hazmat
Active Member
hello all i got a single chain gearbox with a 10 tooth sprocket on it now the other gearbox's i have look like a cog wheel on the end of the shaft that you just throw a key in the keyway and your done but with this one it looks threaded and i followed threads with my nail and looked at it looks to be reverse threads but it will not come off i put penetrating oil and still wont come off so i used a blow torch still wont come off any tips