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This is a collection of technical papers published by MAN Diesel & Turbo, Copenhagen/Holeby, Denmark, covering both MAN B&W two-stroke and MAN four-stroke diesel engines.

Our technical papers provide information on new engine developments and trends, service experience, important aspects of engine management and maintenance, and emissions requirements compliance and development, etc. 

If you are using Internet Explorer 8 or 9 and you are having problems opening the documents, please right-click the files to save them on your local drive. Or completely disable the ‘PDF in Browser’ setting in your Acrobat Reader.

  • Mar 27, 2017

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    SL2017-644
    Overhaul Strategy ME/ME-C and ME-B Engines - ME specific components
    PDF, 4.94 MB
  • Mar 08, 2017

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    SL2017-643
    Guiding Overhaul Intervals - Updated Tables
    PDF, 466.12 KB
  • Mar 08, 2017

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    SL2017-642
    Fees for Technical Assistance and Advisory Work
    PDF, 2.36 MB
  • Feb 20, 2017

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    SL2017-641
    Fuel Valve Adjustment
    PDF, 932.05 KB
  • Feb 14, 2017

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    SL2017-640
    Heavy Fuel Oil Cleaning (Removal of abrasive particles)
    PDF, 1.38 MB
  • Feb 01, 2017

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    SL2017-639
    New Design of High-Pressure Hydraulic Hoses, Personnel safety - protective tubing
    PDF, 206.38 KB
  • Feb 13, 2017

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    SL2017-638
    Cleaning of Heavy Fuel Oil and Maximum 0.10% Sulphur Fuels
    PDF, 1.49 MB
  • Jan 25, 2017

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    SL2017-637
    Multi-Purpose Controllers, Termination of Reconditioning Programme
    PDF, 598.75 KB
  • Jan 06, 2017

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    SL2016-636
    Splash Guarding (Connections in the fuel oil and lubricating oil system)
    PDF, 245.35 KB
  • Jan 06, 2017

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    SL2016-635
    Fretting Marks on Connecting Rod Contact Surfaces
    PDF, 598.74 KB

All data provided on this site is for information purposes only, explicitly non-binding and subject to changes without further notice.

Unless otherwise stated, the copyright and any other rights in the contents of the Service Letters available through our website, including any images and text, are owned by MAN Diesel & Turbo.

For the avoidance of doubt, you must not adapt, edit, change, transform, publish, republish, distribute, redistribute or show in public the Service Letters (in any form or media) without the prior written consent of MAN Diesel & Turbo.

Permission is granted to:

1) download, display or print material for personal use or use within an individual organisation and for a non- commercial purpose;

2) create links to these pages;

3) reproduce short extracts provided the source is stated. 

Requests for further authorisation regarding proposed usage of the information provided should be addressed to: 

MAN Diesel & Turbo
Teglholmsgade 41
2450 Copenhagen SV
or by email to 

peterd.petersen@man.eu