what is the proper procedures for cheking and adjusting the needle valve
The needle valve or flow valve controls the flow of gas into the Bunsen Burner.
The needle valve or flow valve controls the flow of gas into the Bunsen Burner.
Based on phisic , the size of Needle Valve is limited , maximum 1" and used for high pressure operation , Plug Valve the size no limited
The needle valve is used to control the amount of gas flowing to the burner. The air valve controls the amount of air.
A needle valve is a type of valve having a small orifice and a threaded, needle-like plunger. It allows precise regulation of flow, although it is generally used for, and is capable of, only relatively small flow rates. A needle valve is a type of valve having a small orifice and a threaded, needle-like plunger. It allows precise regulation of flow, although it is generally used for, and is capable of, only relatively small flow rates.
That is the main jet needle valve.
I would suspect a bad needle valve and seat in the carburetor. The float level can also be set too high. I would replace the needle valve and seat and check float level.I would suspect a bad needle valve and seat in the carburetor. The float level can also be set too high. I would replace the needle valve and seat and check float level.
It is in the float chamber of the carburetor.
Never ever use a Gate type of valve for throttling ONLY a globe pattern is designed for this purpose and a needle valve
1 1/4 turn out.
Rule of thumb: Open needle valve 1-1/2 turns and start the engine, let it warm up then slowly rotate needle valve clockwise until engine wants to stall then rotate needle valve counterclockwise until engine wants to stall. Set the valve in between the two extremes and fine tune from there for best setting.