Lincoln diesel welding machine doesn't turn off the throttle.

What you want to ask is why the throttle of Lincoln diesel electric welding machine doesn't suck? Lincoln diesel electric welding machine can't turn off the throttle because:

1. Throttle cable problem: Check the throttle cable connected to the engine. Loose cable disconnection will cause the throttle of Lincoln diesel electric welding machine not to suck.

2. Throttle blockage: Throttle blockage will cause the throttle not to suck in. Clean the throttle to ensure its normal operation.