DRIVELINE/AXLE 4-23
• Remove the final gear bearing case and final driven bevel
gear, and inspect the coated teeth of the driven bevel gear.
The contact patch should be as shown at right:
• If the tooth contact pattern is incorrect, as shown in
1, a thin-
ner shim
4 is needed between the final drive bevel gear
bearing and final gear case.
• If the tooth contact pattern is incorrect, as shown in
3, a
thicker shim
4 is needed between the final drive bevel gear
bearing and final gear case.
• If the tooth contact pattern is incorrect for either reason, the
a
ppropriate shim must be installed, and the tooth contact pat-
tern rechecked by repeating the tooth coating procedure
above.
NOTE:
If it is necessary to adjust the shim
4 thickness between final
drive bevel gear bearing and final gear case, the final gear back-
lash may change, and should be re-checked according to the
procedure outlined under the Backlash Measurement sub-sec-
tion. Both adjustments may be needed until both backlash and
tooth contact are correct.
Shims
4 specification
The shims
4 are available as a set (27445-24810).
Part No. Shim thickness
27445-24A01-030 0.30 mm (0.012 in)
27445-24A01-035 0.35 mm (0.014 in)
27445-24A01-040 0.40 mm (0.016 in)
27445-24A01-050 0.50 mm (0.020 in)
27445-24A01-060
0.60 mm (0.024 in)
3 INCORRECT (Contact at tooth root)
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