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Fuel leak
My 125 leaks a little bit of gas every once in a while. The glass bowl is wet and the gas drips onto the coil and then in the plywood floor of my shed. I thought that I fixed it last week when I removed and cleaned the glass bowl, made sure the O ring was seated properly and tightened it all up. It held for a while, but last night I could smell the gas from the shed when I was out in the yard with the dog. I closed the valve last night and I think the leak is stopped. Because the whole assembly was wet with gas it is hard to tell where it is coming from. It might be from where the sediment bowl threads into the tank. Maybe its the shut off valve, the gasket again? This is my only Cub and I've only had it for about 4 1/2 months so I haven't learned all the usual trouble spots yet. Is there one component more likely than the others to fail? I did have the tank, sediment bowl, fuel pipe. and carburetor off a few months ago. Should I have used some kind of sealer or tape on the threads when I put it back together? I know I would need to seal with something that the gas would not eat through.
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The packing on the shutoff valve is probably shot. You can use two very small O-rings if you can find ones that are gas resistant. I have done that in the past, but I can't remember what size O-ring I used. I generally don't use any sort of sealer on the threads and I rarely get leaks. I have used teflon tape in the past, but I am not convinced that it's gas resistant. You can also try replacing the bowl gasket if you didn't do that when you had it apart. Get an OEM Kohler one, as the aftermarket ones swell a lot when exposed to gas.
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I guess that I might find the O rings for the valve at a better hardware store. The gasket should be available through my local CC dealer right?
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Yep, and you can use the parts lookup link in the tech library to find the part number, too.
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Of course I will have to empty the tank before I can work on the valve. Hopefully it won't empty onto the shed floor before I have some time to mess with it.
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Would I buy direct from Kohler or is that something I can get from a CC dealer?
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These parts are good to have more of! Go to search and type "fuel trank repair" .....I know it is misspelled but you may want to check it out. One more thing,...DONT overtighten up the sediment bowl fixture to the tank nipple, you will crack the sodier seal that where the nipple itself is fixed to the tank. I dont believe this last time that I used any thread sealent, have no leaks here!
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BUT We quit using it, as it always to seem to find it's way into spools, valves or solenoids causing to many re dues/downtime. I have used Teflon pipe sealant in a tube with good results. But it is expensive, and has a awful odor |
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Where do I find the parts site? |
Cub Cadet parts sources
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