Insulation Tests; No-Load Current Value - Hitachi G 10SD2 Service Manual

8-6. Insulation Tests

On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength
test.
Insulation resistance:
Dielectric strength test: AC 4,000 V/1 minute, with no abnormalities

8-7. No-Load Current Value

After no-load operation for 30 minutes, the no-load current value should be as follows.
Voltage (V)
Current (A) max.
7 M or more with DC 500V Megohm Tester
AC 2,500 V/1 minute, with no abnormalities
110 220
3.2 1.7
• • • • • • • • • • • • • •
• • • • • • • • • • • • • •
230 240
1.7 1.6
--- 15 ---
220 V --- 240 V products
110 V --- 127 V products