Drive Chain / Drive Train / Drive Shaft: 3A-25
2) Measure the clearance between the shims and
bearing. If it is not within the specification, the must
be changed.
Final gear case shim clearance
Standard: 0.1 mm (0.04 in)
List of shims (for final gear case side)
Backlash
After assembling the final gear case, measure the final
bevel gear backlash as follows:
• Install the backlash measuring tool on the drive bevel
gear coupling, and set-up a dial gauge as shown in
the figure.
Special tool
(A): 09924–34510 (Backlash measuring tool
(φ27 – 50)))
(B): 09900–20607 (Dial gauge (1/100 mm, 10
mm))
(C): 09900–20701 (Magnetic stand)
• Adjust the dial gauge so that it touches the backlash
measuring tool arm at the mark; hold the final driven
bevel gear securely, and turn the final drive bevel gear
coupling slightly in each direction, reading the total
backlash on the dial gauge.
Final bevel gear backlash
Standard: 0.08 – 0.16 mm (0.003 – 0.006 in)
If the backlash is not within the 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 final
driven bevel gear and bearing, the total thickness of
the shims installed after a change is made must equal
the original total thickness of the shims.
Backlash is too large
• Install a thinner shim pack (1) between the final driven
bevel gear and final gear case.
• Increase thickness of the shims (2) between the final
driven bevel gear bearing and bearing case by an
amount equal to decrease above.
Part number Shim thickness
27327-38810
(Shim set: 4
pcs.)
27327-38B00-035 0.35 mm (0.014 in)
27327-38B00-040 0.40 mm (0.016 in)
27327-38B00-050 0.50 mm (0.020 in)
27327-38B00-060 0.60 mm (0.024 in)
1
I822H1310096-01
(B)
(A)
(C)
I822H1310104-01
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