GE Industrial Solutions GERAPID 2607, 4207, 6007, 8007 with arc chutes 1X2, 1X4, 2X2, 2X3, 2X4 - Manual (Page 44)

44 Design and specifications are subject to change without notice S47183e rev.03 2010-06-07
Fig. 50 Changing arcing contact.
6.2.2. Contact system (before 11/2003).
Pay attention to the warnings, Section 1!
This section is valid for breakers manufactured
before 11/2003.
This section refers to maintenance works A, B, C from Table 4.
A) Remove the arc chute and adapter
• See 6.2.1-A/B.
C) Changing the protective walls and arc runners
•
[Fig. 48]. Pull out two protective walls (3).
• [Fig. 50]. Loosen screws (6a) with Torx® 30 and take out
front wall (6).
• [Fig. 50]. Loosen screw (5a) with tool (SW5).
• [Fig. 50]. Take out the front arc runner as it’s shown.
• [Fig. 50]. Take out the back arc runner (4) by loosening
two screws (4a) with tool (SW5). Don’t remove the
protective cap (4b).
• [Fig. 50]. Install new front-arc runner (5) and new back-
arc runner (4). Tighten it using torque of 10 Nm [88 in-
lbs].
• [Fig. 50]. Install front wall (6) and adjust it by positioning
the protective wall (3) [Fig. 48]. Tighten it using torque of
10 Nm [88 in-lbs]
• [Fig. 48]. Put in two new protective walls (3).
Fig. 51 Taking out the front arc runner of old design
8
6a
7
9
10
5a
5
4
4a
4
6