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Fuel Tank Design and Installation

Posted on 3/25/2016 10:16:06 AM

The fuel tank is an integral part to any fuel system and it is therefore important to make sure the fuel tank design and material specification is to the correct standard in order to support the integrity of the common rail fuel system. The following provides details of the mandatory requirements and recommendations when designing the fuel tank.The fuel tank MUST be designed using materials suitable for fuel oils.The fuel tank MUST be designed using materials that do not corrode. 

It is recommended that the fuel tank include a sediment/water trap at the base of the tank, that is accessible for periodic service.The fuel feed line must be above the sediment trap to leave at least 3% to 5% of the fuel in the tank.The fuel return line to tank can be below or above the maximum fuel level in the tank.If the fuel return to tank is below the maximum level it must be at least 150mm away from the outlet from the tank. This is to avoid hot fuel being re-circulated into the engine and allow any entrapped air to dissipate.

 The fuel tank must be fitted with a 2 micron serviceable breather fitted to the tank.

 It is not recommended to include a gauze on the fuel feed line inside the tank.
 It is recommended that the fuel tank filler neck includes a serviceable mesh to prevent
debris from entering the tank during filling.
 It is recommended that the fuel tank filler neck be located such that it is easy to clean the area before removing the cap and so that debris will not enter the filler during the machine refilling.
 The inside of the fuel tank must not be painted.
 The manufacturing of the fuel tank should be to Perkins cleanliness standard.

fuel tank

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