I am a neewbe on this wheel loader. It weeps oil out of the joy stick spools. I have the parts book and see the "cup seal" and plunger. How do I get to the spools to replace the seal. I took loose the allen head bolts holding the whole unit to the dash but the valve it still attached to the plate. It appears there is a fiber disk under a metal plate which is all loose from the dash. I think if I get the metal plate off, then I will be ok. Do the two disks hold the plunges in the valve or are they held in somehow else. The parts book shows two different lengths of plungers, is there a way to know what to order before getting it apart? I figure I should replace plunger and seal. Or doesn't the plunger wear at the seal area? Thanks for help.
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621B Joy Stick leak
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