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does anyone have pics of cylinder heads. Actually the seals and spacer. whats on top the spacer or seal? Does anyone have pics?Sorry for this topic again guys
 

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FYI - the "spacer" is actually called a back-up ring. It always goes on the low-pressure side of the o-ring. It's purpose is to prevent the o-ring from extruding out of it's groove when a load is applied, ie, hitting a switch, or just driving around.
The reason I'm telling you is because when you actually know the purpose of a piece of equipment or part, you never forget or have to question how it's installed.

The other thing you may want to check out is to get rid of the o-rings and back up rings and have your cylinders fitted with u-cup rings. They're a little harder than regular PTFE o-rings and have a double seal. So on a regular cylinder, it's like being protected by 4 o-rings in each cylinder. Or for the comp cyl's in the second pic, it's like having 6 o-rings.



Last edited by BOUNCIN89MERC2LOW97LHS at Sep 30 2003, 07:50 AM
 

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Originally posted by viznic@Sep 30 2003, 07:58 AM
http://www.ichibanhydraulics.com/dia1.html
I like some of the stuff on Ichiban's site and will always remain one of their cheerleaders, but FYI...

* Don't grip your shaft with vise grips like that. Technically it won't hurt because that end doesn't go into the cylinder casing, but it's just bad form. Screw an old bolt into the end of the shaft and grip the bolt.

* It's also better to NOT pry the o-ring out with a regular screw driver. You don't want to take the chance of knicking any part of that groove. A better way to get the o-ring off is to grip it with some needle-nose pliers and stretch it off, or use a razor blade and just slice it and take it off. Of course the best way is with an o-ring removal tool, but how many of us actually have one of those. :)

And make sure you clean everything up a little before you put it back together. You don't want to take the chance of getting any dirt in there if you can help it.



Last edited by BOUNCIN89MERC2LOW97LHS at Sep 30 2003, 05:39 PM
 
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