1. Check whether the range hood works normally and turn off the power of the range hood.
2. Unscrew the cover plate and the screws of the cover plate, take off the cover plate, put it into the dishwashing pool, spray a certain amount of special cleaning agent for the range hood on the cover plate and the cover plate, leave it for a while, and brush it with a brush in hot water.
3. Then tighten the fastening screw of the wind wheel, take out the wind wheel, and thoroughly clean the wind wheel with professional cleaning tools, equipment and detergents (Note: for a range hood that is not cleaned for a long time, the wind wheel will be blocked by a lot of grease, which will directly affect the working effect of the range hood. )
4. Soak the removed parts in warm water with special cleaning agent for range hood, clean and dry them with soft cloth, and assemble the above parts in the reverse order of disassembly. After installation, check whether the oil circuit of the appliance is smooth and whether the sealing ring on the volute can be sealed;
5. Turn on the power and check whether the range hood works normally.
6, matters needing attention when cleaning the impeller:
(1) When cleaning, water cannot enter the motor and electrical components.
(2) When cleaning, do not pull the internal connecting wire, otherwise it will loosen the connecting point and cause electric shock.
(3) It is forbidden to clean the range hood with flammable solvents such as alcohol, banana oil and gasoline to prevent fire accidents.
(4) When cleaning, wear rubber gloves to prevent sharp edges of metal parts from hurting people.
(5) Handle the removed parts carefully to avoid deformation. Be especially careful when cleaning the impeller. Do not touch or move the counterweight of the blade, otherwise the whole machine will vibrate and the noise will increase. For those household range hoods with filters, the internal structure of oil fume does not need to be cleaned, because it has been filtered before entering the electrical appliances.