David Clark 9100 series Maintenance Manual
Also see for 9100 SERIES: Installation & operation manual
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Contents
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19602P-99 (07-18) 16 of 20Disconnection/Connection of Radio and Auxiliary CablesThe C91-20RD Radio Interface Cable and C91-20AX Auxiliary Cable both attach to their matingconnector on the Radio or Radio/Aux Cards as installed on the Master Station with a quick-disconnect type connector. To disconnect the C91-20RD or C91-20AX from the U9100 MasterStation end, grasp the collar on the connector and pull back to disengage.To re-connect to the U9100 Master Station, align keyways and push until it locks into place. Pullback gently on the cable to ensure the connector is properly locked. Radio and/or auxiliary cableends terminating in non-David Clark audio accessories (i.e., two-way radios, recorders, etc.)should not require disconnection after installation unless it is to replace the accessory unit, andtherefore should not require maintenance or cleaning.Where necessary, the cable jacket can be washed with mild soap and water on a clean clothand the connector can be cleaned through the use of compressed air to remove any debris fromthe collar area and/or the well of the connector. A slight application of dielectric grease may becarefully applied to the connector pins, if needed.WIRELESS BELT STATIONSCleaning, Environmental ProtectionThe periodic cleaning and maintenance of the Wireless Belt Station will similarly ensure thereliability and longevity of the unit. To thoroughly clean a wireless belt station, first remove therubber exterior skin from the enclosure. The skin can be washed down with soap and water,either wiped dry with a clean cloth or air dried, and set aside.Next, follow the earlier recommendations for cleaning and protecting the mating headsetconnector through the application of dielectric grease.Similar care in cleaning and protection should then be applied to the battery compartment. Openthe battery door and visually inspect the thumb-screw fastener, threads and washer stack onboth sides of the door for any dirt, dust or built up residue, blow away said residue from thefastener assembly and complete interior of the battery compartment with compressed air and/ora nylon brush suitable for the purpose, then wipe away any remaining residue with a clean clothand/or a suitable swab. Finally, apply (or reapply) a fresh, clean, thin coating of dielectric greaseto the battery contacts and securely close the battery door.With the dust cap secured to the headset connector and battery door closed, the entirety of thewireless belt station surfaces, including the Link/PTT switch, Power/Selection Button and beltclip assembly, can be washed with a mild soap and water (see Figure 14)After drying the unit, the rubber protective skin can be reinstalled on the unit. UV protectant isnot recommended for this assembly only due to its tendency to make the surface of the unit |
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