Service Letters
This is a collection of Service Letters published by MAN Energy Solutions, up until 1 June 2025.
For Service Letters published after the company name change to Everllence, use this link:
https://www.everllence.com/services/offerings/marine-power/service-letters
Table of content
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sl2017-638pdf, 1530 KBCleaning of Heavy Fuel Oil and Maximum 0.10% Sulphur Fuels
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sl2017-637pdf, 599 KBMulti-Purpose Controllers, Termination of Reconditioning Programme
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sl2016-636pdf, 246 KBSplash Guarding (Connections in the fuel oil and lubricating oil system)
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sl2016-635pdf, 599 KBFretting Marks on Connecting Rod Contact Surfaces
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sl2016-633pdf, 1528 KBHard-Coated Piston Rings for Operation on Ultra-Low Sulphur Fuel Including gas and liquefied gas
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sl2016-632pdf, 1951 KBAlpha Lubricator - Service Experience
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sl2016-631pdf, 1211 KBPerformance Test of the Pilot Operated Check Valves (POCVs) Updating of SL13-575/BTT
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sl2016-630pdf, 185 KBChange-over to EAL in Propeller Servo Systems (Replacement of SL13-580/BTT)
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sl2016-629pdf, 254 KBTemperature Range for Propeller
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sl2016-628pdf, 1261 KBFuel Injection Valve Condition
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sl2016-627pdf, 1545 KBTightening of Roller Guide Housing - GenSet
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sl2016-626pdf, 892 KBPotential Crack in Piston Crown - in inner circular contact flange
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sl2016-625pdf, 588 KBGas-tight Lock - Top Piston Ring
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sl2016-624pdf, 568 KBPiston Rod Stuffing Box - Top scraper ring improvement
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sl2016-623pdf, 1688 KBCooling Water Treatment and Periodical Test of the Cooling Water
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sl2016-621pdf, 1763 KBLifetime of Fixed Cylinder Pressure Sensors
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sl2016-620pdf, 1107 KBInstallation of Piston Cleaning Rings
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sl2016-619pdf, 2908 KBTightening of Roller Guide Housing - Propulsion
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sl2016-617pdf, 548 KBME-B Hydraulic Power Supply
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sl2016-616pdf, 2524 KBProduct Safety Warning - Updated Information Total Solutions & Power (TSP) accumulators
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sl2016-615pdf, 319 KBFuel Oil Backflushing Filter - GenSet
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sl2016-614pdf, 1008 KBProduct Safety Warning Letter - Total Solutions & Power (TSP) accumulators
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sl2016-613pdf, 1257 KBUpdated Crosshead Bearing Design
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sl2016-612pdf, 1747 KBFees for Technical Assistance and Advisory Work - MAN PrimeServ, Copenhagen
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sl2016-611pdf, 638 KBCPR Ring Pack Configuration - New piston ring standard for large bore engines
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sl2015-610pdf, 3817 KBIMO Tier II L23/30H
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sl2015-609pdf, 624 KBHydraulic Service Solutions - HPS Pump Overhaul Programme
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sl2015-608pdf, 1536 KBValve Bridge Guide for L27/38
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sl2015-607pdf, 387 KBGeneral Information - Safety standard
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sl2015-606pdf, 21786 KBCheck of Tightening of Connecting Rod
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
MAN Energy Solutions is now Everllence.
We have adopted a new brand name and moved to a new domain: www.everllence.com. This page will also be relocated there shortly. We are working on shifting all pages to www.everllence.com.