Importance

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Abstract

An injection nozzle sleeve servicing system is provided. The system includes: a guide having two ends and an interior chamber, the guided having threads on one end; an installer screw dimensioned to fit inside the interior chamber, the installer screw having a threaded end and a pushing end; an external nut having two sets of threads wherein each of the two sets of threads on the external nut are threaded in different directions wherein one of the sets of threads on the external nut is configured to communicate with the threads on the guide and the other set of threads on the external nut is configured to communicate with the threads on the installer screw; and a rotational lock in the guide configured to prevent the installer screw from rotating with respect to the guide, wherein when one set of threads on the external nut is engaged with the threads on the guide and the other set of threads on the external nut is engaged with the threads on the installer screw, and the external nut is turned with respect to the guide and the installer screw to cause relative axial movement between the external nut and the guide, the installer screw moves axially with respect to the guide at a different rate than the axial movement of the external nut and the guide. A method for installing a fuel injector nozzle sleeve may also be provided.

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First Claim