I just use some chisels that I ground to the right width on a bench
grinder. The chisel works as a wedge between the head and the tabs on
the cyls. I tap it in with a hammer. You do need to closely watch what
you are doing so that the chisel doesn't damage the head surface.

Mark

Tom Carchrae wrote:
> Yes - I'm still looking for the tool.....  my lady of the lake picked up
> the smallest tipped wrecking bar she could find when she was in the city -
> but alas, it is still about 1cm too wide.
>
> I did think I might have some luck if I get anything of reasonable strength
> between the tab - then I can use the bar on it.
>
>