7
Based on the unit structure, set the screw-pitch according to the
size of the following figures:
Wooden structure
Wooden span
Beam
Ceiling
Pendant bolt
Set and use supportive angle steel.
Steel beam and girder structure
Suspended bolt
Pendant bolt
Supportive angle steel
Set it with embedded bushes or embedded bolts.
New concrete roughcast
Flap type insert Slide type insert
Concrete iron
Embedded bolt
(With embedded
bolt in pipe)
CAUTION
The bolt is high-quality carbon steel (galvanized or coated with
other anti-rust materials) or stainless steel.
The ceiling anti-rust measures must be conducted in line with
actual construction. For details, consult a building engineer.
Suspending bolts must be fixed.
Use embedded bolts and embedded pulling plugs.
Table: 4-3
Table: 4-4
4.5 Install the panel
1. Remove the air-in grill.
CAUTION
Never put the panel face down on floor or against the wall,
or on irregularly shaped objects.
Never drop or strike it.
1) Slide two grill switches toward the middle at the same
time, and then pull them up. (Refer to Fig.4-12)
45°
2) Draw the grill up to an angle of about 45, and remove it.
(Refer to Fig.4-13)
2. Remove the installation covers at the four corners.
Wrench off the bolts, loosen the rope of the installation covers,
and remove them. (Refer to Fig.4-14)
Fig.4-12
Fig.4-13
fig.4-14
Grid switch
Put rectangular sticks across the beams and set pendant bolts.
Old concrete roughcast
Wooden structure
4.4 Procedure for installing the pendant bolt
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