ARCSWIFO_RM_EN_3.0 w w w . l - a c o u s t i c s . c o m 11
4.2 Flying
No bridled suspension on two WIFOLIFT bars.
Always use 1 load-bearing line per pick-up point.
Pullback implementation
By using rigging points at the rear of the installed coupling bars, an ARCS
®
WIDE/FOCUS horizontal or
vertical array can be implemented in pullback configuration. Refer to APPENDIX A PULLBACK
IMPLEMENTATION.
Final check before flying the system
Coupling bars: All lugs of locking tabs must be secured, as indicated in PROCEDURE A.
Shackles: All safety pins must be secured as indicated in PROCEDURE D.
Truss clamping
By installing a CLAMP250 instead of a shackle, an array can be attached to a truss.
Refer to PROCEDURE D Attaching a shackle or CLAMP250.
Horizontal 2 or 4 enclosure
Place the enclosures in vertical position, side-by-side, logo down and rails aligned.
Remove all top WIFORIG bars from their storage location.
Install the WIFOLIFT bar(s).
See WIFOLIFT p 8-9.
Refer to PROCEDURE A.
Slide and lock the WIFORIG bars into all top remaining adjacent rails.
Refer to PROCEDURE A.
Attach a shackle on each of the WIFOLIFT bars.
Refer to PROCEDURE D.
Slightly raise the array.
Remove all bottom WIFORIG bars from their storage location.
Slide and lock WIFORIG bars into all bottom adjacent rails.
Refer to PROCEDURE A.
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