Installing The Bump3 Rigging Bar(S) - L-Acoustics ARCS II Rigging Manual

B.

Installing the BUMP3 rigging bar(s)

Required number and position of BUMP3
1 BUMP3 for 2 or 4 ARCS
Preparing the BUMP3/ARCOUPL assemblies
For this procedure, the BUMP3/ARCOUPL assemblies must have been prepared. Refer to PROCEDURE E.

Attach each of the required BUMP3/ARCOUPL assemblies.
a. Remove the bolt/nut/pin assembly on the front end of each BUMP3/ARCOUPL assembly.
Orientation reference for the BUMP3
When installing the BUMP3, the serial number (SN) plate must be oriented towards the front of the array.
b. Slide each of the BUMP3/ARCOUPL assemblies into their respective location, (ie. into the free top adjacent
rails on the pre-assembled array), from the rear of the array.
c. Secure the front end of each BUMP3/ARCOUPL assembly, by reinstalling the bolt, the nut and the cotter pin.

Attach a shackle on each BUMP3.
Rigging hole on which securing the shackle
Refer to SOUNDVISION modeling to identify the BUMP3 hole that corresponds to the desired tilt angle
About site angle
As many variables can affect the actual site angle, it is recommended to use an inclinometer.
The bolt/nut/pin assembly removed

a
at the front end of a BUMP3/ARCOUPL assembly
The front end of a BUMP3/ARCOUPL

c
assembly secured
ARCSII_RM_EN_1.1
® II 2 BUMP3 for 1, 3, 5 or 6 ARCS
 PROCEDURE B : Installing the BUMP3

b
A shackle (Ø18mm) being

secured on the BUMP3
w w w . l - a c o u s t i c s . c o m
® II
A BUMP3/ARCOUPL assembly being slid
A 4-ARCS II horizontal array
®
END
ready to be flown
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