① When using the vacuum cleaner, the dust on the filter bag (filter element) should be removed in time.
② It is necessary to regularly add oil to the rotating shaft of the vacuum cleaner, and replace the brushes of the same brand as the original ones.
③ Always check whether the air duct, nozzle, hose and air inlet of the vacuum cleaner are blocked by foreign objects. Choose nozzles according to different needs, which can improve the vacuuming effect and save electricity.
④ Household vacuum cleaners cannot be used in damp places.
⑤ When using the vacuum cleaner, the power can be adjusted to the appropriate suction power.
