2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 8

2012 Ford F550 Cab Manual

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Driving STARTING THE ENGINE Read all starting instructions carefully before you start your vehicle. For temperatures below 32°F (0°C), the use of the correct grade engine oil is essential for proper operation. Refer to Engine oil specifications in the Maintenance and Specifications chapter for more information. Your vehicle may be equipped with a cold weather starting strategy that prevents severe engine damage by assisting in engine lubrication warm-up. In extremely cold ambient temperatures, this strategy activates and prevents the accelerator pedal from being used for 30 seconds after starting the vehicle. By not allowing the accelerator pedal to be used, the engine oil is allowed to properly lubricate the bearings preventing engine damage due to lack of proper lubrication. After the 30 second warm-up period, the accelerator pedal will be operational again as long as the pedal is not being pressed when the 30 second time limit expires. When starting the engine in extremely cold temperatures (-15°F [-26°C]), it is recommended to allow the engine to idle for several minutes before driving the vehicle. Ensure the gearshift lever is in P (Park) and the parking brake is fully set before you turn the key. Do not press the accelerator during starting. Engine-driven cooling fan (fan clutch) Your vehicle is equipped with an engine driven cooling fan drive (also called a fan clutch). This fan drive changes the fan speed to match the vehicle's changing cooling air flow requirements. Fan speed, fan noise level and fuel consumption all will increase based on the driving conditions that include trailer towing, hill climbing, heavy loads, high speed and high ambient temperature, individually or in combination. The fan drive is designed to provide the minimum fan speed (and resulting minimum fan noise and fuel consumption) required to meet the ever changing vehicle cooling air flow requirements. You will hear the amount of fan noise increasing and decreasing as the engine power requirements and vehicle driving conditions change as you drive. This is to be expected as being normal to the operation of your vehicle. High levels of fan noise might also be heard when your engine is first started, and should normally decrease after driving for a short time. 8 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)

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STARTING THE ENGINE
Read all starting instructions carefully before you start your vehicle.
For temperatures below 32°F (0°C), the use of the correct grade engine
oil is essential for proper operation. Refer to
Engine oil specifications
in the
Maintenance and Specifications
chapter for more information.
Your vehicle may be equipped with a cold weather starting strategy that
prevents severe engine damage by assisting in engine lubrication
warm-up. In extremely cold ambient temperatures, this strategy activates
and prevents the accelerator pedal from being used for 30 seconds after
starting the vehicle. By not allowing the accelerator pedal to be used, the
engine oil is allowed to properly lubricate the bearings preventing engine
damage due to lack of proper lubrication. After the 30 second warm-up
period, the accelerator pedal will be operational again as long as the
pedal is not being pressed when the 30 second time limit expires. When
starting the engine in extremely cold temperatures (-15°F [–26°C]), it is
recommended to allow the engine to idle for several minutes before
driving the vehicle.
Ensure the gearshift lever is in P (Park) and the parking brake is fully
set before you turn the key. Do not press the accelerator during starting.
Engine-driven cooling fan (fan clutch)
Your vehicle is equipped with an engine driven cooling fan drive (also
called a fan clutch). This fan drive changes the fan speed to match the
vehicle’s changing cooling air flow requirements. Fan speed, fan noise
level and fuel consumption all will increase based on the driving
conditions that include trailer towing, hill climbing, heavy loads, high
speed and high ambient temperature, individually or in combination.
The fan drive is designed to provide the minimum fan speed (and
resulting minimum fan noise and fuel consumption) required to meet the
ever changing vehicle cooling air flow requirements. You will hear the
amount of fan noise increasing and decreasing as the engine power
requirements and vehicle driving conditions change as you drive. This is
to be expected as being normal to the operation of your vehicle. High
levels of fan noise might also be heard when your engine is first started,
and should normally decrease after driving for a short time.
Driving
8
2012 Diesel
(67l)
Supplement, 3rd Printing
USA
(fus)