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

Operation—Operating the Machine IMPORTANT: Prevent possible damage to engine. If alarm indicators do not go out after starting engine, IMMEDIATELY STOP THE ENGINE. Find and correct the problem. After the engine is started, check that the alarm indicators no longer display. Check that the alternator alarm indicator (1) is no longer displayed. Check that the engine oil pressure alarm indicator (2) is no longer displayed. TX1000875 –UN–01DEC05 If the alarm indicators continue to be displayed, stop the engine immediately. Find and correct the problem. Warming The Engine 1. Run engine at 1/3 speed for 30 seconds. Do not run engine at fast or slow idle. Do not accelerate rapidly during warm-up.

1—Alternator Alarm Indicator 2—Engine Oil Pressure Alarm Indicator 2. Operate machine at less-than-normal loads and speeds until engine is at normal operating temperature. VD76477,00001F0 –19–02JUL07–3/3 2-3-3 010609 PN=73