PART 7: STARTING & OPERATING THE VEHICLE DRIVING TIPS AND TECHNIQUES
(R10/06) Y53-6007 – 113 –
CAUTION: Operating a vehicle with air sus-
pension bags either overinflated or underin-
flated may cause damage to driveline
components. If a vehicle must be operated
under such conditions, do not exceed 5 mph.
Driving Tips And Techniques
This section covers additional driving tips and techniques
on how to drive your Peterbilt more efficiently. For further
information, read the American Trucking Association's
(ATA) Truck Driver's Handbook. It will give you more tips
on starting, shifting, and driving your vehicle.
Coasting
WARNING! Do not coast with the transmis-
sion in neutral or with the clutch pedal
depressed—it is a dangerous practice. With
-
out the use of the retarding power of the driv-
etrain, your vehicle can reach dangerous
speeds. At very high speeds you may not be
able to put the transmission in any gear. At
high speeds you could seriously damage your
vehicle or cause an accident when you put the
transmission in gear. The engine speed could
exceed the maximum governed speed and
cause a serious accident due to mechanical
failures.
Do not coast with the transmission in neutral or with the
clutch pedal depressed. Besides being illegal and danger
-
ous, coasting is also expensive. It causes premature fail-
ure or damage to the clutch and transmission and
overloads the brake system.
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