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JD 720 questions

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Bill

10-03-2000 19:29:16




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Well this is kind of lenghty, sorry. I have a JD 720 wide front end with a pony motor and have a few questions about it. 1)are the tie-rods supposed to be round or square? 2)how many holes are supposed to be in the front wheels? 3) is the pony motor originally wired for a 6 volt system? 4)Where can I locate a grill for the left side (sitting on the tractor)? 5)where is a good place to order a new wiring harness for the tractor? 6)And if when I push the clutch in and out should the clutch and flywheel move side to side on the tractor and if it shouldn't what fixes it and how expensive is it? 7)Should the flywheel cover have a big hole in the side where you can see the center of the flywheel spinning? Thanks for any available information. Sorry so many questions!

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deerejon2000

10-04-2000 06:22:30




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 Re: JD 720 questions in reply to Bill, 10-03-2000 19:29:16  
Questions 6 & 7 may be related, if the hole is in the center of the cover where you can see the crankshaft. The 2 cylinder diesels had problems keeping the flywheel tight. Check to see if only the pulley has end play or if the entire crankshaft is moving side to side. Remove the flywheel cover, engage the clutch (engine not running), and move the clutch lever back and forth without disengaging the clutch. If the entire clutch, crankshaft, and flywheel move back and forth, the pulley is not the problem. If the flywheel is tight on the crankshaft, the problem may be that one of the many 'fixes' have been applied to it and the flywheel is not all the way on the crankshaft, causing the flywheel to hit the cover, hence the hole. If the flywheel isn't tight, you've found you problem. It can get very expensive to fix.

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Duben

10-03-2000 20:39:43




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 Re: JD 720 questions in reply to Bill, 10-03-2000 19:29:16  
Can't answer all your questions, but I might know a couple. I have a 730 and (1)the tie rods are square, (2)not sure what you mean by holes - the wheels are solid and I think there's 6 bolts, (3)the pony is 6 volt, (4&5)look for parts in the Green Magazine, (6)depends how much it moves (someone else will need to answer this one), and (7)there are no holes in the center of the flywheel cover. Hope this helps.

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