boydo Posted July 19, 2013 Share Posted July 19, 2013 the air nozzle will come back and out stroke once but then the gearbox will lock and make a grinding sound. this happens every time i pull the trigger. I cant find anything wrong with the gearbox, the battery is fully charged and i ve adjusted the motor height. What could be wrong? could my motor be done? thanks Link to comment Share on other sites More sharing options...
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