Deere 830 brake problem?

/ Deere 830 brake problem? #1  

paulinkansas

Member
Joined
Nov 5, 2009
Messages
33
Location
Kansas
It's a 3 cylinder diesel with power steering and power brakes. Power steering and the 3 point lift both work fine, but the power brakes have a problem.

Both pedals press all the way down, and they do no come back up. Each pedal pushes on a little piston on the brake valve under the right footrest. The pistons are supposed to push back out and push the pedals back up, but they don't. I opened up the bleed valve on the axle and pressed the piston down further, no hydraulice fluid came out the bleed valve, and the pistond did not return. I opened up the top of the brake valve and there was hydraulic fluid in it. I removed one of the brake lines, and there was fluid in there too. What should I look for next, and what could be the problem?
 
/ Deere 830 brake problem? #2  
Sounds like the master cylinder is shot out

The pistons are stuck or by passing or if it has internal return springs
they are not working or could be broke.

You will probably have to kit it...Rebuild it
 

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