Contact us

The Dyson Helpline is available during the following times (CST):

Monday – Friday: 8am – 8pm

Saturday: 9am – 6pm

Closed on Sunday

Please note our US Helpline will close at 1pm on Saturday, October 10th for planned maintenance. Please email us at Our Digital Support team responds to emails 24 hours a day.

  • 1-866-MY-DYSON
  • Dyson Inc. 600 W. Chicago Ave, Suite 275, Chicago, IL

Replacing post filter cover

Make sure Filter B is securely fitted by refitting the filter and turning it one-quarter turn clockwise.

diagram showing how to secure Filter B and replace the ball cover

  • Make sure that central screw is aligned with the centre of the post filter cover
  • Keep turning the central locking dial clockwise until it clicks.

diagram showing how to replace the ball cover

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