Plymouth Workshop Manuals
PB 150 V8-318 5.2L VIN T 2-BBL (1983)
Brakes and Traction Control > Drum Brake System > Brake Drum > Component Information > Testing and Inspection > Page 2583
If you install a new pair of shoes with the drums machined at or near "Discard Diameter", within a short time the drums will be too thin
How To Measure
NOTE: For additional information on how to use a drum micrometer see Fundamentals and Basics.
A drum micrometer is used to measure the drum diameter.
The micrometer scale should be initially set to the original (new) thickness of the drum.
The base of the micrometer should be placed in the deepest groove in the drum and held steady while the measuring point is swiveled to find
The base and measuring point should be kept at the same depth in the drum.
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