Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
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First make sure to use the right tool. There are different tools, or at least pushers for square taper and splined spindles. Next be sure to remove any washers and check that the pusher part of the tool can press on the spindle unobstructed. With the pusher backed off, thread the tool body fully into the crank arm until it bottoms firmly (partly engaged bodys are prone to stripping out the crank arm threads. Now you're ready to turn the pusher unit, and don't be surprised if it takes a serious amount of torque, as sometimes corrosion binds the arms to the spindle fairly strongly.
If it still won't come off, or you're still concerned about the amount of torque needed, take it to an LBS.
BTW- if all else fails, or the LBS cannot cheaply do the job, stubborn arms can be removed using other means. We can cross that bridge if and when we come to it.
An ounce of diagnosis is worth a pound of cure.
“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin
“One accurate measurement is worth a thousand expert opinions”
- Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance