well others have said it pretty well. it's unusual for a su to have the
piston get stuck in the top part of the carb. it had to sit with water in
the
thing for quite a bit to displace the oil that would usually be in it and
allow
enough time for the piston to corrode enough to sieze itself to both
the brass
bit on the top cap as well as the top part of the carb. if you
get it apart
i'm willing to bet the pieces you extract will be of no use any
longer even
after you clean them up.
while the tolerances between the piston
and top piece as well as the piston or
dampner are rather vauge or loose ,
i'm positive these bits are pretty much a
shop shelf conversation piece
now. i just brought a box of used bits and
pieces of su carbs from my old
shop. to my horror the shop's roof has begun to
leak and i'm fearing seeing
what the mess of parts has turned into. i saw
enough corrosion at a glance
to make me just load the parts into my van for
attention another day. i
might have a good pair of pistons and tops. i need
to look later today or
tomorrow if you are interested.
chuck.
________________________________
From: J Foster <tr3.4.me@gmail.com>
To: Spridget list
<spridgets@autox.team.net>
Sent: Fri, June 24, 2011 9:25:46 PM
Subject:
[Spridgets] SU help needed
I've got a pair of SU's for my 73 Midget that I'm
hoping to rebuild.
I'm not the least bit familiar with SU carbs other than
having browsed
several guides found online about the operation and maintenance
of
them.
I've begun cleaning / disassembling the carbs but the pistons are
stuck in the suction chambers. I've also attempted to unscrew and
remove the
piston dampers from the top of the chambers and, while the
knob on top will
unscrew, the damper will not come out the top either
(it should; shouldn't
it?).
I've tried soaking one of them in a parts cleaner for several days now
with no apparent progress. Any suggestions / recommendations on how
to get
these apart?
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