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Brake Drum|Testing and Inspection > < Brakes - Rotor/Drum Refinishing Labor Operations|Page 12427
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Brake Drum: Specifications

Brake Drum Discard Diameter .................................................................................................................................................................  231.0 mm 9.094 in
Brake Drum Diameter - New ............................................................................................................................  230.125 mm ± 0.125 mm 9.06 in ± 0.005 in
Brake Drum Maximum Allowable Radial Runout ...................................................................................................................................  0.104 mm 0.004 in
Brake Drum Maximum Allowable Scoring ..................................................................................................................................................  1.5 mm 0.059 in
Brake Drum Maximum Diameter After Refinish ...................................................................................................................................  230.50 mm 9.075 in
Brake Shoe Lining-to-Drum Clearance ....................................................................................................................................................  0.635 mm 0.025 in
 

Brake Drum|Testing and Inspection > < Brakes - Rotor/Drum Refinishing Labor Operations|Page 12427