SAE J1071:2003 pdf download

SAE J1071:2003 pdf download Operator Controls for Graders
4. Machine Controls
4.1 Steering—The steering control(s) shall be located directly in front of the seat. Clockwise rotation or rearward motion shall turn the machine to the right; counterclockwise rotation or forward motion shall turn the machine to the left. Rear steer controls shall be located on the steering column or to the right of the steering column.
4.2 Service Brakes—The service brake pedal shall be located so that it can be operated with the operator’s right foot with the direction of motion forward and/or downward for application.
4.3 Clutch Control—This pedal, if provided, shall be located so that it can be operated with the operator’s left foot with the direction of motion forward and/or downward for disengagement.
4.4 Engine Speed
4.4.1 T HROTTLE —The throttle shall be located so that it can be operated with the operator’s right hand.
4.4.2 A CCELERATOR —The accelerator pedal, if provided, shall be located so that it can be operated with the right foot with the direction of motion forward and/or downward to increase engine speed. 4.4.3 A CCELERATOR /D ECELERATOR —The accelerator/decelerator pedal, if provided, shall be located so that it can be operated with the right foot. With the right foot resting on the pedal, pushing downward with the toe shall increase engine speed and pushing downward with the heel shall decrease engine speed.
4.4.4 D ECELERATOR —The decelerator pedal, if provided, shall be located so that it can be operated with the right foot with the direction of motion forward and/or downward to decrease engine speed.
4.5 Transmission Selector
4.5.1 All hand-operated gear selectors shall be located so that they can be operated with the right hand.
4.5.2 D IRECTION C ONTROL
4.5.2.1 Hand Operated—If a separate direction control is provided, it shall be located to the left of all other gear selectors and shall be moved forward from neutral for forward motion and rearward from neutral for rearward motion.
4.5.2.2 Foot Operated—This control, if provided, shall be located so that it can be operated with the left foot. With the foot resting on the pedal, pushing downward with the toe shall cause forward motion and pushing downward with the heel shall cause rearward motion.
4.5.3 A device shall be provided that will permit securing the transmission in neutral on nondirect-drive machines.
4.5.4 A device shall be provided to insure that the engine cranking torque will not be transmitted through the power train and cause machine movement.
5. Equipment Controls
5.1 Circle Turn (if provided)—Moving the control forward or rotating the control counterclockwise shall rotate the blade counterclockwise. Moving the control rearward or rotating the control clockwise shall rotate the blade clockwise.