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Old 07-19-2017, 05:29 PM
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john491
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I have a UP-3 which has air leaking from both ends of the shuttle when it is any where near the travel limits. It will need new O-rings I think. Would anyone know the o-ring required or where I can purchase them? I have searched and not found the answer.
John
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Old 07-19-2017, 06:17 PM
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John, mine is doing the exact same thing. Was working great one moment and now hemorrhages air. Weird. Please let us know what you find.
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Old 07-19-2017, 06:27 PM
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Do not use o-ring lube !!! Use only Corning 55 on UP valves.. If has problems, send it back to UP in Canada, they will repair and return at no charge..

Dan
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Old 07-20-2017, 02:59 AM
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Good advice Dan. Better to have the pro's fix their own unit.
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Old 07-20-2017, 02:09 PM
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Originally Posted by rcjetsaok View Post
Do not use o-ring lube !!! Use only Corning 55 on UP valves.. If has problems, send it back to UP in Canada, they will repair and return at no charge..

Dan
I have no idea if true or not so I'm only repeating this to possibly save someone some grief but I heard over the weekend that UP is no longer in business ?????? If someone know otherwise please correct me but just in case I'm correct it may be wise to contact them before sending anything to be sure it doesn't fall into a black hole.. Hopefully I'm wrong about this as I'd hate to see more good stuff become unavailable..
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Old 07-20-2017, 02:16 PM
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U.P. was bought out in Nov. of 2015... These are the folks here... They're website is up as you caan see... Give them a call...

Dan

We design, manufacture and sell high quality, precision parts and accessories for R/C model airplanes, electrodynamics, kits, landing gear retracts in Rosenfeld, Manitoba, Canada • Model Aviation Products
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Old 07-20-2017, 02:38 PM
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It turns out, after reading the instructions I found for a UP-6, that they request the unit be returned to the manufacturer for repairs. The bottom line in bold print says " Do not disassemble the valve.", but then says to only lube with Dow Corning #55.
I think I will err on the side of caution and attempt to have the manufacturer effect the repair.
John
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Old 07-21-2017, 11:06 AM
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Ultra precision was a stand-alone company. It is now part of MAP in Canada: Ultra Precision Products € Model Aviation Products

(oops .. repeat .. sorry!)

Dave
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Old 07-21-2017, 02:32 PM
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And the new owners service is very quick and efficient-just had 3 of my valves serviced. Quick and easy.
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