Peterbilt 579 - Driving with Deflated Air Springs

SUSPENSION
Driving with
Deated Air
control arm to center in the closed
Springs
position.
If an
air spring is ruptured, there will
be enough air pressure to drive the
vehicle to a safe stop off the highway
2. The air
system can then be
pumped up to normal pressure for
continued operation.
to investigate
the problem.
WARNING!
Do not continue to drive with ruptured
air springs. The air loss can cause the
spring brakes to apply allowing your
brakes to drag and burn up the linings,
which could lead to an accident caus
-
ing death or personal injury. Do not
continue to operate the vehicle in this
condition.
You can get to a repair facility if you do
the following:
1. Remove the
height control link
connected to the axle and to
the suspension air valve control
arm. This will cause the air valve
WARNING!
Do not drive the vehicle if the air pres-
sure is less than 100 psi (690 kPa).
Driving the vehicle with less than 100
psi (690 kPa) could make the brakes
unsafe to use which could cause an
accident involving death or personal
injury.
Operating a vehicle with air suspen-
sion bags either overinated or under-
inated may cause damage to drive
-
line components. If a vehicle must
be operated under such conditions, do
not exceed 5 mph (8 km/h).
CAUTION
4
(04/13) Y53-6047–2C 4-51