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| Mark the upper -4- and lower-3- limits of the cogged segment -2- on the housing with a white pencil. |
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| Place the cogged segment -2- in the direction of the arrow at the lower limit -3-. |
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| Mark in white the cogged edge “short” of the regulation motor sprocket -1--arrow A-. |
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| Mark in white the side of the hollow between the shortest teeth of the cogged segment -2--arrow B-. |
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| Insert the support with the regulation motor into the front supports and fit it into the housing so that the tooth -arrow A- fits into the hole -arrow B-. |
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