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3C-15 Transfer:
4) Bring painted part up and check contact pattern referring to the following chart. If contact pattern is not normal,
readjust or replace as necessary according to instruction in chart.
NOTE
• Be careful not to turn bevel gear more than one full revolution, for it will hinder accurate check.
• If bevel gear back lash and bevel pinion shims are adjusted properly, correct tooth contact should
be provided.
If correct tooth contact is not provided even when they are adjusted properly, however, there may be
an abnormal condition in worn tooth, transfer case or retainer. Check each component and replace
as necessary.
Gear tooth contact table
Tooth contact pattern
I5RW0A330045-01
High contact
Pinion is positioned too far from the center of drive bevel
gear.
• Decrease thickness of bevel pinion shim and position
pinion closer to gear center.
• Adjust drive bevel gear backlash to specification.
I3RH01332045-01
Low contact
Pinion is positioned too close to the center of drive bevel
gear.
• Increase thickness of bevel pinion shim and position
pinion farther from gear center.
• Adjust drive bevel gear backlash to specification.
I3RH01332046-01
These contact patterns indicate that the "offset" of
reduction driven gear is too much or too little. The
remedy is to change the division of the bevel gear
shim(s).
I3RH01332047-01
Diagnosis and remedy
Normal
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