CG 47级咨询nr 13-95 an-sps-55雷达人员高空线路安全危险rmks /1。该级别的通知提醒爱尔康公司安装sps-55现场更换4(天线底座ab-1300)存在安全隐患，并提供纠正措施。2.背景。在宙斯盾巡洋舰上安装“战场改变4”后，对sps-55天线驱动电机故障进行了评估，发现该舰的2md高空人员电路和新的天线基座布线之间存在不兼容性，没有考虑到宙斯盾独有的高空人员电路。因此，线路的变化与现场变化4导致在cic的人高空线路指示灯被不正确地连接。这将导致驱动电机过早故障和电气安全隐患，因为系统内的电压是无法预期的。3.行动。CG 47级舰船已经完成了场改变4 (ab-1300天线底座)的安装，采取如下纠正措施(fc-4安装在除CG 52、53、54和57以外的所有舰船上):(1)解除sps-55雷达的能量，并标记出当前舰船指令。 IMPLEMENT MAN ALOFT RESTRICTIONS IN ACCORDANCE WITH SHIP'S STANDARD OPERATING PROCEDURES. (2) OPEN AND TEST FOR VOLTAGES PRESENT IN THE MAST-MOUNTED SWITCH BOX 09-01-06 IAW NSTM CHAPTER 300 (WORKING ON DEENERGIZED EQUIPMENT SECTION). IF ANY VOLTAGES ARE PRESENT LOCATE, DEENERGIZE AND TAG OUT SOURCE. (3) MAKE THE FOLLOWING WIRING CHANGES IN THE MAST-MOUNTED SWITCH BOX 09-01-06: (A). DISCONNECT RED WIRE 5-2MD3 FROM TERMINAL 05 AND RECONNECT THIS WIRE TO TERMINAL 08. RELABEL THIS WIRE 8-2MD3. (B). DISCONNECT BLACK WIRE 1-2MD2 FROM TERMINAL 01 AND RECONNECT TO TERMINAL 02. RELABEL THIS WIRE 2-2MD2. (C). DISCONNECT THE JUMPER BETWEEN TERMINALS 02 AND 08 AND RECONNECT IT BETWEEN TERMINALS 06 AND 09. B. CG 47 CLASS SHIPS NOT YET HAVING RECEIVED FIELD CHANGE 4 (CG 52, 53, 54, AND 57) SHOULD VERIFY/CORRECT WIRING AS DESCRIBED IN PARA 3.A ABOVE WHEN PEDESTAL UPGRADE IS INSTALLED. 4. FOR COMNAVSURFLANT/COMNAVSURFPAC - RECOMMEND CG 47 CLASS SHIPS BE TASKED TO IMPLEMENT WIRING CHANGES/INSPECTION AS DETAILED IN PARA 3 ABOVE AND TO REPORT TO TYCOMS AND AEGIS PROG MGR UPON COMPLETION. 5. FOR SEA 91W3D - THE MAN ALOFT CIRCUIT, 2MD, IS PART OF THE AEGIS SAFETY REQUIREMENTS, CG 49 SHIP SPEC SECTIONS 403.D AND 437, AND WAS INSTALLED AS PART OF SHIP INTEGRATIONS OF SPS-55 AT THE TIME OF CONSTRUCTION. REQUEST YOU MODIFY FIELD CHANGE 4 TO INCORPORATE WIRING CHANGES FOR THIS CIRCUIT FOR AEGIS CRUISERS PRIOR TO FURTHER INSTALLATIONS. 6. THIS ADVISORY HAS NO IMPACT ON EOSS, PMS OR CMMP. IT WILL BE CANCELLED WHEN ALL SHIPS HAVE REPORTED COMPLETION OF REQUIRED CORRECTIVE ACTION. 7. POC IS MR. N. S. SMITHSON, PMS400F511, DSN 332-5981, EXT 133 OR COMM (703) 602-5981.// BT
CG-47