JBL Ceiling Loudspeakers - Manual (Page 14)

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Step 6 – Insert the Speaker Into the Ceiling and Tighten.
Insert the speaker into the ceiling as far as it goes, until the front baffle rim touches the
ceiling.
Turn the attachment screws to tighten the mounting tabs, by using the following
directions: IMPORTANT -- For each attachment screw, FIRST turn ½ turn
COUNTER-CLOCKWISE to release the mounting tab from its guide.
Then tighten the mounting tabs by turning the screw CLOCKWISE until tight. The
first ¼ clockwise turn rotates the attachment tabs outward and the remaining turns
tighten the tabs down onto the back of the ceiling surface. DO NOT
OVERTIGHTEN.
Figure 16:
Inserting Speaker
Into Ceiling
Figure 17:
Tightening Mounting Tabs