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JD B overhaul question

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Don

08-21-2001 11:53:06




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This tractor (a 35 B)ran pretty good but I could see that the plugs were fouling a little so I'm going to go on and replace the rings while I'm there and before I start the conmetic stuff. Is there anything else I should replace or really look for while I'm in there? I have adjusted and spec'd out the main bearings (thanks Clooney!) I am not aware of any other problems. I'll check the pistons out for any obvious problems but are there any other real problem areas I should check for?

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Clooney

08-21-2001 15:33:20




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 Re: JD B overhaul question in reply to Don, 08-21-2001 11:53:06  
Don, check for junk & plugging around the oil pump inlet, check all the oil lines for cracking & leaking, look closely at the oil filter stud in the oil filter can & if it is the least bit crooked pull the filter head & check the top of the filter can for being bent (common on J.D.s that have had the oil filter cover overtightened & can really lower the oil pressure when the engine gets hot. The cam bearings should also be checked for pitting, wear & rust. You will be able to check the rod bearings when you pull the pistons. One thing I can make a suggestion on & that is to replace the cylinder to case gasket even if it looks good as long as you are this close with everything apart, I can't tell you how many of those I have seen leak after the tractor is back together & painted (I think they dry out & shrink or the cylinder finally sinks into them with age). If the tractor didn't run great before teardown it wouldn't be a bad time to have the cam re-ground as they tend to wear over the years & cause running problems that are hard to diagnose.

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Will P.

08-21-2001 21:46:49




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 Re: Re: JD B overhaul question in reply to Clooney, 08-21-2001 15:33:20  
Don't forget the pushrod tubes in the head. If you have it that far apart. Replace them.



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Don

08-22-2001 07:51:01




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 Re: Re: Re: JD B overhaul question in reply to Will P., 08-21-2001 21:46:49  
Will, I already have them in hand, but what I have not heard is what kind of "sealer" to use with them. the manual refers to some kind of sealer or adhesive to use but I didn't recognize the term. Thanks



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