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18
GT-1 User Manual
Head-down mounting
Using omega brackets
To hang the GT-1 from a rigging truss or similar structure with the head hanging
downwards using omega brackets and rigging clamps:
Obtain two omega brackets that are approved for the weight of the fixture. Line up
the camlock quarter-turn pins in the brackets with the holes int the base and turn the
locking levers a full 90° clockwise to lock.
Bolt a suitable rigging clamp to each omega bracket.
Fasten the rigging clamps to a rigging truss.
Secure the fixture as directed in ‘Securing the fixture with a safety cable’ earlier in
this chapter.
Bolting rigging clamps directly to the fixture
Warning!
The threaded holes provided for fastening installation clamps to the base are
19 mm (3/4”) deep. Use fasteners that extend at least 11 mm (7/16 in.) and no more
than 19 mm (3/4 in.) into these holes.
To hang the GT-1 from a rigging truss or similar structure with the head hanging
downwards using rigging clamps bolted to the fixture:
Obtain two suitable rigging clamps that are approved for the weight of the fixture
Bolt the rigging clamps directly to the base with suitable 12 mm diameter fasteners.
Two countersunk 12 mm screws are shipped with the fixture for this purpose.
Fasten the rigging clamps to a rigging truss.
Secure the fixture as directed in ‘Securing the fixture with a safety cable’ earlier in
this chapter.
Figure 8. Using omega brackets
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