Choosing the hole for fixing the balance spring
Passage width clearance (m)
Boom with LED strip
Boom with LED strip and single skirt
Boom with LED strip and full-height skirt
Boom with LED strip and swing rest
Boom with LED strip, single skirt and swing rest
Boom with LED strip, full-height skirt and swing rest
Simple boom means the boom complete with slot cover, cap and rubber profile.
* The boom must be stabilised at 60° during the balancing procedure.
If the passage is wider than 3 m, you must use a support for the boom (fixed or mobile).
With a boom over 3.5 metres, LED strip and single skirt, you must used a fixed support.
With a boom over 3.25 metres, LED strip and full-height skirt, you must used a fixed support.
Single skirt (803XA-0340):
- max 2 modules for a 4 metre boom
Full-height skirt (803XA-0350):
- max 2 modules for a 4 metre boom.
2,25 < 2,75
2,75 < 3,25
1
1
1
2
1
2
-
-
2
2
2
3
3,25 < 3,50
3,50 < 3,75
1
2
2
3
3
3
2
2
3
3
*
-
3
*
3,75 < 4,00
2
3
3
*
3
-
-