17
Limiting Requirements For Engine Oils
If a used oil analysis program is conducted in order to determine the condition of the oil, consult the char
below. Change the oil if any of these requirements is not met.
Note:
Oil change intervals depend to a great extent on fuel properties. Be sure to use only
recommended fuels.
The limit of total base number is half of that of a new oil incase of a perchloricacid
analysis method.
Property
Test
Method
LImit
Viscosity
cSt @ 100ºC
(212ºF)
JIS
K 2283
+30%, -15% of new oil
Total Base Number (Hcl)
MgKOH/g
2.0 minimum
Total Acid Number
MgKOH/g
JIS
K 2501
+3.0% maximum of new oil
Water Content
Vol%
JIS
K 2275
0.2 maximum
Flash Point (coc)
ºC (ºF)
JIS
K 2265
180 (356) minimum
Pentane Insolubles
Wt%
0.5 maximum
Pentane Insolubles Coagulated
Wt%
ASTM
D893
3.0 maximum
Summary of Contents for 4IRQ2N
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