Rear Drum: Inspection

Check drum for excessive diameter, radial runout and lateral runout. Diameter of new drum is 9.055" (230.00 mm). Wear limit of drum diameter is 9.094" (231.00 mm) while maximum diameter after machining is 9.075" (230.50 mm).
Maximum radial runout at lining surface is .004" (.10 mm). Maximum lateral runout at wheel contact surface is .008" (.20 mm). Clean bearings and races. Check for pitting or discoloration. Replace bearings as necessary.