Mitsubishi S16R, Operation & Maintenance Manual

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14 APPENDIX
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
206
Pub. No. K29001-00320 Revision: 1
Engine Oil Quality Standards
*1: I test temp. (24°C [75°F] ), II test temp. (93.5°C [200°F]), III test temp. (24°C [75°F] after 93.5°C [200°F])
*2: Temperature of aluminum panel: 300°C [572°F] and 325°C [617°F], Temperature of engine oil: 100°C [212°F],
Splatter time: 15 seconds, Downtime: 45 seconds, Test time: 8 hours. The properties are the weight of solid product
accumulated on the panel.
Table 14-1 Engine Oil Quality Standards
Item Unit
Recommended
property value
Test method
API/JASO standards - CF grade -
SAE viscosity - 15W-40 -
ASTM Color - L4.0 JIS K 2580
Density 15°C [59°F] g/cm
3
0.87 to 0.90 JIS K 2249
Kinetic viscosity
40°C [104°F]
mm
2
/s
100 to 110
JIS K 2283
100°C [212°F] 13.5 to 15.5
Viscosity index - - JIS K 2283
Flash point °C [°F]
225 to 250
[437 to 482]
JIS K 2265
Base Num-
ber
Hydrochloric
acid method
Sulfur content in
fuel
1.0 weight% or
lower
mgKOH/g
10 or higher
(up to 13)
JIS K 2501
0.2 weight% or
lower 8 or higher
(up to 13)
Perchloric acid
method
1.0 weight% or
lower 13 or higher
(up to 16)
0.2 weight% or
lower 11 or higher
(up to 16)
Acid Number mgKOH/g 1.5 to 2.0 JIS K 2501
Sulfur content % 0.5 or lower JIS K 2541
Sulfuric acid ash % 2.0 or lower JIS K 2272
Carbon residue content % 2.0 or lower JIS K 2270
High temperature shear viscosity 150°C [302°F] mPa·S 3.7 or more JPI-5S-36-91
Pour point °C [°F]
-25 or lower
[-13 or lower]
JIS K 2269
Additives
Ca
Weight%
0.480 to 0.570
JIS K 0116
P 0.050 to 0.070
Zn 0.060 to 0.080
B -
Si 0.001 or lower
N 0.030 to 0.060 JIS K 2609
Bubbling test
*1
I
mL
10/0
JIS K 2518 II 30/0
III 10/0
Panel coking test
*2
300°C [572°F]
mg
140 or lower
FED791-3462
325°C [617°F] 300 or lower