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Upon completing reassembly after repair, measure the insulation resistance and conduct a dielectric
strength test.
Insulation resistance:
Dielectric strength:
After no-load operation for 30 minutes, the no-load current values should be as follows:
Voltage (V)
Current (A) Max.
Diamond wheel runout: Deflection of the diamond wheel must be 0.6 mm or less at the 100 mm dia. points.
Insulation Tests
7 MΩ or more using AC 500 V megohm tester
AC 4,000 V/1 minute, with no abnormalities (220 V to 240 V)
AC 2,500 V/1 minute, with no abnormalities (110 V to 127 V)
No-Load Current Value
110
120
5.0
4.4
Product Accuracy
127
220
4.6
2.7
-10-
230
240
2.6
2.7
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