Lucent Technologies Lineage
®
2000 200A Ferroresonant Rectifier J85503B-2
8 - 4 Replacing Components and Circuit Modules
Issue 8 January 1999
Replacing
Components
DANGER
The following procedures MUST be performed only on a
rectifier completely disconnected from the plant battery
buses, AND with no input from the ac service panel
connected to the rectifier. The plant control cable, J5A
should also be disconnected from the CM4 board.
1. Remove the rectifier from service following the procedure
in Section 7, “Disconnecting a Rectifier.”
2. After replacing components, restore the rectifier to service
following the procedure in Section 7, “Restore Rectifier to
Service.”
3. Remove plastic shields where necessary to access
components in the J85503B-2 rectifier.
4. Refer to Figures 2-3 and 8-1 for component locations.
Table 8-B: Torque and Minimum Yield Strength Values
for Mechanical Connections (Using Hex Head Cap
Screws)
Cap Screw Diameter
(Inch)
Min. Yield
Strength
Torque
Ft-Lb
UNRC
Nm
1/4
57,000
6
8
3/16
57,000
12
16
3/8
57,000
22
30
7/16
57,000
35
47
1/2
57,000
54
73
9/16
57,000
77
104
5/8
57,000
107
145
3/4
57,000
190
257
7/8
36,000
193
261
1
36,000
290
393
1-1/8
36,000
410
556
1-1/4
36,000
580
786
1-3/8
36,000
760
1030
1-1/2
36,000
1010
1370
Содержание Lineage 2000 J85503B-2
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