UK office > +44 (0) 1768 483 669
Mobile [emergency contact] > +44 (0) 7836 757 339

Foretract Engineering Ltd | 33 Howard Park | CA11 0TU

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Case Study 2

Case Study 2

Broken crankshaft Balence weight bolt on ships main engine

Foretract deploy to Denmark to carry out urgent stud removal from supply vessel main engine crankshaft. A same day response was required when a supply vessel superintendant called with a requirement to remove a broken crankshaft balance weight bolt. A method was developed using information provided by the Danish engineer, special tooling was manufactured immediately and a technician travelled by overnight ferry to Denmark.

On arrival at the vessel the next day, Foretract’s equipment was set up and the stud successfully removed by operating Foretract’s spark erosion equipment inside the engine crankcase via the crankcase door. The entire inside of the crankcase was sealed off using plastic sheet to prevent contamination of the lube oil.

The Foretract technician returned to the UK on the same ferry, leaving Denmark just 5 hours after arrival in the country.

Services Overview

  • Rapid removal of seized/broken studs from 6mm up to 100mm diameter.
  • Worldwide service from strategic bases in Europe, Middle and Far East.
  • Foretract use the latest in house developed Spark Erosion (Metal Disintegration) Equipment.
  • Lightweight equipment can travel with technicians on commercial flights.
  • Ultrasonic crack testing of cylinder head studs.
  • Remote removal of broken cylinder head studs on marine engines making strip down of cylinder unit unnecessary.
  • Database of stud sizes and mounting plates required for most Marine Engines and Gas Turbines.
  • Safety and Environmental policy.
  • Fully trained professional personnel.
  • Extensive product and PLI cover.


Foretract Engineering Ltd, 33 Howard Park, Greystoke, Cumbria, CA11 0TU

UK office > +44 (0) 17684 83669

Mobile > +44 (0) 7836 757339

We are just off the A66 nr Penrith North Cumbria. (Junction 40 on M6)

This project is supported by the Rural Development Programme for England (RDPE) for which Defra is the Managing Authority, part funded by the European Agricultural Fund for Rural Development: Europe investing in rural areas.