GE Gerapid 2607 User Manual

S47183-e 01/2008 Design and specifications are subject to change without notice 40
6.2 List of maintenance works
TYPE OF THE WORK BY WHOM WHEN REQUIRED RECOMMENDATIONS
A. Arc chute changing Customer.
Trained technician
As a result of the
inspection C
B. Pre-arcing contact and
arc runners changing
Customer.
Trained technician
As a result of the
inspection C
Replace complete pre-arcing set .
C. Protective walls chang-
ing
Customer.
Trained technician
As a result of the
inspection C
D. Adjustment of the con-
tacts
GE.
Service engineer
As a result of the
inspection C
Only in case, when replacement of the pre-arcing
contact results with incorrect gaps. See point 6.1.5.
E. Replacement of the
control board
Customer.
Trained technician
As a result of the
inspection B,E
F. Adjustment of the
mechanism
GE.
Service engineer
As a result of the
inspection B,E
G. Flexband or fix contact
changing
GE.
Service engineer
As a result of the
inspection C,E
H. Mechanism changing GE.
Service engineer
As a result of the
inspection B,E
I. Dumper(s) changing GE.
Service engineer
As a result of the
inspection E
Replace upper and lower dumper at the same
time.
J. Trip unit changing & ad-
justment
GE.
Service engineer
As a result of the
inspection B,E
K. Auxiliary switches ad-
justment and changing
Customer.
Trained technician
As a result of the
inspection B,E
In case of wrong signalization of the switches, ad-
justment might be necessary.
L. Drive changing GE.
Service engineer
As a result of the
inspection B,E
M. Accessories changing GE.
Service engineer
As a result of the
inspection B,E
Table 4
Required tools:
• Cleaning tissue
• Pocket lamp
• Hand lever
• Hexagon wrench SW 4, SW 5, SW 6
• Screw wrench SW 10, SW 13
• Small and medium screwdriver
• Pliers
• Wire cutter
• File
• Steel brush
6.2.1 Maintenance of contact system (after 11/2003)
Pay attention to the warnings, Section 1 !
This section is valid for breakers manufactured after
11/2003.
This section refers to maintenance works A, B, C from
Table 4.
A) Remove the arc chute
• [Fig. 49]. Loosen the clamping screws (3) and (4), using
SW 5 hexagon wrench and take off the arch chute (1)
from the adapter (2).
B) Remove the arc chute adapter
• [Fig. 48]. For dismantling the arc chute adapter loosen
and pull out the four upright screws (1) using SW5 tool.
Pay attention that no screws or washers fall inside the
breaker !
• [Fig. 48]. Draw aside and lift off both parings of
adapter (2). Then pull out two protective walls (3).
C) Changing the protective walls, arc runners and arcing
contacts
• [Fig. 48]. Pull out two protective walls (3).
• [Fig. 50]. Loosen screws (6a) with tool (SW4) and take
out front wall (6).
• [Fig. 50]. Loosen screw (5a) with tool (SW5) and take
out the front arc runner (5).
• [Fig. 50]. Take out the back arc runner (4) by loosen
two screws (4a) with tool (SW5). Don’t remove the pro-
tective cap (4b).
• [Fig. 50]. Loosen and take out screw (7) inclusive lock-
ing plate (8). Don’t split up screw and locking plate!
• [Fig. 50]. Pull out axis (9). Pull out pre-arcing contact
(10) and put in new pre-arcing contact.
• [Fig. 50]. Put in axis (9) and protect it by the locking
plate (8). Tighten screw (7) with torque of 10 Nm
[88lbf*in].
• [Fig. 50]. Install front-arc runner (5) and back-arc run-
ner (4). Tighten it using torque of 10 Nm [88lbf*in].
• [Fig. 50]. Install front wall (6) and adjust it by position-
ing the protective wall. Tighten with torque of 10 Nm
[88lbf*in].
• [Fig. 48]. Put in two protective walls (3).

GE Gerapid 2607 Specifications

General

Brand	GE
Model	Gerapid 2607
Category	Circuit breakers
Language	English