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806 brakes

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Author  [Modern View]

04-22-2018 12:53:01

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I bought a 806 row crop a month ago and have been getting things sealed up and in working order . The problem I am having is with the right brake ,it was stuck when I bought it so I took it apart and the wheel turned so I loaded it and took it home now I need it back working and when I put it together it wont turn loosen bolts and it frees up , I need help.

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caterpillar guy

04-22-2018 17:42:37

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 Re: 806 brakes in reply to kub6040, 04-22-2018 12:53:01  
There is a small screw/bolt that you can loosen to get the adjuster to turn then tighten the screw/bolt back up. Don't twist it off or you will have to drill it out and start over. Check all components for wear. Balls round excessive grooving wear in plates and such.

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04-22-2018 16:56:16

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 Re: 806 brakes in reply to kub6040, 04-22-2018 12:53:01  
Make your springs are good and make sure that adjusters are free they are left handed threads make sure or adjusters touches the head of the head of the adjuster bolt

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pete 23

04-22-2018 14:42:06

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 Re: 806 brakes in reply to kub6040, 04-22-2018 12:53:01  
Did you back off the self adjusters and are they working correctly.

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04-22-2018 15:07:41

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 Re: 806 brakes in reply to pete 23, 04-22-2018 14:42:06  
I don't know how to back them off.

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pete 23

04-22-2018 18:24:46

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 Re: 806 brakes in reply to kub6040, 04-22-2018 15:07:41  
The self adjuster has a small spring that contact the grooves in the head of the adjuster . You lift that spring and then turn the adjuster . Really, just take out the little screw that holds the adjuster in place. Then remove the adjuster. It may be stuck or may be free but don't ruin the head as new ones cost as much as the tractor, well almost. Make sure it screws in nice and free both ways, then screw it all the way in. Install the little spring. It has to allow that adjuster to turn only one direction and hold it from turning back. It may take some tinkering as it can move slightly in the screw holding it.

Those heavy springs, four of them , are what push the brake back releasing it so they have to be I good shape. As the brake is applied the head of those adjuster hit the boss inside and turn that adjuster. The other end of adjuster will limit how far it goes to maintain some clearance between discs when released. Not exactly the way everything works but you should get the idea.

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04-22-2018 19:50:32

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 Re: 806 brakes in reply to pete 23, 04-22-2018 18:24:46  
thanks pete23 , would anyone have a picture of this adjuster ?

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The tractor vet

04-23-2018 05:52:55

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 Re: 806 brakes in reply to kub6040, 04-22-2018 19:50:32  
Get yourself and I T manual and READ IT . Also on many of those the return springs are shot / rusted / packed with brake dust and rust , also if one adjuster is out more then the other you brake piston may be cocked and stuck .

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