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3. Put Template A (accessory) against the
ceiling and make a hole.
q Make 4 holes of 12 mm {1/2"} in diam-
eter.
w Remove the center part from the tem-
plate.
e Make a hole of 160 mm {6-5/16"} in
diameter.
* The hole shape is shown below.
4. Install two anchor bolts (M10 recommended) into the concrete ceiling.
q Determine the anchor bolt length by use of Template B (accessory).
w Position the nut by use of Template B (accessory). (The distance between the bottom
surfaces of the ceiling board and nut shall be 136 mm {5-3/8"}.)
Ceiling board
Note: If there is already an anchor bolt installed, the anchor bolt can be used as a second
anchor bolt. Make sure that the distance between the 1st and 2nd anchor bolts is 1 000
mm {39-3/8"} or less before use.
6
Anchor bolt
Template B
ø160 mm
{6-5/16"}
Use a nut
Determine the anchor bolt length
Install the anchor bolt in the center of the hole
ø12 mm {1/2"}
Ceiling face
(4 positions)
Template A
136 mm {5-3/8"}
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