GE AK-1-15 Maintenance Manual

GEK-7303 Low Voltage Power Circuit Breakers
1·· 2
. . . . . .
. ..
.. .
. : :;.: : ·: :··: ~-- .
. .
,, , '
.·. : ·· ...
.. .
. . : .- : :
Fig. 4 (8014830) Disassembly of arc quenchers-standard breaker and AKF center pole .
1. Stud
2. Cap
3. Side Barrier
4. Pocket Barrie~
5. Inner Barrier
DISASSEMBL Y~AK AND AKF
CENTER POLE (Fig. 4) -
The following instructions apply to both tl1e
Type AK and AKF breaker center poles.
1. Remove arc quenchers (see REPLACE-
MENT).
2. Remove screws holding spacer block (9).
3. Remove
spacer block, steel back plate
(8), and compound support (7).
4. Rock muffler (6) slightly and remove.
The inner barriers (5) can now be removed for
inspection.
5. Remove nut and withdraw
stud (1).
6. Remove cap (2). The
side (3) and pocket
(4) barriers should be free.
7. Reassemble and replace the arc quencher
in the reverse order. Tighten the fastenings
after replacement.
DISASSEMBLY- AKF OUTER
POLES (Fig. 5)
1. Remove arc quenchers (8Ce abov e) and lay
on sides on a flat surface. ··
2. Remove hardware
from one side of arc
quencher as indicated in Fig. 5.
6. Muffler
7. Compound
Support
8. Steel Back Plate
9. Spacer Block
3. Remove bolt fastening cap (4) and barrier
plate assembly.
4. Barrier plates may now be lifted from as-
sembly for inspection.
5. In reassembling, make sure · components
are positioned so that holes for self-tapping hard-
ware are in line. Do not strip threads in compound
by
overstressing screws.
POLE UNIT A SSEMB LY (Fig. 6)
NOTE: The text and part identification numbers
contained in this section apply to illustrations
covering the AK-50 breaker. The same text
is · applicable to the AK - 75 and 100 breakers by
referring to Fig. 7 and identifying the similar
parts. These similar parts may not, in every
case, be identified by the same number .
Each pole unit assembly consists of a set of
arcing contacts, a set of mai~ contacts, the
actuating linkage and the mounting
base. See
Fig. 8 and 9, pole unit assemblies mounted on
back
frame assemblies.
The stationary arcing-contact assembly con- ,
sists of a set of parallel contact fingers (2),
pin (3), and compression sprin gs (22), which
provide continuous contact pres s ure for the fu ll

GE AK-1-15 Specifications

General

Brand	GE
Model	AK-1-15
Category	Circuit breakers
Language	English