GE AK-1-15 Instructions Manual page 25

Air circuit breakers
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25
fig. 22
BeH Alan! and Lockout Device
13. Trip Shaft
14. Millin Sblllft
15.
Pin
145.
Catch
11. Link
18. Spacer
~18
2. The auxiliary sliaft must be positioned so
that each of its clearance cut-outs has such
a position relative to its respective over-
load trip arm that the trip arm can operate
without encountering interference from the
shaft and contacts the shaft ouiyat lever (7).
3.
When the breaker is closed, lever
(7)
must
hang
in
a position such that it touches
neither the trip a.rm
(8)
or the adjusting
screw in the trip paddle
(10).
The optimum
condition is an equidistant position.
4.
The
~teh
(12)
anqthe
cat~h
(16) must be
}JO
positioned relative to one another
than
wnen
the breaker is closed and reset, the latch
will clear the catch when the latch is rotated
counterclockwise. The eatch is mounted on
the same supporting bracket as switch (1).
This bracket may be shifted vertically by
dismounting the switch and loosening the
hardware which fastens the bracket
to
tHe
mechanism side frame.
SPACER (18) 8 SCREW ADDED
OTHE RWISE SAME AS FIG.29A
I~::~I
TYPICAL CONNECTION
17
DIAGRAM
16
15
1. Lever
8.
Trip
Ant
9.
Pin
II" Trip Paddle
11. Benger
12.
Latch
LOCKOUT DEVICE
NOTE- BELL ALARM OR LOCKOUT DEVICE
OPERATES ONLY WHEN BREAKER TRIPS
ON OVERCURRENT.
MANUAL RESET.
1. hUch
2.
Plunger
3. Rellet Lever
4. lIounting Bracket
5•.
Spring
fl. Auxiliary Sbaft
Air Circuit Breakers Type
AK-1-15
and
AK-1-25
GEH-180'l
LOCKOUT DEVICE
The lockout device (see Fig.
22)
consists of the
.me mechanism as the bell alarm device except
that a screw
(18)
secures the hanger
(11)
to latch
(12).
This causes these two parts to function as a
unit.
Whenever the breaker is o.pened 9\!e to an
overcurrent, the trip paddle
(10)
w'ill be held in
the tripped position by the lever
(7),
thereby lock-
ing the breaker in the open pOsition until the lock-
out mechanism is reset by means of the reset
lever (3).
ADJUSTMENTS
3
4
In
order for the bell alarm and lockout device
to function properly the following conditions must
exist:
.
1. The awciliary trip sJ1a,ft (6) must swing
freely from its points of suspension and
hang perfectly level with respect to the
breaker parts.
2

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