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Peterbilt 579 - Air System Maintenance

Peterbilt 579
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AIR SYSTEM
5
AIR SYSTEM
Introduction
WARNING!
Do not attempt to modify, alter, repair
or disconnect any component of the
air system. Repairs or modications
to the air system, other than what is
described in this section, should only
be performed by an authorized dealer.
Failure to comply may result in death
or personal injury.
WARNING!
Prior to the removal of any air system
component, always block and hold the
vehicle by a secure means other than
the vehicle's own brakes. Depleting
air system pressure may cause the
vehicle to roll unexpectedly result
-
ing in an accident causing death or
personal injuries. Keep hands away
from chamber push rods and slack
adjusters, they may apply as system
pressure drops.
After completing any repairs to the air
system, always test for air leaks, and
check the brakes for safe operation
before putting the vehicle in service.
Failure to comply may result in death,
personal injury, equipment or property
damage.
WARNING!
WARNING!
Never connect or disconnect a hose
or line containing air pressure. It may
whip as air escapes. Never remove a
component or pipe plug unless you are
certain all system pressure has been
depleted. Failure to comply may result
in death, personal injury, equipment or
property damage.
Never exceed recommended air pres-
sure and always wear safety glasses
when working with air pressure. Never
look into air jets or direct them at any
-
one. Failure to comply may result in
death, personal injury, equipment or
property damage.
WARNING!
5-48 Y53-6047–2C (04/13)

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