User manual DA-LITE A101

[. . . ] Hardware Kits A101, A105, A109, A111 Form E-364 Rev. 08 / 10 Caution: These fasteners should be installed by qualified personnel into a surface that is capable of supporting a static load of four times the combined weight of the audio/visual device and mount. [. . . ] The screw should engage a minimum of 2/3 of the threads. Use a flat washer where applicable. Figure 1 Wood Stud Hardware Kit ­A105 1. Remove contents from carton and examine for damaged or missing parts. Drill a 3/16" diameter hole through the wall surface and into a stud to the depth of the screw length. Position the mount, insert the screw and tighten until secure. Use a flat washer where applicable. Figure 2 Hollow Block/Steel Stud Hardware Kit ­A109 1. Remove contents from carton and examine for damaged or missing parts. Drill a 3/4" diameter hole through the wall surface and into the structural part of the wall to accommodate the required fastener length. Fold the metal channel flat to the plastic straps and slide the channel through the hole in the wall. Allow channel to "unfold" inside of the wall. Make sure the channel is vertically positioned when used on steel studs. Pull plastic loop toward yourself so channel is flush behind wall and slide cap down the plastic straps until cap is against the wall. [. . . ] Drill a 7/16" diameter hole through the steel base material. Position the mount, insert the screw, thread on nut and tighten until secure. [. . . ]