PA Rigging / L-Acoustics / L2 / Securing LA-RAK III on L2-BUMP

L2 — Securing LA-RAK III on L2-BUMP

Mounting an LA-RAK III amplified rack on top of L2-BUMP with LA-RAKMOUNT rails, an optional step before flying an L2/L2D array. Reference: LA-L2-RAKMOUNT-01. Follow in order — this is a sequential rigging procedure, not an independent checklist; steps depend on the ones before them.

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Safety notes

Minimum 2 operators. Rigging accessories: L2-BUMP, LA-RAKMOUNT, 8 M8×30 screws (provided with LA-RAKMOUNT), 2 L2-BAR, 4 Ø19 mm shackles WLL 3.25 t.
Tools: screwdriver with T30 Torx bit.
Risk of falling objects — verify no unattached items remain on the product or assembly.
Always implement a bridle suspension using two LA-SLING2T — never a single-point pickup.

Mounting the Rack

Position and secure the two rails of LA-RAKMOUNT to L2-BUMP with the 8 M8×30 screws. Use the electric screwdriver with a 13 mm hex bit and set the torque to 5 N.m. Install L2-BAR on each side of L2-BUMP. L2-BAR can be attached as a rear or front extension, in position A or B. Remove the coupling bars from LA-RAK III by turning the spring-loaded safety mechanisms to release the bars and sliding them out. Position LA-RAK III on the LA-RAKMOUNT rails. Secure LA-RAK III with the coupling bars — always insert them so the round safety mechanisms point upward: from the back for a negative angle (rear extension), from the front for a positive angle (front extension). Insert the spring-loaded safety in the rails, give a quarter turn, and slide the bar until the safety locks into place.

Rigging the Bridle

Select the pickup points on each L2-BAR — always implement a bridle suspension using two LA-SLING2T. Connect one leg of each LA-SLING2T to L2-BAR hole 1 (the closest to the front of the array) — the other legs can be connected to holes 9 through 17.

Source: L-Acoustics L2 Owner's Manual, EN, v5.0. Rigging procedures, pp.93-96.