
Caution | The selector mechanism can be damaged by broken retaining clips, retaining tabs or other objects. |
| Make sure that no parts or objects drop into the selector mechanism. If this happens, the selector mechanism will have to be renewed! |
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| Release retaining tabs -2- and -3- in direction of -arrow-, lift front of sealing cap -A- slightly and hold in that position. |

Note | This prevents the retaining tabs from engaging again. |
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| Using a screwdriver, release top retaining tab -1- of sealing cap from retainer -B- in direction of -arrow- and lift out sealing cap -A-. |
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