Fuel System Maintenance

Fuel System Maintenance for healthy engines

Fuel System Testing and Fuel System Maintenance are necessary measures to avoid serious and costly engine damage to engines. Chris-Marine offers a range of  machines and other equipment to optimize the performance of fuel systems.

fuel system maintenance

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Our equipment for Testing & Maintenance

  • Fuel Valve Test Rigs
  • Valve Holder
  • Fuel Injector Test Rigs.
  • Test Rig Adaptor
  • Fuel Injector Grinding Tool
  • Trigger Boxes
  • Fuel Pump & Fuel Valve Grinding Machine
  • Fuel Pump Tester
  • Oil Mist Separator and Test Fluid

We offer machines for both 2-stroke and 4-stroke fuel systems of which many – like for instance the the VPUD series of Fuel Injector Test Rigs – are approved and recommended by leading engine designers like MAN Diesel, Wärtsilä, Rolls Royce and Caterpillar MAK.

Changing the way fuel injectors are tested

Thanks to our collaboration with engine designers, our VPUD test rigs are compatible with fuel injectors and safety valves on hundreds of different engine models. Our close cooperation with engine designers has also resulted in unique solutions and products like:

  • IOP SafeTest technology for MAN Diesel 2-stroke slide-valve fuel injectors
  • Scalable pump technology for Wärtsilä 2-stroke fuel injectors
  • Air-powered test rigs for 4-stroke engine injectors, allowing fast and precise adjustment of opening pressure second to none
  • Activators for electronically controlled injectors & pilot valves
  • Adapters for injectors with integrated fuel pump
  • Systems for test of combined gas-diesel injectors

Accessories & Consumables

To facilitate and enhance the use of out machines we offer a range of accessories like digital reference gauges, high pressure hoses & couplings, and much more.

View our range of Accessories & Consumables



Questions and Answers

Questions and Answers

Q: How precise and user friendly are Chris-Marine’s fuel injector test units?

A: All VPUD injector test stands by Chris-Marine are air driven and equipped with a digital instrument and a safe test system (selector switch) for easy, precise and consistent operation of the test stand.
Learn more about our VPUD series here: Fuel Injector Test Rig Series / VPUD – Chris-Marine

Q: Does Chris-Marine’s fuel injector test stands have a documentation feature built-in?

A: All cabinet injector test stands (VPUD) has a digital read out, which exactly shows the working pressure and the achieved test results in pressure for manual registry and documentation. In addition, the top of the line VPA 1100-6 is equipped with a PLC and built-in printer.
Learn more about VPA 1100-6 here: Fuel Injector Servicing Test Rig / VPA 1100-6 – Chris-Marine

Q: Are Chris-Marine’s fuel injector test stands approved for all engine types?

A: Chris-Marine has a strong and long standing relation to major engine builders globally and most of the test units are approved and recommended for use in accordance with their recommended test procedures.