[Mini] Knuckle joint cups

Brett Nicholson brett at nicho.id.au
Thu Sep 24 16:57:19 MDT 2020

I hit them with a small blowtorch.  They burn and shrink. Then you can just
pull the remains out with molegrips or pliers.

Clean out the seat thoroughly and add a thin smear of coppaslip before you
fit a new cup to make it easier next time.

Brett Nicholson (bnicho)
Greendale, Victoria, Australia.

On Thu, Sep 24, 2020 at 7:20 PM Richard Porter <ricp at minijem.plus.com>

> On 24 Sep 2020 John Lieberman  wrote:
> > Any down and dirty tricks for removing the Nylon knuckle joint cup from
> > the rear radius arm when the hole into which it fits has rusted
> > internally??
> I grip the protruding edge of the cup in large pliers or a Mole wrench and
> twist it. This makes a gap to get a screwdriver down between the cup and
> hole, and then you can dig the cup out. There's no real substitute for
> brute force and ignorance!
> Richard
> --
> Richard Porter                      http://www.minijem.plus.com/
> t: @westernexplorer                 mailto:ricp at minijem.plus.com
> I don't want a "user experience" - I just want stuff that works.
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