| Check the regulating flap |
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| Remove the air filter intake tube. |
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| Check the position of the regulating flap in the intake tube. |
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| Above +23 °C, the regulating flap must close the hot air intake |
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| Below +10 °C, the regulating flap must open the hot air intake |
Note! | The operation of the heat element may be checked by spraying the end of the intake tube with normal cooling spray. |
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