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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. 

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  • Jan 05, 2021

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    SL2021-708
    Fees for technical assistance and advisory work - MAN PrimeServ, Copenhagen
    PDF, 1.24 MB
  • Dec 18, 2020

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    SL2020-707
    Fuel leakage – from high-pressure pipes and low-pressure circulation lines
    PDF, 903.19 KB
  • Jan 08, 2021

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    SL2020-706
    Fretting in main bearing bore (replaces SL2017-645)
    PDF, 1.02 MB
  • Oct 26, 2020

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    SL2020-705
    Load-up program Update of load-up recommendations in SL09-503/JAP
    PDF, 652.08 KB
  • Oct 20, 2020

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    SL2020-704
    Inventory of Hazardous Materials (IHM)
    PDF, 506.91 KB
  • Sep 28, 2020

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    SL2020-703
    Authorized repair agent for Mitsubishi turbochargers - MAN PrimeServ Omnicare
    PDF, 13.18 MB
  • Sep 10, 2020

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    SL2020-702
    Overspeed incident with disintegrated flywheel
    PDF, 2.81 MB
  • Sep 04, 2020

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    SL2020-701
    Third-party spindle guides and nozzles - increased risk of scavenge space fire
    PDF, 1.37 MB
  • Aug 11, 2020

    Publication Thumbnail
    SL2020-700
    Retrofitting of PLC (Replaces SL2012-564/JXN)
    PDF, 1.05 MB
  • Jul 07, 2020

    Publication Thumbnail
    SL2020-699
    Regular operation of EGR systems - EGRBP and EGRTC systems
    PDF, 520.73 KB

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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 Energy Solutions.

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 Energy Solutions.

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Teglholmsgade 41
2450 Copenhagen SV
or by email to 

peterd.petersen@man-es.com