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Piper shimmy damper problems?

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Piper shimmy dampers cost over $1000 dollars. They were not repairable and the only fix was purchasing a new unit.

The STC for repairing one cost $175 dollars. It works fairly well and seemed to fix the problem.

The work needs to be done by an A&P and a 337 is required to be filed with the FAA which means an IA needs to sign off on the whole thing.

Interesting repair and the only thing I thought that might be a problem is the only rubber seal in the unit.

It seems the fluid (MIL5606) literally leaks out over time leaving the unit limp and useless. This repair is straight forward. I would suggest mixing a little Granville strut seal fluid with the 5606 as this has been known to soften and make old rubber seals useable again. I have used Granville before with great success and saving resealing aircraft stunts which are very costly……

Always something interesting out there to help save us all money…….

FYI
https://www.aircraftdoorseals.com/piper-shimmy-dampener-repair-kit/
 

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