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Instead screw the ceiling mount to a secure joist or use a 1/2“painted wood butch plate secured to the joists and the • I • / i t II ceiling mount screwed to the butch plate. After screwing the ceiling mount to the ceiling thread the knuckle assembly on to the ceiling mount. With a alien wrench, slightly loosen the knuckle assemble screw. 4. Using the three supplied nylon spacers, mount the triangle shaped projector mount on the projector With the enclosed bolts and lock washers. Be sure to