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| First disassemble the toothed belt → Chapter. |
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| Next, disassemble the toothed belt wheel on the crankshaft. For this procedure, screw the countersupport -3415- in the toothed belt wheel. |
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| To guide the extractor of the sealing ring, screw the fastening bolt designated for the toothed belt wheel all the way into the crankshaft. |
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| Remove the exterior part by unscrewing the lower part of the sealing ring extractor two turns (approx. 3 mm) and block with a head bolt. |
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