Maintenance
0380−1/A1
Winterthur Gas & Diesel Ltd.
7/ 10
Group Component Work to be done Intervals & Lifetime
(operation hours)
5562−1 Fuel pressure
control valve
(PCV)
− Do a check of the shut-down function
(refer to the Operation Manual 4003−1)
3000
− Do a function check (refer to the Operation
Manual 5562−1)
6000
− Do a general overhaul only necessary if the
PCV is defective
− Replace the oil filter 18000
Estimated lifetime: PCV engine lifetime
5562−2 Fuel
overpressure
safety valve /
relief valve
− Do a function check on the test bench 24 000 to 36 000
5564−1 Injection control
unit (ICU)
− Use flexView to do a check of the on-time of the
rail valves. Replace if the on-time is more than
2.6 ms.
Monthly
5564−4 Injection Control
Unit (ICU), Mk 3
design
Do an overhaul or replace ICU with a new item or
a Wärtsilä re manufactured item, incl. rail valves
36000
Servo oil rail − Replace hoses (each a minimum of 5 years) 30 000
5612−1 Exhaust valve
control unit
− Use flexView to do a check of the on-time of the
rail valves. Replace if the on-time is more than
2.6 ms.
− Do a random check of the piston and slide rod
Monthly
36 000
− Replace the rail valve 36 000
− Do a check of the servo oil filter 18 000
Estimated lifetime: Exhaust valve control unit engine lifetime
5583−1
(or
5556−1)
Fuel pump
actuator
− Make sure that the regulating linkage moves
freely. Lubricate parts than move
3000
6
6420−1 Scavenge air
receiver
− Clean and do a check of the flaps 4000 to 6000
− Clean the receiver 4000 to 6000
− Make sure that the water drain pipes and holes
are not blocked
1500 to 3000
Inspection and Overhaul Intervals (Guidelines)
2020−06
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