MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company

Instruments and Controls
Operating Instructions
WARNING! To reduce the chance of personal
injury and/or vehicle damage due to engine
overheating, never leave the engine idling without
an alert driver present. If the engine should
overheat, as indicated by the engine coolant
temperature light, immediate action is required
to correct the condition. Continued unattended
operation of the engine, even for a short time,
may result in serious engine damage or a fire.
For further details on engine operation, see the Engine Operation
and Maintenance Manual in the glove compartment of
your vehicle.
Engine Oil Pressure Gauge
It is important to maintain oil pressure within acceptable limits.
If oil pressure drops below the minimum psi a Red Warning
Lamp on the oil pressure gauge and the Stop Engine
Warning Lamp will come ON.
For further information on engine oil and normal operating
pressures, see the Engine Operation and Maintenance Manual.
02585
Engine Oil Pressure Gauge
CAUTION: Continuing to operate your vehicle
with insufficient oil pressure will cause serious
engine damage.
• If the oil pressure fails to rise within 10 seconds after
the engine starts, stop the engine and determine the
cause.
• Check the engine manufacturer's manual for the correct
oil pressure ranges for your vehicle's engine.
• If the oil pressure suddenly drops, or the audible
alarm and engine oil pressure warning light come on
while driving, do the following:
1. Slow down carefully.
2. Move a safe distance off the road and stop.
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