3046 Engine for Caterpillar Built Machines High Idle RPM - Adjust - In-line Fuel Pump Caterpillar


High Idle RPM - Adjust - In-line Fuel Pump
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3046 Engine for Caterpillar Built Machines [SENR6457]
FUEL SYSTEM
GOVERNOR GP
3046 Engine for Caterpillar Built Machines Low Idle RPM - Adjust - In-line Fuel Pump
3046 Engine for Caterpillar Built Machines High Idle RPM - Adjust - In-line Fuel Pump

Gather the necessary high idle information that is stamped on the engine information plate before starting this procedure.




    Illustration 1g00566907

    Governor adjustment

    (1) High idle screw

    (2) Speed control lever

    (3) Low idle screw

    (4) Idle subspring screw

    Note: For any adjustments, ensure that the coolant and oil temperature are above 70 °C (158 °F).

  1. Pull speed control lever (2) to one-half throttle. Operate the starting motor in order to crank the engine.

  1. At approximately 150 rpm, the engine will begin to start and the engine will pick up speed. Immediately after the engine is running, adjust the speed control lever in order to hold the engine rpm between 800 and 1000 rpm.

  1. When the engine is running at a steady speed, move the speed control lever back to the low idle position.



    Illustration 2g00566993

    High idle position

    (1) High idle screw

    (2) Speed control lever

  1. Hold speed control lever (2) at the maximum speed position (full throttle) in order to set the high idle of the engine. Set high idle screw (1) to adjust to the high idle that is stamped on the engine information plate ± 50 rpm.

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