John Deere 450DLC, 650DLC, and 850DLC Excavators — Starting Engine

Operation—Operating the Machine Starting Engine Before Starting the Engine Turn key switch to ON position. Wait for “System Starting” screen to disappear before starting machine. IMPORTANT: Wait for Engine Preheat Indicator to go out before starting the engine. NOTE: The pilot shutoff lever must be in the locked (UP) position to start machine. System Starting... System Starting... Starting the Engine 1 2 3 4 5 6 7 8 9 0 F1 F2 F3 F4 TX1000374 –UN–29NOV05 System Starting Screen VD76477,00001F0 –19–02JUL07–1/3 1. Move engine speed dial (1) to slow idle position. 2. Sound horn to alert persons nearby. IMPORTANT: Prevent starter damage. Never operate starter for more than 20 seconds at a time.

If engine fails to start, return key switch to OFF. Wait for about 2 minutes, then try again. After a false start, DO NOT turn key switch until engine stops. T214920 –UN–29NOV05 3. Turn key switch to START. Release key; switch will return to ON position. 1—Engine Speed Dial After Starting Check Continued on next page VD76477,00001F0 –19–02JUL07–2/3 2-3-2 010609 PN=72