Greetings: With out the proper tool, the only other way I know of to set the heel & toe is, grind a hole in the outer circumference of the drum, near the contact surface of the drum which would accept a feeler gauge. At that point, it is trial & error, turning the excentric bolt & adjustment cam, checking for the specified heel & toe clearance frequently with the feeler gauge. Jim (Never underestimate the intelligence of a shade tree mechanic. :)