Maintenance
0001−1/A1
Winterthur Gas & Diesel Ltd.
1/ 1
Preface
The instructions contained in this ”Maintenance Manual” are intended to help to
ensure that the maintenance which must be carried out at specific intervals is
correctly carried out.
It is a precondition that the personnel charged with such important work possesses
the necessary training and experience.
Information about the operation of the engine as well as descriptions of the function of
the various systems are part of a separate book, the ”Operating Manual” containing
also under 0010−1 explanations of the layout and structure of the Operating and
Maintenance Manuals as well as of the used symbols, signs and special characters.
More detailed instructions on the operation and maintenance of components from
sub-suppliers can be gathered from the instruction leaflets of the respective
manufacturers. Outside makes are, for example, such engine components, tools or
devices which are not manufactured in accordance with production drawings from
Wärtsilä Switzerland Ltd.
The ”Maintenance Manual” is divided into the following main chapters:
D General guidelines for maintenance
D Clearance tables, tightening values of screwed connections, masses (weights)
D Maintenance schedule
D Design groups
D Hydraulic pre-tensioning jacks and tool list
A few explanations to the above:
1) The ’General Guidelines for Maintenance’ contain, in addition to recommendations
on precautionary measures to be taken, also suggestions for carrying out the work.
2) The above mentioned tables inform about normal and maximum acceptable
clearances, the tightening of important screwed connections, weights of individual
engine components as well as the type and use of various sealing rings.
3) The ’Maintenance Schedule’ indicates nominal intervals in which various
maintenance operations are to be carried out. Please note that the maintenance
intervals are based on experience and are subject to operation of the engine under
standard conditions.
4) Detailed instructions are given in the ’Design Groups’ on the procedure of
maintenance work on certain engine parts.
5) Tools and devices necessary to carry out maintenance are described in the ’Tool
List’, and are generally supplied with the engine.
All information contained in the text and illustrations of this manual are valid at the
time of printing.
Modifications will be incorporated in the next edition!
2014
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