Point Operations [Point I] Inspection: Measure the insulation resistance.
Measuring instrument Measurement terminals Standard
DC 500 V megger Each coil terminal - Frame 1 MR or more
[Point 21 Inspection: Measure the primary coil continuity.
Tester range Measurement terminals Standard
Rxl
U,-v,,v,-w,,w,-u, OR
Inspection: Measure the secondary coil continuity. Tester range Measurement terminals Standard
Rxl
u,-v,, v,-w,, w,-u, OR
Inspection: Measure the diode continuity. Inspect the diode as installed on the radiating fin plate and remove it only when an abnormality is found. Tester range Forward Measurement terminals Reverse Forward Standard Reverse
RxlK Anode @ - Cathode @ Anode @ - Cathode @ Continuity shall exist. co R
Installation: Since two diode different in polarity are used, carefully avoid incorrect installation. Installation: Install each diode by tightening to the specified torque. SKR71102, SKN71102: 4N.m (40 kgf-cm) [2.9 ft-lbfl SKRI 30102, SKNI 30102: 10N.m (100 kgf-cm) [7.2ft-lbfl SKR240102, SKN240102: 30N.m (300 kgf-cm) [21.7 ft-lbfl SKR71104, SKN71104: 4N.m (40 kgf-cm) [2.9 ft-lbfl