Mailing List flyrotary@lancaironline.net Message #28845
From: Bartrim, Todd <Steve.Bartrim@canfor.com>
Subject: Hose installation tips
Date: Thu, 29 Dec 2005 12:26:30 -0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message
Hi Tracey;
    This tool makes installation very simple. I can't find any online prices, but I don't think they're very expensive.
 
I usually put a little spit on the fitting, but never any oil. Without this tool, they can still be easily installed with a vice. If you are using a swivel fitting (nut on the fitting) then thread this onto the mating fitting and clamp this in the vice. The best way is to place yourself on opposite side of vice from hose, both hands on last 6" of hose and pull the hose onto the fitting. They should go on with little effort. There should be a small yellow plastic collar on the fitting, which the hose should be seated against. This is there mostly just to dress up the ends, but I also use this as a guide to know that the hose is fully seated as you shouldn't be able to spin this freely with the hose properly seated against it. However this probably isn't that crucial, as I often see other instrument mechanics who are to lazy to go get the proper tool and only put in a half-hearted effort to seat the hose using the vice method resulting in a "good enough" hose with a visible gap between the hose end and the collar and yet I've never seen one of these fail. So it seems that there is a large safety margin.
 
 
BTW, there is a press type tool for doing these hoses, and I presume it's expensive, unless you can "borrow" (perhaps not the most accurate term <g>)  one from work :-) 
 
Hey, it was an old one, I just repaired it and gave it a new lease on life.
 
(Garmin 396 sitting on the floor next to me) 
 
You can afford to spend a gazillion dollars on a Lyc AND a 396??
 
 
Todd     (will trade hose tool for 396)
 
 
 
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