Mazda 323 1988 Workshop Manual page 564

ASSEMBLY / b
foe contact Flank contact
Heel contact
Face contact
Inspection and Adjustment of Tooth Contact
1. Coat both surfaces of 6-8 teeth of the ring gear
uniformly with a thin coating of red lead.
2. While moving the ring gear back and forth by hand,
rotate the drive pinion several times and check the
tooth contact.
3. If the tooth contact is correct, wipe off the red lead.
4. If it is not correct, adjust the pinion height, and then
adiust the backlash.
(I) Toe and flank contact
Replace the spacer with a thinner one, and
move the drive pinion outward.
(2) Heel and face contact
Replace the spacer with a thicker one, and
bring the drive pinion closer in.
7c-57