ISO 20957-6-2021 pdf download.Stationary training equipment一 Part 6: Treadmills, additional specific safety requirements and test methods. 6.5.3 Actuator(s) Actuators of safety stop devices shall be coloured red. The actuator of a push-button operated switch shall be of the palm or mushroom head type and shall have a yellow background. The background around the actuator shall he at least 5 mm wider than the actuator itself on all sides. Pull-cord safety stop actuators shall release with a maximum force of 50 % of the force required to release the attachment device when attached to the user according to the manufacturers’ recommendation. The actuator cord shall have a suitable length so that the actuator releases at a position not more than 70% of the length of the running surface. Test in accordance with 7.4. 6.6 Immobilization method For power-driven treadmills there shall be an immobilization method for the treadmill to prevent uncontrolled usage of third parties. This method shall be explained in the instructions for use. Test in accordance with Z. 6.7 Stability The treadmill shall he stable in both training and storage positions when tested in accordance with Z. 6.8 Static strength of the running surface Classes H, Sand I treadmills shall withstand a load four times the maximum user weight specified by the manufacturer or 4 000 N whichever is greater without fracture, cracking or permanent deformation. Verification shall be by testing in accordance with 7.7. The treadmill shall withstand the test in flat, mid and maximum inclination, where inclination is applicable. When tested in accordance with 7.7. the running surface shall show no permanent deformation of more than 3 %. 6.9 Endurance When tested in accordance with 78. the treadmill shall withstand a) 12000 impacts for class I-I, and b) 100 000 impacts for classes S and I. The test shall not cause any fracture, cracking, or permanent deformation to the treadmill. After the test, the treadmill shall be capable of functioning correctly according to the information given in the user’s manual.ISO 20957-6 pdf download.
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