Maintenance
0380−1/A1
Winterthur Gas & Diesel Ltd.
1/ 10
Inspection and Overhaul Intervals (Guidelines)
Group Component Work to be carried out
Intervals & Lifetime
[operating hours]
0
Lubricating oil − Laboratory analysis 3000
Main fuel and
lubricating oil
filters
− Check filter elements − in particular for white
metal particles (clean or replace filter as
necessary). Follow manufacturer’s instructions
3000
Cooling water
− Calculate quality, concentration of inhibitor and
pH value (follow instructions of inhibitor
manufacturer)
weekly
1
1112−1 Bedplate
− Check pre−tension of foundation bolts, first
check after 1500 Op. H
12000
− Check condition of rubber gasket in the vertical
oil drain to sump tank (see SPC 9722), first
time at the earliest opportunity after ship
delivery.
30000 (replacement
recommended)
− Estimated lifetime: Bedplate foundation bolts engine lifetime
Crankcase
− Visual examination, 100 Op. h after overhaul
works: search for white metal particles from
bearings and for abnormalities in general.
1500 − 3000
− Estimated lifetime: crankcase engine lifetime
1132−2 Main bearing
− Bearing shell inspection is only necessary if
bearing clearance, crankshaft deflection, wire
check oil analysis or crankcase inspection
indicates excessive wear or damage
at indications of
excessive wear or
damage
− Bearing edge check by wire 6000
− Check bearing clearance see 0330−1 6000
− Estimated lifetime: Main bearing shell
90000 (replacement if
required)
1203−1 Thrust bearing − Check axial and vertical clearances 6000 − 8000
− Check bottom drain for free passage 6000 − 8000
1224−1
− Thrust bearing pads inspection is only
necessary if bearing clearance, oil analysis or
crankcase inspection indicates excessive wear
or damage
at indications of
excessive wear or
damage
− Estimated lifetime: Thrust bearing
90000 (replacement if
required)
2016-01
Maintenance Schedule
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