SECTION 8
MAINTENANCE AND INSPECTION
8.1 ROUTINE MAINTENANCE ..................................................8-1
8.2 MAINTENANCE ON EACH UNIT.........................................8-2
8.2.1 Scanner Unit NKE-2043/2062/2063A/2103/2254 .........8-2
8.2.2 Display Unit NCD-4380 .................................................8-5
8.3 PERFORMANCE CHECK ....................................................8-7
8.3.1 Test Menu ......................................................................8-8
8.3.1.1 Self-diagnosis function .....................................8-9
8.3.1.2 Monitor Test ...................................................... 8-11
8.3.1.3 Operation Panel Test ...................................... 8-12
8.3.1.4 MON Display .................................................... 8-14
8.3.1.5 Alarm Logging ................................................. 8-16
8.3.1.6 System INFO .................................................... 8-19
8.3.1.7 MAGI ................................................................. 8-20
8.3.2 Line Monitor ............................................................... 8-21
8.3.3 GPS Reception Status Display (GPS Status) .......... 8-23
8.4 REPLACEMENT OF MAJOR PARTS ............................... 8-25
8.4.1 Parts Expected for Periodic Replacement .............. 8-27
8.4.2 Replacement of magnetron ...................................... 8-27
8.4.3 Motor Replacement ................................................... 8-49
8.4.4 Replacement of Diode Limiter (A102/A303) ............ 8-63
8.4.5 Replacement of Backup Battery .............................. 8-64
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