TATA Motors tigor, Owner'S Manual

Page: 132 / 159

TECHNICAL INFORMATION
130
Fuel Specification
Fuel (Diesel)
Normal grade BS IV compliant diesel conforming to IS1460
or EN 590 or equivalent is recommended to be used as fuel.
Do not use premium diesel available in the market for exam-
ple extra premium / Turbojet etc.
Recommended fuel specifications
Parameter Unit BS IV
Cetane Number (min) C N 51
Sulphur content
mg/kg
50
Lubricity (HFRR)
micron
460
NOTE
Where oxidation catalytic converter is fitted, it is manda-
tory to use Diesel fuel with Sulphur contents as given
above. Use of any other diesel fuel can increase the pol-
lutants.
At very low temperature, fluidity of diesel may become insuffi-
cient due to paraffin separation. It is therefore necessary to
mix supplementary fuel with summer or winter grade diesel.
The supplementary fuel to be used like kerosene. Ratio for mix-
ing of supplementary fuel and diesel are shown in the table.
Ambient Tempera-
ture up to Deg C.
Percentage
Summer grade die-
sel
Supplemen-
tary fuel
Up to 0 100 0
0 to -10 70 3
0
-10 to -15 50 5
0
Care should be taken that diesel and supplementary fuel are
thoroughly mixed before filling.
Ambient Tempera-
ture upto Deg C.
Percentage
Winter grade diesel Supplementary
fue
l
Up to -15 100 0
-15 to -20 70 30
-20 and below 50 50