Posted by pete 23 on May 16, 2012 at 10:07:52 from (74.32.231.176):
In Reply to: 1456 Hydraulic leaks posted by MaverickM23 on May 16, 2012 at 04:33:40:
There is not that much in the booster to repair the leak. If it works ok, I would just replace the o-rings that seal the ends and probably a new boot. The piston should come all the way back to the snap ring and then the input side of the clutch linkage is set to just take up all slack, no pressure on piston. Then you adjust free travel of clutch on output end. Some one probably tried to set free travel on the input end. On the aux valve (only John Deere's have scv's) it is repairable but a little hard to explain on here. You take the entire spool out of the valve without taking the valve off . Unhook front linkage, unscrew the large nut making sure the pipe comes along. That can be the tricky part if it was installed too tight. Some times you can get a hold of it with a pipe wrench, chain wrench or whatever. Gently pull spool assembly out and after that, well it is kind of hard to walk you through it. A book helps but I have developed my own methods. The leak is almost always from the unlatching piston and there are two different kinds and on the second kind there are two different sizes of pistons. Any IH mechanic should be familiar with those.
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