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Engine Operation - Except 4.5L “270” Engines
OURGP11,0000075 –19–27JUL06–3/4
RG11616 –UN–24OCT01
Engine Oil Filter
A—Engine Oil Filter
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.)
NOTE: Some increase in oil consumption may be
expected when low viscosity oils are used. Check
oil levels more frequently.
If air temperature is below -10
°
C (14
°
F), use an
engine block heater.
OURGP11,0000075 –19–27JUL06–4/4
RG13281 –UN–30OCT03
Watch Coolant Temperature and Oil Pressure On Earlier Panel
(Left) or Later Panel (Right)
A—Engine Oil Pressure Gauge
B—Engine Coolant Temperature Gauge
6. Watch oil pressure gauge (A). Pressure at slow idle
should be at least 103 kPa (1.03 bar) (15 psi) once
engine is warmed up and shouild rise to at least 241
kPa (2.41 bar) (35 psi) at rated speed under full load.
7. Watch coolant temperature gauge (B) 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.
8. Check poly-vee belt for proper alignment and seating
in pulley grooves.
19-3
080706
PN=101