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Inspect the gear surface and bearing surface for wear and damage, then measure the mainshaft at points A, B, and C. If any part of the mainshaft is less than the service limit, replace it with a new one.
Standard:
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A (Ball bearing contact area):
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24.980−24.993 mm (0.9835−0.9840 in.)
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B (Distance collar contact area):
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36.487−36.500 mm (1.4365−1.4370 in.)
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C (Needle bearing contact area):
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34.000−34.015 mm (1.3386−1.3392 in.)
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Service Limit:
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A:
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24.93 mm (0.981 in.)
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B:
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36.44 mm (1.4346 in.)
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C:
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33.95 mm (1.337 in.)
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