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
Download
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SL2020-694pdf, 503 KBCylinder and system oils
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SL2020-693pdf, 627 KBCybersecurity - MAN EngineVault
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SL2020-692pdf, 683 KBLDCL cooling system update - for operation on very-low-sulphur fuels
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SL2020-691pdf, 1263 KBFretting marks on piston crown and skirt assembly surfaces
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SL2020-690pdf, 1186 KBFees for technical assistance and advisory work - MAN PrimeServ, Copenhagen
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SL2019-689pdf, 621 KBExtended guiding overhaul intervals – for ME-GI and ME-GIE engines Appendix to SL2019-681/SRJ
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SL2019-688pdf, 550 KBMAN SCR NOx sensors
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SL2019-687pdf, 1557 KBLiner jacket cooling water system update - for operation on low-sulphur fuels
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SL2019-686pdf, 517 KBCylinder and system oils
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SL2019-685pdf, 1131 KBCondition-based overhaul Cermet-coated piston rings
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SL2019-684pdf, 910 KBPiston cleaning ring Update of the instruction for piston cleaning ring replacement
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SL2019-683pdf, 707 KBNew release of spare part plate for engine safety filter
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SL2019-682pdf, 608 KBNew recommendation for grinding angle of exhaust valve spindle
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SL2019-681pdf, 1024 KBGuiding overhaul intervals - replaces SL2017-650/SRJ
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SL2019-680pdf, 249 KBHydraulic tightening pressure for connecting rod
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SL2019-679pdf, 807 KBPropeller Maintenance Concept
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SL2019-678pdf, 412 KBCheck of wiring for actuator
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SL2019-677pdf, 1866 KBSulphur corrosion package
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SL2019-676pdf, 1542 KBPreparation for 2020 fuels
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SL2019-675pdf, 614 KBInsulation of indicator cock
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SL2019-674pdf, 671 KBFuel tank cleaning - Supplement to SL2019-670
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SL2019-673pdf, 820 KBAccumulators ‒ all makes, brands and types in the hydraulic system (replaced by SL2024-754)
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SL2019-672pdf, 716 KBPMI sensor calibration requirements
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SL2019-671pdf, 1592 KBCylinder lubrication update for 0 to 0.50% sulphur fuels
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SL2019-670pdf, 893 KBOperation on fuels with maximum 0.50% sulphur
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SL2019-669pdf, 927 KBFees for technical assistance and advisory work
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sl2018-668pdf, 2740 KBStarting Air System - Main engine
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sl2018-667pdf, 564 KBRidge Wear at Crankpin Journals
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sl2018-666pdf, 1134 KBElongation Measurements of Hydraulically Tightened Bolts
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sl2018-665pdf, 1456 KBSOx scrubber retrofit on two-stroke engines in service
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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