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27
EN
12.2
Spring tensioning
A
1
2
3
B
C
MAGGIORE TENSIONE
HIGHER TENSION
MINORE TENSIONE
LOWER TENSION
A
1
B
2
C
3
MEDIA TENSIONE
MEDIUM TENSION
MAGGIORE TENSIONE
HIGHER TENSION
MINORE TENSIONE
LOWER TENSION
MEDIA TENSIONE
MEDIUM TENSION
C-3
A-1
-
-
+
+
BARRIER INSTALLED ON THE RIGHT - seen from the inspection hatch side
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BARRIER INSTALLED ON THE LEFT - seen from the inspection hatch side
APPROXIMATE EXAMPLES
Each installation is unique and the tension of the springs must be checked and tested.