Cushion clamps at not more than 12" centres for 1/4" line, or upto 16" for 3/8".
Torque for tube nuts is 40 to 65 lb.in. for 1/4" and 75 to 125 for 3/8" (for
5052-0)
Any rigid pipe should have at least one bend in it and the flared ends should
mate
to fittings before the nut is pulled down.
Duncan McF.
On Monday, August 12, 2002 7:09 PM, Brian Rauchfuss - PCD
[SMTP:brauchfu@pcocd2.intel.com]
wrote:
>
>
> The key to avoid work hardening is how you fasten the hose to the
> airframe - and now that I think about it, I am not sure how this is
> done! Adel (sp?) clamps, I think, are commonly used, but this would
> require a number of holes in the tunnel side and or the fuselage
> bottom to bolt to. Also, how frequently does aluminum tubing need to
> be clamped? Every foot?
>
> Brian
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