Lucent Technologies Lineage
®
2000 125A Ferroresonant Rectifier J85502C-1
Issue 8 July 1999
Spare Parts and Replacement Procedures 8 - 21
CR1 and CR2. Remove the tape and unbolt the cable
connected to the center tap (lead #7) at the bottom of the
secondary winding. Disconnect the shielded cable leads
(#11 and #12) that have quick-disconnect terminals from
the harness leads that project through the square hole of the
local cable guard bracket.
2. Remove the rectifying diode heat sink assembly as
described in “Diode Heat Sink Assembly.”
3. Remove the bolted connection between the top, right, rear
transformer bracket and the upper support bracket to the
rear cabinet wall. Remove the two nuts that fasten the
upper support bracket to the rear cabinet wall.
4. Remove the bolted connections between the (T1)
transformer lifting bracket and the upper-left, front/rear
bracket flanges on the transformer. Remove the two nuts
that attach the lifting bracket to the mounting studs on the
left cabinet wall near the upper cabinet flange.
5. Remove the two nuts that attach the lower, front mounting
feet of the transformer brackets to the studs on the bottom
surface of the cabinet.
6. Remove the following electrical connections:
– Three primary winding leads (#1, #2, and #3) to the load
side (bottom) of contactor (K1).
– Four ac filter capacitor leads (two #9 and two #10
leads).
7. This completes the disconnection of transformer T1 for
24-volt rectifiers. Proceed to Step 12 to remove T1 from
the cabinet. For 48-volt rectifiers, continue with Step 8.
8. Remove inductor L1 per “AC Inductor (L1).”
9. Remove inductor L2 per “DC Inductor (L2).”
10. Remove contactor K1 per “Contactor Relay (K1).”
11. Remove the ac capacitor bracket as a complete assembly
(with the thyristor heat sink, ac capacitors, K2 relay, and
T2 transformer attached) by removing the three nuts,
