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Cummins N14 STC, Celect, Celect Plus – Service Manual 005-028   Fuel Pump High Idle Speed

Table of Contents

Adjust

Adjust

 TOC

To adjust the VS idle speed, remove the locknut and jam nut from the screw in the rear of the VS cover.

Install a new copper washer and the jam nut.

SMALL | MEDIUM | LARGE


Start the engine. Hold the VS lever counterclockwise
in the idle position. Adjust the idle screw to the correct rpm and tighten the jam nut.

Install a new copper washer and locknut.

SMALL | MEDIUM | LARGE
   


To adjust the VS high speed, remove the locknut and jam nut from the top screw of the VS cover. Discard the copper washers.

Install a new copper washer and the jam nut.

SMALL | MEDIUM | LARGE
   


Start the engine. Hold the VS lever

clockwise
in the high speed position. Adjust the screw to the correct rpm and tighten the jam nut.

Install a new copper washer and the locknut.

SMALL | MEDIUM | LARGE
Last Modified:  18-Oct-2011
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