10.FINAL REDUCTION/
TRANSMISSION SYSTEM MXU 300/250
Secondary Drive Bevel Gear Cover
SECONDARY GEAR SHIMS
(MXU 300)
Remove the for bolts and secondary drive
bevel gear cover.
Bolts
Drive Bevel Gear Driven Bevel Gear
Set a dial gauge on the driven bevel gear as
shown.
Measure the backlash by turning the driven
bevel gear shaft in each direction, reading the
total backlash on the dial gauge. If the
backlash is not within specification, the shim
must be changed and the backlash should be
rechecked until correct. Refer to the chart (a)
at the page 10-41 for appropriate shim
thickness.
Bevel gear backlash
Standard: 0.03 - 0.15 mm (0.001 0.006 in)
If the backlash is too small (under 0.03
mm, 0.001 in), replace the driven bevel
gear side spacer with a thinner shim.
If the backlash is too great (over 0.15
mm, 0.006 in), replace the driven bevel
gear side spacer with a thicker shim.
Driven Bevel Gear Shaft
10-39
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