i have used a simple hydrolic jack many times with success
On 20-Nov-10, at 12:45 PM, miguel pacheco wrote:

> By the looks of it, your device must be easier and more efficient, but
> I've had no problems, other than it's size, with using the picker to
> remove and install waterboxers. I'll give it a go next
> time............
> Miguel
>
> He who possesses art and science has religion; he who does not possess
> them, needs religion.
> Johann Wolfgang von Goethe