I'm converting a pretty rusty old Fuji Absolute into a fixed gear and I wanted to swap the crank or at least get rid of the larger chainring. I managed to pop off both dust caps and remove the nut on each crank arm with a socket wrench but then I had a lot of trouble removing the crankarms from the BB. I managed to get the left one off after riding around nutless for a while; however, I can't seem to remove the right crank arm no matter how hard I try. Would it be worth getting a crank puller to remove the right side and finally take apart the chainrings? Or is there another method I can use to get it off easily? Thanks!
2003 Specialized Hardrock, 2004 LOOK KG386i, 2005 Iron Horse Warrior Expert, 2009 Pedal Force CX1
Please don't work on any other bikes until you know the proper tools for the job. The proper tools are almost always worth the (relatively, compared to say automotive tools) small cost.
A crank puller has a main piece that threads into the crank arm itself. The main piece is tapped and a forcing screw is threaded into it. The forcing screw pushes against the bottom bracket as it's screwed into the main piece. Since the main piece is attached (by the threads) to the crank arm, the arm is forced off the spindle.
Your method of removing a crank arm will likely have damaged it to the point where it's either already useless or will shortly be.
are you planning on reusing the crank arms? I hope not, because riding around to loosen them has almost definitely damaged them (the left one at least). Buy a crank puller, it's only like ten bucks and you'll save yourself that ten dollars many times over each time you use it instead of going to a shop.