Akd-10-Primary Disconnects (Contacts) Or "Fingers; Remove And Replace - GE EntelliGuard R7 Installation Manual

AKD-10—Primary Disconnects (Contacts) or "Fingers"
The
Finger Clusters Accessory Manual DEH-41533
The primary disconnects are flexible connections between the breaker line and load terminals and between
the equipment line and load terminals. All primary disconnect fingers are factory-installed and are
assembled on EntelliGuard R Retrofill circuit breakers. Use this instruction sheet if damaged fingers need to
be replaced. It takes about 5 minutes to install a finger cluster, defined as a double pair of fingers on a
breaker.
Figure 17 shows finger clusters or primary disconnects on a Retrofill circuit breaker. Figure 18 details the
finger-cluster assembly.
Figure 17. Circuit Breaker Removed, Featuring Primary
Disconnects "Fingers" (Contacts)

Remove and Replace

The primary disconnect assembly is factory-adjusted with a gage to apply a 95 ± 10 lb. force to a 1/2-inch
thick copper bar, inserted between the upper and lower fingers. Set this force range, in the field, by
tightening the nuts to set the spring dimension shown in Figure 19. Note that this dimension is measured
between the top of the retainer and the underside of the washer. Also note that no bar is inserted between
the fingers when setting this dimension. Figure 20 shows the cluster components.
EntelliGuard R Circuit Breaker Retrofill AKD-10 Installation Manual
32
WIRING
• Do not pinch/damage the wires while
installing the secondary disconnect
blocks.
covers the primary disconnects or fingers.
Figure 18. Circuit Breaker, Finger Details
main
retainer
retainer clip
retainer
DEH41550 R06
spacer
contact finger