Lucent Technologies Lineage
®
2000 100A Ferroresonant Rectifier J85503A-1
8 - 6 Spare Parts and Replacement Procedures
Issue 6 October 1998
1. Turn the rectifier Power switch Off.
2. Turn the rectifier DC Output circuit breaker off (down).
3. At the ac service panel supplying power to the rectifier,
remove the input fuse assigned to the rectifier, or turn the
circuit breaker Off.
4. At the plant controller, remove the REG fuse associated
with the rectifier.
5. At the rectifier, loosen the locking screws and open the
rectifier door.
6. Locate the CM2 control board.
7. Disconnect J2A from CM2 by unlatching first, then
pulling the cable connector.
8. Disconnect the J1A connector on the cable from the CM1
option board.
9. Disconnect the J3A connector on the cable from the CM3
digital meter board.
10. Remove the CM2 control board from the six support
standoffs by using a small flat-bladed screwdriver to push
in the latches on each standoff.
11. Position the new CM2 control board over the six standoffs.
Verify that each latch snaps and locks in place.
12. Connect J3A to P3A on the new CM2 control board.
13. Connect J1A to P1A on the new CM2 board.
Caution
Support the CM2 control board with your hands when
connecting and disconnecting the cables, or damage to the
board may result.
Do NOT disconnect cables by pulling the cable.
