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SHAFT DRIVE 4-34
MOTE:
If the backlash is
not
within specification,
adjust the shim thickness as follows.
Remove shims from final gear bearing case
and
final
gear case, and measure
total
thickness.
In
order not to change the clearance between
the final gear bearing case and final driven
gear
bearing, the total thickness of the shims installed
List of Shims @
(Final Driven Gear to Case)
after
a change is
made
must equal the original
total thickness of shims.
List of Shims
0
(Final Driven Gear Case ae Bearing)
.
Part Number
27326
-
45100
27326 - 45101
27326
-
45102
27326
-
45 103
27326
-
451 04
Thickness
1.25
mm
1.20
mm
1.05
mm
1.10 mm
f -35 mm
If
backlash is too large:
EXAMPLE:
a) l nstal E a thinner shim pack between final
Final gear
to
case shims;
driven gear and final gear case.
1.35
+
1.05 mm
=
2.40
mrn
b) l ncrease thickness of shims between final
gear
Final
gear
case
to
bearing
shims;
case and bearing by an amount
equal
to the
0.50
mm
+
0.40 rnm
=
0.90
rnm
decrease above.
Original total measurement
=
3.30
mm
Part Number
27327
-
451
00
*
If backlash is
too small:
Backlash
too
large:
a) l nstal l a thicker shim pack between final
Final gear to
case
shims;
driven gear and final gear case.
1.30
mm
+
1.05 m m
=
2.35
mm
b) Decrease thickness of shims between final
Final gear case to bearing shims;
gear case and bearing by an amount equal
0.60
rnm
--
+
0.35 rnm
=
0.95 mm
to
the C ncrease above.
Total
thickness =
3.30
mrn
Thickness
0.35
mm
Racklash roo small:
Final gear
to
case shims;
1.40
rnm
+
1.05 mm
=
2.45
m m
Final gear case
to bearing shims;
0.50 rnm
+
0.35
mm =
0.85
mrn
Total thickness
=
3.30
mm
27327
- 451
02
0.40 mm
27327 - 451 03
27327
- 45104
0.50 mrn
0.60 mtn
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