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806 brakes dragging

D

Dave from MN

Well-known Member
Need some advice. The right brake it dragging. Had at a mechanic when I had him replace the clutch, he did a oring kit(?) for the valve body? It still drags, bad, he had said something last fall that it may have a warped plate? He is out of business so bringing it back is out of the equation. I personally dont hink he knew much about the brake system, but then neither do I. So , Any advice? Any one care to walk me thought the steps of making sure it is adjusted correctly? How hard/simple is it? I do not have a shop manual for it. The ol girl needs to be ready for manure hauling in a couple weeks So I need to get to learning.
 
With the engine running loosen the bleeder screw and see if there is oil coming out under pressure with the pedal against the platform. There should be no oil flow. Some oil may dribble out but there should be no flow if you put your finger over the bleed screw. Oil under pressure means either the pedal linkage is out of adjustment or there is a problem with the valve. Seized pins in the pedal linkage can also cause problems.

Problems in the brake assembly may be too much dirt and debris inside the drum. Later tractors have larger holes on the bottom to allow the dirt to get out. You may also find broken or short return springs. If the brakes overheat the springs can lose their temper and not exert enough pressure to release the brakes. Problems with the adjusters tend to be more a matter of keeping the brakes from applying properly.
 
I hope there is no dirt and debris in the drum. Don't the 06 series and up have wet brakes?
 
(quoted from post at 22:08:00 03/20/11) I hope there is no dirt and debris in the drum. Don't the 06 series and up have wet brakes?
Click to expand...

Not intentionally. Wet brakes were first used on the larger tractors when the '86 series came out.
 
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