SAE Standards Works
HFTC1, Controls, Visibility, Anthropometrics, Accessibility
J185 - Access Systems for Off-Road Machines
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Charles M. Crowell
Access Systems for Off-Road Machines
1. SCOPE 1.1 Minimum criteria are provided for steps, stairways, ladders, walkways, platforms, handrails, handholds, guardrails, and entrance openings which permit ingress to and egress from operator, inspection, maintenance or service platforms on off-road work machines parked in accordance with the manufacturer's instructions. 1.2 This SAE Recommended Practice pertains to off-road self-propelled work machines used in specialized mining machinery categories as defined in SAE J1116. 1.3 The minimum criteria are based on one unladen person using the access system at any one time. 1.4 Purpose This document establishes criteria for access systems primarily to aid in minimizing accidents and injury to personnel getting on, off, or moving about while servicing or preparing to operate off-road machines.
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