CIRAS-3 Operation Manual V. 1.09  191  support@ppsystems.com 
 
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regulator from main console by turning the holder 
¼ counter clockwise and pull out. 
Step 2.  Separate cartridge holder from regulator 
as shown below. 
Step 3. Insert small coin in notch in regulator and 
turn counterclockwise to remove inner fitting as 
shown below. 
 
Step 4. Using small flat screwdriver, remove red 
gasket seal and fit replacement making sure to 
secure it in place around the piercing pin. 
 
 
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