Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
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Tires and Wheels<br />
Speed Restricted Tires<br />
WARNING! This vehicle may be equipped with<br />
speed restricted tires. Check each tire’s sidewall<br />
for maximum rated speed. Vehicle should<br />
not be operated at sustained speed in excess<br />
of maximum rated speed. Failure to comply<br />
with these speed restrictions could cause<br />
sudden tire failure which can result in property<br />
damage or personal injury.<br />
Tire Inspection and Replacement<br />
Visually inspect your tires frequently for any abnormal conditions<br />
such as scrapes, bulges, and uneven wear. This must<br />
be done immediately <strong>after</strong> known or suspected contact with<br />
an object in the road, with a pothole, road irregularity or <strong>after</strong><br />
severe braking. Refer these conditions to an Authorized Tire<br />
Service Center for repair or replacement. Never drive on a<br />
tire if such conditions appear.<br />
If the tire looks underinflated, stand off to the side and check<br />
for damage to the wheel assembly. This can be done by visually<br />
comparing the wheel in question to other wheels on the<br />
Preventive Maintenance<br />
vehicle. For dual wheel assemblies, check between the<br />
wheels for damage. If any damage is found, or you suspect<br />
damage, do not attempt further repair. Call for expert tire service.<br />
Tire Inflation and Loading<br />
Low pressure is a tire's worst enemy. Underinflation allows<br />
tires to flex improperly, causing high temperatures to build up.<br />
Heat causes early tire damage such as flex break, radial<br />
cracks, and ply separation. And low pressure may affect control<br />
of your vehicle, especially at the front wheels.<br />
WARNING! Do not operate vehicle with underinflated<br />
tires. The extra heat caused by underinflation<br />
can cause sudden tire failure such as a tire<br />
fire or blow out. Low pressure may affect control<br />
at the front wheels, which could result in an accident<br />
and serious injury. Keep your tires inflated<br />
to the manufacturer's recommended air pressure.<br />
– 170 – Y53-6008 <strong>Medium</strong> <strong>Duty</strong> (R10/06)