Detail of GB/T 4706.86-2024

Introduction of GB/T 4706.86-2024

GB/T 4706.86-2024 Safety of household and similar electrical appliances - Part 86: Particular requirements for commercial floor treatment machines 1 Scope This clause of GB/T 4706.1-2024 is replaced by the following. This document deals with the safety of powered floor treatment machines intended for commercial indoor or outdoor use for the following applications: ——scrubbing, ——wet or dry pick-up, ——polishing and dry buffing, ——application of wax, sealing products and powder based detergents, ——shampooing, ——stripping, grinding and scarifying of floors with an artificial surface. Their cleaning motion is more lateral or periodic than linear. Note 101: By contrast, the cleaning motion of machines covered by GB/T 4706.96 is more linear than lateral or periodic. Note 102: This standard applies to machines for commercial use. The following list, although not comprehensive, gives an indication of locations that are included in the scope: ——public use areas such as hotels, schools, hospitals; ——industrial locations, for example factories and manufacturing shops; ——retail outlets, for example shops and supermarkets; ——business premises, for example offices and banks; ——all uses other than normal housekeeping purposes. They are not equipped with a traction drive. The following power systems are covered: ——internal combustion engines, ——mains powered motors up to a rated voltage of 250 V for single-phase appliances and 480 V for other appliances, ——battery-powered motors. Battery powered machines may be equipped with a built-in battery charger. This standard does not apply to ——vacuum cleaners and water-suction cleaning appliances for household use (GB/T 4706.7); ——floor treatment appliances for household use according to (GB/T 4706.57); ——spray extraction machines for commercial use (GB/T 4706.87); ——wet and dry vacuum cleaners, including power brush, for commercial use (GB/T 4706.93); ——floor treatment machines with or without traction drive, for commercial use, according to (GB/T 4706.96); ——hand-held and transportable motor-operated electric tools (IEC 60745 series, IEC 61029 series, IEC 62841); ——machines designed for use in corrosive or explosive environments (dust, vapour or gas); ——machines designed for picking up hazardous dusts (as defined in GB/T 4706.93), inflammable substances, or glowing particles; ——machines designed for use in vehicles or on board of ships or aircraft. Note 103: Attention is drawn to the fact that in many countries, additional requirements on the safe use of the equipment covered can be specified by the national health authorities, the national authorities responsible for the protection of labour, the national water supply authorities and similar authorities. 2 Normative references This clause of GB/T 4706.1-2024 is applicable except as follows. Addition: ISO 6344-2, Coated abrasives - Grain size analysis - Part 2: Determination of grain size distribution of macrogrits P12 to P220 IEC60068-2-31, Environmental testing Part 2-31: Test - Test Ec:Rough handling shocks, primarily for equipment-type specimens 3 Terms and definitions This clause of GB/T 4706.1-2024 is applicable except as follows. 3.1.9 Replacement: normal operation conditions under which the machine is operated in normal use, as intended by the manufacturer It denotes the load corresponding to the rated power input or the highest obtainable load of all particular loads of the various functions that can be operated at the same time according to the manufacturer’s instructions. Tanks of machines, if applicable, are filled before starting the operation to the highest level as indicated on the tank, or completely if no marking is provided. Socket-outlets for accessories are loaded with a resistive load in accordance with the marking. Suction functions, if applicable, are switched on during operation. The normal operation related to the operational functions is specified in 3.1.9.101 to 3.1 .9.1 03. 3.1.9.101 Scrubbing, stripping, grinding and scarifying machines are operated with the appropriate brushes or pads on a surface of hydraulically pressed concrete paving slabs (see Annex AA). An alternative is a smooth concrete area of a surface consistency comparable with hydraulically pressed concrete paving slabs. 3.1.9.102 Polishing and dry buffing machines are operated as follows. PVC or comparable surfaces are considered to be suitable for establishing normal operation. The peak of input occurring during the drying process of the chemical applied to treat the surface is not taken as normal operation but is averaged by extending measurements over a period of at least 10 min. 3.1.9.103 Carpet shampooers are operated on a test surface consisting of a carpet, in accordance with IEC 6031 2-1 , the carpet being fastened to the floor. Prior to testing, the brush of the shampooing machine is conditioned by operating it for 15 min on a clean, dry concrete surface. After running on the concrete surface the brush is immersed in a shampoo solution for at least 30 min. 3.101 water-suction cleaning machine machine for applying and sucking up a water-based cleaning solution 3.102 motorized cleaning head hand-held or hand-guided cleaning device connected to the machine, with an integrated electrical motor Note: The permanently attached main cleaning head is not regarded as a motorized cleaning head. 3.103 traction drive system used to propel the machine, e.g. by powered wheels Traction by the effect of rotating brushes is not included. 3.104 operator presence control; OPC control device that automatically interrupts the power, e.g. to a drive or an engine, when the operator's actuating force is removed Note: Such devices may be, for example, continuous action controls ("hold-to-run" controls). 3.105 guard part of the machine specifically designed to provide protection by means of a physical barrier, such as, for example, a casing, a shield, a cover, a screen, a door, an enclosure or a fence; other parts of the machine that fulfil a primarily operational function, such as, for example, the frame of the machine, may also fulfil a protective function but are not referred to as guards Note: Three main kinds of guards can be distinguished: fixed guards, interlocking moveable guards and adjustable guards. Interlocking movable guards are required where frequent access is envisaged, while fixed guards can be used where frequent access is not envisaged. 3.106 operator person installing, operating, adjusting, maintaining, cleaning or moving the machine 3.107 test solution solution which consists of 20 g of NaCl and 1 ml of a solution of 28 % by mass of dodecyl sodium sulphate in each 8 l of water

Contents of GB/T 4706.86-2024