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Oil problems, 1936 JD B

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johnnywbruce

10-12-2001 18:01:18




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Clooney - thanks for the suggestions - I ran the B slow and fast, still no oil to the rocker arm assembly - How can I tell if the governer is getting oil up to it - I do have oil pressure




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whwend

10-17-2001 14:56:32




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 Re: oil problems, 1936 JD B in reply to johnnywbruce, 10-12-2001 18:01:18  
A common reason is that the tube is stopped up...but one mistake that I made was installing a new tube that raised as it went t'ward the valve cover! Sounds stupid.... but I forgot that it was gravity flow. Live'n learn.



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Clooney

10-12-2001 19:52:03




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 Re: oil problems, 1936 JD B in reply to johnnywbruce, 10-12-2001 18:01:18  
johnnywbruce, that is a good question. I have watched oil flow to the governor & get thrown around by the fan gear in a few J.D. tractors but that was always through the fan shaft mounting hole on the front of the governor (the fan shaft was out for various reasons & I couldn't resist looking in there & cranking the engine). I'm not real sure how you are going to do that with the governor intact. I'm thinking if it were my tractor & not getting oil to the tappet oil pipe I would pull the L/H cover on the governor (try not to damage the cover gasket(s) as those gaskets are also shims to control the fan gear backlash) & look inside to see if there is oil laying in the oil trough that leads to that oil pipe. It probably wouldn't hurt to actually squirt some oil into that trough to see if it can enter the pipe & run forward. The engine shouldn't be turned over with that cover removed as fan gear damage could result & the governor to cam timing could move. I'm not sure on a 36 if it still has the oil pressure adjusting screw on the governor, if it does you might try to open it more to let more oil through (mark it first so you can put it back if it doesn't help). I suppose you could pull the crankcase cover & see if there is oil running from the governor cavity while the engine is hand cranked, but even if there was it wouldn't tell you why no oil is getting to the tappet oiler tube. Maybe someone else will post with a better idea on how to check for oil flow in an intact governor. When you find the problem please post it as I am real curious now about the reason you don't have oil flow to that pipe.

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Spokerd1

10-13-2001 05:51:27




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 Re: Re: oil problems, 1936 JD B in reply to Clooney, 10-12-2001 19:52:03  
johhnywbruce If you do remove the left cover on the govenor please remove the mag on the right side of the govenor. If not you might miss aligne the slots on the drive coupling and push the mag off of the govenor when reinstalling the left cover. Trust me it has been done before. You might make sure that the tube in the valve cover is not stopped up. I have not seen any other posting on your problem . Clooney is correct, and is always full of great knowledge on these two cylinders, as to running the tractor and checking the oil flow. Remove the tube going to the rocker arm assy. and check for oil flow. The gears carry the oil up to the trough. which fills up and then gravity freeds to the rocker assy.

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Clooney

10-13-2001 06:37:14




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 Re: Re: Re: oil problems, 1936 JD B in reply to Spokerd1, 10-13-2001 05:51:27  
Spokerd1, that's a good point on the mag as those drive lugs on the mag usually aren't engaged very far to begin with. He has already cleaned, checked & sealed that pipe per his post below.



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