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DRIV
REAR AXLE/FINAL DRIVE GEAR AND DRIVE SHAFT
POSITIONING THE FINAL DRIVE PINION
GEAR AND RING GEAR
When the final drive pinion gear, ring gear,
final gear case and/or ring gear bearing
housing are replaced, be sure to adjust the
positions of the final drive pinion gear and ring
gear using shim(s).
Final drive pinion gear shim selection
1.Select:
●
Final drive pinion gear shim(s) 1
*****************************************************
Selection steps:
●
To find the final drive pinion gear shim
thickness “A”, use the following formula.
a = a numeral (usually a decimal number)
on the final drive pinion gear either
added to or subtracted from “84”
b = a numeral (usually a decimal number)
on the final gear case either added to or
subtracted from “83”
Example:
1) If “01” is stamped on the final drive
pinion gear,
a = 84 + 0.01 = 84.01
2) If “50” is stamped on the final gear case,
b = 83 + 0.50 = 83.50
3) Therefore, “A” is 0.51.
“A”= 84.01 – 83.50
= 0.51
4) Round off the hundredth digit and select
the appropriate shim(s).
In the example above, the calculated
number is 0.51. The chart instructs you
to round off 1 to 0 at the hundredth
place. Thus, the shim thickness is
0.50 mm.
Final drive pinion gear shim thickness:
“A” =
a
–
b
Hundredths Rounded value
0, 1, 2 0
3, 4, 5, 6, 7 5
8, 9 10