
Installation and Assembly - Truss Ceiling Adapter
Before you start make sure all parts shown below are included with your bracket.
WARNING
• It is the responsibility of the installer to verify that the
truss ceiling will safely support the combined load of
all attached hardware and componentry .
Select the location on the truss for positioning
adaptor and position the "U" Bolts over the top as
shown. Then attach the adaptor plate underneath
with the Hex Nut, lock washers and washers.
Note: The direction of the plate relative to the truss
will depend on the shape of the truss - see diagram
at bottom of page.
Tighten nuts snugly.
Adaptor Plate
Models: ACC 557
Patent Pending
This product is intended for use with UL
R
Listed products and must be installed by a
qualified professional installer.
*Combined Load Capacity:
1200 lb (544.3 kg)
*Total weight of components
and hardware
"U" Bolt
Attach the extension column according to the
instructions provided with it. Use a level to make
sure the column is plumb and make adjustments as
necessary.
Note: Insert the M5 x 10 mm tripoint screw in the threaded pipe
fitting as directed in the
extension column instructions. If
you are using an extension pipe
without a notch, drill a 11/64
(0.172") dia. hole through the
pipe and insert the screw through
the pipe. Failure to do so could
cause the assembly to fail.
Now tighten Hex Nuts to a maximum of 25 FP
(34 NM) so that the lock washer becomes flat.
Mount your bracket according to the instructions
provided with it.
Parts List
Description Qty Part #
Truss Ceiling Decoupler 1 1465-272
"U" Bolt 2 520-9241
Flat Washer 4 540-9407
Lock Washer 4 540-9424
Hex Nut 4 530-9308
M5 x 10 mm phil. screw 1 520-9250
Washer
Lock Washer
Hex Nut
3" x 3"
max.
For Rectangular, Square
or I-Beam trusses.
The direction of the Adaptor Plate will
depend on the shape of the truss.
3" dia.
max.
Notch
For Round Pipes.
1 of 1 ISSUED: 9-27-93 SHEET #: 128-9008-2 09-14-04
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