Type B Vital Relays - Alstom

Corrective Maintenance
6.4.4. Current Test Terminal Wiring
To wire a current test terminal follow the procedure provided in Table 6–8.
Table 6–8. Current Test Terminal Wiring Procedure
Step
Procedure
1 Solder a wire jumper about eight inches long to connector.
2 Pass wire from front of plugboard through hole next to current test terminal. On
B1 plugboards this hole is to the right and below the one marked 3E. On B2
plugboards, it is to the left and below the one marked 6E.
3 Assemble current test terminal as shown:
CONNECTOR
04906-126-00
SPANNER
NUT
TO CABLE
WIRE JUMPER ABOUT
8 INCHES LONG
SOLDER WIRE JUMPER
TO CONNECTOR
TO COIL
TERMINAL
BEND AFTER WIRE
IS ATTACHED
ROSIN CORE SOLDER,
SOLDER HERE
DETAIL OF SOLDERED CONNECTION
4 Slide connector into insulating bushing and at the same time push wire through
hole.
5 Tighten spanner nut with spanner nut wrench, P/N 55393-003-01, for B Relay
Current Test Post (E Post).
6 Bend end of connector against plugboard.
7 Cut jumper wire to proper length and connect it to plugboard terminal. Refer to
the detailed wiring plan.
8 Put a terminal on the wire that comes from the cable and goes to that part of the
test terminal that extends toward the back of plugboard. Connect them as
shown in Step 3.
P1457, Rev. Nov/07 6–11 Alstom Signaling Inc.