3-9. EMERGENCY BREATHING APPARATUS CFBA) MAINTFNANCF INSTRUCTIONS. (CONT)
i. Close the cylinder valve (1).
j. Turn off the remote air supply and disconnect the remote air supply line.
k. Close the regulator valve (2).
I. Slowly open, then close, the regulator valve (2) to ensure there is not pressure remaining in the system.
m. Replace the dust cover (3) over the regulator outlet (4).
a. Using a screwdriver, remove the screws holding warning light (1) to face piece (2) and remove warning light (1).
Equipment corrosion hazard. Do not submerge the EBA electrical connector or warning light in water.
These components will corrode and cause the warning system to fail and require replacement of the
electrical connector or warning light.
b. Tape a plastic bag over electrical connector (3) and warning light (1) to keep them dry.
c. Unscrew breathing tube (4) from communication piece (5).
*U.S. GOVERNMENT PRINTING OFFICE: 1995-655-121/20130