[R-390] R-390A Wrenches

[Richard Spargur]

Your are correct youu need a bristol wrench.  The R-390 and R-390A uses the
#8 spline (aka Bristol Spline).  The size I ordered from McMaster-Carr was
the .096 inch.  I use it to align it, remove knobs, but it will not reach
all the gear clamps.  I can manufacture a tool just like the original spline
tool used with the receiver except instead of using an aluminum rod I use a
brass rod.  It lasts longer and is also non-magnetic except for the spline
insert.  Attached is a picture of the one I made for myself.  The cost will
be the cost of the materials, gas, and shipping probably around $8 to $12
each.  Let me know if you want one.  I am not in the business of making
tools and will do it for the fun of it and to keep R-390s and R-390As alive.
I am also happy to tell anyone who wants to know what materials I used,
where I got them, and how I put them together so you can make you own.  I
have attached a picture of the one I made and use personally.  I assume the
list server will delete the picture. If anyone is interested in it email me
directly.  It is the same size and the original tool issued with the early
receiver models.

Message: 4
Date: Wed, 3 Dec 2008 18:27:12 -0700 (GMT-07:00)
From: "Richard W. Solomon" <w1ksz at earthlink.net>
Subject: [R-390] R-390A Wrenches
To: r-390 at mailman.qth.net
Message-ID:
	
<6649067.1228354033237.JavaMail.root at elwamui-huard.atl.sa.earthlink.net>
	
Content-Type: text/plain; charset=UTF-8

Am I correct in the proper wrench to use is a Bristol and not an Allen ??

Can anyone tell me the sizes I should get (McMaster-Carr has a nice
selection).
Also, IIRC, didn't Xcelite make a set of Bristol Wrenches similar to the
Allen Wrench set I have (or am I dreaming again ??).

Tnx, Dick, W1KSZ 


Richard Spargur
K3UI
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