Chassis Information --- Section 10
The Executive 2005
497
FUEL SYSTEM - Fuel Requirements
Low sulfur #2 diesel fuel or #1 and #2 commercial winter blend diesel fuels are the most common
commercially available and recommended for use.
The use of #2 diesel fuel will result in optimum engine performance.
Try to obtain fuel from sources that are serviced often such as large truck service facilities. The
fuel supply is fresh and the possibility of introducing contaminants or water into the fuel system is
reduced. It is important to not empty the engine of fuel. The fuel system on the engine is sensitive to
air. If the engine is allowed to run out of fuel, the fuel system will need to be thoroughly primed before
the engine will start. Refer to the Fuel Filters article for priming instructions.
WARNING:
Do not mix gasohol with diesel fuel. This mixture can cause an explosion.
NOTE:
If the engine has run out of fuel it will need to be primed. Refer to Fuel Filters for
instructions on priming the fuel system.
NOTE:
Due to the precise tolerances of diesel injection systems, it is extremely important
that fuel be kept clean and free of dirt or water. Dirt or water in the system can
cause severe damage to both the fuel pump and the fuel injectors. Fuel additives
for lubricity are not recommended. There are numerous diesel fuel additives to
help remove moisture from fuel, prevent microbe growth and to prevent gelling
during cold weather. Before adding any type of fuel additive or extender, consult
the Manufacturer’s Owner’s Manual.
Fuel Tank
The diesel fuel tank is made of aluminum. Pick-up and return lines are placed at opposite ends of
the tank inhibiting fuel aeration. The engine pickup tube is cut at a 45° angle to allow optimum flow to
the engine. The generator and Aqua-Hot intake tubes are set to approximately ¼ of a tank. This will
prevent depleting the fuel supply while dry camping.
090335 b
Fuel Sending Unit
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