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O-rings use red aviation hydraulic fluid. Remove the rubber stop pad and jack up aircraft. Let gear fully extend and squirt fluid into fill plug until it is full. If I were rebuilding the gear I would replace the O-rings with the cups and replace the donuts if they needed it or not. The parts are cheap and I don't think you could call your gear rebuild unless it was done. The cups use dot 3 brake fluid. Kevin -----Original Message----- From: McClure, Rich [mailto:[EMAIL PROTECTED] Sent: Monday, October 25, 2004 9:21 AM To: [email protected] Subject: [COUPERS-TECH] Main Landing Gear (strut) ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- I'm in the process of rebuilding my MLG struts. I need the following information. 1. What type of fluid should I use in the struts (I have the original style o-rings)? 2. What's the proper procedure in filling the struts with fluid so I don't over or under-fill them? 3. How can I verify whether the rubber shock pads are good? Is there some MIN-MAX dimension in thickness or ?? 4. OK, what's the trick (or the right tool) to re-install the snap ring on the cylinder that retains the cap (sorry if my terms are not properly named). Thanks for all the help you keep giving us new Ercoupers. Richard (N94004) ========================================================================== == == To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/ ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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