Maintenance0380−1/A1
Winterthur Gas & Diesel Ltd.
2/ 11
Group Component Procedure Intervals and Service
Life (operation hours)
1715−1 Engine Stays − Hydraulic type: Do a check of the oil pressure
on the gauge
Monthly
1903−1 Tie Rod − Do a check of the pre-tension. If necessary,
apply tension again. First time one year after
the ship is supplied
24000 to 30000
− Estimated service life: Tie rod Engine lifetime
2
2124−1 Cylinder Liner − Measure the cylinder liner (in installed position) At each piston removal
2124−2 − Remove the cylinder liner As necessary
− Replace the O−rings At each liner removal
− Replace the soft iron joint ring between the
cylinder liner and cylinder cover
At each piston removal
− Replace the O−rings of the water guide jacket
and transition tubes
At each liner removal
− Do a condition check of the antipolishing ring At each piston removal
2124−3 − Grind off wear ridge in bore At each piston removal
− Refinish the lubricating grooves As necessary
− Clean the scavenge ports and refinish their
edges
As necessary
− Estimated service life: Cylinder liner Up to 90000
2138−1 Lubricating Quill
(Pulse
Lubrication)
− Do a function and tightness check At each piston removal
− Do a function check of the non-return valves At each piston removal
2140−1 Gas admission
valve (GAV)
− Do a function and tightness check of the GAV 6000
− Do an overhaul of the valve seat of the GAV 18000 to 21000
− Do a visual check of the compensator at the
gas inlet pipe (without removal)
6000
− Estimated service life: Valve spindle, includes
the guide, stroke sensor and rail valve
36000
− Estimated lifetime: Housing and servo drive Engine lifetime
2303−1 Piston rod gland − Clean the piston rings, find the worn areas At each piston removal
− Estimated service life: Piston rod gland 36000 (refers to rings)
Inspection and Overhaul Intervals (Guidelines)
2020
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