Contact Assembly - GE AK-2A-15 User Maintenance Manual

GEI-50299 Power Cir cuit Bre akers T ypes AK-2-15 and A K-2/3-25
stationary contacts and be sure to locate them
in the breaker with the upper and lower contacts
having their stop projecting surfaces as shown
AA,
in the section
and lower right contacts are identical as are
the lower left and upper right contacts.
By placing the hook o n the end of the contact
through the loop of the contact spring, the con­
tact can be pushed toward the pivot surface
and slipped behind the stop pin.
STATIONARY CONTACTS
1 . B reaker Base
2 . Insulation
3 . Insulated Stud
4. Upper Stud Barrier
5 . Insulation
6. Links (Insulated)
7 . Tie Bolt
1 0
Figure 3 . The uppe r l eft
Install all
3 --
/�
9----. .. ./
II
21
VIEW
FRONT OF
&
SPRINGS
AK-2-25
Figure 3 . (54 9D40 9-2 )
8. Spring
9. Spring Clip ( Retainer)
10. Cross Bar
1 1 . Pivot Pin
1 2 . Lower Stud
1 3 . Contact Pivot Support
14. Spri ng
REP LACE MENT OF MOVAB LE C ONTACTS
( 1 8 ) Figure 3.
1 . Coat the pivot area only of the new movable
contacts with a thin coat of D50H4 7 grease.
2 . Assemble the center pole movable contacts,
align the pivot pin holes with the bullet nosed
rod, and install the pivot pin and split pin.
3. Move the c ross bar assembly into position
and insert the eccentric contact wipe adjust-
VIEW
FRONT OF
STATIONARY CONTACTS
SPRINGS
AK-2-15

Contact Assembly

1 5 . Contact Wipe Adjustment Pin
1 6. Screw
17 . Upper Stud
1 8 . Movable Contact
1 9. Spring
20. Nut
2 1 . Stationary Contacts
SECTION B-B
&
& Arc Runner
•