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| Fit tool -T20026- on the gearbox casing with a dial gauge. Locate the end of the dial gauge on the roller bearing inner ring. |
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| Adjust the dial gauge to “0” with a pre-tension of 3 mm. |
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| Measure the distance between the drive sprocket and the roller bearing inner ring. |
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| Take note of the measurement obtained on the dial gauge (e.g. 1.0 mm). |
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