July 8, 2002

Subject:
Use of Lubricants on Regulator Exhaust Valve P/N 510-552

Products Affected:
KMDSI Part #510-552

The use of lubricants of any type (i.e., silicone grease, or similar) on molded silicone rubber parts such as exhaust valves or diaphragms, must be avoided.

Use of such compounds can deteriorate the physical properties of the components. In addition, lubricants can attract and hold debris that may cause a valve to leak. This same practice applies for the diaphragm.

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