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The 3M 7000051802 is a replacement speaking diaphragm kit designed for use with 3M Full Facepiece respirators in the 7000 Series. The kit restores the voice transmission function of the facepiece by replacing the diaphragm assembly that can wear out or become damaged through regular service use. It includes the speaking diaphragm, a gasket, a retainer ring, and a removal tool, providing all the components needed to complete the repair in the field. Licensed safety professionals and industrial hygiene technicians handling respirator maintenance programs will find this kit ready to install without sourcing individual components separately.
This kit is suited for maintenance of 3M Full Facepiece respirators used in industrial, construction, hazardous materials, and emergency response environments where verbal communication through the facepiece is required. Facilities managing a fleet of 3M 7000 Series full facepieces will use this kit as a scheduled replacement component to keep respirators in serviceable condition and in compliance with respiratory protection program requirements.
Designed as a replacement part for 3M Full Facepiece respirators in the 7000 Series.
Installation should be performed by a qualified technician or respirator program administrator following the manufacturer's maintenance instructions for the 7000 Series facepiece. Power down or depressurize any supplied-air system before servicing the facepiece. Use the included removal tool to extract the existing diaphragm assembly without damaging the facepiece lens or seal surfaces. After installation, inspect the facepiece for proper fit and perform a user seal check before returning the respirator to service.
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