Safety of household and similar electrical appliances - Part 57: Particular requirements for floor treatment machines and wet scrubbing machines
1 Scope
This clause of GB/T 4706.1-2024 is replaced by the following.
This Standard deals with the safety of electric floor treatment and wet scrubbing machines intended for household and similar purposes.
This document is applicable to household and similar electric floor treatment machines and wet cleaning machines with a rated voltage not more than 250 V.
Note 101: Examples of floor treatment machines are
——floor buffers;
——floor polishers;
——floor waxers.
Note 102: Examples of wet scrubbing machines are
——floor scrubbers;
——rug shampooers;
——upholstery shampooers.
Appliances not intended for normal household use but that nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard.
Note 103: Examples of such appliances are appliances intended to be used in hotels, offices, schools, hospitals and similar premises.
As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account
——persons (including children) whose
? physical, sensory or mental capabilities; or
? lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
——children playing with the appliance.
Note 104: Attention is drawn to the fact that
——for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary;
——in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities.
Note 105: This standard does not apply to
——vacuum cleaners and water suction cleaning appliances (IEC 60335-2-2);
——appliances intended for industrial purposes;
——appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour, or gas);
——floor sanding machines.
2 Normative references
This clause of GB/T 4706.1-2024 is applicable.
3 Definitions
This clause of Part 1 is applicable except as follows.
3.1.9 Replacement:
normal operation
operation of the appliance under the following conditions
Floor treatment machines are operated while being moved backwards and forwards at a rate of 15 cycles per minute on a polished steel plate over a distance of 1 m. The appliance is fitted with brushes for hard-surface floors in accordance with the instructions.
Note 101: Heating of the steel plate is to be prevented. Forced cooling may be used but care is to be taken to ensure that the air movement does not affect the temperature rises to be determined.
Floor scrubbers are operated on untreated smooth pine-wood boards, 25 mm thick and
approximately 100 mm wide, fastened inside the bottom of a metal pan. The pan is filled with water to a level approximately 1 mm above the surface of the boards. The scrubber is moved backwards and forwards at a rate of 10 cycles per minute over a distance of 1 m.
Rug shampooers are operated on a carpet that is fastened inside the bottom of a metal pan that is filled with water to a level approximately 3 mm below the surface of the carpet. The carpet is made of nylon fibres having a pile height of approximately 6 mm. The shampooer is moved backwards and forwards at a rate of 10 cycles per minute over a distance of 1 m.
If the floor scrubber or rug shampooer has a liquid dispensing system, the pan is not filled
with water but the liquid dispensing system is in operation.
Upholstery shampooers are operated without their rotating brushes or similar devices being in contact with upholstery or any other surface. Suction hoses are laid out straight with the inlet unobstructed. Liquid dispensing systems are operated with the liquid container empty.
4 General requirement
This clause of GB/T 4706.1-2024 is applicable.
