High Beam
It illuminates when the headlamp high beam is switched on.
Low Fuel Level (gasoline engine only)
It illuminates when the fuel level is low or near empty. Refuel
as soon as possible.
Parking Brake Warning
It momentarily illuminates when the ignition is switched to the
on position (with the engine off). It also illuminates when the
parking brake is engaged. If the parking brake warning lamp
does not illuminate at these times, seek service immediately.
Vehicles equipped with the Power Park Parking Brake option:If
the park brake warning lamp begins to blink after setting the parking
brake on your vehicle, this may indicate a failure in the parking brake
system. Seek service from your dealer immediately.
Powertrain Malfunction/Reduced Power/Electronic Throttle
Control (gasoline engine only)
It illuminates when a powertrain fault has been detected.
Contact your authorized dealer as soon as possible.
Service Engine Soon
It illuminates when the ignition is first switched to the on
position to check the bulb and to indicate whether the vehicle
is ready for Inspection/Maintenance (I/M) testing.
Solid illumination after the engine is started indicates the on-board
diagnostics system (OBD-II) has detected a malfunction.
WARNING:Under engine misfire conditions, excessive exhaust
temperatures could damage the catalytic converter, the fuel
system, interior floor coverings or other vehicle components, possibly
causing a fire.
P
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INFORMATION MESSAGES
Note:Depending on the vehicle options equipped with your vehicle, not
all of the messages display or are available. Certain messages may be
abbreviated or shortened depending upon which cluster type you have.
Press the OK button to acknowledge and remove some messages from
the information display. Other messages are removed automatically after
a short time. Certain messages need to be confirmed before you can
access the menus.
Battery and
Charging System
MessagesAction / Description
CHECK CHARGING
SYSTEMDisplayed when the charging system needs
servicing. If the warning stays on or continues
to come on, contact your authorized dealer as
soon as possible.
Brake System
MessagesAction / Description
BRAKE FLUID
LEVEL LOWDisplayed when the brake fluid level is low
and the brake system should be inspected
immediately. SeeBrake fluid checkin the
Maintenancechapter.
CHECK BRAKE
SYSTEMDisplayed when the brake system needs
servicing. If the warning stays on or continues
to come on, contact your authorized dealer as
soon as possible.
PARK BRAKE
ENGAGEDDisplayed when the parking brake is set and
the vehicle is in motion.
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3. The accelerator pedal, service brake pedal, and clutch pedal
(if equipped) must not be pressed.
4. The parking brake must remain set.
On average (depending on filter level and other factors), the process
takes 20–30 minutes to complete. The DPF lamp turns off when the
process is complete. Repeat Steps 1–5, if parked regeneration is
interrupted.
To Discontinue Parked Regeneration
Press any of the floor pedals to discontinue parked regeneration.
Maintenance and Service
The DPF is designed to retain a relatively large amount of residual ash
and provide many miles and hours of maintenance-free operation. At
some point, generally beyond 150000 miles (240000 kilometers) or
5000 hours of operation (whichever comes first), the DPF requires
professional cleaning to remove the accumulated ash.
The exact number of miles or hours of operation varies greatly
depending upon vehicle and engine loading and operating conditions, ash
content of the engine oil, and quality of the diesel fuel used in your
truck. Adhering to your engine manufacturer’s recommended oil and fuel
specifications maximizes the miles and hours of operation before a DPF
professional cleaning is required. See your engine manufacturer’s owner’s
manual for more details regarding recommended maintenance and
service of your DPF.
Exhaust Outlet Assembly
WARNING:The normal operating temperature of the exhaust
system is very high. Never work around or attempt to repair any
part of the exhaust system until it has cooled. Failure to follow these
instructions may result in serious personal injury.
Note:Do not modify or remove this device. Modification of the system
or additions of aftermarket devices can reduce the effectiveness of the
system, as well as cause damage to the exhaust system or engine. Any
modifications may also invalidate the vehicle and/or engine warranties.
See your warranty information.
Note:Blocked or plugged holes or modification to, or removal of, the
outlet assembly could result in elevated exhaust temperatures which may
result in vehicle or property damage or personal injury.
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Cooling System:
•Inspect the fan for blade damage. If damage is found, replace with
the recommended parts. Inspect for fan-to-shroud interference and
any damage to shroud, such as cracks and holes.
•Do not change fan ratio or alter fan spacer dimensions and positions.
•Inspect fan clutch for proper operation. Make sure the fan is
disengaged when cooling of the engine is not required.
•Inspect radiator shutters (if equipped) for proper operation. The
shutters should be open during normal operating temperatures.
Engine:Valve covers and block covers are made to damp-out engine
mechanical noise and, if needed, should be replaced with recommended
parts. Check for mechanical isolations.
Transmission Enclosure:Inspect for cracks, holes and tears. Clean any
deposits, such as oil, dirt and stones.
Exhaust System:
•Inspect for leaks at various joint connections and loose clamps.
•Perform a visual inspection for cracks or holes in the muffler and tail
pipe.
•Always use the recommended parts when items need to be replaced.
•Do not change the tail pipe elbow or offset tail pipe orientation from
the standard position as originally received.
•To avoid abnormal changes in vehicle sound levels, it is necessary for
the owner to perform inspections and necessary maintenance at the
intervals shown in theScheduled Maintenancechapter.
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Shifting with a Non-Synchronized Transmission
SeeClutch brakeandDouble clutch proceduresin theClutchsection
of this chapter.
Clutch
Do not ride or slip the clutch as this causes unnecessary heat and wear.
Maintain the specified clutch adjustment to prolong its life and regularly
inspect the clutch control linkage for tightness. See theScheduled
Maintenancechapter for other maintenance information. When
adjustment of the clutch is necessary, it is very important that the work
be performed properly or early clutch failure may result and a costly
clutch overhaul may become necessary. Clutch work should only be
performed by a qualified technician.
Note:Continued use of a damaged or worn clutch, prolonged clutch
slippage or downshifting at excessive speeds can result in a failure of the
engine, transmission or clutch components.
Note:To avoid premature clutch wear and failure, do not drive with
your foot resting on the clutch pedal or use it to hold the vehicle at a
standstill on an upgrade as when waiting for a traffic light.
Engaging the Clutch
•Always start in the proper gear.An empty vehicle can start in a
higher gear than a fully-loaded vehicle. Starting in too high a gear can
cause clutch slippage and excessive heat and wear on the clutch. A
gear that starts the vehicle moving at idle speed is the correct gear. If
the engine has to be revved to get the vehicle going, the gear
selection is too high.
•Do not shift until the vehicle has reached the proper speed.
Upshifting before the vehicle has reached the proper speed can cause
clutch slippage and excessive heat and wear on the clutch.
•Never hold a vehicle on a grade with the clutch.This causes the
clutch to slip and can actually burn up the clutch.
•Never coast with the clutch disengaged.The high RPM
(sometimes over 10000) can actually burst the facing material of the
clutch.
•Never engage the clutch while coasting.Re-engaging the clutch
after coasting may not only cause a great shock to the clutch, but the
whole drivetrain. Internal engine damage or clutch and flywheel
failure can result from this.
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Allison 3000 Series Push-Button Shifter
To shift to Reverse or Drive:
1. Press the brake pedal.
2. Press R or D on the shifter.
3. Release the brake pedal.
To select a higher range when in
Drive, press the up arrow button.
To select a lower range when in
Drive, press the down arrow button.
To place the transmission in Neutral,
press N.
Allison 3000 Prognostics
This transmission is equipped with the Allison Prognostics feature that
can alert the driver to needed transmission maintenance and
transmission fluid and filter life. See the separate Allison transmission
manual for complete details.
POWER TAKE-OFF (PTO) OPERATION (IF EQUIPPED)
A PTO unit allows the transmission to power auxiliary equipment to run
devices such as snowplows, aerial lifts, tow truck lifts, cement mixers or
dump trucks.
Vehicles Equipped with an Allison Automatic Transmission
(Except 3000 Series)
The PTO can be operated while the vehicle is standing or moving.
To engage the PTO, apply the brakes and shift to any gear other than
positionN,then engage the PTO.
If engagement is prevented by the gear teeth not meshing properly,
release the brakes and allow the vehicle to creep slightly or shift the
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Air Chamber Stroke Indication
Air chamber push rods have orange stroke indicator markers that warn
when the braking system requires adjustment or repair. The orange
stripe is painted on the air chamber push rod at the slack adjuster stroke
dimension which requires service when visible during brake application.
Air brake inspection and adjustment or repairs should be performed by a
qualified service technician in accordance with the instructions in the
service manual.
Cam Brakes - Automatic Slack Adjusters
WARNING:Do not manually adjust the automatic slack adjusters
to correct excessive push rod stroke as it may result in reduced
brake effectiveness and a vehicle crash. Excessive push rod stroke
indicates that a problem exists with the automatic adjuster, with the
installation of the adjuster, or with foundation brake components that
manual adjustment does not remedy. Seek service from a qualified
facility for excessive push rod stroke.
Standard air brakes (cam) are
equipped with automatic brake
adjusters. Automatic adjustment
occurs during brake applications.
Inspect brakes for proper
adjustment at the intervals listed in
theScheduled Maintenance
chapter.
Emergency Air Brake
WARNING:Do not continue to operate the vehicle with a failure
of one of the brake systems. Take the vehicle to your dealer for
service immediately.
All vehicles are equipped with a dual brake system. In the unlikely event
of a failure of one system, the second system functions for emergency
stopping. These systems are all controlled by the brake pedal in the
same manner as for normal stops.
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*Specific GCWR and maximum trailer weight applicable to a given
F–650/750 model is dependent on many variables including transmission
capability. Check with your sales consultant for the exact rating on your
vehicle.
ESSENTIAL TOWING CHECKS
Service your vehicle more frequently if you tow a trailer. See your
scheduled maintenance information.
For load specification terms found on the Tire Label and Safety
Compliance Certification Label and for instructions on calculating your
vehicle’s load, seeLoad limitin theLoad Carryingchapter.
Hitches
Do not use a hitch that either clamps onto the bumper or attaches to the
axle.
Distribute the trailer load so 10-15% of the total trailer weight is on the
tongue.
Safety Chains
Note:Do not attach safety chains to the bumper.
Always connect the trailer’s safety chains to the frame or hook retainers
of your vehicle hitch.
To connect the trailer’s safety chains, cross the chains under the trailer
tongue and allow enough slack for turning tight corners. Do not allow the
chains to drag on the ground.
Trailer Brakes
WARNING:Do not connect a trailer’s hydraulic brake system
directly to your vehicle’s brake system. Your vehicle may not have
enough braking power and your chances of having a crash greatly
increase.
Electric brakes and manual, automatic or surge-type trailer brakes are
safe if installed properly and adjusted to the manufacturer’s
specifications. The trailer brakes must meet local and federal regulations.
The braking system of the tow vehicle is rated for operation at
the GVWR not GCWR.
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