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Brakes on JD H

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green in Indian

04-12-2003 20:18:16




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Just bought a JD H and even if I really stand on the brakes it barely stops the tractor. Any ideas? Could there be a leak from the rear end on to the brake pads or drums? What should I look for? Thanks **God Bless The USA**




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Joe M in Tex

04-13-2003 20:08:54




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 Re: Brakes on JD H in reply to green in Indiana, 04-12-2003 20:18:16  
Really don't feel that I should be giving any one advice but finished what I thought was going to be a career in unsticking JDH brake peddles. Thanks to several kind folk with good advice and encourageing info, inc. photo and drawings --that problem is behind me. Do have a couple of suggestions not mentioned here at this time. I took a 4 ft. piece of pretty heavy channel and bolted it to the bottom of the drawbar. This is to block the whole works up when you remove the wheels and axle. Its a whole lot safer. The other suggestion ---I built a small ( about 3'x3') platform just high enough to let the axle rest on it. I was alone and this saves a lot of lifting. Good luck and God Bless. Joe M

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Clooney

04-13-2003 05:04:53




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 Re: Brakes on JD H in reply to green in Indiana, 04-12-2003 20:18:16  
Green in Indiana, that's the usual condition of "H" brakes when the tractor is brought home.
~Those brakes aren't the greatest design as they have no gear reduction & run at wheel speed with a small drum & large wheel to stop, so even when they are right they hardly lock the wheel up. They will work acceptably when they are set up correctly though.
~The number one reason those "H" brakes don't work is GEAR OIL ON THEM due to a leaking inner axle oil seal.
~In any case the axle housings will have to come off to find the problem.
~I sent you some pictures of the "H" brake drum inside the axle housing.

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green in Indian

04-13-2003 09:47:36




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 Re: Re: Brakes on JD H in reply to Clooney , 04-13-2003 05:04:53  
Clooney, Thanks for the pics, they will help with the impending teardown. I'll let you know if I need other pics. Thanks again green



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leon

04-13-2003 04:38:16




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 Re: Brakes on JD H in reply to green in Indiana, 04-12-2003 20:18:16  
Could be leaky seal and oily shoes, but have you adjusted them? Accoring to the owner's manual, "To tighten brakes, use 6-inch wrench and tighten adjusting screw down snug. Back off 5 notches. This should permit about 2 3/4 to 3 1/2-inch pedal travel before brake contacts drum." The adjusting screw is in the brake/axle hpousing, sticking out parallel to the axle and has a long, maybe 1 inch, hex head. H brakes aren't the greatest in the workd, but when working properly they sure are a lot better than you describe. Good luck.

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green in Indiana

04-13-2003 09:26:43




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 Re: Re: Brakes on JD H in reply to leon, 04-13-2003 04:38:16  
leon, thanks for getting back to me. I have tried to adjust the brakes, but seems to make little difference. Sounds like a leaking seal. Also, could you tell me is it possible, or more correct, likely that I could find out if the tractor was built as a HN or was it likely converted. Thanks again green



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leon

04-13-2003 13:08:45




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 Re: Re: Re: Brakes on JD H in reply to green in Indiana, 04-13-2003 09:26:43  
Yes, you could have the Two Cylinder Magazine or the JD archives do a serial number search for you. It will tell when it shipped from the factory, what equipment was on it when it left the factory and maybe even to what dealer it was shipped. Both services charge in the neighbor hood of ten bucks or so to do the search. Perhaps it will help to know that serial mumber 11142 was the first HN.



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