Maintenance0380−1/A1
Winterthur Gas & Diesel Ltd.
4/ 10
Group Component Work to be carried out
Intervals & Lifetime
[operating hours]
2751−4 − Estimated lifetime: Exhaust valve spindle
108000
(remanufacturing as
required)
− Exhaust valve seat
72000
(remanufacturing as
required)
3
3103−1 Crankshaft
− Measure crank deflection, always after the ship
grounded and after each docking
6000
3130−1
Torsional
vibration
damper
− Get a silicon oil sample from viscous vibration
damper (based on results of 1
st
sample,
interval for taking further samples will be
decided by damper manufacturer)
first time after
15000− 18000
3130−2
− Inspection interval and dismantling of vibration
damper
acc. to instructions of
damper manufacturer
3140−1 Axial damper − Disassembly and inspection 36000 − 48000
3206−1 Turning gear − Inspection interval of turning gear
in accordance with
the instructions of the
turning gear
manufacturer
− Lubrication of tooth flanks of pinion and
flywheel, related to visual inspections, however
latest each 2000 Op. h of main engine
2000
− Check screwed connections, first time after
one year
12000
Connecting rod
bearings
− Check bearing clearances (see 0330−1) 6000 − 8000
− Bearing edge check by wire 6000 − 8000
3303−2
− Bottom end bearing inspection is only
necessary if bearing clearance, wire check, oil
analysis or crankcase inspection indicates
excessive wear or damage.
at indications of
excessive wear or
damage
3303−3
− Top end bearing inspection is only necessary if
bearing clearance, wire check, oil analysis or
crankcase inspection indicates excessive wear
or damage.
at indications of
excessive wear or
damage
− Estimated lifetime: Connecting rod bottom end
bearings
90000 replacement if
required
− Estimated lifetime: Connecting rod top end
bearings
90000 replacement if
required
2016-01
Inspection and Overhaul Intervals (Guidelines)