S47183-e 01/2008 Design and specifications are subject to change without notice 41
D) Install the adapter
• [Fig. 48]. Install two protective walls (3). Use new ones
if necessary. Install two parings of adapter (2) and
tighten screws (1); use 5Nm [44lbf*in].
E) Install the arc chute
• [Fig. 49]. Put in arc chute (1) into adapter (2).
• [Fig. 49]. Tighten front- and backside connections of
the arc arc runners (3), including lock washer; use
10Nm [88lbf*in].
• [Fig. 49]. Tighten front- and backside of the arc chute
connections (4), including flat washers; use 5Nm
[44lbf*in].
Fig. 48 Adapter and protective walls
Fig. 49 Arc chute and arc runners fixing
Fig. 50 Changing pre-arcing contact.
8
3
1
2
4
5
2
1
6a
7
10
5a
5
4
4a
4b
6
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