D9
30
3. Check whether the plane of the fixed nut is damaged, and add a metal gasket under it.
the use time becomes shorter after charging
1. The battery is a power storage and conversion device. In order to have a continuous power output,
it must ensure enough charging time for the battery. First of all, please check your charging habits
and rules to see if they meet the charging requirements. Poor charging habits will lead to aging in
advance, or even direct damage.
2. To change your charging habit, make sure to give enough charging time (
＞
8 hours) after each
continuous use. Try whether the injured battery can be recovered.
After opening the brush, it will automatically stop working for a little time, the brush will rise, check
whether the battery power of the machine is consumed. Under normal circumstances, the machine
will beep for alarm.
Selection and use of cleaning brush
Polypropylene cleaning brush (PPL)
It is suitable for various types of floor, it is wear-resistant and high temperature resistant (hot water
can not exceed 60
℃
). As PPL is not hygroscopic, it can also maintain its characteristics when
working on wet floor.
Nylon brush
It is suitable for various types of floor, it is wear-resistant and high temperature resistant (hot water
can not exceed 60
℃
). Because nylon brush is hygroscopic and easy to extend, it can't keep its
characteristics when working on wet floor
Wear resistant hard brush
The bristles of this kind of cleaning brush are very hard, which is suitable for the particularly dirty floor.
We suggest that you use it with the minimum pressure to avoid damaging the floor.
Steel brush
Steel brush, which is made by mixing steel wire and artificial fiber. Steel brush is used to clean
extremely uneven ground or large joints, gaps, and handle extremely difficult to remove dirt
Dense bristle brush
The bristles of the cleaning brush are dense, hard and straight, which is suitable for the tile floor with
