Lucent Technologies Lineage
®
2000 200A Ferroresonant Rectifier J85503B-2
Issue 8 January 1999
Replacing Components and Circuit Modules 8 - 11
3. At the ac service panel supplying power to the rectifier,
remove the input fuses 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
door.
6. Measure the voltage on each of the C5 through C9
capacitors. Discharge to below 20 volts before proceeding.
Caution
Support the CM1 fuse 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.
7. Disconnect control cable connector J5A from the CM4
board by unlatching first, then pulling the connector.
8. Remove all cables from CM1 by unlatching first, then
pulling the cable connector.
9. Remove CM1 from its four support standoffs by using a
small flat-bladed screwdriver to push in the latches on each
standoff.
10. Position the new CM1 over the four support standoffs.
Verify that each latch snaps and locks in place.
11. Reconnect all cables that were disconnected in step (7).
12. If the rectifier is to be restored to service, refer to Section
7, “Restore Rectifier to Service.”
CM2 Control
Board
Minimize electrostatic discharge when handling circuit
modules. Observe all warnings in Section 4, Safety.
1. Turn the rectifier Power switch Off.
2. Turn the rectifier CB1 circuit breaker off (down).
Содержание Lineage 2000 J85503B-2
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Страница 18: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 1 4 Introduction Issue 8 January 1999 ...
Страница 72: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 5 22 Installation Issue 8 January 1999 ...