Lubrication system
OPM 320 en-GB
24
©
Scania CV AB 2019, Sweden
Oil analysis
To be able to extend the oil change intervals us-
ing an oil analysis, Scania LDF-4 oils must be
used. Certain laboratories offer engine oil analy-
sis.
The following conditions must remain fulfilled
when the oil is changed:
• Viscosity at 100°C (212°F): max. ±20% of
the original value of the fresh oil.
• TBN (in accordance with ASTM D4739):
>3.5
• TBN (in accordance with ASTM D4739):
>TAN (in accordance with ASTM D664).
• Oil oxidation (in accordance with
DIN 51453) > 10.
During analysis, the oil’s TBN (Total Base Num-
ber), TAN (Total Acid Number), fuel dilution,
water content and viscosity are measured, as well
as the quantity of particles in the oil.
The result of a series of analyses is used as the
basis for establishing a suitable oil change inter-
val.
If the conditions are changed, a new oil analysis
programme must be carried out to establish new
oil change intervals. Work out the new oil
change interval for the engine in conjunction
with the workshop.
Note:
Only Scania LDF-4 oils may be used in conjunc-
tion with oil analysis and a possible extended oil
change interval.
Depending on the market, the warranty condi-
tions may also change if the oil change intervals
differ from the recommended Scania timetable.
