The ARCBUMP is a rigging frame designed for flying a vertical ARCS®II array. It is part of the L-Acoustics ARCS®II rigging system, which also includes the ARCOUPL coupling bar.
Function Description
The ARCBUMP rigging frame is specifically designed for lifting and suspending a vertical array of ARCS®II elements. The ARCOUPL coupling bar is used for the mechanical connection of adjacent ARCS®II elements within the array.
Important Technical Specifications
ARCBUMP Rigging Frame:
- Dimensions: 767.9 mm (30.23 in) length, 645 mm (25.39 in) width, 61.7 mm (2.43 in) height.
- Weight: 11.5 kg (25.3 lbs).
- Material: Steel with anti-corrosion coating.
- Included accessories: 2 D-shackles Ø 18 mm, 6 safety slings 425 mm, 6 safety slings 155 mm.
- Compliance: Designed to comply with BGV-CI (2012) and EN ISO 12100-1 (2004) for flying arrays.
ARCOUPL Coupling Bar:
- Dimensions: 700 mm (27.6 in) length, 28 mm (1.1 in) width, 23.5 mm (0.9 in) height.
- Weight: 0.9 kg (2 lbs).
- Material: Aluminum.
- Included accessories: 4 D-shackles Ø 12 mm.
Mechanical Safety of Shackles:
L-Acoustics provides D-shackles with specific working load limits (WLL) and safety factors:
- Ø12mm shackles: WLL of 630 kg.
- Ø18mm shackles: WLL of 1250 kg.
- Ø22mm shackles: WLL of 2000 kg.
All shackles have a 6:1 safety factor and comply with BGV-CI (2012) recommendations for authorized maximum configurations.
Maximum Configurations (without SOUNDVISION modeling):
The ARCS®II rigging system supports various horizontal and vertical configurations:
For configurations exceeding these limits, the system must be modeled in SOUNDVISION, and the Mechanical Data section should be checked for any stress or stability warnings.
Usage Features
Safety Instructions:
- Always read the product information document, the rigging manual, and the maintenance section before installation or servicing.
- Heed all safety instructions, DANGER, and OBLIGATION warnings.
- Never use equipment or accessories not approved by L-Acoustics.
- Use only the rigging accessories described in the rigging manual and follow the associated procedures.
- Avoid subjecting the product to physical shocks, as severe or repeated moderate shocks can damage the steel coating and lead to corrosion.
- Do not store the product on an unstable cart, stand, tripod, bracket, or table.
Installation:
- The ARCBUMP and ARCOUPL are designed for easy integration into an ARCS®II array.
- Refer to the ARCS®II SYSTEM rigging manual for detailed procedures on rigging and safety limits.
Shipping and Inspection:
- Each L-Acoustics product is tested and inspected before leaving the factory to ensure perfect condition upon arrival.
- Upon receipt, carefully open the shipping carton and inspect for any damage.
- Any noticeable damage should be reported immediately to the shipping company or distributor, as only the consignee can initiate a claim.
- Retain the carton and packing materials for inspection by the carrier.
Maintenance Features
Regular Inspection:
- To ensure continued performance and safety, L-Acoustics products must be inspected regularly.
Repairing:
- L-Acoustics replacement kits (KR) are available for repairs.
- Any other repair work is not authorized and will invalidate the warranty.
- For specific repair needs or warranty information, contact an L-Acoustics representative.
Documentation Updates:
- L-Acoustics continuously evolves its techniques and standards, reserving the right to change product specifications and document content without prior notice.
- Users should regularly visit the L-Acoustics website (www.l-acoustics.com) to download the latest updates for documents and software. All essential documents for proper and safe installation and operation are freely available on the website.
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