8441 proxima brake problems

tractor works wonderfully but every now and then when you use the brake pedals they lock up and the tractor brakes stick and you cant move the tractor. I tried rocking back and forth forward and reverse to release them doesn't work but if you let the tractor sit overnight come back the next day it will work perfectly till next time you use the brakes then it will do it again. any ideas would be greatly appreciated

to little play between master sylinder and lincage, back off the lincage a bit. play should be 3 mm or so. if to thight the brake fluid cant Return to reservoir and this will happen. if this dont work its probably the distibutor valve for the front brakes thats seizing up.

Hi,

Had this a few times. Usually corrosion on the slave cylinder. Give it a bit extra free play when adjusting after re-assembly. Back it off 1.25 turns from where the wheel locks..

Mike

do all of the wheels lock up or just one?