Yoke Bearings

[patrolpilot]

Originally Posted by Learjetter

What symptom or indication are y’all seeing that needs yoke bearing replacement as the fix?

With my yoke aft, I can move the control wheel in a pretty good circle. The pilot side is way worse than the pax side which would make sense. I will get a video in the next few days.

I reached up back toward the firewall to the Roller (20), Retainer (21), and Sleeve Assembly (23), and they were rock solid. All the movement is back at the panel in the Bearing (30) and Bracket (29) Assembly. Numbers are references in Maintenance Manual, I wish the Parts Manuals used the same figure numbers!

As a note, there are no Rollers (20), Retainers (21), and Sleeve Assemblies (23), in the Textron parts chain. That's a big deal, there are a lot of Cessna models that use these assemblies.

[kbecker]

I had too much play in the yoke tube and upon inspection noticed that these bearings had lost their plastic coating, thus rubbing metal on metal. The plastic coating is not available as a stand alone item. The bearings from Robair have a more robust plastic coating.

[patrolpilot]

The RobAir bearing caps are Delrin rather than nylon. Delrin has the edge when it comes to wear.

[Learjetter]

Thanks…I’ll double-check the play/grind on the yokes, now that I know what abnormal is!