92
FUEL, LUBRICANTS & COOLANTS
FUEL
Fuel :
High speed diesel conforming to IS 1460
OR
EN
590
OR
equivalent is recommended to be used as fuel.
At very low temperature fluidity of diesel may become
insufficient due to paraffin separation. It is therefore,
necessary to mix supplementary fuel with summer or winter
grade diesel. The supplementary fuel to be used is kerosene
or aviation turbine fuel.
Ratios for mixing of supplementary fuel and diesel
are shown in table :
Ambient
Percentage
temperature upto
Summer
Supplementary
0
C
grade diesel
fuel
upto 0
0
C
100
0
0
0
C to -10
0
C
70
30
-10
0
C to -15
0
C
50
50
Ambient
Percentage
temperature upto
Winter
Supplementary
0
C
grade diesel
fuel
upto -15
0
C
100
0
-15
0
C to -20
0
C
70
30
-20
0
C and Below
50
50
Care should be taken that diesel and supplementary fuel
are thoroughly mixed before filling.
WARNING
Do not mix gasoline OR alcohol with diesel. This mixture
can cause explosion.
NOTICE
Where oxidation catalytic converter is fitted. It is
mandatory to use Diesel fuel with sulphur contents as
under. Use of any other diesel fuel can increase the
pollutants.
Sulphur Content :
0.035% (BS-IV) / 0.05% (BS-III)
CAUTION
Due to precise tolerance of diesel injection systems. It
is extremely important that the fuel be kept clean and
free of dirt or water. Dirt or water in the system can cause
severe damage to Common Rail system
Do not add fuel additives with diesel.
Use low sulphur content fuel having a cloud point that is at
least 10 degree below the lowest expected fuel temperature
at which wax crystals begin to form in diesel.
Viscosity of the fuel must be kept above 1.0 centistokes to
provided adequate fuel system lubrication at 40
0
C.
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