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Cleaning of Heavy Fuel Oil and Maximum 0.10% Sulphur Fuels SL2017-638/DOJA

This Service Letter specifies the recommended maximum acceptable level of cat fines entering the engine, which is as follows:
ƒ
Always keep the level as low as possible and, max. at 15 ppm
Al + Si at engine inlet for short periods.

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Concerned components
Injection Control Units (ICUs) of Wärtsilä
RT-flex48T-D,
RT-flex50, RT-flex50-B, RT-flex50-D,
RT-flex58T-B, RT-flex58T-D,
RT-flex58T-D_V1, RT-flex58T-D_V2,
RT-flex58TD_ER-3,
RT-flex60C, RT-flex60C-B,
RT-flex68-B and RT-flex68-D_V0 engines.

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MSC.1/Circ.1206 MEASURES TO PREVENT ACCIDENTS WITH LIFEBOATS

The Maritime Safety Committee, at its eighty-first session 10 to 19 May 2006, recalled that at
its seventy-fifth session (15 to 24 May 2002), it had considered the issue of the unacceptably high
number of accidents with lifeboats in which crew were being injured, sometimes fatally, while

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ANNEX 17 MEPC 54/21 REVISED GUIDELINES FOR SYSTEMS FOR HANDLING OILY WASTES IN MACHINERY SPACES OF SHIPS

The information contained in these Guidelines should be regarded as guidance in achieving an efficient and effective system for the handling of oily bilge water and oily residues for new buildings and, where applicable and reasonable, for ships which are in service.

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Product Safety Warning Total Solutions & Power (TSP) accumulators

We refer to our Product Safety Warning Letter SL2016-614/PRP of May 2016, where we informed you about incidents reported with TSP accumulators which have suffered from breakage.

Such incidents pose a serious potential threat to property and persons and may even result in bodily injuries and/or fatal casualties.

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Guiding Overhaul Intervals SL2017-643/SRJ

Based on the latest service experience and engine development we are pleased to issue a revised version of the Guiding Overhaul Intervals tables. The guiding overhaul intervals apply to electronically controlled ME type engines, dual fuel ME-GI type engines, and mechanically controlled MC types engines.

Note that the intervals given in the tables apply only to engines with so-called high topland pistons.

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Overhaul Strategy ME/ME-C and ME-B Engines

This service letter provides recommendations on a detailed overhaul strategy, monitoring and update of the ME specific components of MAN B&W two-stroke engines (ME/ME-C and ME-B) based on approximately 10 years of service experience.

The aim is to facilitate planning and implementation of available upgrades with focus on areas primarily related to 5-year dockings.

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