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5.0 EVF and EVH Rigging System (cont.)
5.212 Eyebolt Installation
Installation instructions follow:
1. Remove the M10 flat-head bolts from the enclosure (see Figure 18a).
2. Screw the lifting eyebolt with fender washer into the threaded attachment point until the fender washer has contacted the enclosure (see Figure 18b).
3. Continue to finger tighten the eyebolt until the correct alignment position is obtained, a maximum of one complete turn.
4. All hardware supplied by the user must be rated for overhead lifting to suspend the loudspeaker system.
5. Never install the eyebolt without the factory-supplied washer.
Eyebolts must be fully seated and oriented in the plane of pull (see section 5.211 Eyebolt Application
Warnings, Figure 17). Always use the factory-supplied fender washer to distribute the load on the enclosure. Over tightening the eyebolt with a wrench, screwdriver, etc., can result in a system failure and possible injury.
Figure 18a:
Removal of the flat-head bolts from the enclosure
28
Figure 18b:
Installation of eyebolts and washers to the enclosure
Electro-Voice EVF/EVH User Manual
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Table of contents
- 3 Rigging-Safety Warning
- 4 1.0 Introduction
- 9 1.1 Finishes and Colors Available
- 9 1.2 EVF Front-Loaded Series
- 9 1.3 EVH Horn-Loaded Series
- 10 1.4 Accessories for EVF and EVH Systems
- 10 2.0 Tool List
- 11 3.0 Designing an EVF/EVH Cluster
- 11 3.1 General Aiming and Placement Guidelines
- 11 3.2 Choosing between the EVF Full-Range and EVH Full-Range Systems
- 11 3.21 Directivity Break Frequency Defined
- 12 Loudspeakers and How Far a Single Cluster Can “Reach” into a Venue
- 12 3.31 Basic Clustering Guidelines
- 13 3.4 Coverage-Uniformity Target
- 14 3.5 Multiple-Source Interference in Clusters
- 16 3.51 Reducing Multiple-Source Interference
- 19 4.0 Preparing EVF and EVH Systems for Installation
- 19 4.1 Recommended Preflight Procedures
- 19 4.2 Passive/Biamp Crossover Configuration
- 20 4.3 Rotation of High-Frequency Waveguides (EVF Systems)
- 20 Contours (EVH Systems)
- 21 4.5 Digital Signal Processing
- 21 4.51 Full-Range Systems in Passive Mode
- 22 Clusters that Operate on a Single Power-Amplifier Channel
- 22 4.53 DSP (Digital Signal Processor) Loudspeaker Presets for Biamp Operation
- 23 5.0 EVF and EVH Rigging System
- 23 5.1 Introduction
- 23 5.11 The Flying EV-Innovation (EV-I) Loudspeaker System
- 26 5.12 Important Details that Apply to the VRK and HRK Rigging Kits
- 26 5.2 EV-I Rigging Primer
- 27 5.21 Anatomy of an EVF or EVH Flying System Using M10 Eyebolts
- 27 5.211 Eyebolt Application Warnings
- 28 5.212 Eyebolt Installation
- 29 5.213 All-Eyebolt Clusters
- 31 5.22 VRK Kits and Vertically Rigged Clusters
- 32 5.23 HRK Kits and Horizontally Rigged Clusters
- 35 5.24 Assembly Instructions for VRK and HRK Kits
- 37 6.0 Rigging-Strength Ratings and Safety Factors
- 37 6.1 Working Load Limit and Safety-Factor Definitions
- 38 6.2 Structural-Rating Overview
- 39 6.3 All-Eyebolt Structural Ratings
- 40 6.31 Working Load Limits for Eyebolts
- 41 6.32 Suspension-Line Angles
- 41 6.33 Left-to-Right All-Eyebolt Cluster Angles
- 42 6.4 VRK Rigging Structural Ratings for Vertical Clusters
- 44 6.41 Working Load Limits for Eyebolts used with VRK Vertical Rigging Kits
- 45 6.42 Left-to-Right Vertical Cluster Angles
- 46 6.5 HRK Rigging Structural Ratings for Horizontal Clusters
- 47 6.51 Using Tie Plates as Main Load-Bearing Suspension
- 48 6.52 Suspension-Line Angles for HRK Kits
- 49 6.53 Symmetry for Horizontal Clusters using HRK Kits
- 50 6.54 Inner Connection Points
- 50 6.55 Left-to-Right Horizontal Cluster Angles
- 51 6.6 Ratings for Outdoor Applications with Wind Loading
- 51 6.7 Electro-Voice Structural-Analysis Procedures
- 52 7.0 Rigging Inspection and Precautions
- 53 8.0 Installation Instructions TK
- 54 8.1 Transformer Ratings
- 54 8.2 Approvals and Certifications
- 55 9.0 Refrences
- 55 9.1 Rigging (Printed)
- 55 9.2 Mechanical Engineering (Printed)
- 55 9.3 Rigging (Websites)