From: cuhulin on 13 Jul 2010 22:56 Back in the late 1960's or early 1970's my lawnmower hit a brick and sheared the key.I don't remember exactly how I removed the flywheel, but I got it off.That old lawnmower got so old, the fuel tank started vibrating to pieces.One time I tried patching it up with fiberglass. cuhulin
From: Oren on 14 Jul 2010 00:14 On Tue, 13 Jul 2010 21:27:05 -0500, jim <"sjedgingN0Sp"@m(a)mwt,net> wrote: >> I have an old mower which might have the same problem. > >You don't have to take the flywheel off to determine if the key is >sheared. Just remove the retaining nut and look at the key. If it isn't >sheared no need to take off the flywheel. No but looking at the shear key under the nut will not tell you if the key fractured midway in the crank key way. Some keys don't snap or look obvious. The engine will misfire.
From: Harry K on 14 Jul 2010 00:39 On Jul 13, 9:14 pm, Oren <O...(a)127.0.0.1> wrote: > On Tue, 13 Jul 2010 21:27:05 -0500, jim <"sjedgingN0Sp"@m(a)mwt,net> > wrote: > > >> I have an old mower which might have the same problem. > > >You don't have to take the flywheel off to determine if the key is > >sheared. Just remove the retaining nut and look at the key. If it isn't > >sheared no need to take off the flywheel. > > No but looking at the shear key under the nut will not tell you if the > key fractured midway in the crank key way. > > Some keys don't snap or look obvious. The engine will misfire. Yep, BTDT and have the t-shirt. Took me a full day fooling with it before I finally pulled the flywheel and saw the half-sheared key. Harry K
From: jim on 14 Jul 2010 07:35 Oren wrote: > > On Tue, 13 Jul 2010 21:27:05 -0500, jim <"sjedgingN0Sp"@m(a)mwt,net> > wrote: > > >> I have an old mower which might have the same problem. > > > >You don't have to take the flywheel off to determine if the key is > >sheared. Just remove the retaining nut and look at the key. If it isn't > >sheared no need to take off the flywheel. > > No but looking at the shear key under the nut will not tell you if the > key fractured midway in the crank key way. > > Some keys don't snap or look obvious. The engine will misfire. If you can't tell if the flywheel and shaft keyways are aligned, then maybe a visit to the optometrist will help. I don't even use a key. Just line up the two key slots and tighten the nut. Eliminating the jammed key makes it easier to remove if you hit something, also. -jim
From: cuhulin on 15 Jul 2010 17:07 I was thinking about rigging up a lawnmower ''Trick'' Two of my garden hoses connected together with a leak proof plug between the two hoses and my nozzle on one end of the hose.Put a little bit of gas in there.When my lawnmower runs out of gas, I put the nozzle in the tank and turn on the water faucet.But, only gas goes into my lawnmower when I squeeze the nozzle. Make the neighbors think my lawn mower runs on water. cuhulin
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