Importance

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Abstract

A method for calibrating the injection time (.alpha.) of a first fuel (6') in a diesel engine (2). The method comprises the steps of feeding adjustment fluid (6) under pressure to an injection adjuster (3) which comprises an adjuster plunger (4). The diesel engine (2) is made to run at a constant speed (r). The adjuster plunger (4), which is coupled to a roller-bearing ring (15) for adjusting the injection time (.alpha.) is adjusted with the aid of the pressure of the adjustment fluid (6). The fuel consumption of the diesel engine (2) is measured and the injection time (.alpha.), when the fuel consumption converts from varying to being constant and/or vice versa, is recorded. The recorded injection time (.alpha.) is compared with a predetermined injection time (.alpha..sub.1) and the injection adjuster (3) is calibrated by regulating the pressure of the adjustment fluid (6) so that the adjuster plunger (4) is set in a position which corresponds to an injection time (.alpha.) which accords with the predetermined injection time (.alpha..sub.1).

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First Claim