Hitachi H 45MR Technical Data And Service Manual page 20

9-1-5. Internal wiring
Wiring diagram for products with noise suppressor
Wiring diagram for products without noise suppressor
9-1-6. Insulation tests
On completion of disassembly and repair, measure the insulation resistance and dielectric strength.
Insulation resistance: 7 MΩ or more with DC 500 V Megohm Tester
Dielectric strength:
9-1-7. 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.)
Stator
Connector
Armature
Stator
Stator
Armature
Stator
AC 4,000 V/1 minute, with no abnormalities
AC 2,500 V/1 minute, with no abnormalities
110 120
3.8 3.5
Switch
Connector
Noise
suppressor
Pillar terminal
Fig. 18
Switch
Connector
Fig. 19
220 V --- 240 V
• • •
(and 110 V for U.K. products)
110 V --- 127 V
• • •
(except U.K. products)
220 230
2.2 2.1
--- 17 ---
Brown
Plug
Blue
Black
Plug
White
240
2.0