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CAT: 8612 November 2019
OPERATING INSTRUCTIONS
DRIVING TIPS AND TECHNIQUES
This section covers additional driving tips and techniques on how to drive
your Kenworth more efficiently. It will give you information on starting,
shifting and driving your Kenworth vehicle.
Coasting
Do not coast with the transmission in neutral or with the clutch pedal
depressed. It is a dangerous practice. Without the use of the retarding
power of the drivetrain, 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.
Besides being illegal and dangerous, coasting is also expensive. It
causes premature failure of, or damage to, the clutch and transmission
and overloads the brake system.
Coasting with the transmission in neutral also prevents proper transmission
component lubrication. During coasting the transmission is driven by the
rear wheels and the countershaft gear (which lubricates the transmission
components by oil splash) will only be turning at idle speed.
Descending a Grade
Do not hold the brake pedal down too long or too often while going
down a steep or long grade. This could cause the brakes to overheat
and reduce their effectiveness. As a result, the vehicle will not slow
down at the usual rate.
To reduce the risk of personal injury and/or an accident, before going
down a steep or long grade, reduce speed and shift the transmission
into a lower gear to help control your vehicle speed. Failure to follow
procedures for correct downhill operation could result in loss of
vehicle control.
Summary of Contents for T410
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