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8-4. Tightening Torque
(1) Tapping Screws (W/Flange) D4 [40] [48] <40> <48> ................................ 1.5 to 2.5 N
(2) Tapping Screws D5 [7] [15] [19] <7> <15> <19> ...................................... 2.4 to 3.4 N
(3) Machine Screw (W/Washer) M3.5 x 6 [29] <29> ....................................... 0.45 to 0.75 N
8-5. Insulation Tests
On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength
test.
Insulation resistance: 7 M Ω or more with DC 500 V megohm tester
Dielectric strength:
8-6. No-load Current Values
After no-load operation for 30 minutes, the no-load current values should be as follows.
Voltage (V)
Current (A) max.
AC 2,500 V for 1 minute, with no abnormalities .............. 110 V --- 127 V
AC 4,000 V for 1 minute, with no abnormalities .............. 220 V --- 240 V
110
120
3.7
3.5
220
230
1.8
1.8
--- 13 ---
m (15 to 25 kgf
•
m (25 to 35 kgf
•
m (4.5 to 7.5 kgf
•
240
1.7
cm)
•
cm)
•
cm)
•
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