KB4 Posted March 2, 2018 Report Share Posted March 2, 2018 Jerry says that Heim Bearing should be lubed with Tri-Flo in the January 2018 MAPA Log. I am trying to figure out which lube is recommended for Flap and Aileron hinges. XPS? I checked the service manual an found no guidance. 1981 M20J Thanks in advance for the replies. Quote Link to comment Share on other sites More sharing options...
jetdriven Posted March 3, 2018 Report Share Posted March 3, 2018 They’re sealed ball bearings I stopped lubricating them. It can’t get in anyways Quote Link to comment Share on other sites More sharing options...
jackn Posted March 3, 2018 Report Share Posted March 3, 2018 LPS 2 Quote Link to comment Share on other sites More sharing options...
MB65E Posted March 3, 2018 Report Share Posted March 3, 2018 This is what I use for all my "light weight" oil applications D-5261NS. It's mil spec that's listed in almost every airframe MM I've ever worked on. Tri-flow is great too if you can't find what spec to use. Like nylon rollers or anything were you'd worry about paterolium wrecking the material, seals etc. https://pilotshq.com/zip-chem-aero-lube-5261ns-cleaner-and-penetrate-12oz-aerosol-002056-p-14893.html -matt Quote Link to comment Share on other sites More sharing options...
KB4 Posted March 3, 2018 Author Report Share Posted March 3, 2018 Thanks for the replies gents, very much appreciated. LPS 2 I have in hanger, so will go with that. Quote Link to comment Share on other sites More sharing options...
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