Problem	Solution
Build up of minerals in the chamber.	Use Alfa Clean Cleaner.
Top hard to put on.	Lubricate Metal-to Metal seal.
No pressure.	Check gauge opening underside the cover. Make sure that it's free of foreign matter.
Control Valve not working.	Unscrew the "knurled top" portion and clean thoroughly with Alfa Clean.
Air Exhaust Tube blocked.	Blow air through the air exhaust tube.
Note: Read important points to remember, in your manual.

DISCLAIMER: Please note that the information contained herein is generalized in nature & can not account for all possibilities. Any proposed remedies for specific situations should not be considered as absolute or all-encompassing. Please seek professional assistance if there is any doubt as to the efficacy of a remedy or of the exact nature of any encountered problem. American Dental Accessories provides no warranty expressed or implied for any purpose and provides the information contained herein only as a service to those interested parties.