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#1
06-18-2009, 04:38 PM
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Why you should decarbonize
Carbon in the combustion chamber is not like charcoal. It is not flaky. It's more like slag from a coal furnace. It's hard and can almost look like bronze. Here is a piston that for all intense and purpose's would be just fine if carbon had not gotten it. The cylinder wall is as clean as a baby's bottom. The exhaust valve could probably still be used. But it too had carbon build up keeping it from seating.
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#2
06-18-2009, 10:56 PM
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Hey RPalmer, how often do you think we should check on that???
On the 70 the carbon was nasty,and took a good long time to get off/clean and was a pain!! On the 123 the head was prety clean,havent checked on the O yet!! Thanks for the help Jason
__________________
Jason Davis :biggrin2.gif: Just one more !! 
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#3
06-19-2009, 06:16 AM
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The service manual says every 500 hours with unleaded fuel. For me that would work out to be something like 1 hr/wk x 52 wks/yr =52 hours a year or about every 10 years. But I think I'm going to start popping heads on every tractor I get.
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#4
06-19-2009, 06:36 AM
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how?
What's the best way to clean the head? Good ol American elbow grease?
Chris
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#5
06-19-2009, 07:56 AM
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Quote:
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#6
06-19-2009, 08:47 AM
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I did not take any pictures.. hands full of crud and cough up in the moment, but there was a wall of build up that went from the bock to almost the top of the inside of the head that was keeping the exhaust from flowing out. So it was a nice surprise to find that that was basically the smoking problem.
I had a couple of other nice surprises also. This tractor looks ruff. (album #2 100). I got out the garden hose to try and blast off some of the dirt, grease and grass before working on it. I found brand new clutch parts, and a new steering column. This might work out better than I planned.
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