Engine Operation- 4.5 L Engines Stopping the Engine IMPORTANT: Stopping the engine immediately when it has been working under load, can result in overheating and accelerated wear of the engine components. ALWAYS run the engine at slow idle and no load to allow hot engine parts to cool before shutdown (if possible). RG6574B –UN–07JAN03 On engines with variable speed governors, remove load from engine and run engine for at least 2 minutes Run turbocharged engines for 3 to 5 minutes.
Key Switch on Instrument Panel (Earlier Engines) On generator set engines with governors locked at a specific speed, remove electrical load from engine (if possible) and run at fast idle and no load for at least 2 minutes. RG13362 –UN–06FEB04 1. Reduce engine speed to slow idle (variable speed governors only). 2. Turn key switch (A) to "OFF" position to stop the engine. After engine stops, close valve on fuel supply to prevent accidental starting. Key Switch on Instrument Panel (Later Engines) OURGP11,0000134 –19–20NOV03–1/2 IMPORTANT: Make sure that exhaust stack cap (rain cap) is in place when engine is not running. This will prevent water and dirt from entering engine. 3.
Fill fuel tank to minimize possible water condensation problems. Filling tanks at end of day drives out moisture-laden air. RG10616 –UN–16JUN00 Exhaust Stack Rain Cap OURGP11,0000134 –19–20NOV03–2/2 20-10 021604 PN=125