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O&N bladder drains


Joe Larussa

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8 hours ago, Joe Larussa said:

Is there a trick to getting these out?

Joe - as Rob mentioned, cut the safety wire and lefty loosey. You will want to replace it with this part: https://www.aircraftspruce.com/catalog/appages/curtisflushmounted_05-04885.php?clickkey=204281

I replaced mine last year. Don't over torque it. You will need to a fuel sealant that doesn't have a hardening agent in it.

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The installation shows the bladder hose clamps to the backside of a metal plate which has a NPT fitting for the valve. . That is riveted to the wing skin.  So you have a valve going into a fitting.  Post a photo.  You really want to be careful here. Because if that fuel drain is simply rubber hose clamp to the bottom of the bladder,  that’s a pretty serious issue

Edited by jetdriven
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46 minutes ago, jetdriven said:

The installation shows the bladder hose clamps to the backside of a metal plate which has a NPT fitting for the valve. . That is riveted to the wing skin.  So you have a valve going into a fitting.  Post a photo.  You really want to be careful here. Because if that fuel drain is simply rubber hose clamp to the bottom of the bladder,  that’s a pretty serious issue

Here's a pic.

IMG_0704.jpg

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