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AC G Brakes

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Dennis of KC

09-04-2003 10:43:07

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Thanks for all of your help on AC G restoration. Now my question is about the brakes. I put new brake linings on the shoes, and I could hardly get the brake drums to slide over the new linings when I re-installed the axles. However, when I adjusted the brake pedals according to the manual, there is no more adjustment left in the adjusters, but the pedals have to be pushed down almost 6" before the brakes start working. What causes this to happen?

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Plant Doctor

09-04-2003 17:06:00

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 Re: AC G Brakes in reply to Dennis of KC, 09-04-2003 10:43:07  
Dennis: I think all the G's were the same. Not only do you need to push the pedal to the ground to get the tractor to slow down, but after a year or two of work, the brakes shoes get worn and then the brake operating lever hits the axle housing because it has to travel too far to activate the shoes. I put hydraulic bakes on one of my G's. I used hydraulic slave cylinders to operate the brake levers. I had to change the right lever to the left side brake and the left to the right brake. That way the slave cylinders could push the operating levers instead of pulling them. It really worked well. I bought the slave cylinders and master cylinders new. It took me a couple of tries to get a master cylinders to match the slave cylinders. The first master cylinder I tried wouldn't move the slave cylinder enough to active the brakes. The second master cylinder worked great. It was just dumb luck that I happened to get the right combination on the second try. I don't have any pictures, but I do have the wagner part numbers for the slave cylinders and master cylinders. First let me tell you that the slave cylinders cost +-$100 each. The master cylinders were also close to the same money. So before you even start you will be spending close to $400 for parts. But it is worth the money and trouble if you intend to use the tractor as a work tractor. If anyone wants to do a conversion to hydraulic brakes, e-mail me for the part numbers.

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Dick L

09-04-2003 11:14:16

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 Re: AC G Brakes in reply to Dennis of KC, 09-04-2003 10:43:07  
I see the same thing on my G. They work fine this way but I am going to run more threads on the rod to give it more adjustment. I have also found that after sitting a few days that the brake bands drag and make a noise when I start to move. I push the brake pedal down and ride the brake for a few feet and the noise goes away.

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