AS/NZS 60335.2.72:2017 pdf free

09-08-2021 comment

AS/NZS 60335.2.72:2017 pdf free.Household and similar electrical appliances – Safety Part 2.72: Particular requirements for floor treatment machines with or without traction drive, for commercial use.
3 Terms and definitions
This clause of Part 1 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 in accordance with the manufacturer’s instructions. For machines provided with a seat or an operator platform, a mass of 75 kg secured in position at the appropriate height is used to simulate the operator in the most unfavourable position. Internal combustion engine driven machines are operated with the fuel specified by the manufacturer except where otherwise stated in this standard.
Socket-outlets for accessories are loaded with a resistive load in accordance with the marking.
Operational functions include all treatment and driving functions.
The normal operation related to the operational functions is specified in to Scrubbing and sweeping machines are operated on a surface of hydraulically pressed concrete paving slabs (see Annex AA) intermittently at least 30 mm switched on, and for a period of 5 mm switched off.
An alternative is a smooth concrete area of a surface consistency comparable with hydraulically pressed concrete paving slabs. Polishing and dry buffing machines are operated as follows.
PVC- or comparable flooring 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 mm. Carpet shampooers are operated on a test surface consisting of a carpet, in accordance with IEC 60312-1, the carpet being fastened to the floor.
Prior to testing, the brush of the shampooing machine is conditioned by operating it for 15 mm on a clean, dry concrete surface. After running on the concrete surface, the brush is immersed in a shampoo solution for at least 30 mm.
The solution tank Is filled and the machine Is operated over a period of 10 mm.
3.101 traction drive
system used to propel the machine, e.g. by powered wheels
Traction by the effect of rotating brushes is not included.AS/NZS 60335.2.72 pdf download.

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