I wouldn't try pounding on it by sticking a rod through the hole
you might do even more damage. I agree with the preivous comment about
using air, thats always worked for me when rebuilding mc or wheel cyl.
Your hardware store might have a rubber expansion plug that would fit into
the oil hole. If so remove the wing nut, enlarge the hole enough to fit
some copper tube in it. Use the copper tube as the way to get the air into
the hole. If you could take the valve stem out of an over inflated tire
and put a plastic tube from the valve to the expansion plug this might
give you enough pressure.
...Art
On Fri, 11 Jul 1997, ROBERT G. HOWARD wrote:
> Would soaking it with the kero and the PB blaster, then putting a rod
> into the oil reservoir and tapping the rod help? Have never experienced
> the problem....
> Bob
> On Thu, 10 Jul 1997 18:14:46 -0400 (EDT) Arthur Pfenninger
> <ch155@FreeNet.Buffalo.EDU> writes:
> >
> >a couple of thoughts, check the outside of the SU see if it looks like
> >the
> >po has used a hammer on it. I admit to doing so myself and it always
> >cleared up my problem, until I had to take it appart. I had dented it
> >ever
> >so slightly but just enough to make it stick. If thats not the problem
> >try
> >soaking it in a pot of kerosene. Aproduct that I found great for
> >freeing
> >rusted bolts is called PB blaster. They sell it at automotive stores
> >like
> >NAPA. I used it on manifold bolts and exaust clamps and got the free.
> >It's
> >fairly expensive compared to WD40 so I only use it for the real tough
> >jobs. So far it's always worked. ...Art
> >
> >
> >On Thu, 10 Jul 1997 Trmgafun@aol.com wrote:
> >
> >> Greetings,
> >>
> >> I decided to refurbish a pair of SU carbs that I had on the shelf
> >that I plan
> >> to use for a back up. One of the pistons is stuck. I have cleaned
> >it in
> >> stoddard solvent, then have soaked it real well with WD40 for about
> >a month
> >> but it is still stuck. I'm afraid that if I force it too much, I
> >might
> >> damage it. Any ideas?
> >>
> >> Scott
> >>
> >
> >
>
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