1_Service-letter-top

This is a collection of technical papers published by MAN Energy Solutions, 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.

  • Jun 10, 2020

    Publication Thumbnail
    SL2020-697
    Engine room crane safety
    PDF, 376.26 KB
  • May 27, 2020

    Publication Thumbnail
    SL2020-695
    Regular operation of the SCR system to maintain correct functionality
    PDF, 650.93 KB
  • May 15, 2020

    Publication Thumbnail
    SL2020-694
    Cylinder and system oils
    PDF, 502.21 KB
  • Mar 24, 2020

    Publication Thumbnail
    SL2020-693
    Cybersecurity - MAN EngineVault
    PDF, 626.49 KB
  • Feb 12, 2020

    Publication Thumbnail
    SL2020-692
    LDCL cooling system update - for operation on very-low-sulphur fuels
    PDF, 682.28 KB
  • Jan 15, 2020

    Publication Thumbnail
    SL2020-690
    Fees for technical assistance and advisory work - MAN PrimeServ, Copenhagen
    PDF, 1.16 MB
  • Dec 19, 2019

    Publication Thumbnail
    SL2019-689
    Extended guiding overhaul intervals – for ME-GI and ME-GIE engines Appendix to SL2019-681/SRJ
    PDF, 620.51 KB
  • Dec 11, 2019

    Publication Thumbnail
    SL2019-688
    MAN SCR NOx sensors
    PDF, 549.08 KB
  • Dec 11, 2019

    Publication Thumbnail
    SL2019-687
    Liner jacket cooling water system update - for operation on low-sulphur fuels
    PDF, 1.52 MB
  • Dec 04, 2019

    Publication Thumbnail
    SL2019-686
    Cylinder and system oils
    PDF, 516.99 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