John Deere 450DLC, 650DLC, and 850DLC Excavators — Engine Stop Switch

Operation—Operator’s Station Power Dig Button Press and hold down power dig button (1) on top of right pilot control lever for an 8 second increase in hydraulic power. Release button to reset power dig function. Power dig is automatically activated when the following conditions are met: T214908 –UN–29NOV05 Boom Up No Arm In High Delivery Pressure 3 Button Pilot Control Lever Shown 1—Power Dig Button VD76477,0000367 –19–03JAN06–1/1 Pilot Shutoff Lever The pilot shutoff lever (1) shuts off hydraulic pilot pressure to all pilot control valves. When pilot shutoff lever is in locked (UP) position, the machine will not move if a lever or pedal is accidentally moved.

Engine will not start with pilot shutoff lever in the unlocked (DOWN) position. T214909 –UN–29NOV05 Always pull pilot shutoff lever to locked position when you stop the engine or leave the operator’s station. Push pilot shutoff lever forward to unlocked position to operate machine. Lever In Locked Position 1—Pilot Shutoff Lever VD76477,0000346 –19–31OCT06–1/1 Engine Stop Switch If the engine does not stop even if the key switch is turned OFF due to failure of the machine, move switch (1) located at the front-left side of the seat stand downward to stop the engine. After operating switch (1), be sure to return the switch back to the upward position.

TX1009920 –UN–24JUL06 1—Engine Stop Switch DW90712,0000194 –19–07JUL06–1/1 2-1-5 010609 PN=34