Rob Posted April 29, 2008 Share Posted April 29, 2008 Tonight I installed a new valve for the tractor brakes. It is the one with the blue round mushroom shaped handle on the right. It is also for tractor brakes only. The old valve did not pop out when the yellow brake release handle was pulled out and the new one does. To release the brakes on the tractor, you now have to first push the yellow knob in, then push the blue knob in. Also the new valve has a spring behind the shaft pushing the valve out when there is no air applied to it. The old one does not. There was really nothing wrong with the operation of the old one but the shaft for the knob was 1/4" in diameter, the new one is 3/8" in diameter. The only replacement knobs I could find were the 3/8" shaft size so I decided to change the valve.Is this normal or do I have something plumbed incorrect?Thanks,Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
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