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1.Remove the air filter. (See AIR FILTER REMOVAL/INSTALLATION [L5].)

2.Blow from port A and verify that there is airflow from port B.

• If not as specified, replace the air filter. (See AIR FILTER REMOVAL/INSTALLATION [L5].)

3.Blow from port B and verify that there is airflow from port A.

• If not as specified, replace the air filter. (See AIR FILTER REMOVAL/INSTALLATION [L5].)

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