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disengage the clutch and try to increase engine RPM as this may damage
driveline components. The engine will recover as the vehicle begins
moving.
Engine shutdown
Allow the engine to idle for three to five minutes before shutting it
down. The larger the engine, the greater the need for this idling period.
However, do not let the engine idle for more than 10 minutes.
Restarting after running out of fuel
The fuel system may need to be purged of air, refer to Running out of
fuel in the Maintenance and Specifications chapter.
General operating instructions
• Avoid extended and unnecessary idling.
• Start the vehicle in motion by using the highest gear speed in the
transmission that will let the engine easily start the load without
slipping the clutch.
• Accelerate smoothly and evenly; rapid acceleration increases fuel
consumption without increasing engine performance.
• When approaching a hill, depress the accelerator smoothly to start the
incline at full power, then shift down as needed to maintain vehicle
speed.
• When going down a hill, or long steep grades, prevent over-speeding
of the engine. The engine governor has no control over engine speed
when it is being pushed by a loaded vehicle.
• Always shift to a lower gear at high altitudes to prevent engine
smoking.
• Operate in a gear that will permit an engine speed not in excess of the
maximum governed speed or high-idle RPM (no load).
• Normally, choose the same gear to descend the hill that you would use
to ascend the hill.
All vehicles have blind spots. To reduce the risk of severe injury
or property damage, never move your vehicle to the side or rear
or change lanes without being sure your way is clear on both sides and
to your rear.
2006 F-650/750 (f67)
Supplement
USA (fus)
Driving
95
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