Check the diaphragm for damage (i.e. , holes, cuts or deformation). Replace damaged diaphragm
Check the height of the regulator lever assembly as follows:
With the regulator cover and diaphragm removed, place a straight edge across the top of the
If the regulator is properly adjusted the straight edge should be flush with (just touch) the end of
the short lever arm (16) without exerting pressure on the lever assembly
If adjustment is required, loosen the lever assembly locknut (17)
Using a fine flat blade screw driver, turn the adjusting screw (18) clockwise to raise or
counterclockwise to lower the lever arms until the short lever arm (16) is flush with the straight
Secure the adjusting screw (18) by holding it in place with the screwdriver and tightening the
lever assembly locknut (17)
Repeat the static pressure test. If static pressure is still low, refer to paragraph 3-9. 2. 6 to replace
If the problem persists, replace the EBA. Notify your supervisor.
Ensure flow valve (4) is closed by turning it clockwise.
Turn off the remote air supply.
Close regulator valve (15).
Open cylinder valve (19) and repeat steps n. through r. to test the cylinder air supply.
Close cylinder valve (19) and regulator valve (15).
Unplug electrical connection (5) from the electrical outlet.
Ensure the cylinder valve and the regulator valve are closed and that the system is depressurized.
Disconnect remote air supply line (13) from tether line connection (14).
Remove breathing tube (10) from inlet connection (6).
Connect face piece (12) to breathing tube (10).
Disconnect breathing tube (10) from EBA regulator outlet (11).