INSTALLATION

2. Lens-cleaning solution 3. Lens wipers 4. Purge kit regulator/connector assembly 5. Expendable nitrogen gas cartridges (six) to purge the sensor unit of moisture (30-day requirement) An overboard lanyard (vinyl-covered stainless steel cable) is used to secure the sensor/pivot mount to an eyelet on the PCU unit mounting plate prior to installation or removal. The overboard lanyard and associated safety procedures will prevent accidental over-the-side loss or severe damage (fall to a lower deck) during installation or removal. INSTALLATION Two mounting locations are to be established for each AN/KAS-1 (fig. 2- 12). Each location should be carefully chosen to ensure that it has a wide field of view (the view as wide as possible, and not blocked by other hardware). Care must be taken to avoid interference with other ships' equipment. Locations already selected for the Mk 37 night vision sight (NVS) are usually excellent. When possible, the mounting locations should be high on the ship, such as the signal bridge or pilothouse bridge wings. The locations must be accessible to sound-powered headphones. The PCU mounting plate installation requires separation distance between the sensor unit and the PCU, and between the PCU and the deck when the PCU is mounted near the AN/KAS-1. These separation distances are necessary to ensure that the power cable will be neither too short nor too long and thereby create entanglement. MAINTENANCE The AN/KAS-1 has been designed for minimum maintenance. Scheduled maintenance procedures will be detailed on the MRC. Corrective maintenance consists of removal and replacement of the sensor/ pivot unit or the PCU when a failure occurs. The failure will be handled on a repair-and-return basis and does not require a requisition for replacement. TRAINING Each AN/KAS-1 received will have a complete training package. This training should be incorporated into the Signalman Personnel Qualification Standards (PQS). OPTICAL EQUIPMENT LEARNING OBJECTIVES: Identify optical equipment. List procedures for the operation, maintenance, and handling of optical equipment. Figure 2-12.—AN/KAS-1 system installation. 2-10