2015 FORD F750 severe

Diesel Exhaust Fluid (DEF) area
DEF tanksVerify:
•Tanks and caps are secure
•There is no damage to the tanks.
LeaksInspect for leaks from the tanks.
Underbody
DriveshaftVerify:
•The driveshaft is not bent or cracked
•All driveshaft couplings are secure.
Exhaust systemVerify:
•The visible outside parts are securely mounted
•There are no cracks, holes or severe dents.
FrameInspect for cracks or bends in longitudinal frame
members.
Verify there are no loose, cracked, bent, broken
or missing crossmembers or crossmember
fasteners.
Rear of vehicle
Air hoses and
electrical linesVerify there are no cuts, cracks, chafing or wear
on the air hoses and electrical line insulation.
Listen for audible air leaks.
Verify air and electrical lines are not tangled,
crimped or pinched or being dragged against any
truck parts. None of the air or electrical line
should be spliced or taped.
Inspect for corrosion on pins and in electrical
sockets to verify continuity and reduced heat
build-up potential.
Deck plateVerify the deck plate is clean, bolted securely to
the frame and is clear of loose objects.
Turns signals,
brake lights and
flashersVerify:
•Both brake lights illuminate when the pedal is
applied
•Each signal flashes
•Four-way flashers work properly.
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2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

WARNING:Failure to replace the safety belt assembly under the
above conditions could result in severe personal injuries in the
event of a crash.
Energy Management Feature
•This vehicle has a safety belt system with an energy management
feature at the front outboard seating positions to help further reduce
the risk of injury in the event of a head-on crash.
•The front outboard safety belt systems have a retractor assembly that
is designed to pay out webbing in a controlled manner. This feature is
designed to help reduce the belt force acting on the occupant’s chest.
Safety Belt Extension Assembly
WARNING:Do not use extensions to change the fit of the
shoulder belt across the torso.
If the safety belt is too short when fully extended, you can obtain a
safety belt extension assembly from an authorized dealer.
Use only extensions manufactured by the same supplier as the safety
belt. Manufacturer identification is located at the end of the webbing on
the label. Also, use the safety belt extension only if the safety belt is too
short for you when fully extended.
Lap belts
The front center lap belt does not adjust automatically.
WARNING:The lap belt should fit snugly and as low as possible
around the hips, not across the waist.
Insert the tongue into the correct
buckle (the buckle closest to the
direction the tongue is coming from).
To lengthen the belt, turn the tongue at
a right angle to the belt and pull across
your lap until it reaches the buckle. To
tighten the belt, pull the loose end of
the belt through the tongue until it fits
snugly across the hips.
46Safety Belts
2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

SITTING IN THE CORRECT POSITION
WARNING:Do not recline the seat back as this can cause the
occupant to slide under the seat’s safety belt, resulting in severe
personal injury in the event of a crash.
WARNING:Do not place objects higher than the seat backs to
reduce the risk of injury in a crash or during heavy braking or
when stopping suddenly.
When you use them properly, the
seat, head restraint and safety belt
provide optimum protection in the
event of a crash. We recommend
that you follow these guidelines:
•Do not recline the seat back more than 30 degrees from vertical.
•Sit in an upright position with the base of your spine as far back as
possible.
•Adjust the head restraint so that the top of it is level with the top of
your head and as far forward as possible, remaining comfortable.
•Keep sufficient distance between yourself and the steering wheel. We
recommend a minimum of 10 inches (250 millimeters) between your
breastbone and the center of the steering wheel.
•Hold the steering wheel with your arms slightly bent.
•Bend your legs slightly so that you can press the pedals fully.
•Position the shoulder strap of the safety belt over the center of your
shoulder and position the lap strap tightly across your hips.
Make sure that your driving position is comfortable and that you can
maintain full control of your vehicle.
Seats79
2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

SAFETY PRECAUTIONS
WARNING:Do not overfill the fuel tank. The pressure in an
overfilled tank may cause leakage and lead to fuel spray and fire.
WARNING:The fuel system may be under pressure. If you hear
a hissing sound near the fuel filler inlet, do not refuel until the
sound stops. Otherwise, fuel may spray out, which could cause serious
personal injury.
WARNING:Automotive fuels can cause serious injury or death if
misused or mishandled.
WARNING:The flow of fuel through a fuel pump nozzle can
produce static electricity, which can cause a fire if fuel is pumped
into an ungrounded fuel container.
WARNING:Fuel ethanol and gasoline may contain benzene,
which is a cancer-causing agent.
WARNING:When refueling always shut the engine off and never
allow sparks or open flames near the filler neck. Never smoke
while refueling. Fuel vapor is extremely hazardous under certain
conditions. Care should be taken to avoid inhaling excess fumes.
Observe the following guidelines when handling automotive fuel:
•Extinguish all smoking materials and any open flames before refueling
your vehicle.
•Always turn off the vehicle before refueling.
•Automotive fuels can be harmful or fatal if swallowed. Fuel, such as
gasoline, is highly toxic and if swallowed can cause death or
permanent injury. If fuel is swallowed, call a physician immediately,
even if no symptoms are immediately apparent. The toxic effects of
fuel may not be visible for hours.
•Avoid inhaling fuel vapors. Inhaling too much fuel vapor of any kind
can lead to eye and respiratory tract irritation. In severe cases,
excessive or prolonged breathing of fuel vapor can cause serious
illness and permanent injury.
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2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

If you have run out of fuel:
•If your vehicle is equipped with dual fuel tanks, adding four–five
gallons (15–19 liters) of fuel is enough to restart the engine. If your
vehicle is out of fuel and on a steep grade, more than four–five
gallons (15–19 liters) may be required.
•The fuel system must be primed before attempting to restart the
engine. See your engine operator’s manual for instructions on priming
the engine.
•Use caution not to overheat and damage the starter by cranking the
engine for an excessive period. You may need to crank the engine for
a longer time than normal. If the engine fails to start in 30 seconds,
turn the ignition to the off position and wait for two minutes before
cranking the engine again.
•Any remaining trapped air self-purges from the fuel system once the
engine starts running.
•The engine may run rough and produce white smoke while air is in
the fuel system. This is normal and should stop after a short period.
SeeGeneral informationin theInformation Displayschapter for
information on Miles to Empty.
REFUELING
WARNING:Fuel vapor burns violently and a fuel fire can cause
severe injuries. To help avoid injuries to you and others:
•Read and follow all the instructions on the pump island.
•Turn off your engine when you are refueling.
•Do not smoke if you are near fuel or refueling your vehicle.
•Keep sparks, flames and smoking materials away from fuel.
•Stay outside your vehicle and do not leave the fuel pump unattended
when refueling your vehicle - this is against the law in some places.
•Keep children away from the fuel pump; never let children pump
fuel.
•Do not use personal electronic devices while refueling.
Use the following guidelines to avoid electrostatic charge build-up when
filling an ungrounded fuel container:
•Place approved fuel container on the ground.
•DO NOT fill a fuel container while it is in the vehicle (including the
cargo area).
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Owners Guide gf(ownloose), 1st Printing, December 2013
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We do not recommend, or approve, performing axle conversions.
However, we understand that, on occasion, others install aftermarket
add-on axles on the truck chassis that allow operator control for weight
transfer from other axles (such as air lift axles).
TWO-SPEED REAR AXLE (IF EQUIPPED)
WARNING:Never shift a two-speed axle when descending a
steep grade as this may cause loss of vehicle control and result in
personal injury.
Note:Do not shift between ranges when the speed control is on.
A two-speed rear axle allows the
driver to select a low range for
greater pulling power and a high
range for greater road speed and
fuel economy. You can also use
these ranges to provide extra steps
between transmission shifts when
driving on steep grades or fuel
economy may be factors.
Axle Shifting with a Manual Transmission
To downshift, select the next lower gear, release and press the
accelerator pedal rapidly, or while holding the accelerator pedal down,
release and engage the clutch rapidly.Note:Use the clutch method
when driving at slower speeds.
To upshift, keep the accelerator pedal down, select the next higher gear,
release the accelerator and pause until the axle upshifts.Note:
De-clutch for smoother axle upshifts when driving at slower speeds.
Axle Shifting with an Automatic Transmission
Note:You cannot split-shift with an automatic transmission. In addition,
downshifting above 40 mph (64 km/h) may result in transmission or axle
damage.
Note:Do not shift the axle to LOW with your vehicle is moving.
Use LOW when you drive a fully loaded vehicle on a severe grade or in
congested traffic. Press the upper portion of the switch.
Use HIGH for all normal driving conditions with a lightly loaded or
partially loaded vehicle. Press the lower portion of the switch.
2SPD
LOW
HIGH
136Transmission
2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

PRINCIPLES OF OPERATION
The traction control system helps avoid drive wheel spin and loss of
traction.
If your vehicle begins to slide, the system applies the rear brakes to
individual wheels and, when needed, reduces engine power at the same
time. If the wheels spin when accelerating on slippery or loose surfaces,
the system reduces engine power in order to increase traction.
Note:The system does not apply the brakes when vehicle speed is
above 25 mph (40 km/h).
USING TRACTION CONTROL
WARNING:Aggressive driving in any road conditions can cause
you to lose control of your vehicle increasing the risk of severe
personal injury or property damage. The occurrence of a traction
control event is an indication that at least some of the tires have
exceeded their ability to grip the road; this may lead to an increased
risk of loss of vehicle control, vehicle rollover, personal injury and
death. If you experience a severe road event, SLOW DOWN.
Press the switch to select Off Road
or Mud/Snow traction mode. This is
beneficial when your vehicle is
stuck in snow or on a slippery road
surface. This mode allows excess
wheel spin to dig your vehicle out
and allows you to rock your vehicle.
Press the switch again to select standard traction control. The system
automatically selects standard traction control at the next ignition cycle.
MUD/SNOW
TRACTION
Traction Control155
2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)

OPERATING YOUR VEHICLE
General Information
•Start the vehicle moving by using the highest gear speed in the
transmission that lets 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, press the accelerator smoothly to start the
incline at full power, and then shift down as needed to maintain
vehicle speed.
•When going down a hill, or long steep grades, prevent overspeeding
of the engine. Normally, choose the same gear to descend the hill that
you use to ascend the hill. The engine governor has no control over
engine speed when it is being pushed by a loaded vehicle.
•Do not operate in a gear that permits an engine speed more than the
maximum governed speed or high-idle RPM (no load).
•Always shift to a lower gear at high altitudes to prevent engine
smoking.
Backing Up
WARNING: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.
WARNING:To reduce the risk of the possibility of personal
injury while backing up the vehicle, always be sure your vehicle’s
path is clear.
Before backing up your vehicle, be sure you can do so safely. If anything
behind the cab limits your view, do not rely on mirrors alone to make
sure that your intended path is clear. If other people are in the vicinity,
have someone standing well behind your vehicle and outside of your
intended path (visible through an exterior mirror) guide you as you back
up.
Although OSHA or some governmental regulations may require the use
of an electrical or mechanical back up alarm to warn bystanders, such an
alarm does not guarantee that the intended path is clear. When in doubt,
get out of your vehicle and visually check the intended path is clear.
Back up slowly as to allow others time to move, if necessary.
Driving Aids159
2015 F-650/750(f67)
Owners Guide gf(ownloose), 1st Printing, December 2013
Canadian_French(fr_can)