Leaving the choke on while operating will result in excessive fuel consumption, irregular engine power performance and eventually may even damage the engine. To start when the engine is cold close the choke and start the generator, soon after you start the engine slowly open the choke until it tolerates it running fully open. The fuel valve is located between the fuel tank and carburetor. It will only start/run when choke fully closed and on Auto Throttle and with choke kept closed, and at idle RPMs. Fuel is … Pull the rod out toward CLOSED to enrich the mixture for cold starting. Before starting the generator, the choke should lever should be on the CLOSED position. If it really won't run without the choke being closed/on then it's not getting enough fuel and the carbs probably need cleaning. When the valve lever is in the ON position, fuel is allowed to flow from the fuel tank to the carburetor. i bought a Honda EU22000 generator about 3 months ago, filled in oil and ran it for about 1/2 hour. The generator ran fine for a while, then started acting up. But now what is happening that it is neither start on gasoline nor natural gas. Read more. Any movement toward the open position will shut the engine down. The automatic chokes, which are the most common, work on a spring mechanism housed in a plastic cover located on the passenger side of the carburetor. you want that shaft open to choke it, and closed when it's warmed up. We do not recommend that any type of outdoor power equipment be operated after initial warm-up and with the choke control outside of the normal run position for longer than 5 minutes. Reviewed in Canada on June 10, 2018. Pump seems to be working fine, but I thought I should mention this detail. Is the choke supposed to stay closed while cranking or does the thermal element inside the choke dictate if it is open or closed. When the engine heats up the spring expands and pushes the choke rod up, opening the choke. Be sure to return the fuel valve lever to the OFF position after stopping the engine. Honda EU22000 generator only runs with choke closed. i then let the engine in fuel-off position, run it until dry. The choke of any engine should be set to “closed” during startups and then moved to “open” once the engine warms up. VW and ONAN, use an ELECTRIC HEATER, placed near this flat wound spring, to heat it up, during a cold start. motorpsycho Active Member. Research on web almost always blames the carb.. Normally you would keep it on (closed) until the engine warms up and then turn it off (open). Depending on the style of your generator, this choke lever may be positioned in a few different places. If it hesitates keep it closed a bit longer and try again in a minute. Onan Generators . You then have to move it to the OPEN section as the engine starts running. How Chokes Work. When your engine is COLD, the butterfly choke will be closed, as soon as you press START, power is … With a manual choke, you will need to close and open the choke yourself when starting your engine, while an electric choke will control the air supply itself when the engine is started. Note: If the generator has not been run for several months, the carburetor float may be stuck closed and /or the jets and needle valves may be gummed up by old fuel that has turned to varnish. It will be knocked off during use, allowing the choke to return to working properly. Start generator The key switch is located on the left side of the front power panel. However, the choke is different and not compatible with this generator. Also: I just started working on this generator and the original problem was a bad fuel pump. Q: What is the function of a choke in a generator? hskbvn Registered Users Posts: 4 March 2 in Off Grid Solar & Battery Systems #1. If there is a choke plate at the air inlet, and you use a lever to open and close the plate at the air inlet; you are dealing with a choke. Sorry I don't know the size engine but I think that's no matter. Make sure it goes fully open and fully closed when you use the cable operated lever. Joined Aug 5, 2009 Messages 2,252. Generator appears to be starving for gas. Slide the lever to the left to cut the air supply and allow more gas into the engine to start. To keep the choke opening and closing properly, you’ll need to check and lubricate the choke shaft, as well as the choke linkage. Its purpose is to restrict the flow of air, thereby enriching the fuel-air mixture while starting the engine. https://www.generatorhero.com/10-common-reasons-your-generator-wont-start Page 13 OPERATION Pull the choke knob to the CLOSED position to start a cold engine. https://powergeneratorexpert.com/duromax-xp12000eh-dual-fuel-generator The ONLY way it will run is if the choke is completely closed. My daughters electricity went out they borrowed a small generator powered by a b/s engine. I left my choke on whilst riding a 125cc bike and within minutes it had overheated and slowly lost power until it died, with bluish smoke coming off the engine casing – user90843843434 Apr 26 '15 at 17:17. A choke valve is sometimes installed in the carburetor of internal combustion engines. Normally, the choke is closed when starting cold and gradually opened in the few seconds after the engine starts. Reply. (what it does to the engine whether mechanicall or electrically, when the choke is open or when the choke is between closed and open marks ?) It is left fully open once the engine is running and may not need to be closed when starting warm. what is the purpose of choke in portable home generators & motorbikes ? A typical starting procedure for an engine with a choke might be: Close the choke (usually on carburetor). CHOKE KNOB 3 -1 . John Newman Jr. What is the cause of this, and is there any problem with running it with the choke closed … While there are a few models that hold the choke lever on power control knob. Oct 6, 2011 #5 intheclear said: I'll … Verified Purchase . First I closed the natural gas valve and then opened the gasoline valve to start the generator after starting I closed the gasoline valve and waited for generator speed to die then opened the natural gas valve so that it picked the speed again. Yes, it fits, yes it works well with it. Once the engine starts to warm up, make it open. A choke is active when it is closed;that is, it is on when it is closed. Start the engine. When it first started doing it, I was able to close the choke lever just one notch from wide open and it fixed the problem. You will need to improvise to keep that choke opened or closed. Thread starter tkryan; Start date Oct 28, 2010; T. tkryan Registered. Helpful. The generator supplies very cold air to the choke housing to immediately simulate cold weather operation and rotate the choke and cooperating operating mechanisms to a closed position. On many generators, it can be found directly above the air filter on the side of the unit. The same function a choke serves in all engines that have manual chokes (and those that don’t do it automatically). It can be opened and closed by operating the choke rod manually. When the engine is cold, the spring is contracted and pulls the choke closed. I have a Wen 3500 generator that will run only with the choke closed. These conditions interfere with normal fuel delivery. Operate the choke, and you should see a brass shaft move up & down every time you use the choke. Then i drained and remaining fuel in the carburetor before storage. You'll know when it's ready for open choke because it smoothes right out and purrs nicely. This usually confuses a lot of people since OPEN sounds much easier for when you’re starting the generator and CLOSE for when you’re shutting it down. Fixing the Choke Opening and Closing. So when the choke is turned off, the engine gets too little fuel and too much air for it to run and it stalls. What happens when choke is open & when choke is closed ? 2.0 out of 5 stars It fits my generator, but the choke is incompatible. I have a Champion Power Equipment 6500 gasoline generator. Onan Thermo-electric Chokes. Last edited: Oct 6, 2011. If a motorcycle or ATV only runs with the choke on, it’s because the richer “choke on” mixture is actually closer to the engine’s normal operating fuel mixture than the leaner “choke off” mixture. Oct 28, 2010 ... to move the CHOKE BUTTERFLY, OPEN or CLOSED. … I replaced the fuel pump with an Airtex E8016Sa, low pressure pump. Running on natural gas the choke was working same as on gasoline. Your generator’s exhaust contains poisonous carbon monoxide gas that can collect rapidly in an enclosed area and cause illness or death. CLOSED Leave the choke knob in the OPEN position to restart a warm engine. Dealing with the choke shaft to improve movement is very simple – just spray carburetor cleaner along the shaft to loosen the grit. The effect of this is that the choke can only be fully closed when the throttle is wide open - when the genset starts to run and comes up to speed, the governor will close the throttle which will force the choke to open partway - even though the tab connected to the choke spring may still be calling for full choke. When you are going for startups, make sure the choke lever is set to close. Some generators will have it over the air filter directly above on its side. Page 3: Start Generator Close choke The choke lever is located above the air filter to the right of the recoil start. There are different types of generator that use various positioning for this choke lever. Then the problem slowly returned. Set the throttle control (if any) to the START or HIGH position. It is pulsing.. A choke works by decreasing the amount of air (thus, the oxygen) available in the air/fue mixture, resulting in a more easily ignited (richer) mixture. When I open the choke lever it stops. 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