Roborock S8 Pro Ultra (S81USP) how to clean the omni-directional wheel

As required.

Steps

  1. Use a tool, such as a small screwdriver, to pry out the axle and take out the wheel.
  2. Rinse the wheel and the axle with water to remove any hair and dirt.
  3. Dry the wheel and reattach it, pressing it firmly in place.

The omni-directional wheel bracket cannot be removed.

Source: Routine Maintenance: Omnidirectional Wheel Source: Routine Maintenance: Omnidirectional Wheel, p. 11

Other S8 Pro Ultra (S81USP) procedures

Sources

  1. Roborock S8 Pro Ultra FCC EN User Manual (EN/FR/ES). Beijing Roborock Technology Co., Ltd. Document S81USP, revision Undated download (PDF created 2023-03-14), 15 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  2. What should I do when error 4 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035369132, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  3. What should I do when error 5 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035369172, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  4. What should I do when error 7 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035369212, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  5. What should I do when error 9 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035731551, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  6. What should I do when error 10 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035731571, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  7. What should I do when error 13 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035369312, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
  8. What should I do when error 18 occurs?. Beijing Roborock Technology Co., Ltd. Document Article 360035731631, revision Undated web article, 1 pages, en. support.roborock.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to
S8 Pro Ultra (variants S81USP; EWFD07LRR; EWFD08LRR). United States (FCC edition).
Source
Roborock S8 Pro Ultra FCC EN User Manual (EN/FR/ES), S81USP revision Undated download (PDF created 2023-03-14); What should I do when error 4 occurs?, Article 360035369132 revision Undated web article; What should I do when error 5 occurs?, Article 360035369172 revision Undated web article; What should I do when error 7 occurs?, Article 360035369212 revision Undated web article; What should I do when error 9 occurs?, Article 360035731551 revision Undated web article; What should I do when error 10 occurs?, Article 360035731571 revision Undated web article; What should I do when error 13 occurs?, Article 360035369312 revision Undated web article; What should I do when error 18 occurs?, Article 360035731631 revision Undated web article
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