Measure the Tumbler Tread Depth Wear and the ear on the Drive Lug/Claw
Tumbler Tread Depth – Ruler
Measure the thickness of the Tread Depth using a bar passing though the top of the Tear Drop, and measuring to the top of the surface of the Tread Path.
Tumbler Tooth Dimension – Forward and Reverse Measurement – Ruler and Pattern
Forward – Using the Template or Pattern, place pattern over the Tumbler Tooth and then at the point marked on the pattern, 45 mm below the upper surface, measure with a ruler the gap between the Patter and the Tooth surface.
Reverse – Using the Template or Pattern, place pattern over the Tumbler Tooth and then at the point marked on the pattern, 45 mm below the upper surface, measure with a ruler the gap between the Patter and the Tooth surface.