15
1.
Loosen the captive screws on the top cover by using a Philips screw driver.
2.
Pull the top cover forward to the locking position.
Figure 18 – Removing the top cover
Step 3
Lift the top cover and take it out.
Figure 19 – Removing the top cover
CAUTION: When you remove the top cover, hold the top cover by hands to prevent it from falling into
the subrack.
Step 4
Switch off the circuit breaker.
Step 5
Insert the circuit breaker into the mounting holes and push the circuit breaker forward until
it is in position, as shown in Figure 20.