OBO Bettermann EX BES Montageanleitung Seite 27

4.3
Note!
Mounting instructions, strip earthing clamp for Ex areas
4. Tighten the clamping screw
the pre-tensioning tool to prevent the pressure trough
ming in the clamp element
5. Remove the pre-tensioning tool and tighten the clamping screw
with 8 Nm.
Tightening the pressure screws
10 mm
Fig. 6: Tightening the pressure screws
1. Alternately tighten the pressure screws
the plastic hood
WAF: 10 mm
The yellow, reactive screw lock requires approx. 6 hours to harden fully.
Do not slacken the screws of the strip earthing clamp again after mount-
ing.
2. Replace the corrosion protection at the contact point.
with 5 Nm. At the same time, release
4
.
6
lifts off in parallel to the pipe.
1
Mounting
from jam-
3
+ with 2 Nm, so that
2 7
4
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