GE Industrial Solutions EntelliGuard E Circuit Breaker - Manual (Page 11)

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12. With a screwdriver, turn the racking handle shutter
drive A clockwise (Fig. 3.8).
Figure 3.8. Racking Handle Shutter Drive Location
13. Insert the racking handle in the handle insertion hole
on the cassette front panel.
14. Rotate clockwise to rack the circuit breaker into the
cassette.
Figure 3.9. Turning the Racking Handle
15. Continue rotating the racking handle clockwise until
the position indicator first shows TEST, then
CONNECTED. When approaching the CONNECTED
position, effort to turn the racking handle will increase
as the clusters engage with the cassette-mounted
contacts. If a motor spring charge is installed, it may
operate when approaching the TEST position.
16. Remove and store the racking handle.
The circuit breaker is now ready for normal operation.
17.
Circuit Breaker Removal from the Cassette
DANGER
ELECTROCUTION
 Ensure the circuit breaker has been tripped, indicating
OPEN, and the main springs are fully discharged.
 Do not touch the circuit breaker’s isolating contacts
during lifting.
Failure to comply with these instructions will result in
death or serious injury.
1. Repeat Steps 11 through 13 as explained in the previous
section. Insert the racking handle in the handle insertion
hole on the cassette front panel
2. Rotate counter clockwise to rack the circuit breaker out
of the cassette.
3. Continue rotating the racking handle counter clockwise
until the position indicator first shows TEST, then
DISCONNECTED.
4. Open the breaker cubicle door.
5. Pull out the cassette rails (Fig. 3.10).
Figure 3.10. Cassette Rails Pulled Out for Circuit Breaker
Unloading
6. Using the hand grips on either side, pull the circuit
breaker out of the cassette until it reaches a positive
stop (rollers on the circuit breaker will stop against the
extended rail projection as shown in Fig. 3.1.
7.
Figure 3.11. Circuit breaker Pulled Out of the Cassette for
Unloading
8. Attach the lifting bar to remove the circuit breaker.