Instructions / Assembly

INSTALLATION I（NEW CONSTRUCTION）
Fix one side of the bracket assembly to the joists by
drilling 2 tapping screws (ST4x20) which have been
fixed on it. (Fig.3）
Adjust the length of bracket assembly as the
spacing between joists, and install to joist by drilling
the other 2 tapping screws which have been fixed
on the other side. Adjust the active part of bracket
assembly to the proper position. (Fig.3）
Tab
Fig.2.a
Fig.2.b
IMPORTANT:
Remove the tape from damper and adaptor
before installation. As shown below:
Fig.4
Fig.3
Joist
Screws
(ST4X20)
2 screws
(ST4X30)
Place the adaptor on the bracket assembly as
indicated position and install it by using 2
self-drilling screws (ST4X30). (Fig.4)
Unit: inches (mm)
5
Fig.1
Two cases of spacing L :
L
Joist situation:
12 inches (305 mm)
16~24 inches (406~610 mm)
A
B
If the spacing L is 16~24 inches (406~610 mm),
use the suspension bracket assembly.
Bend down 8 tabs for positioning as (Fig.2.a) and
unfold the bracket assembly as (Fig.2.b).
If the spacing L is 12 inches (305 mm) on joists,
please follow the installation step as (Fig.1).
Secure 4 screws (ST4X30) at flange of frame to the
joists. Then follow steps 6 to 9 of installation
(page 6-8) to complete the installation.
Please wear gloves during the installation work.
CAUTION:
11 4/5~22 1/2 (300~579)
！
4 screws
(ST4x30)
A
Ⅰ
B
1.
2.
3.
4.
Active part
Position
of adaptor