Sven Posted May 24, 2017 Report Share Posted May 24, 2017 We have an ever-so-slight leak on the right brake. We took them off and cleaned them up and put on new o-rings. My question is does anyone use a thread sealant like Loctite 545 on them? Or do they get installed with no thread sealant? Also, the Mooney Spare Parts Manual says the fitting I need is an AN823-4D which has an outside tube diameter of 1/4" The elbow I removed has an OD of 3/8. Am I measuring this wrong or should I suspect these are not the original brakes? Quote Link to comment Share on other sites More sharing options...
Guest Posted May 24, 2017 Report Share Posted May 24, 2017 Sealube or Loctite 569 sealant for the pipe threads. The fitting looks correct, 1/8" NPT on one end, 7/16" NF thread on the other for a 1/4" OD hose fitting which normally takes a 9/16" wrench. Clarence Quote Link to comment Share on other sites More sharing options...
Andy95W Posted May 24, 2017 Report Share Posted May 24, 2017 Weirdest Mooney landing gear I've ever seen. Quote Link to comment Share on other sites More sharing options...
RobertGary1 Posted May 24, 2017 Report Share Posted May 24, 2017 2 hours ago, GEE-BEE said: No sealant needed We include all new fittings with the hoses kits for the brakes because of this reason, new hoses , new fitttings Do you replace on condition or time? -Robert Quote Link to comment Share on other sites More sharing options...
Guest Posted May 24, 2017 Report Share Posted May 24, 2017 2 hours ago, GEE-BEE said: No sealant needed We include all new fittings with the hoses kits for the brakes because of this reason, new hoses , new fitttings Beech shown, we only sell Teflon assys GB No sealant required because that fitting uses an "O" ring and straight threads instead of tapered pipe threads. Clarence Quote Link to comment Share on other sites More sharing options...
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