Section 6 Fuel Systems

When planning an installation, check state and local regulations regarding fuel storage and handling. Piping and fuel system components must conform to these regulations.

6.1 Diesel Fuel Systems

Since diesel fuel is less volatile than gas or gasoline, it may be considered safer fuel from the standpoint of storage and handling. This is often reflected in less stringent regulations for placement of tanks. In some locations, main tanks of considerable size are permitted inside the building or enclosure; however, local regulations must be checked before planning the installation.

The main components of a typical diesel fuel system are a main fuel storage tank, fuel lines, transfer tank, and auxiliary fuel pump. See Figure 6-1.

Fuel storage tanks may be located above ground indoors or outdoors, or buried underground. “Base-mounted” or “subbase” tanks are commonly used. This is a tank that is contained in a base that the generator is mounted on. See Figure 6-2.

Fuel filters and sediment drains must be easily accessible for regular and frequent service. Cleanliness of the fuel is especially important on diesel engines which have easily clogged, precision fuel injectors and pumps. Black iron pipe or steel tubing must be used for diesel fuel systems—galvanized tanks and piping must not be used since the diesel fuel will react chemically with them to produce flaking which will quickly clog filters or causes failure of the fuel pump or injectors. All flexible lines must be of the type approved for diesel fuels.

 

 

 

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TP-5700-6

 

 

 

 

 

 

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Injector return line

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Fuel supply line from main fuel tank to day tank

 

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Day tank vent

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Overflow line

 

 

 

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Day tank

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Foot valve

 

 

 

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Auxiliary fuel pump

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Main fuel storage tank

 

 

 

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Tank drain

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Fuel tank vent

 

 

 

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Electric fuel level control switch

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Tank filling inlet

 

 

 

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Fuel supply line from day tank to engine connection

 

 

 

 

 

Figure 6-1 Diesel Fuel System

TP-5700 7/93

Section 6 Fuel Systems 25

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Kohler 20--2800 kW manual Diesel Fuel Systems

20--2800 kW specifications

The Kohler 20-2800 kW generator series is renowned for its exceptional performance and reliability, making it a prime choice for various industrial and commercial applications. Designed for continuous and backup power generation, these generators are capable of providing robust energy solutions for facilities that demand high capacity and efficiency.

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Safety features are integrated into the generator design, including automatic shutdown systems for over-speed, low oil pressure, and high water temperature, ensuring that the equipment operates safely during emergencies.

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