System 12 SCR Drive
6-127
6
iControl DC
Replacing the Contactors Refer to the following illustration.
1. Remove all semiconductor fuses attached to the contactor being replaced.
2. Mark and disconnect all necessary wires.
3. Loosen the four contactor mounting bolts. Remove the contactor.
4. Replace the contactor. Torque the bolts to 110 - 120 inch pounds. Reconnect wires.
Figure 6.25 Drive Contactors
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