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50-shaped piece of rust (left brake)

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David H. Ransom

05-13-2002 15:04:53




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The left brake pedal now springs back a little. It doesn't spring back as much as it should, but maybe it will soon. I couldn't get it apart, so I've been spraying WD-40 on it and moving it back and forth a lot. I expect to be putting it back on the tractor one of these days. The right drum came off today. I think I'll try to loosen up the right pedal with it on the tractor.




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Larry W.

05-14-2002 05:08:06




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 Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 15:04:53  
David,

After all that work getting the brake assembly off, it would be a shame to put it back on without having it work properly. Get a bucket of carbuerator cleaner at NAPA, and put the whole thing in it over night. You will find the expense worth the money for a lot of parts that have that old baked on grease and rust combo will just get clean and working from a good soak in solvent. Before the 50 looks like a tractor again, you will have gotten your money's worth out of the carb cleaner. Just my opinion. Larry W.

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Ron Buser

05-13-2002 19:42:14




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 Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 15:04:53  
Hi David, If your 50 is anything like an A, take and loosen the nut on the brake cam. The shaft that the brake pedal is connected to . tap the shaft lightly with the nut on the threads so you don't mushroom the threads, to knock out the shaft. If it comes out, clean it up with emery cloth and use anti seize lube on it when reassembling. If it does'nt come apart, use some heat where the shaft goes through the backing plate. If you get it out and clean it up and lube it with anti seize, you should be able to get the adjustment you need. when I did my model A, I also replaced the springs and wedges that are all hardware inside, and all works like new. your tractor is alot newer than mine so I'm not sure if this is helpful to you or not. Keep going on this tractor, It sounds like you are as fired up as I am working on my own. Also keep using the internet, there are alot of great people to share their knowledge on it!!!!! Regards Ron.

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Woody

05-13-2002 19:03:09




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 Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 15:04:53  
David,
My 620 had a break pedal that would not return. It has a grease fitting that I kept greasing. I kept greasing and working the pedal and eventually it started returning. Grease in the fitting seemed to work better than penetrating oil.
Woody



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David H. Ransom

05-13-2002 19:19:17




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 Re: Re: 50-shaped piece of rust (left brake) in reply to Woody, 05-13-2002 19:03:09  
One of the first things I did was grease the fitting. If it helped, it helped very slowly. I tried spraying WD-40 into the fitting. I don't know how much if any went in. The pedal is springing back a little better now, but still not quite like it should. I think it may be going back on the tractor tomorrow. Then when I'm through with the brakes I guess it will be time to get the PTO unstuck. That may make taking the brakes apart look simple...

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mike

05-13-2002 19:32:57




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 Re: Re: Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 19:19:17  
David; What excactly is the pto doing or not doing and do you have live pto? Is the engagement lever flipped to the right which disengages it. If live pto if the lever on the right side of battery box is down the pto brake is on and you will not be able to turn shaft. Disengage the lever by the gear shift down by the platform,move to the right,then pull up on the lever by battery box right side to engage clutch pack then see if you can turn shaft.

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David H. Ransom

05-13-2002 19:57:18




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 Re: Re: Re: Re: 50-shaped piece of rust (left brake) in reply to mike, 05-13-2002 19:32:57  
I have tried all combinations of the two levers. In case it's unusual, the lever on the seat falls back down when released.



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mike

05-15-2002 19:30:37




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 Re: Re: Re: Re: Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 19:57:18  
The lever should snap into position when pulled up and stay there. You may not be able to get enough travel on the lever from wear or something is broken inside. It would be very unusual for the pto to be frozen unless rusted from a housing full of water. But anything is possible. Also by the looks of the other posts you have a long ways to go before you need a pto. A running engine is top priority but tractor may not be worth saving if the pto is unfixable I had this once on a 50 the bevel gear boss in the trans case that holds the bushing and pto bevel gear was broken out.

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Dan in Pa

05-13-2002 15:24:57




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 Re: 50-shaped piece of rust (left brake) in reply to David H. Ransom, 05-13-2002 15:04:53  
I like pb blaster I think it is the best penetrating oil there is.



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