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Roger.
You are right. One should not put the cups and the o-ring on at the same time.
Either will be destroyed by the type of hydraulic fluid you'll use.
Getting the snap ring back into the grooves is the hardest thing to do when changing the rubber donuts.
We used a hydraulic press that gave us enough pressure to expose the groove. The problem was that there are only 2 little holes left to work the ring after the press is being put on top of the strut.
 
It was hard to do, but impossible without the press.
 
Hartmut
----- Original Message -----
From: Roger
To: Ercoupe Technical Discussion (Moderated)
Sent: Sunday, August 06, 2006 8:39 PM
Subject: [COUPERS-TECH] RE: A note and some questions

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Steve,

            I can only offer my experience with one of your problems. The cup on the shock should slide in easily enough, but if you have the retaining bolt too tight, it will flare the cup out and it will not fit in the cylinder. Also, from what I’ve read in this list, you should not be using both the cup and the o-ring together. The o-ring is not compatible with the Dot3 brake fluid that you should use with the cup. Correct me if I’m wrong, group.

            I do have a MLG problem of my own. After replacing the rubber donuts, I can’t get that snap ring back in the groove in the outer tube. Any one have a suggestion or two?

Roger, 415C, Ser. 3639

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