AIR SYSTEM AIR SYSTEM WARNING! WARNING! Introduction Prior to the removal of any air sys- tem 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 unexpect- edly resulting 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. Never connect or disconnect a hose or line containing air pressure. It may whip as air escapes. Never re- move a component or pipe plug un- less you are certain all system pres- sure has been depleted.
Failure to comply may result in death, personal injury, equipment or property dam- age. WARNING! Do not attempt to modify, alter, repair or disconnect any component of the air system. Repairs or modifications 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! WARNING! Never exceed recommended air pressure and always wear safety glasses when working with air pres- sure. Never look into air jets or direct them at anyone. Failure to comply may result in death, personal injury, equipment or property damage.
After completing any repairs to the air system, always test for air leaks, and check the brakes for safe opera- tion before putting the vehicle in ser- vice. Failure to comply may result in death, personal injury, equipment or property damage. 5 (03/17) Y53-6077-1B1 5-57