Shibaura ST330, Workshop Manual

Page: 147 / 250

137
(7) Tooth contact of drive pinion and ring gear
When visual inspection is difficult, coat 6 or 7 teeth of
the ring gear with a very small quantity of red lead
diluted with oil before disassembly, turn the drive
pinion and judge the proprietary of the tooth contact
from the red lead condition attached to the ring gear
teeth.
a. Heel contact
Select shims so that the drive pinion is brought near the
ring gear.
437-9Y
c. Face contact
Select shims so that the ring gear is brought near the
drive pinion.
437-11Y
437-8Y
b. Toe contact
Select shims so that the drive pinion is put farther from
the ring gear.
437-10Y
d. Flank contact
Select shims so that the ring gear is put farther from the
drive pinion.
437-12Y