P 2500 - P 500
3
Pressure spring type F1.2 = Balancing spring
Wire diameter 0,24in
For barriers above 137.79in boom length
3. During installation of the balancing springs please observe the correct
positioning in the spring assembly (see drawing below – positions of the
pressure springs on the support plate).
Drawing 16
a = 2 springs
b = 3 springs
c = 4 springs
It is not permitted to operate the barrier with only one spring mounted!
4. Activate the mechanical emergency release of the barrier and place the
barrier boom manually in position 45°. The barrier boom has to level itself
in this position. If necessary, correct the boom position by
tightening/loosening of the spring tension.
Drawing 17
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