Troubleshooting Tooth Patterns

Question 1

Pattern too close to edge of tooth toe

Answer 1

Move ring gear away from pinion to increase backlash

Question 2

Pattern too far along tooth toward tooth heel

Answer 2

Move ring gear toward pinion to decrease backlash

Question 3

Pattern too close to tooth root

Answer 3

Move pinion away from ring gear (add shims)

Question 4

Pattern too close to tooth tap land

Answer 4

Move pinion toward ring gear
(Remove shims)