User manual JBL BASS550

[. . . ] Fully insert the threaded portion (1) of the `thick' end of the ball/shaft (2) into the center opening (6) of the housing bracket (7), with the housing bracket middle `convex' area towards the threaded portion (1). Engage, and using a suitable wrench, securely tighten the split washer (8) and the nut (9) with the split washer (8) sandwiched between the `convex' area on the back of the housing bracket (7) and the nut (9). [. . . ] Engage, and using a suitable wrench, securely tighten the split washer (8) and the nut (9) with the split washer (8) sandwiched between the `convex' area on the back of the housing bracket (7) and the nut (9). Place the housing bracket (7) against the housing (10) of the speaker. The housing bracket (7) features an arrow and the word `UP' indicating the correct installation direction of the bracket. Using a suitable screw driver securely tighten all three bolts (11) to the back of the housing. If the bracket (7) is installed correctly, it will be sitting flush against the back of the housing. The back-up cord (13) is provided as an additional measure to prevent the fall of the speaker in the event the speaker becomes detached from the wall bracket. Two of the three screws should be used in the top two holes of the mounting bracket. The third screw is used in one of the wall bracket's (16) lower screw holes. Install the fourth #12 screw (20) making sure that it goes through the eyelet (15) at the end of the back-up cord (13) before it goes through the wall bracket's other lower screw hole. Using a suitable wrench, loosen the small nut (4) and the large nut (5) on the ball shaft (2) to allow the orientation of the speaker. Once the correct orientation is obtained fully tighten the large nut (5) with a suitable wrench until the ball/shaft (2) is locked into position and does not move. Tighten the small nut (4) with another wrench while keeping the large nut (5) tight using the first wrench. [. . . ] Once the correct orientation is obtained fully tighten the large nut (5) with a suitable wrench until the ball/shaft (2) is locked into position and does not move. Tighten the small nut (4) with another wrench while keeping the large nut (5) tight using the first wrench. [. . . ]