Mitsubishi S6R Series, Operation & Maintenance Manual

Page: 50 / 118

4-2
Chapter 4 FUEL
Fuel Specification
Use fuel which meets the requirements specified in the table below.
Table 4-2 Recommended Limit and Use Limit of Fuel Property
Item Recommended limit Use limit Test method
Flash point
50°C [122°F] or higher
(In accordance with the regulation)
JIS K 2265
:2007
ISO 3769
ISO 2719
Distillation
Initial boiling point 170°C [338°F] or higher
JIS K 2254
:1998
ISO 3405
90 % distillate tempera-
ture
330 to 380°C [626 to 716°F]
Pour point (PP) 6°C [42.8°F] or lower than ambient temperature
JIS K 2269
:1987
ISO 3016
Cloud point (CP) Below ambient temperature
JIS K 2269
:1987
ISO 3015
Cold filter plugging point (CFPP) 3 °C [37.4 °F] or lower than ambient temperature
JIS K 2288
:2000
IP 309/96
Carbon residue (10 % residual oil) 0.4 weight % or lower 1.0 weight % or lower
JIS K 2270
:2000
ISO 6615
ISO 10370
Cetane number 45 or higher
JIS K 2280
:1996
ISO 5165
Cetane index (new type) 45 or higher
JIS K 2280
:1996
ISO/DIS 4264
Kinetic viscosity
2.0 mm
2
/s [0.0031 in
2
/s] or more at 30 °C [86 °F]
8.0 mm
2
/s [0.0124 in
2
/s] or more at 30 °C [86 °F]
JIS K 2283
:2000
ISO 3104
Sulfur content 0.2 weight % or lower
1.0 weight % or lower
(Shorten lub. oil change
intervals)
JIS K 2541
:2000
(The content
should be as
low as the die-
sel fuel.)
ISO 4260
ISO 8754
Water content and sediment 0.1 volume % or lower
JIS K 2275
:1996
ISO 3733
Ash content 0.01weight % or lower 0.03 weight % or lower
JIS K 2272
:1998
ISO 6245
Copper corrosion
(3 hrs at 50 °C [122 °F])
Color change = Copper plate No.3 or less
JIS K 2513
:2000
ISO 2160
Density at 15 °C [59 °F]
0.83 to 0.87 g/cm
3
[49.9424 to 54.3123 lb/ft
3
]
0.80 to 0.87 g/cm
3
[49.9424 to 54.3123 lb/ft
3
]
JIS K 2249
:1995
ISO 3675
Caulking
24 hrs at 250 °C
[482 °F]
75 % carbonization or less 80 % carbonization or less
Fed 791B
24 hrs at 230 °C
[446 °F]
55 % carbonization or less -
48 hrs at 180 °C
[356 °F]
Tar-free -
Aromatics substances (by HPLC) 38 % by volume or less
JIS K 2536
:2003
ISO 3837
Polycyclic aromatic content 8 volume % or lower
Asphaltene 0.1 weight % or lower -