection system will be installed
Evaluation of the FLP maintenance system

FLP has renewed its tram fleet and has been operating its new TRAMLINK vehicles since 2022. The maintenance work is carried out by FLP employees with technical and logistical support from the manufacturer. In this context, FLP commissioned Enotrac to assess the conformity of the existing maintenance
Inspection of VNH-1 and Y33 Bogie Axle Boxes

The objective of the project was to determine though inspection and analysis if axle boxes currently fitted to a sample population of Network Rail VNH-1 and Y-33 bogie wheelsets are to specification, and, if not, recommend actions to be taken.
A modernised tram for Schwerin

As part of a major overhaul of Schwerin'sapproximately 20-year-old SN2001 tram fleet, the traction converters, vehicle control systems, and ventilation units are all set for replacement. This initiative aims to simultaneously boost passenger comfort
Cost estimate for the refit of tram trains for the Karlsruhe Transport Authority

Enotrac, an independent engineering consultancy was commissioned by Verkehrsbetriebe Karlsruhe VBK to provide a cost estimate for the electrical system refit of their GT6/8-70D/N low-floor light rail vehicles.
Refit for the Furka car shuttle trains of MGB

As part of an extensive refit project, the control cars of the Furka car shuttle trains are to be modernised. The goal is to ensure that the carriages can guarantee reliable and safe operation for the next 20 years.
Asset and maintenance management for MGB

The evaluation, procurement and introduction of an application for technical asset and maintenance management for the infrastructure and rolling stock divisions of the Matterhorn Gotthard Bahn (MGB) was carried out with all stakeholders as a turnkey project.
Handling of safety critical components (SCC) for Zentralbahn

Zentralbahn (zb) is harmonising the handling of safety-critical components and activities for the entire supply chain with the requirements of the ECM regulation.
Optimisation of the drive train of the SBB Re 460

The four-axle mainline locomotive SBB Re 460 has been equipped with a modern traction converter. The integration into an existing vehicle control and train protection system is complex and involves risks.
Refit of SBB passenger carriage doors

As part of an extensive refit project, the doors of passenger carriages that are over 30 years old are to be modernised. The IFE door system will be used, which will be integrated electrically and mechanically.
ECM maintenance management for MOB

Montreux Berner Oberland Bahn AG (MOB) is adapting its maintenance management system in accordance with the ECM Regulation (EU 2019/779) for the new Goldenpass Express GPx with variable-gauge vehicles.

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