8 Inspection and Maintenance
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289
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8.1 Daily Maintenance ..................................................................................................................... 291
8.1.1 Daily Inspection Items
....................................................................................................... 291
8.2 Periodic Inspection ................................................................................................................... 292
8.2.1 Periodic Inspection Items
.................................................................................................. 292
8.2.2 Main Circuit Insulation Test
................................................................................................ 293
8.3 Replacement of Vulnerable Components ................................................................................ 293
8.3.1 Lifetime of Wear Parts
....................................................................................................... 293
8.3.2 Cooling Fan
....................................................................................................................... 293
8.3.3 Electrolytic Capacitor
........................................................................................................ 295
8.4 Storage ....................................................................................................................................... 296
8 Inspection and Maintenance