Allen,
The castle nuts should thread smoothly all the way through. Many times the
top segments of the castle nut have been backed off and then beaten to
(incorrectly) try to release the tapered pin portion from its steering arm.
The beating causes the segments to collapse inboard and results in an
interference thread when used again.
If you're going to reuse these castle nuts, run a suitable tap (yours should
be 7/16" NF on the BN2 and later) right down through them to clean up and
reshape the female thread until the castle nut can spin right onto the male
thread. While you're at it run a suitable sized twist drill through the
cotter pin holes in the male threaded portion of the pin, and make sure the
possibly collapsed and mushroomed castle segments are clear to run the
cotter pin too.
A little trick: Note where the cotter pin hole runs through the pin and mark
the location on the end of the pin with a small file so you can line up the
castle segments with this hole to fit the cotter pin.
When installing, make sure the tapered male and female surfaces are clean
and dry. Maintain some pressure on the joint assembly to help hold them
until the pressure of the castle nut locks the tapers together.
Rich
--------------------------------------------------
From: "allen c miller jr" <acmiller@mhcable.com>
Sent: Sunday, April 04, 2010 8:08 AM
To: "Healey List" <healeys@autox.team.net>
Subject: [Healeys] BN2 balljoint crosstube- tight nuts
> Help!
>
> I have two cross tubes, four balljoints, and seven castle nuts, and all
> the
> necessary rubber blouses to make one usable cross tube assembly. The nuts
> are
> all clean, as are the threads on the ball joints. all are from pre-BJ8
> Healeys
> with apparently matching threads. The castle nuts thread down 4 turns
> apiece
> +/- half a turn, but won't go further and tend to turn the ball in the
> joint.
> How do you tighten them without breaking the rubber lubrication blouses?
> It
> appears the nuts were threaded from both sides with a 'waist' just below
> the
> castellations.
>
> all suggestions appreciated
>
> thanks
>
> allen miller bn2/m
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