ABB EntelliGuard AKD-5 Installation Manual page 29

1. Before inserting the retrofit breaker into the cabinet, make sure that the breaker is switched off. If
the spring indicator shows that it is charged, the assembly needs to be discharged, by first switching
on the breaker and then switching it off.
2. After racking in the cassette, get ready to install the AKD-5 breaker assembly by pulling the lifting
hooks up (lifting handles, eyes, or ears) from their slots. Use a tool or screwdriver to keep them up, if
necessary (Figure 28).
Figure 28. AKD-5—Breaker Lifting Holes
3. Use an appropriate lifting device to install the breaker. See
4. Make sure that the lifting hooks are secured and locked in placed on the breaker.
5. Put the breaker in front of the unit where it is to be installed, leaving enough clearance to swing the
compartment door open to access the enclosure.
6. When the breaker is lined up with the compartment, raise the breaker only slightly higher than the
compartment floor, keeping it at a slight angle.
7. Open the compartment door, to install the breaker in the cassette,
Figure 29. Cabinet with Compartment
Door Closed
8. Check that the cassette is free from obstruction.
the new retrofill breaker and Kirk Lock Information Label supplied with AK-50 & AKT-50 Cassettes.
27 EntelliGuard R Circuit Breaker Retrofill AKD-5 Installation Manual
(Figure 28).
(Figure 29).
(Figure
Figure 30. Cabinet with Compartment
Door Open
Figure 30 displays the racking assembly, supporting
30).
DEH-41547