Brake Drum
Drum Runout and Diameter| Maximum Variation | 0.002 Inch (in) |
| Maximum Runout Measure the drum runout and diameter with an accurate gauge. | 0.006 Inch (in) |
| Maximum Single Cut For best results in eliminating the irregularities that cause brake roughness and surge, the amount of material removed during a single cut should be limited to this value. | 0.005 Inch (in) |
| Final Cut | 0.001 Inch (in) |