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Pilot Seat Armrest


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Does anyone have pictures of how the pilot seat armrest stops work?

My 1986 252, the armrest failed, so it will drop all the way down.  I was going to redo my interior, so left it for them.  The shop did not repair the original setup.  So I would like to find pictures to see what it will take to fix.

If it helps, these are the articulated seats.  Adjustable for back rest angle and height.

 

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No pics.  It's two round plates, one with a pin, the other with a machined arc slot.  The pin rides in the slot to stop the arm at each end. One of the plates has a stud welded in the center.  The armrest is bolted to the plate.

The problem with mine was the threaded stud broke at the plate.  I had a shop weld a new stud in and it was good to go.  

If you remove the cover at the side of the armrest closest to the co-pilots seat, you can access the bolt.  Once you remove the bolt, it should be obvious what the issue is.

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take seat out, take backrest off, take armrest off, roll backrest cover up from bottom just far enough so you can access armrest mount and things will reveal themselves. In my airplane one of the welded rivnuts that go through the backrest frame was damaged, drilled it out and replaced it.

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I used JB weld to reset my pin that broke. That solved the issue for about 2 years. It broke again a couple months back so I’ll probably just do that again and hope it holds for another 2 or more years.

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if memory serves me right part 11 has the long pins and also the slot, you can take the armrest off by removing the nut from the pivot pin of part 11, that will already tell you something, once you have it apart you will see that it is quite simple, quite capable to support an arm, but not a person's body weight

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