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WARNING
The ABS system cannot cope with too
great a difference in tire diameter and
the system will automatically be disen-
gaged. Consequently, the ABS warn-
ing symbol will be shown in the master
display.
Depending on the tire types on the front
and rear axle, this phenomenon may
already with a worn tire that is
underinflated by 2 bar. So first check the
tire pressure if the warning indicator is on
after a tire has been replaced.
WARNING
Hence, there will be no ABS control
under extreme conditions!
This is the reason why the maximum
permitted difference in tire diameter for
new tires are 14%.
(This may occur when different tire sizes
are fitted on the front or rear axles.)
WARNING
When removing a wheel with a
cracked or damaged wheel rim, al-
ways deflate the tire (remove the tire
valve) in view of possible tensions in
the wheel rim.
General
•
Only use the original tire wheel
rims specified for the vehicle
concerned.
•
Make sure that tires of the same
type are fitted on both sides of the
axle.
•
Insufficient cleaning of the mating
surfaces and/or uneven tightening
of the wheel nuts may cause
vibrations during driving or braking.
NOTE
If a wheel stud is renewed, the other
wheel studs on the relevant wheel
must also be renewed.
Removing the Wheel
1. Chock the wheels to prevent the
vehicle moving off.
2. Clean the screw thread of the wheel
studs using a wire brush.
3. Oil the wheel studs sparingly.
4. Unscrew the wheel nuts.
5. Fit a jack under the jacking point at the
wheel to be replaced.
6. Jack up the vehicle and place a
support under the axle.
7. Remove the wheel nuts and take the
wheel off the hub.
Installing the Wheel
1. Clean the fitting edge of the wheel hub
by scraping off dirt and corrosion with
a scraper.
EMERGENCY - Changing the Wheel
Y53-6078-1B1 (12/18/18)
23
2
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Страница 5: ...Safety 1 Emergency 2 Controls 3 Driving 4 Maintenance 5 Information 6 Contents ...
Страница 32: ...EMERGENCY Fuses 30 Y53 6078 1B1 12 18 18 2 ...
Страница 128: ...INFORMATION Operator s Manual Supplement 126 Y53 6078 1B1 12 18 18 6 ...
Страница 130: ...128 Glossary ...
Страница 134: ...Index 132 Y53 6078 1B1 12 18 18 ...
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Страница 136: ...Y53 6078 1B1 12 18 18 Printed in U S A Peterbilt Motors Company A PACCAR Company P O Box 90208 Denton Texas 76202 ...