Engine Operation - Except 4.5L Engines 4. During the first 20 hours, avoid prolonged periods of engine idling or sustained maximum load operation. If engine will idle longer than 5 minutes, stop engine. 5. Before the first 100 hours (maximum), change engine oil and replace engine oil filter (A). (See CHANGING ENGINE OIL AND REPLACING FILTER in Lubrication and Maintenance/500 Hour/12 Month Section.) Fill crankcase with seasonal viscosity grade oil. (See DIESEL ENGINE OIL, in Fuels, Lubricants, and Coolant Section.) RG11616 –UN–24OCT01 NOTE: Some increase in oil consumption may be expected when low viscosity oils are used. Check oil levels more frequently.
Engine Oil Filter A—Engine Oil Filter If air temperature is below -10 ° C (14 ° F), use an engine block heater. OURGP11,0000135 –19–20NOV03–3/4 6. Watch coolant temperature gauge (A) closely. If coolant temperature rises above 112 ° C (234 ° F), reduce load on engine. Unless temperature drops quickly, stop the engine and determine the cause before resuming operation. NOTE: When the coolant temperature gauge reads approximately 115 ° C (239 ° F), the engine will shutdown automatically, if equipped with safety controls. 7. Check poly-vee belt for proper alignment and seating in pulley grooves.
A—Engine Coolant Temperature Gauge RG13278 –UN–30OCT03 Watch Coolant Temperatures On Earlier Panel (Left) or Later Panel (Right) OURGP11,0000135 –19–20NOV03–4/4 19-3 021604 PN=101