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Troubleshooting / gears locking up
« on: July 16, 2005, 04:57:40 PM »
My gears have been locking up on my ak lately. It's upgraded to 400 fps and after the gears would stop working I would disassemble the gun but leave the gearbox intact and I could stick a screwdriver into the gears and make them spin. So I figured my motor was the problem. New torque up motor and works good on simi auto but after a few mags on full it will lock up. I know you all will say it's shiming, but I have messed with the shimming quite a bit. So any other Ideas, or mabey a good shimming guide?