Operator's Manual Sixth Edition • Third PrintingWork Area Safety8 GR-12 • GR-15 • GR-20 Part No. 133572Work Area SafetyElectrocution HazardsThis machine is notelectrically insulated andwill not provide protectionfrom contact with orproximity to electricalcurrent.Maintain safe distancesfrom electrical power linesand apparatus inaccordance with applicablegovernmental regulationsand the following chart.Line Voltage Required Clearance0 to 50KV 3.05 m50 to 200KV 4.60 m200 to 350KV 6.10 m350 to 500KV 7.62 m500 to 750KV 10.67 m750 to 1000KV 13.72 mAllow for platform movement, electrical line swayor sag, and beware of strong or gusty winds.Keep away from the machine if it contactsenergized power lines. Personnel on the ground orin the platform must not touch or operate themachine until energized power lines are shut off.Do not operate the machine during lightning orstorms.Do not use the machine as a ground for welding.Tip-over HazardsOccupants, equipment and materials shall notexceed the maximum platform capacity or themaximum platform capacity of the platformextension. Weight in trays is part of the totalplatform load.Maximum capacity - GR-12 and GR-15Standard platform 227 kgWork tray station (option) 22 kgMaximum occupants 1AWP platform 159 kgMaximum occupants 1Maximum capacity - GR-20Standard platform 159 kgMaximum occupants 1AWP platform 159 kgMaximum occupants 1