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| Position oil seal in adapter -T20081B/5- and place assembly onto camshaft journal. |
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| Use the adaptor -T20081B/1- and press the guide sleeve-seal unit to the maximum, using the sprocket securing bolt to do so. |
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| Remove the adaptor -T20081B/5-. |
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| Fit camshaft sprockets. |
Note | Note the position of the sprockets with respect to the pins in the camshafts. |
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| Lock the respective sprocket with the counterhold -T10016- and tighten the new bolts to a torque of 20 Nm. Continue tightening bolt 1/4 turn (90º) |
| Continue installation following reverse order for removing. |
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