User Manual - HS-1900B Electric Sweeper
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5.3 Regular maintenance
1. Please check the entanglement on the main brush and side brush after sweeping.
2. Please check the break system before sweeping.
3. To avoid the shortage of electrical components by excessive dust, please clean the inner part of
sweeper weekly.
4. Please check the height between the brushes and ground weekly (Check it on a flat ground).
5. Please add some lubricating oil on the up-down chains of brushes and driving chains monthly.
6. Please check the carbon brush of main brush motor, fun motor and side brush motor monthly (no
less than 5mm)
7. Please check the filter and if there any abrasion on the dust scraper of filter monthly.