Idle speed adjustment of 20 Kubota excavator

1. First, slowly loosen the throttle opening adjustment screw with a screwdriver.

2. Secondly, when the engine is about to turn off, screw it in a little bit to keep the engine running. Adjust the idle mixture adjusting screw. Let the engine run faster.

3. Finally, turn out the valve opening adjustment again to achieve stable idle work, which not only accelerates but also does not stall.