User manual ELECTRO-VOICE XLVC RIGGING

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Manual abstract: user guide ELECTRO-VOICE XLVC RIGGING

Detailed instructions for use are in the User's Guide.

[. . . ] X-Line Very Compact Rigging Manual ELECTRO-VOICE® X-Line Very CompactTM Rigging Manual Table of Contents Rigging-Safety Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 XLVC Rigging System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. 1 Overview of the XLVC Flying System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] When greater tilt angles are required, the pickup points should be moved towards the center of the CBEAM. When using one pickup point, the vertical tilt of the array can be adjusted by changing the hole in which the pickup ring is installed in the CBEAM. The LAPS program can be used to determine which hole to use to achieve the desired vertical angle. The centering ring positions the pickup ring in the center of the CBEAM slot so that array will hang straight and not tilt sideways. To relocate the pickup ring, remove the cotter pin from the clevis pin and remove the clevis pin from the beam assembly. Move the pickup ring and centering ring to the desired hole and reinstall the clevis pin in the beam assembly holes, then secure the clevis pin with the cotter pin. For Shipping/Transport, the yoke and ring assemblies may be installed in the beam assembly, as shown in Figure 9e, so that all moving parts are recessed. MAKE SURE THAT THE EACH CLEVIS PIN SECURING EACH PICKUP RING TO THE BEAM IS LOCKED IN POSITION BY THE COTTER PIN. DO NOT LIFT ANY ASSEMBLY OVERHEAD WITHOUT A COTTER PIN TO LOCK EACH CLEVIS PIN. Pickup Ring Centering Ring Coupler Beam Quick-Release Pin Yoke Note: Coupler Beam shown cutaway for better conceptualization and clarity. Quick-Release Pin Grid Figure 9a: CBEAM Rigging Assembly ELECTRO-VOICE® X-Line Very CompactTM Rigging Manual 28 Figure 9b: CBEAM Dual-Array Configuration Using Grid Positions A and C Tilting Down (Hole #1 at Rear) Tilting Up (Hole #1 at Front) Tilting Down (Hole #1 at Rear) Tilting Up (Hole #1 at Front) Figure 9c: CBEAM Single-Array Configuration Using Grid Position B One Pickup Point Two Pickup Points Figure 9d: CBEAM Pick Up Options 29 ELECTRO-VOICE® X-Line Very CompactTM Rigging Manual Step 1: Install Pickup Rings in Hole #10 and #29 and Yokes in Positions A and C Step 2: Rotate Yokes, Then Drop Pickup Rings (View Shown Cutaway for Clarity) Figure 9e: CBEAM Shipping/Transport Configuration 2. 5 Using the XLVC-BGK and Grid for Pull Up The XLVC-BGK is a rigging kit with the hardware necessary to install front hinge bars and rear swing arms on the bottom of the XLD281 and XLE181 loudspeaker system enclosures. This makes it possible to attach a grid to the bottom of an enclosure. The bottom grid can be used as a pull back on the bottom of a column to achieve downward tilt angles for the entire array that are greater than could be achieved from just a grid. The XLVC-BGK consists of two front hinge bars, two rear swing arms, a shoulder bolt for the hinge bars and four sets of quick-release pins with screws to attach the lanyards to the enclosure rigging, as shown in Figure 10a. Install the rectangular ends of the two hinge bars into the front rigging tubes the XLVC enclosure, as shown in Figure 10a, and secure each in the tubes with a quick-release pin having a green lanyard. Make sure that the hinge bars are installed into the rigging tubes on the enclosure so that the two holes on the back side of the tube line up with the two holes on the bars. Install the large hex-socket-head shoulder bolt through the slot in the rigging tube into the rear of the front hinge bars. The head of this bolt will serve as a handle to move the hinge bars in and out of the tubes. On each side of the enclosure, insert one of the small hex-socket-head bolts through the tab of the lanyard securing the hinge bar and through the tab of another matching quick-release pin having a green lanyard, then screw the bolt into the threaded hole on the side of the enclosure rigging. The extra quick-release pin on each side will be used to secure the hinge bars to the bottom grid. The newly added rigging should match the hinge bar and lanyards at the top of the enclosure. The extra front hinge bars at the bottom can be retracted into the rigging tubes during transport. Secure the swing arms to rigging channels on each side of the enclosure by inserting a quickrelease pin having a yellow lanyard into the 3° hole on the rigging channel, as shown in Figure 10a. The extra quick-release pins having a yellow lanyard will be used to attach the loose end of the swing arms to the bottom grid. There is insufficient room for both sets of swing arms to be retracted into the rear rigging channel during transport. [. . . ] Always raise and lower the load slowly and evenly, avoiding any rapid changes in speed or shifting loads that could result in a sudden jolt to the suspended system. Building, Tower or Scaffold Supports: Prior to each use, the strength and load-bearing capabilities of the building, tower or scaffold structural supports should be evaluated and certified by a professional engineer as being adequate for supporting the intended rigging system (including the loudspeakers, grids, chain hoists and all associated hardware). Prior to each use, inspect the building, tower or scaffold structural supports for any cracks, deformation, broken welds, corrosion, missing or damaged components that could reduce the structural strength. Damaged structural supports should be replaced or repaired and recertified by a professional engineer. [. . . ]

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