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| Disconnect connector -2- from fresh air blower -V2--1-. |
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| Unscrew bolt -3- (1 Nm). |
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| Press retaining lug -arrow A- to the left, turn fresh air blower -V2--1- in -in direction of arrow B- and remove it from housing. |
Note | If the fresh air blower -V2- is to be reused, do not place it onto fan wheel. |
| Installation is carried out in the reverse order. When installing, note the following: |
Caution | The fan wheel can break or bend (imbalance). |
| if pressure is applied when fitting fresh air blower -V2- on fan wheel. |
| Apply pressure only to the shaft when pressing fresh air blower -V2- into its housing. |
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| The connector must engage correctly in the housing. |
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