Discon Nect Position I Nterlock; Padlocks 1 - GE AKR-30 Series Maintenance Manual

Breaker Racked I n - Lever And Armature
Linkage P i n Not E ngaged
Breaker Being Racked Out -
Lever Activates Armature Li nkage
FIG. 1 7 - CLOSING SPRING I NTERLOCK
6.4 DISCONNECT POSITION I NTER LOCK
The function of the Discon nect Position I nterlock i s to
block the RAC KING SCREW cover open when the racking
mechanism is in the D I SCONN ECTED position. When the
cover is held open, the T R I P button is depressed . The
mechanism is held trip-free and there is no contact arm
movement when the closing spring is discharged by the
Closing Spring i nterlock.
The operation of this interlock is shown in Fig.
crank, which is attached to the racking mechanism shaft, is
connected to the blocking plate through a link. As the shaft
turns, the blocki ng plate rotates ; holdi ng the cover open in
the D I SCONN ECTED position, but allowing it to close in
the TEST and CONN ECTED positions.
FIG. 1 8
DISCONN ECT POSITION I NTERLOCK
6.5 PADLOCKS
Provisions are made on all breakers to use padlocks to
prevent the breaker form being closed. For all breakers
except Type B or D the padlock shackle goes through the
TR I P button hole and out the slot in the side of the
escutcheon. For Type B or D b reakers the padlock
shackle goes through the TRI P button hole and out the
RACKING SCREW cover hole in the deep escutcheo n . I n
either case, the shackle holds the TRI P button in keeping
the mechanism trip-free.
A
1 8 .
1 7