Re: Super A touch control rebuild followup questi

Posted by CNKS on January 13, 2005 at 08:50:52 from (204.249.178.138):

In Reply to: Super A touch control rebuild followup questions posted by scott#2 on January 13, 2005 at 08:04:41:

I appreciate the help you have given me in my previous posts. It's been nearly 3 years since I rebuilt the unit on my C, and since I suffer from CRS, I can't answer all your questions. When I go to the trouble to remove a unit from a tractor, it gets totally disassembled and rebuilt. As you have found, there is more than one version of that block, but the kit has parts for all of them, so there will be parts left over. I would pull both the pistons and the smaller rods below them and replace any o-rings that are on them. If some o-rings were not in your kit, I believe they can be purchased from your dealer or elsewhere, I don't think there is anything special about them. I am currently looking at my parts manual, there is large a o-ring that fits on the piston, I would certainly replace that one. There are also 2 seals that fit on the barrel of the piston, again I don't remember what those look like, they were in the kit. I think they are about an inch in diameter, don't know if those are the ones you mean or not. There is also an o-ring on the lower control rod. I don't think the tan discoloration means much, but I don't remember it on mine. If it is smooth, I would leave it alone, rather than getting it too rough resulting in possible damage. I don't think I used any sealer on the gasket on mine, because I have heard horror stories about silicone and hydraulics. If you use sealer, I would just use the copper spray stuff, and try not to squeeze it into the inside of the unit. Mine does not have bottom cover, only the head comes off. I thought there were torque specs for the bolts, but I can't seem to find them. Hope this helps.

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