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Garden Tractors Discussion Forum

Re: Help with a Gravely L walk behind

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Author  [Modern View]

11-28-2012 04:49:44

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Check the oil first, if it's low, refill. Check for oil leaks. On several of mine the rear frame for the sulky and oil line have come in contact and worn a hole in the oil line. The oil pump on these is very small and is a low pressure design. If you have a filter, and not all of them do, it could be clogged.
Next check the head fins for dirt/mud and make sure all the air direction baffles are there. I've bought a mess of Gravelys with missing baffles and they don't cool well at all without them. Make sure the fan belt is in good shape and tight enough, it takes a pretty thin wrench to get to the inside nut, but it can be done.
Check the timing. It's not at all unusual for the timing to be off a bit due to wear, vibration, worn points. That can lead to poor performance just as you describe.

Check for carbon build up on the piston/head/valves. That's a low compression engine and a little carbon can make things go wrong pretty quick.

Usually when it starts smoking and dies out, part of that is worn rings and the crankcase/oil fill vent being plugged with dirt. Easy to wash it out.
The Gravely is a fantastic design for the application, but it's an old tractor friend. It may come time for a rebuild if it's wear causing your trouble.
This post was edited by Bret4207 at 04:50:45 11/28/12.

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Lenny Vess

11-28-2012 08:39:16

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 Re: Help with a Gravely L walk behind in reply to Bret4207, 11-28-2012 04:49:44  
Thanks for the advice that I have received. At least I have a starting point to see if I can locate the problem. I probably will not get to it until after Christmas (I have to make Christmas presents) but I will post my results when I find out what it is. Thanks again for the help.

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11-29-2012 04:24:59

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 Re: Help with a Gravely L walk behind in reply to Lenny Vess, 11-28-2012 08:39:16  
There is also a Yahoo Gravely board you can go to for help. I hate, Hate, HATE!!!! Yahoos system, but the info is good.

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