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Service Letters

This is a collection of service letters published by MAN Energy Solutions, Copenhagen/Holeby, Denmark, covering both MAN B&W two-stroke and MAN four-stroke combustion engines.

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

Note that some service letters have documents attached (e.g. work cards, instructions, guidelines, specifications, etc.) that may subsequently have been updated after the release of the service letter. It is therefore recommended to check for the latest edition of such attachments.

Table of content

  • Service Letters, Two-stroke – Table of Content
    pdf, 343 KB
  • Service Letters, Four-stroke - Table of content
    pdf, 806 KB
  • Service Bulletin, Four-stroke Pielstick (available via mail request to primeserv.technical-france@man-es.com) – Table of content
    pdf, 533 KB

Download

  • sl2015-601
    pdf, 550 KB
    Loosening of Plugs in Piston
  • sl2015-600
    pdf, 426 KB
    Testing of Overspeed on L23/30H GenSets
  • sl2015-599
    pdf, 705 KB
    Increased Protection of Turbochargers against Overspeed
  • sl2015-598
    pdf, 594 KB
    Publishing of Service Letters on the MAN Diesel & Turbo Website
  • sl2015-597
    pdf, 2787 KB
    High Exhaust Gas Temperatures and Turbine Cleaning
  • sl2014-596
    pdf, 1665 KB
    Fees for Technical Assistance and Advisory Work
  • sl2014-595
    pdf, 1464 KB
    Cleaning Procedure for Fuel Safety Filter
  • sl2014-594
    pdf, 1002 KB
    Lubricating Oil Consumption
  • sl2014-593
    pdf, 599 KB
    Guidelines for Operation on Fuels with less than 0.1% Sulphur
  • sl2014-592
    pdf, 2122 KB
    Approved Method for the MAN B&W L50MC Engine Type
  • sl2014-591
    pdf, 697 KB
    Piston Ring Expander Claw
  • sl2014-590
    pdf, 806 KB
    Engine Perfomance Evaluation
  • sl2014-589
    pdf, 258 KB
    Cooling Water Inlet Temperature at Scavenge Air Cooler
  • sl2014-588
    pdf, 200 KB
    L27/38 Propulsion Woodward Governor Top
  • sl2014-587
    pdf, 1435 KB
    Cylinder Lubrication Update
  • sl2014-586
    pdf, 145 KB
    Handling of Tacho Failures and Reduction of Safety Risks in Plants with AT2000 PCS
  • sl2014-585
    pdf, 137 KB
    Gear Servo Oil Pumps
  • sl2014-584
    pdf, 1028 KB
    Cooling Water System - Maintenance and recommendations
  • sl2013-583
    pdf, 2829 KB
    L16/24 Mk 2 Update Package
  • sl2013-582
    pdf, 354 KB
    Lube Oil Treatment
  • sl2013-581
    pdf, 439 KB
    Lube Oil Treatment
  • sl2013-579
    pdf, 490 KB
    New Stuffing Box Ring Pack - Lamella-Type Top Ring
  • sl2013-578
    pdf, 172 KB
    Change over to EAL (Environmentally Acceptable Lubricant) in stern tube and propeller hub
  • sl2013-577
    pdf, 996 KB
    Fuel Safety Filter
  • sl2013-576
    pdf, 863 KB
    Safety Precautions - 26-98 Engines
  • sl2013-573
    pdf, 1067 KB
    Exhaust Valve Condition - In Relation to Low Load Operation
  • sl2013-572
    pdf, 543 KB
    Lifting of Crankpin Bearing Cap for 26-90 Engines
  • sl2013-571
    pdf, 1856 KB
    Cylinder Lubrication Update - Adjusting the ACC factor in service Replaces SL07-479 and SL09-507
  • sl2013-570
    pdf, 271 KB
    Backup Operation of AT2000 PCS
  • sl2013-569
    pdf, 435 KB
    Bearing Wear Monitoring - System update

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 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.

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 Energy Solutions
Teglholmsgade 41
2450 Copenhagen SV
or by email to jacob.bonelli@man-es.com

Requests of the S.E.M.T. Pielstick Service Bulletin should be addressed to: 

 

MAN Energy Solutions France
Attention: Technical Assistance MAN PrimeServ
Avenue de Chatonay , Porte 7
BP 427
44615 Saint-Nazaire Cedex
France
or by email to primeserv.technical-france@man-es.com

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