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| Press guide rail of chain tensioner for drive chain in direction of -arrow- and lock chain tensioner by inserting locking pin -T40071-. |
Caution If a used drive chain rotates in the opposite direction when it is refitted, this can cause breakage. |
Mark running direction of drive chain with paint for re-installation. Do not attempt to mark the drive chain with a centre punch or by making a notch or similar. |
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| Unscrew bolts -1- and remove guide rail. |
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| Unscrew bolts -2- and remove chain tensioner. |
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| Detach drive chain for valve gear. |
Installation is carried out in the reverse order; note the following: |
Note Renew the bolts tightened with specified tightening angle. |
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| Position drive chain for valve gear onto drive chain sprockets (according to marks applied when removing). |
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