12 RUSH Wizard User Manual
can use a screwdriver to tighten the screws in the center of the clamping
handles after you have hung the fixture on the mounting surface.
5. Hang the fixture on the wall over the two bolt or screwbolt heads using the
two slotted holes in the mounting bracket so that the fixture is held
securely and cannot fall off the bolts.
6. Install a safety cable as directed in ‘Securing with a safety cable’ on page
13.
Mounting the fixture on a truss
The fixture can be clamped to a truss or similar rigging
structure in any orientation using one or more closed-type
rigging clamps such as half-coupler clamps (see illustration
on right) that completely enclose the truss chord.
To mount the fixture on a truss:
1. Check that the truss can support at least 10 times the
weight of all fixtures and equipment to be installed on it.
2. Block access below the work area.
3. Check that the rigging clamp is undamaged and approved for the fixture’s
weight. Bolt the rigging clamp securely to the fixture’s mounting bracket
with a grade 8.8 minimum steel M12 bolt and self-locking nut (or as
recommended by the clamp manufacturer) fastened through one of the
clamp holes in the fixture’s folding bracket. You can use any of the holes
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