Perkins 904D-E28T Operation And Maintenance Manual page 62

62
Maintenance Section
General Fuel Information
The diesel fuel "ASTM D975 1-D" used in the United
States of America may be used in cold temperatures
that are below −18 °C (−0.4 °F).
In extreme cold ambient conditions, you may use the
aviation kerosene fuels that are specified in Group 2.
These fuels are intended to be used in temperatures
that can be as low as −54 °C (−65.2 °F). Refer to
Group 2 for detail and conditions of use of the
aviation kerosene fuels.
Mixing alcohol or gasoline with diesel fuel can
produce an explosive mixture in the engine
crankcase or the fuel tank. Alcohol or gasoline
must not be used in order to dilute diesel fuel.
Failure to follow this instruction may result in
death or personal injury.
There are many other diesel fuel specifications that
are published by governments and by technological
societies. Usually, those specifications do not review
all the requirements that are addressed in table 7 . To
ensure optimum engine performance, a complete
fuel analysis should be obtained before engine
operation. The fuel analysis should include all the
properties that are stated in the table 7 .
Aftermarket Fuel Additives
NOTICE
Perkins does not warrant the quality or performance
of non-Perkins fluids and filters.
When auxiliary devices, accessories, or consum-
ables (filters, additives) which are made by other
manufacturers are used on Perkins products, the
Perkins warranty is not affected simply because of
such use.
However, failures that result from the installation
or use of other manufacturers devices, accesso-
ries, or consumables are NOT Perkins defects.
Therefore, the defects are NOT covered under the
Perkins warranty.
Supplemental diesel fuel additives are not generally
recommended, This recommendation is due to
potential damage to the fuel system or the engine.
Perkins recognizes the fact that additives may be
required in some special circumstances. Fuel
additives must be used with caution. Contact your
fuel supplier for those circumstances when fuel
additives are required. Your fuel supplier can
recommend the appropriate fuel additive and the
correct level of treatment.
Note: For the best results, your fuel supplier should
treat the fuel when additives are required. The
treated fuel must meet the requirements that are
stated in table 7 .
Perkins Diesel Fuel System Cleaner
Perkins T400012 Fuel Cleaner is the only fuel
cleaner that is recommended by Perkins.
Perkins Diesel Fuel Cleaner (part number T400012)
is the only fuel cleaner that is recommended by
Perkins.
If biodiesel or biodiesel blends of fuel are to be used,
Perkins require the use of Perkins fuel cleaner. For
more information on the use of biodiesel and
biodiesel blends refer to "Biodiesel Fuel".
Perkins fuel cleaner will remove deposits that can
form in the fuel system with the use of biodiesel and
biodiesel blends. These deposits can create a loss of
power and engine performance.
Once the fuel cleaner has been added to the fuel, the
deposits within the fuel system are removed after 30
hours of engine operation. For maximum results,
continue to use the fuel cleaner for up to 80 hours.
Perkins fuel cleaner can be used on an on-going
basis with no adverse impact on engine or fuel
system durability.
Detailed instructions on the rate of which the fuel
cleaner must be used, are on the container.
Contamination Control
Recommendations for Fuels
Fuels of "ISO 18/16/13" cleanliness level or cleaner
as dispensed into the engine or application fuel tank
should be used. This will reduce risk of power loss,
fuel system failures, and related down time of
engines. This cleanliness level is important for new
fuel system designs such as common rail injection
systems and unit injectors. These fuels systems
utilize higher fuel injection pressures and have tight
clearances between moving parts to meet required
stringent emissions regulations. Peak injection
pressures in current fuel injection systems may
exceed 2000 bar (29000 psi). Clearances in these
systems are less than 5 μm. As a result, particle
contaminants as small as 4 μm can cause scoring
and scratching of internal pump and injector surfaces
and of injector nozzles.
Water in the fuel causes cavitation, corrosion of fuel
system parts, and provides an environment where
microbial growth in the fuel can flourish. Other
sources of fuel contamination are soaps, gels, or
other compounds that may result from undesirable
chemical interactions in the fuels, particularly in
ULSD. Gels and other compounds can also form in
biodiesel fuel at low temperatures or if biodiesel is
stored for extended periods. The best indication of
microbial contamination, fuel additives, or cold
temperature gel is rapid filter plugging of bulk fuel
filters or application fuel filters.
To reduce downtime due to contamination, follow
these fuel maintenance guidelines.
M0108133-04