COUPLING AS 1160630 - Caterpillar

Illustration 1 g02242813
Adjust the speed variation rate by turning the adjusting screw of the swivel lever.
Remove the plug at the top of the governor, and set the speed control lever to the low idle speed position. The swivel lever will turn up, showing the head of the adjusting screw. Use a flat-head screwdriver to turn the adjusting screw.
The speed variation rate decreases as the adjusting screw is tightened and increases as the screw is loosened. A quarter of a turn of the adjusting screw equals to one governor notch and changes the engine speed by three to five revolutions per minute.
Turning the adjusting screw changes the tension of the governor spring and hence the maximum speed. Readjust the governor setting bolt.
The maximum speed increases as the adjusting screw is tightened and decreases as the screw is loosened.