4-18 DRIVE TRAIN
SHIM ADJUSTMENT
BACKLASH
 Install the pinion gear assembly, removed shim and new
bearing locknut. (!4-13)
 Tighten the bearing locknut to the specified torque.
(!4-13)
NOTE:
At this time, it is not necessary to stake the bearing locknut.
(!4-13)
 Install the removed right side shim and ring gear. (!4-14)
 Measure the backlash using the dial gauge, as shown. Take
backlash readings at several places while turning the pinion
gear shaft in each direction and securely holding the ring
gear. If the backlash is not within specification, the shim must
be changed and the backlash should be re-checked until cor-
rect. Refer to the chart at the right for the appropriate shim
thickness.
* Backlash
Standard: 0.05 îš– 0.30 mm (0.0020 îš– 0.0 118 in)
NOTE:
Adjust the backlash by referring to the chart at the right and
using the thickness of the removed shim as a guide.
LEFT SIDE SHIM SELECTION
 After the backlash has been checked or adjusted, put a few
pieces of solder
A (O.D.: 1.4 îš– 2 .0 mm î›— L: 6 mm) on the ring
gear back side, as shown.
NOTE:
* Do not install the left side shim at this time.
* Apply a small quantity of grease to the solders to prevent them
from falling.
Backlash Shim adjustment
Under 0.05 mm
(0.0020 in)
Increase shim thickness
0.05 îš– 0.30 mm
(0.0020 îš– 0 .0118 in)
Correct
Over 0.30 mm
(0.0118 in)
Decrease shim thickness
1.26 mm (0.0496 in)
1.32 mm (0.0520 in)
1.38 mm (0.0543 in)
1.44 mm (0.0567 in)
1.50 mm (0.0591 in)
1.56 mm (0.0614 in)
1.62 mm (0.0638 in)
1.68 mm (0.0661 in)
1.74 mm (0.0685 in)
1.80 mm (0.0709 in)
Part No.
Shim thickness
For right side of ring gear (
:
4-21)
27407-05820
(Shim set: 10 pcs)
PartShark.com
877-999-5686
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