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AWD SYSTEM
(W2G1) 3-4
TOOTH CONTACT PATTERN
Condition
Contact pattern
Adjustment
Correct tooth contact.
Tooth contact pattern slightly shifted towards
toe under no load rotation .
(When loaded, contact pattern moves toward
heel )
/
.
Face contact
Backlash is too large .
This may cause noise and chipping at tooth
Increase thickness of drive pinion height
adjusting washer in order to bring drive pin-
ends.
ion closer to drive gear center.
Flank contact
Backlash is too small .
//
This may cause noise and stepped wear on
Reduce thickness of drive pinion height ad-
justing washer in order to move drive pinion
surfaces.
away from drive gear .
Toe contact
u
Contact area is small .
This may cause chipping at toe ends .
Adjust as for flank contact.
Heel contact
Contact area is small .
This may cause chipping at heel ends .
Adjust as for face contact .
i8- 0v
B3-190
31
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Troubleshooting
