What is the choke position on a lawn mower?
Normally, the choke is closed when starting cold and gradually opened in the few seconds after the engine starts. It is left fully open once the engine is running and may not need to be closed when starting warm. A typical starting procedure for an engine with a choke might be: Close the choke (usually on carburetor).
Is choke open or closed when starting?
The choke is a plate in the carburetor that opens and closes to allow more or less air into the engine. … The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in.
How do you tell if the choke is open or closed?
When the choke butterfly is allowing the most air flow, without restriction, it is open. Like a door. Open lets things through. when the choke is restricting the flow of air, it is closed.
What could cause a lawn mower not to start?
Your Mower Won’t Start:
Other possible causes include: Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas.
What is the choke off symbol?
( I ) is choke off. This symbol represents the butterfly valve in the carburetor. When it’s straight up, the butterfly valve is not restricting the air flow, therefore, it is not choking. Vice versa for the other symbol.
Why does my lawnmower only run on choke?
If you have a choke lever separate from the throttle and the engine only stays running when choked, then your carburetor has a fuel blockage causing it to be too lean(not enough fuel). The only way to balance the fuel air mixture is to restrict the air by choking it. That’s why it runs better on choke.
Is it bad to run mower with choke on?
it is not advisable to run lawn mover engine in the choke position. For start up it is OK. But after it for normal running, choke position is not advisable. In that position the engine will consume more fuel.
How do you adjust a carburetor choke?
Watch the butterfly valves inside the carburetor while turning the automatic choke element clockwise until the butterfly valves are standing straight up. Turn the choke element counterclockwise until the butterfly valves are fully closed. Tighten the three automatic choke element screws with the screwdriver.
What can go wrong with a carburetor?
Carburetor Problems and Solutions
|Carburetor floods Engine starves for fuel at high speed (leans out)||Check inlet needle and seat for condition and proper installation|
|Carburtor leaks Engine overspeeds Idle speed is excessive||Check sealing of welch plugs, caps, plugs and gaskets|