Category Archives for Diesel Fuels & Diesel Fuel Systems

Partial Load Operation

Extended operation at low idle or at reduced load may cause increased oil consumption and carbon buildup in the cylinders. Carbon buildup results in a loss of power and/or poor performance. When possible, apply a full load at least on … Continue reading

10. May 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Partial Load Operation

Fuel Heaters

Just as the ability to remove excess heat from fuel is an important design consideration in some applications, so is the ability to add heat to fuel in applications involving cold environments. Diesel fuel must not be too warm or … Continue reading

10. May 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Heaters

Fuel Coolers

As mentioned earlier in the Basic Fuel System description, Cat diesel engine fuel delivery systems are designed to deliver more fuel to the engine than is required for combustion, with the excess being returned to the fuel tanks. This excess … Continue reading

10. May 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Coolers

Fuel Temperature

The fuel temperature supplied to the engine can affect unit injector life and maximum power capability. Reduced lubrication capability due to high temperature/low viscosity fuel may result in component scuffing. The minimum allowable viscosity at the injectors is 1.4 cSt. … Continue reading

10. May 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Temperature

Typical Distillate Fuel Centrifuge System

Centrifuge seal water and control air requirements must be specified by the centrifuge manufacturer. Sample Points The centrifuge operating efficiency is checked by drawing samples from both sides of the centrifuge. Suction Strainer Install a simplex strainer ahead of the … Continue reading

10. May 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Typical Distillate Fuel Centrifuge System

Primary Fuel Filter Element Specification

The specs for primary fuel system elements are as below: 10 Micron Nominal Filtration For additional information see SENR9620 Fuel Systems – Improving Component Durability Duplex Fuel Filters Many Cat engines can be equipped with duplex fuel filters as shown … Continue reading

28. April 2021 by samuel
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Filter Micron Ratings

Caterpillar specifies actual filter capability, rupture strength, the capacity for holding dirt, flow resistance, filter area, etc. Caterpillar does not specify filter or filter paper by micron rating. Micron ratings are easily confused for the following reasons: – The test … Continue reading

28. April 2021 by samuel
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Fuel Filtration Systems

Clean fuel that meets Caterpillar fuel recommendations provides outstanding engine service life and performance. The use of lesser fuels is a compromise and the risk is the user’s responsibility. Fuels not meeting Caterpillar’s minimum specifications as described in SEBU 6251 … Continue reading

28. April 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Filtration Systems

Fuel Piping Design Considerations

Fuel Supply Piping Using shutoff valves in the delivery line may pull air into the system during shutdown and cause hard starting. The engine control system provides adequate shutdown options, but, if a shutdown solenoid is specified in the supply … Continue reading

20. April 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Piping Design Considerations

Fuel Transfer Systems

The diesel engine fuel supply, delivery and governing systems are designed to deliver clean fuel in the precise quantity and time needed to produce the required engine performance. All connection lines, valves and tanks should be thoroughly cleaned before making … Continue reading

20. April 2021 by samuel
Categories: Diesel Fuels & Diesel Fuel Systems | Comments Off on Fuel Transfer Systems

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