WinGD RT-flex50DF, Maintenance Manual, Page: 71 / 586

Maintenance
0380 − 1/A1
Winterthur Gas & Diesel Ltd.
1/ 11
Inspection and Overhaul Intervals (Guidelines)
Group Component Procedure Intervals and Service
Life (operation hours)
0
System oil − Laboratory analysis 3000
Main fuel and
lubricating oil
filters
− Do a check of the filter elements for white
metal particles (clean or replace the filter as
necessary). Obey the manufacturer’s
instructions
3000
Cooling water − Calculate the quality, concentration of inhibitor
and pH value (obey the instructions of inhibitor
manufacturer)
Weekly
1
1112 − 1 Bedplate − Do a pre-tension check of the foundation bolts.
First check after 1500 Operation hours (Op. H)
12000
− Do a check of the the condition of rubber
gasket in the vertical oil drain to the sump tank
(see SPC 9722). First time as soon as possible
after the ship is supplied.
30000 (replacement
recommended)
− Estimated service life: Bedplate foundation
bolts
Engine Lifetime
Crankcase − Do a visual examination, 100 Op. h after
overhaul works: Look for white metal particles
from bearings and for other problems.
1500 to 3000
1132 − 2 Main bearing − An inspection of the bearing shell is only
necessary if the bearing clearance, crankshaft
deflection, wire check oil analysis or crankcase
inspectionindicates excessive wear or damage
At indications of
excessive wear or
damage
− Do a check of the bearing clearance, refer to
0330 − 1
6000
− Estimated service life: Main bearing shell >100000
1203 − 1 Thrust bearing − Do a check of the axial and vertical clearances 6000 to 8000
− Make sure that the bottom drain is not blocked 6000 to 8000
1224 − 1 − An inspection of the thrust bearing pads is only
necessary if the bearing clearance, oil analysis
or crankcase inspection indicates excessive
wear or damage
At indications of
excessive wear or
damage
− Estimated service life: Thrust bearing Engine lifetime
(replace if necessary)
2020
Maintenance Schedule