Fuel - Detroit Diesel MBE 4000 Service Manual

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5.1

FUEL

Use only commercially available vehicle diesel fuel. Grades such as marine diesel fuel, heating
oil, and others are not permissible.
NOTE:
Do not use fuel additives. Using fuel additives could affect your warranty.
If using diesel fuel with a high sulphur content, exceeding 0.5 percent by weight, change the
engine oil at shorter intervals.
Fuel added from drums or cans could be contaminated. This
could lead to malfunctions in the fuel system. Always filter the
fuel before adding it to the tank.
5.1.1
The effectiveness of flow improvers is not guaranteed with all fuels. Comply with the product
manufacturer's recommendations. Any authorized dealer can provide information on approved
flow improvers.
5.1.2
The addition of kerosene lowers the flash point of diesel
fuel. To prevent fire and risk of injuries due to burning,
do not smoke or use open flames around fuel mixed with
kerosene. Comply with all appropriate safety regulations.
Keep the quantity added as low as possible, bearing in mind the outside temperature. The addition
of five percent by volume of kerosene will improve the fuel's resistance to cold by about 1.8 F
(1 C). Never add more than 50 percent kerosene to the fuel.
For safety reasons, add the kerosene to the diesel only in the fuel tank. Add the kerosene first, then
the diesel. Run the engine for a short time to allow the mixture to reach all parts of the fuel system.
5.1.3
At low outside temperatures, paraffin may separate from the diesel and affect its ability to flow
freely.
Avoid breakdowns caused by this problem (for example, blocked filters) by using cold-resistant
winter-grade diesel fuel with improved low-temperature flow characteristics. In most cases,
winter-grade fuel can be used without problems at cold outside temperatures.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Flow Improvers
Kerosene
Winter Grade Diesel Fuel for Cold Weather
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NOTICE:
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MBE 4000 SERVICE MANUAL
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5-3