Release all air pressure from air lines if possible.
Disconnect release cable (Figure 1, Item 2) from dump valve (Figure 1, Item 3).
Wear eye protection when dump valve is not operating properly, as air pressure may not
be relieved from air tank. Use extreme caution when removing dump valve. Failure to
comply may result in death or injury to personnel. Seek medical attention in the event of
Remove dump valve (Figure 1, Item 3) from front or rear air reservoir (Figure 1, Item 1).
Dump Valve Removal.
END OF TASK