Question about Toro Lawn Mower With Toro Power Tools
My toro 421 snow thrower doesn't stay running, throttle at high makes it stall. it did run for 15 min when i changed primer line.
Try taking off the fuel bowl and check for debris or ice in it.If there is hardly any fuel in it you may have a plugged or pinched fuel line,try blowing back through it[might get a littl gas in your mouth],turn off the fuel and remove the line at the carb and the tank.If niether of these pick up a new spark plug and try that.
Posted on Dec 07, 2009
thank you for the reply. with the belt drive take a ruler and push the belt down you can use your finger as a referance point if you can push it past the half inch mark the belt needs to be tightend you can do that by adjusting the belt tensioner thats done by losening the bolt that holds it in place then moving it so there is no more then half an inch of play in the belt and retightning the bolt. and if the tensioner is at its stops then the belt needs replacement.
Posted on Dec 21, 2009
The new primer bulb should have come with a plastic retaining ring. If you have the new ring then pull the old ring and primer bulb out with long nose pliers.
Then you insert the new rubber bulb until the outer part of the bulb face mates with the carb face. Then install the ring press both pieces into place until it is just below flush.
(If the new bulb did not come with a new plastic ring... you are going to have to ever so gently coax the old ring out with your fingers crossed hoping it does not break.) I have personally broken more than 50% of the old rings... trying to get them out.
Thanks for using FixYa.
Posted on Apr 22, 2010
SOURCE: when i tip my toro
The primer bulb is replaceable (it is held in place with a ring with small tabs around it, behind the bulb). The carburetor's bowl may be loose and the bowl nut need to be tightened or the bowl nut (called that, but it is actually a small brass bolt) has an exterior washer that needs to be replaced. Another thing that may be causing your problem is the carburetor bowl-to-body gasket may be leaking and finally, the needle valve may not be completely shutting off the fuel going into the carburetor bowl. All of these parts are replaceable and the carburetor can be fixed to where it will not leak. The key is to determine exactly what carburetor the machine has. The manufacturer and model of the the engine and the year made are key here.
Posted on Dec 13, 2010
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