Setting Ride Height - Paccar Peterbilt 587 Owner's Manual

SETTING RIDE HEIGHT

2. If you are parked on a steep grade, block the wheels
.
Blocked Wheels
3. Drain water from the air reservoirs. While the engine
and air supply system are still warm, drain moisture
from the air reservoirs. Open the reservoir drains just
enough to drain the moisture. Don't deplete the entire
air supply. Be sure to close the drains before leaving
the vehicle.
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4. Secure the vehicle. Close all the windows and lock all
Setting Ride Height
Vehicles equipped with rear air suspensions have their
ride height and axle (pinion) angle(s) preset at the factory.
These are precision settings and should not be altered.
Incorrectly adjusted ride height may result in improper
interaxle U-joint working angles. This can result in prema-
ture driveline wear and driveline vibration. If your vehicle
Y53-6032
PART 7: STARTING & OPERATING THE VEHICLE
Opening Drains
the doors.
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