the retrofit concept
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7/27/2019 The Retrofit Concept
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The Retrofit ConceptRevitalising Engines
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The retrofit concept
MAN Diesel’s retrofit concept consists of a broad range of
solutions where its PrimeServ af ter-sales division applies
the latest developments within diesel technology to
engines in service, in the process bringing them up to cur-
rent standards and meeting modern emission levels and
lowering running costs.
The concept applies to all MAN Diesel engines (both
marine and stationary), propellers and turbochargers. It
can even be applied to engines from other manufacturersand has multiple benefits for engines, vessels and
shipowners alike:
• Improved engine performance
• Engines in service updated to modern standards
• Lower fuel and lube-oil consumption leading to lower
operating costs
• Longer time between overhauls
• Emissions reduction
• Life-cycle extension
• Monitoring and controlling equipment to facilitate
operations
• Major fuel conversions where requested
Emissions reduction
MAN Diesel regularly introduces design innovations in the
field of emissions reduction, while the IMO’s Tier-II and Tier-III
emission regulations also exert a great influence on modern
engine technology. MAN Diesel’s engine portfolio recently
became fully Tier-II compliant, and older two- and four-stroke
engine generations can easily be made compliant through
a variety of retrofit techniques like the installation of slide
fuel-valves and start-limiters. The retrofit concept also covers
more comprehensive installations such as the NOx-reducingWIF (Water In Fuel)/FWE (Fuel Water Emulsification) system.
Monitoring and controlling equipment
Diesel technology becomes more advanced with every year
but MAN Diesel engines can be upgraded to reap the benefit
of the new technology. This includes advances in monitoring
and controlling systems that improve safety and optimise your
engines performance. These include the PMI (cylinder-pres-
sure analyser) system and bearing-wear monitor.
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MAN Diesel | PrimeServ
Life-cycle extension/reliability improvement
Apart from techniques designed to upgrade your engine’s
performance, MAN Diesel PrimeServ can also enhance life-
times and general reliability, extending the useful life of your
engines through the retrofitting of anti-corrosion valves and
coated nozzle rings, to mention just a few possibilities. More
comprehensive retrofit options such as engine up-rating are
also available.
Fuel and lube oil-saving packages
The consumption of fuel- and lubricating-oil is one of the big-
gest expenses in modern shipping. PrimeServ can minimise
your engines’ oil use and maximise the return on your invest-
ment through the retrofitting of cutting-edge technology de-
signed to make your vessel ever more efficient. This includes
such retrofits as the Alpha Lubricator, stepped liners/pistons,
turbocharger retrofit with VTA technology, and tailor-made
slow steaming on request.
Major fuel conversions
As the price and availability of fuel varies, it can become
more economical to change the fuel that powers your prime
mover, or at least to have the option of switching between
fuel types. Fuel conversion is a large undertaking but one in
which MAN Diesel PrimeServ has long experience, including:
• Heavy Fuel Oil to Dual Fuel – MAN Diesel four-stroke
48/60 and 32/40 engines and PC-engines
• Gas conversion
• Heavy Fuel Oil retrofit-kit (common-rail retrofit)
MAN Diesel PrimeServ provides original spare-parts andservice facilities for MAN Diesel’s two- and four-stroke diesel
engines, generating sets, turbochargers, CP propellers and
complete propulsion packages. To support this, it operates a
worldwide, round-the-clock service, 365 days a year through
a network of service headquarters and service centres.
To hear more about the retrofit concept and the full range
of possibilities, contact MAN Diesel PrimeServ at:
PrimeServ-cph@mandiesel.com (Two-stroke)
PrimeServ-aug@mandiesel.com (Four-stroke)
PrimeServ-fr@mandiesel.com (Pielstick)
PrimeServ-uk@mandiesel.com (UK heritage engines)
PrimeServ-tc-retrofit@mandiesel.com (Turbochargers)
Revitalising engines
P r i m e
S e r v
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MAN Diesel
PrimeServ Copenhagen
Teglholmsgade 41
2450 Copenhagen SV, Denmark
Phone +45 33 85 11 00
Fax +45 33 85 10 49
PrimeServ-cph@mandiesel.com
www.mandiesel.com
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