Operator Hand Controls Clause Samples

Operator Hand Controls. All switches and controls necessary for the safe operation of the vehicle shall be conveniently located in the operator's area and shall provide for ease of operation. Switches and controls shall be divided into basic groups and assigned to specific areas, in conformance with SAE Recommended Practice J680, Revised 1988, Location and Operation of Instruments and Controls in Motor Truck Cabs, and be essentially within the hand reach envelope described in SAE Recommended Practice, J287, Driver Hand Control Reach. Operational controls, instrumentation, switches, and other system controls shall not be mixed with ventilation diffusers and non-operational controls or readouts. Controls shall be located so that boarding passengers may not easily tamper with control settings. Controls for engine operation shall be closely grouped within the operator's compartment. These controls shall include run, start and fast idle. The door control, kneel control, windshield wiper/washer controls, and run switch shall be in the most convenient operator locations. They shall be identifiable by shape, touch, and permanent markings. Doors shall be operated by a single control, conveniently located and operable in a horizontal plane by the operator's left hand. The setting of this control shall be easily determined by position and touch. All panel-mounted switches and controls shall be marked with easily read identifiers. ALL text designating position (on/off) shall be ARIAL and shall be a minimum of 14 points. Graphical symbols shall conform to SAE Recommended Practice J2402, Road Vehicles-symbols For Controls, Indicators, and Tell Tales, where available and applicable. Color of switches and controls shall be dark with contrasting typography or symbols. Red type on a black or ▇▇▇▇ field (or vice versa) shall not be used. Mechanical switches and controls shall be replaceable, and the wiring at these controls shall be serviceable from the vestibule or the operator's seat. Switches, controls, and instruments shall be dust and water-resistant consistent with the washing practice described in Section 5.4.4.1.