2TSA451011P0000 Rev-B © 2020 Emax 2 Retrofill Circuit Breakers 600A-4000A | 19
16 - Check, Clean and Grease Compartment
1. Inspect the compartment for damage or rework.
2. Check the orientation of primary finger clusters match the switchgear stabs.
3. Check the secondary disconnect integrity & mounting supports for any damage or
cracks .
4. If switchgear parts show cracks or damage contact ABB post sales service 888-437-3765.
5. Check each breaker compartment for bolted joints in the primary disconnect bars.
Where such joints exist, check the bolts for tightness.
6. Inside the compartment, check the contact areas on each primary disconnect bar for
foreign matter that may have accumulated. Clean those areas if necessary with a clean,
lint-free rag and isopropyl alcohol or acetone.
7. Be sure to apply a thin film of red Mobilgrease 28 to the primary disconnect contact
areas for better electrical connections inside the compartment.
8. After removing the original AK breaker from the compartment, install the AKD-5 retrofill
cassette. (Note: If compartment has a position switch and a position switch actuator
will be added to the cassette, see Install Position Switch Actuator below.
9. Locate and replace Kirk key slide return spring on left side of compartment. Supplied
with the cassette assembly as a retrofill kit. Inspect the Kirk key slide mechanism, grease
with Mobilgrease #28) if required.
10. Install the cap, label and ¼-20 set screw to disable old racking mechanism. Also
assemble Kirk key side bracket, label and (2) ¼-20 Thread forming screws, see figure 41
& 42. Supplied with the cassette assembly as a retrofill kit.
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