Operation
0410−1/A1
Winterthur Gas & Diesel Ltd.
1/ 1
Running-in New Cylinder Liners and Piston Rings
1. General
It is not necessary to do a special running-in procedure after new components of the
piston running system are installed. But, you must obey the data given in
paragraph 2.
2. Feed Rate Adjustments
After new components of the piston running system are installed, it is necessary to
adjust the cylinder lubrication feed rate. This makes sure of sufficient lubrication which
prevents damage to the cylinder liner and the piston rings. See Fig. 1 for the
applicable running-in cylinder lubrication feed rates with their related running hours.
Wärtsilä Services Switzerland Ltd recommends the inspection of the cylinder liner and
piston rings after 24 running hours and after 72 running hours (see the indications 1
in Fig. 1).
After 72 running hours, set the cylinder lubrication feed rate to the usual values. For
more data, see 7218−3 Feed Rate − Adjustment.
WCH03460
Fig. 1: Feed Rate Adjustments − Running-in
Operation − Special Procedures
2015-12
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