14 © Scania Industrial & Marine Engines 1997-11:2
LUBRICATION OIL SYSTEM
OIL GRADE
The engine oil should at least meet the requirements for one of the following
oil classifications:
-Service CE or CF as per API
-CMC - D5
-Acea E3-96
- Check with your oil supplier if the oil meets these requirements.
- Specified oil change intervals apply under the provision that the sulphur
content of the fuel does not exceed 0.3% by weight.
- Viscosities as illustrated.
- At very low outside temperatures: Consult your nearest Scania repre-
sentative to avoid difficulties.
Oil analysis
Some oil companies can offer analysis of the engine oil. This analysis meas-
ures the oil’s total base number (TBN), total acid number (TAN), fuel dilu-
tion, water content, viscosity and the content of wear particles and soot in the
oil.
The result of a series of analyses forms the basis of establishing a suitable oil
change interval.
If the conditions are changed, a new oil analysis program must be undertaken
to establish a new change interval.
-40 -30 -20 -10 0 10 20 30 40
°C
SAE 10W-30
SAE 20W-30
SAE 30
SAE 40
SAE 50
SAE 5W-30
SAE 15W-40
Additives must not be used.
The oil should be able to cope
with all temperature
variations up until the next
oil change.
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