ISO 3691-4-2020 pdf download.Industrial trucks一Safety requirements and verification- Part 4: Driverless industrial trucks and their systems. 4.1.14 AvoIdance olautomatic restart Trucks shall be designed in such way that an automatic restart is not permitted after the actuation of any of the following: a) emergency stop device; b) short stroke bumper. see 4.8.ZJ. e): c) presence of the operator as described in 4.9.3 (e.g. seat, tiller, handles. foot pedal); d) manual control commands (e.g throttle, steering wheel, joystick), see 4111 c); e) virtLial reachable stop function according to Table A,1. footnote c). Trucks shall be designed in such way that an automatic restart is nut permitted alter interruption of power. 4.1.15 Foot protection Means shall b provided to prevent injury to the Iet of persons standing nearby the truck, Examples of measures are: a) follow manufacturer specifications of ESPE concerning additional stopping distances margins for feet; b) reduce clearance of the chassis to equal to or less than 40mm, for a person wearing safety shoes. This will prevent feet from being entrapped under the chassis; c) root clearance below the chassis according to ISO 3691.1:2011, Figure S. This will prevent contact with the drive and stabilizing wheels. 4.2 BrakIng system The truck shall be equipped with a braking system that is designed to do the following: a) operate on the interruption of the power supply; b) activate automatically at the loss of control of the speed or steering; c) stop the truck within the opersting range o(the personnel detection means as defined in 4.8.2 in the Worst condition in the limits specified by the manufacturer (e.g. speed, friction, floor/ground. gradient, rated load); d) maintain the truck and its maximum permissible load stationary on the maximum operational gradient specified by the manufacturer. The safety related parts olthe braking systems shall be in accordance with Table 1. Item I and item 2. NOTE Braking systems can consist of one or more braking function (eg. spring-loaded brake, service brake) 4.3 Speed control The safety.related parts of the speed control system shall be in accordance with Tahki.. Item 3 and item 8. 4.4 Automatic battery charging Automatic charging connections rated above 60 VDC or 25 VAC shall be designed to prevent shock hazards arising from accidental contact with live parts according to IEC 61558.1:2017.ISO 3691-4 pdf download.
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