If when comparing the contact markings they appear similar to the illustrations below the
corrective action indicated is required.
Pinion Too Far Out of Mesh
Convex Flank
Contact markings closer to toe and tip than factory markings
Concave Flank
Contact markings closer to heel and tip than factory markings.
Remedy:-
175 series Re-check and increase shims behind head of pinion.
200 series Re-check and increase shims behind head of pinion.
210 series Re-check and increase shims behind head of pinion.
220 series Re-check and increase shims behind head of pinion.
360 series Re-check and increase shims behind pinion front bearing cone.
410 series Re-check and decrease shims between pinion cartridge and axle case.