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Last Update: 2009-05-02
In order to repair a lawn mower, narrow down the problem to a specific part of the machine, such as the muffler, carburetor or transmission, and troubleshoot from there. Is the carburetor working properly? Is the blade loose? Find out what causes... View Video Transcript
I'm Bill Elzey, with Showplace Lawns. Let's talk about how to repair a lawnmower. Well, there's all kinds of things that can happen to these things, and you never know what it's going to be. They may run forever and then they may never run cause' there's always a problem. So, the best thing to do is to be able to identify the various parts of the machine, and try to more or less read what's happening based on the knowledge of the parts, okay? For instance, on this side right here is the muffler. In the front, and on some engines it's in the back is your spark plug and your plug wire. Your air filter is right here. The carburetor, and yes, lawnmowers still have carburetors is right here, and this is the carburetor bowl. There's a a a nut in the bottom of that that you can loosen to drain the carburetor bowl. Sometimes, old gas or things will set up in there, and by draining the carburetor and draining your fuel line and running some clean stuff through there or a flush material, and running it all the way through and draining it out; sometimes that is a repair that is needed. Of course, you got your gas tank. Your oil line goes on the one side. And back here on this particular model and up here we have what mounts to be the transmission as this is a self-propelled machine. The transmission has a belt over here on this side, and a belt over here. Hopefully, by understanding these parts if it's not running right, or making a noise, or not cutting with knowing what is where you can troubleshoot it and find out what is wrong. Another thing to be very careful with on the underside is the blade. Make sure that blade is tight, and that is something you should check every time you use the machine. Now, we haven't discussed the internal engine where the piston, and the cylinder, and the valves and other mater, other parts are. My suggestion is if it's an internal engine problem let your mechanic take care of it. Other things that are simple to reach and get to can be maintained and fixed by you. So, hopefully you won't have any problems, and in my opinion, the best way to avoid problems is to get a really good machine. You may pay for it up front, but it will last you for a long many years, and over the time it will be a well spent, it will be well spent money. These are the basics in what to look for, and how to repair a lawnmower.