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A place where restoration project-type threads can go to avoid falling off the main page in the WIX hangar. Feel free to start threads on Restoration projects and/or warbird maintenance here. Named in memoriam for Gary Austin, a good friend of the site and known as RetroAviation here. He will be sorely missed.
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T-6 Main Strut Rebuild

Sun Aug 23, 2015 6:58 am

I don't have access to any manuals here - is there a procedure in any of the T-6 pubs detailing the rebuild of a main gear strut?

Any nice-to-know tips not covered in the book?


Re: T-6 Main Strut Rebuild

Sun Aug 23, 2015 8:50 am

It's a straight forward repack. If you have access to Parker O-Lube use it mixed with some hydraulic fluid to coat everything. Be careful not to fold the edge of the chevron seals when installing them. Polish any nicks on the chrome strut before reassembling.

Re: T-6 Main Strut Rebuild

Sun Aug 23, 2015 12:43 pm

Make doubly sure you depressurize it before trying to disassemble it. Same thing with split wheels. There have been numerous people hurt or killed because they didn't take the few seconds to make sure all the pressure had been released first. I've had to remind a few folks at work, that a number of our systems are still pressurized even with the jet shut down.

Re: T-6 Main Strut Rebuild

Mon Aug 24, 2015 8:25 am

The easiest way to do the struts is to remove the lower leg and put the seals onto the chrome cylinder and slide into place. I use a expanding automotive piston ring compressor over the seals to get them past the threads on the upper strut housing, and a couple of pieces of large PVC pipe to push the seals into place. One piece is a PVC coupling with the ring in the center removed, it should be as close to the strut diameter as possible, the other is a adaptor that is the same size as the strut on one side, and as large as possible on the other to act as a pusher.
something like this for the compressor, you want as long a reach as possible into the strut

something like this for the pusher

Re: T-6 Main Strut Rebuild

Wed Aug 26, 2015 6:29 am

Mods, my apologies, if you'd please move this to the T-6/SNJ thread.
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