WÄRTSILÄ Vasa R22, Instruction Manual

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04.1.1 How to select application and fuel quality
There are two different types of applications defined:
•
Average load is above 75 % of nominal engine output.
•
Average load is below 75 % of nominal engine output.
Four types of fuel are defined:
•
HFO 1 Heavy fuel oil of normal quality.
•
HFO 2 Heavy fuel oil of below normal standard quality.
•
DO Diesel oil or light fuel oil (LFO).
Fuel characteristics, maximum limits
HFO 1 HFO 2
Sulphur mass-% 2.0 2.0 - 5.0
Ash mass-% 0.05 0.05 - 0.20
Vanadium mg/kg 100 100 - 600
Sodium mg/kg 20 20 - 50
Al + Si mg/kg 30 30 - 80
CCAI 850 850 - 870
Note! If any of specified fuel properties exceed HFO 1 maximum
value the fuel should be classified as HFO 2.
04.2
Every second day,
irrespective of the engine being in operation or not
Automatic prelubrication
Check operation
03.2.2
18.10
Crankshaft
Marine engine:
In a stopped engine, turn the crankshaft
into a new position.
04.3
Once a week,
irrespective of the engine being in operation or not
Start process
Test start (if the engine on stand-by).
03.1
04 Maintenance Schedule 22-9845/III
04 - 2 MD, HF