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| Release screws -1- and -2- (5 Nm) from the central pipe -3-. |
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| Slightly tilt out bottom part of heater unit and press off the damping insulation at the intake air passage by hand. |
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| Lower right heater unit and carefully remove heater unit. |
Installation is carried out in the reverse order. Pay attention to the following: |
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| Observe sequence when installing the heat exchanger → Chapter. |
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