Ride, Wrench, Swap, Race
Join Date: Jan 2010
Location: Northern California
Posts: 9,194
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
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It sounds then like the screws are both bottomed out downward?
What happens if you back out the screw a quarter-turn, then screw back downward? Does it feel like the screw head is bottoming solidly???
I would be trying to "work" the screws downward, backing off just enough to gain movement, then down again and again.
I can't see any benefit to soaking it if the screws aren't frozen in place and the arms can move. Just make sure there is a bit of oil on the screw's threads above the threaded holes.