WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
0380−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
7/ 7
Group Component Work to be carried out Intervals
9
9223−1 Crank angle
sensor unit − Check tension visually
Check cracks and wear of tooted belt visually
Visual lubricating oil check
3000 Op.h
− Replace toothed belt 24 000 Op.h
− Overhaul drive (ball bearing, sealing ring etc.)
and check shaft eccentricity of CAS drive
48 000 Op.h
− Check shaft eccentricity of CAS drive at every CAS exchange
− Replace crank angle sensor 48 000 Op.h
(only if new soft belt is
applied from beginning)
Oil mist detector − Follow manufacturer’s instructions half yearly
WECS electronic
components − Replace FCM−20 module
(see Operating Manual 4002−4)
36 000−50 000 Op. h
− Visual cabling check quarterly
The indicated maintenance intervals must be taken as guidance and may vary
depending on the installation. The proper intervals are subject to the points men-
tioned below. Experience will show whether these intervals can be extended or
must be shortened.
− Environmental and operating conditions
− Heavy fuel oil and lubricating oil qualities (see OM 0710−1 and 0750−1)
− Engine load
− Fuel, lubricating oil and cooling water care (see OM 0720−1 and 0760−1)
− Overhaul according to Maintenance Manual
− Genuine spare parts used
− Engine monitoring
− Engines according to specifications of Wärtsilä Switzerland Ltd.
On the engine sectional drawings 0803−1 , those parts are marked with group
numbers, as they are found in the Maintenance Manual.
Engine Control System WECS
Control works in the WECS (Wärtsilä Engine Control System) are described in the
following groups of the Operating Manual:
− Regular checks and recommendations 4002−4 . . . . . . . . . . . . . . . . . . . . . .
− Engine control 4003−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2012-07
Inspection and Overhaul Intervals (Guidelines)