Perform the following checks and tests:
EBA regulator damage. Follow the correct procedures when preparing or operating the EBA. Opening the
regulator valve and cylinder valve out of sequence may cause damage to the regulator and require
regulator replacement prior to use.
Test warning light (4) as follows:
Depress the button and turn regulator valve (5) clockwise to close it.
Open cylinder valve (6) by turning it slowly counterclockwise.
The warning light should burn steadily.
Cover regulator valve outlet (7) with your palm and open regulator valve (5) by turning it
counterclockwise until it clicks.
Close cylinder valve (6) by turning it clockwise.
Slowly remove your palm from regulator valve outlet (7) and release the trapped air.
The warning light should begin flashing.
Close the regulator valve (5).
Check the system for leaks as follows:
Install the dust cap over the regulator outlet (7).
Place your hand over the dust cap and regulator outlet (7).
Open the cylinder valve (6).
Open the regulator valve (5) and listen for leaks.
If leaks are suspected, refer to paragraph 3-9.3.3 to leak test the EBA.
Close the cylinder valve (6) and the regulator valve (5).
Remove the dust cap, then slowly open, then close, the regulator valve (5) to relieve the pressure
from the system.
Perform steps b.(1) through b.(4), paragraph 3-9.2.4, and install the cushion cover.