Note:
Strike the circumference of the ring gear both sides with a copper hammer by turning the ring gear
manually,and check to see that the backlash remains unchanged.The backlash should be checked at
four points 90 degrees apart to each other.
ⅲ
ⅲⅲ
ⅲ.inspection of the tooth bearing
Apply an even coat of oil-dissolved minimum on the drive pinion teeth and turn the drive pinion on
the ring gear to check the tooth bearing by observing the bearing traces on the ring gear.
Correct Contact When drive pinion and ring gear are meshed correctly
with each other and their backlash is within specified
range,contact is in middle of ring gear tooth and is
approximately 75% of total tooth width.
Tip contact Excessive backlash.Move differential case and shims
from right side to left side.See”Assembly and
installation”.
Root contact Inadequate backlash.Move differential case shims from
left side to right side.See”Assembly and installation”.
Toe contact Too little engagement.Remove some drive pinion support
shims.See Transmission:REAR TRANSMISSION
ASSEMBLY-Setting cone center.
Heel contact Too much engagement.Add some drive pinion support
shims.See TRANSMISSION:”REAR TRANSMISSION
ASSEMBLY-Setting cone center.”
INSTALLATION OF A NEW PAIR OR RING GEAR AND DRIVE PINION
1.use a new pair of ring gear and drive pinion delivered from the manufacturer.Never mix its
components with those of other pairs.
Note:
Every ring gear-dive pinion pairs is adjusted and inspected for tooth contact individually at factory.
2.Adjust the backlash between the ring gear and drive pinion to be 0.1-0.2mm(0.004-0.008 in) by
shimming the drive pinion metal and right and left dif-case metal and make sure that their tooth
contact is proper
5-22
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