Supporting Your Vehicle for Service
WARNING:Do not use a jack when working under a vehicle. It
may give way, causing the vehicle to fall and result in property
damage, personal injury or death. Always use floor stands to support
the vehicle.
Prepare the vehicle for service repairs by doing the following:
1. Park the vehicle on a level, concrete floor.
2. Set the parking brake and block the wheels to prevent the vehicle
from moving.
3. Select a jack with a rated capacity sufficient to lift and hold up the
vehicle.
4. Raise the vehicle with the jack applied to the axle(s). DO NOT use
the bumper as a lifting point.
5. Support the vehicle with floor stands under the axle(s). If the axle or
the suspension is being serviced, support the vehicle with floor
stands under the frame side-members, preferably between the axles.
Frame and Tow Hooks
Your vehicle’s chassis is manufactured with frame rails of either HSLA
steel or heat-treated steel. Each must be handled in a specific manner to
make sure maximum service life. Consult the service manual or your
dealer before attempting frame repair or modification.
It is important, particularly on vehicles where the tow hooks are used
frequently, to inspect the front and rear tow hooks for damage or a loose
mounting.
OPENING AND CLOSING THE HOOD
WARNING:The parking brake must be fully set before opening
the hood or possible personal injury may occur.
WARNING:To reduce the risk of the possibility of personal
injury, never stand beneath the hood when it is being raised or
lowered.
WARNING:If you must leave the engine running while checking
under the hood, do not allow any loose clothing, jewelry, hair or
other items to get near moving engine components or possible personal
injury may occur.
Maintenance215
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USA(fus)
SPRING U-BOLT CHECKS
Check U-bolt nuts and re-torque every 36000 miles (60000 kilometers)
after initial 1000 mile (1600 kilometer) re-torque. The U-bolt and nut
threads and seats should be cleaned and lubricated to make sure peak
condition when re-torqued.
U-bolt Nut Torque
Suspension ft-lb N•m
Front axle – 8500 lb (3856 kg) 180-200 244-271
Front axle – 10000 lb (4536 kg) and higher 260-300 353-407
Rear axle with multi-leaf 260-300 353-407
Rear axle with IROS air suspension 370-400 502-542
Rear axle with Hendrickson air suspension 400–450 542–610
See air suspension U-bolt re-torquing and installation information below.
Air Suspension U-bolt Checks and Re-torquing Procedures
1. Inspect the threads of the U-bolt and nut for rust and debris. Clean
the threads if contaminated.
2. Using a torque wrench, determine if any nuts can be turned with a
force below the specified torque.
3. Using the lowest discovered torqued nut as a starting point,
re-tighten the nuts using the sequence listed underAir suspension
U-bolt and U-bolt nut installation.
Air Suspension U-bolt and U-bolt Nut Installation
1. Inspect the threads of the U-bolt and nut for rust and debris. Clean
the threads if contaminated.
2. Install the U-bolts and nuts and torque the nuts to seat the cap flat
which is about 18 ft-lb (25 N•m) using a diagonal pattern. Use the
same diagonal pattern for each of the following U-bolt nut re-torque
steps.
3. Tighten U-bolt nuts in increments of 74 ft-lb (100 N•m) until
tightened to final torque for the particular suspension.
228Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Rotating tires from one wheel position to another is a way often used to
even out many types of irregular wear or to avoid it altogether. Some of
the more effective tire rotation programs are:
•Steer tires that have developed some type of irregular wear pattern
can be rotated to drive axles if rib tires are being used on all wheel
positions. Applying steer tires to a drive position often cleans them
and they can be moved back to the steer axles or run out to re-tread
stage on the rear axle.
•Another rotation possibility for fleets with rib tires in all wheel
positions is to break in the new steer tires in the drive axle positions,
then move them to steer axles. This wears away tread rubber
relatively quickly in the early life of a tire when it is most likely to
develop an unusual wear pattern.
•Drive axle tires may be placed on the other end of the same axle so
that direction of rotation is reversed. This is often helpful if a heel
and toe or alternate lug wear pattern has developed.
Irregular wear can be minimized by:
•Using the right inflation pressure for the load being carried.
•Maintaining proper front wheel alignment, especially toe-in, to
specifications.
•Maintaining proper tire and wheel balance.
•Maintaining shock absorbers and suspension components.
Use of Tire Chains
See the chain manufacturer’s recommendation for correct tire chain
usage, installation and removal.
WHEELS
General Information
Note:Remember to replace the wheel air valves when the road tires are
replaced at the end of their useful lives.
Wheel bearings should be inspected, lubricated and adjusted at regular
intervals. This is especially important if operating in deep sand, mud or
water. See theCapacities and Specificationschapter.
Mount wheel balance weights on the dome-side of the wheel only. Failure
to do so may result in loss of wheel weight or damage to brakes or
wheels.
258Wheels and Tires
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Daily Owner Checks
U.S. Department
of Transportation,
Federal Highway
Administration
Requirements
(Make sure the
entire system is
functioning
properly.)Service brakes and parking brake.
Steering mechanism.
Lighting devices and reflectors.
Tires.
Horn.
Windshield wipers.
Rear vision mirrors.
Wheels and rims.
Emergency equipment.
Every Oil Change
EngineInspect engine cooling system hoses, clamps and
protection.
*
Inspect drive belt(s).
Exhaust SystemInspect entire exhaust system (including the inlet
pipe(s), muffler(s), outlet pipe(s), clamps and
fasteners) for holes, leakage, breakage, corrosive
damage and separation from other components.
Adjust, service or replace with the same or the
equivalent part. (Also a noise emission control
service.)
SuspensionTighten the front and rear spring U-bolts to the
specified torque.
Driveline and
Rear AxleLubricate the U-joints and the slip yoke.
BrakesLubricate the air brake foot control valve, hinge
and roller.
Inspect the drum brake linings through the
inspection holes.
Lubricate the rear caliper slide rails.
Lubricate the brake camshafts and slack adjuster
(air brakes only).
Inspect the disc brake pads and the piston boots
(hydraulic brakes only).
Scheduled Maintenance285
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USA(fus)
911 Assist™ ..............................338
A
ABS (see Brakes) .....................148
Accessing call history/phone
book during active call .............328
Accessing your media menu
features ......................................350
Accessing your phone menu
features ......................................329
Active call menu options .........328
Advanced menu options ...336, 357
Advanced menu options
(prompts, languages, defaults,
master reset, installing
applications) ..............................336
Air cleaner filter ...............236, 280
Air conditioning ..........................88
manual heating and air
conditioning system .................88
Air filter .............................236, 280
Air suspension ...........................171
Antifreeze (see Engine
coolant) .....................................219
Anti-lock brake system
(see Brakes) ..............................148
AppLink™ .................................346
Audio system
Single CD ............................79–80
Audio system (see Radio) ...79–80
Automatic transmission ....136–137
fluid, adding ............................223
fluid, checking ........................223
fluid, refill capacities ..............277
fluid, specification ..................264
Auxiliary input jack (Line in) ....82Auxiliary powerpoint ................101
Axle ............................143, 207, 226
lubricant specifications ..........264
refill capacities ........................277
B
Battery .......................................233
acid, treating emergencies .....233
jumping a disabled battery ....185
maintenance-free ....................233
replacement, specifications ...280
servicing ..................................233
Booster seats ...............................31
Brakelamp
bulb replacement ....................239
Brakes ........................147–148, 208
adjustment ..............................211
anti-lock ...................................148
anti-lock brake system (ABS)
warning light ...........................148
brake warning light ................148
fluid, checking and adding ....229
fluid, specifications .................264
parking ....................158, 161, 211
shift interlock ..........................136
trailer .......................................176
Bulbs ..........................................241
C
Catalytic converter
(see Emission control) .............213
CD ..........................................79–80
CD player ....................................77
Cell phone use ............................12
Child safety seats
attaching with tether straps ....36
LATCH .......................................36
372Index
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)