GE Industrial Solutions EntelliGuard 800–2000 A Frames, 240–600 Vac Maintenance Manual - Manual (Page 57)

EntelliGuard™ 800–2000 A Power Circuit Breakers
Chapter 8. Accessory Maintenance
47
8.6 Remote Charge-Indication Switch
The remote charge-indication switch, illustrated in Figure
59, allows the EntelliGuard Messenger to remotely
monitor the state of the closing springs on electrically
operated breakers. When the springs are charged,
terminals 3 and 4 at the secondary disconnect are shorted
and are open when the springs are discharged.
Figure 59. Remote charge-indication switch.
Removing the Remote Charge-Indication
Switch
Use the following procedure to remove the remote charge-
indication switch for replacement, as illustrated in Figure
60.
1. Remove the breaker escutcheon, as described in
Section 7.5.
2. Disconnect the two wires from terminals 3 and 4 of
the secondary disconnect block and bring them
back to the switch.
3. Remove the bolt, lock washer, and flat washer
attaching the switch to the flag shaft support plate,
then slide off the switch.
Installing the Remote Charge-Indication
Switch
Use the following procedure to install the replacement
remote charge-indication switch, as illustrated in Figure
60.
1. Place the replacement switch in position on the flag
shaft. Insert the mounting bolt, lock washer, and flat
washer through the rectangular hole in the switch
and into the tapped hole in the flag shaft support
plate. Do not tighten the bolt.
2. Adjust the switch position as follows:
a. Charge the breaker closing springs with the man-
ual charging handle.
b. Rotate the switch until the switch trigger is fully
depressed against the trigger pin, as illustrated in
Figure 61.
c. Tighten the switch mounting bolt to 32 in-lb.
d. Close and trip the breaker.
3. Run the two wires from the switch to the secondary
disconnect block and connect them to terminals 3
and 4.
4. Replace the breaker escutcheon, as described in Sec-
tion 7.5.
Figure 60. Remote charge-indication switch removal and installation.
Figure 61. Remote charge-indication switch side view.