Fuel, Lubrication Oil and Coolant Selection
by Starlight Generator dieselgeneratortech① Fuel
The fuel should be selected
according to ambient temperature. The selection should comply with light Diesel Fuel(GB252 choice fuel and first class fuel).
Ambient temperature |
Above 4℃ |
Above -5℃ |
Above -14℃ |
Above -29℃ |
Above-4 4℃ |
Light Diesel Fuel # |
0# |
-10# |
-20# |
-35# |
-50# |
② Oil
Lubricating oil should be
selected according to the ambient condition. The class of oil should not be
lower thant CD class of GB11122-1997
Ambient temperature |
Summer |
Above 0℃ |
Above -15℃ |
Above -30℃ |
Diesel Fuel # |
15W/40CD |
15W/30CD |
15W/30CD |
5W/30CD |
③ Coolant
The coolant should be
anti-freezing, especially when the engine is used in the plateau and in cold
weather(below 0℃). It is good for the engine.
The most used anti-freezer is glycol-water, which is a mixture of glycol and
water( soft water is best. such as well water, spring water or other hard
water, it should be mixed 2g tri-sodium phosphate with one liter water for softing).
Selection of different proportionality coolant should vary with the ambient
temperature.
Glycol percentage(%) |
Density of
glycol-water(g/cm³) |
Freezing point (℃) |
28 |
1.034 |
-10 |
38 |
1.050 |
-20 |
48 |
1.063 |
-30 |
55 |
1.072 |
-40 |
60 |
1.078 |
-50 |
68 |
1.087 |
-68 |
Note:
When the percentage of the
glycol is above 68%, its freezing point rises. So the percentage of the glycol
should not be above 68% when you make up anti-freezer. Glycol is a transparent,
viscid, poisonous liquid. Wash your skin with water immediately if it contacts
your skin. Glycol is flammable. So, do not weld or light fire when there is
coolant leakage.
When there is an emergency,
anti-freeze can be replaced by soft water, such as tap water and rain water.
Otherwise there will be scale on the wall of water jackets of diesel engine and
the deposit will weaken cooling effect and cause the engine to over heat.
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Created on Nov 29th 2017 01:31. Viewed 432 times.