ARCS®II SYSTEMrigging manualVERSION 1.1ARCSII_RM_EN_1-1 w w w . l - a c o u s t i c s . c o m 12C. Installing the LIFTBAR rigging bar Attach the LIFTBAR to both BUMP3.a. Pass the U-shape of one of the Ø18mm shackles through the shackle attached to one of the BUMP3.b. Secure the new shackle to the LIFTBAR, by locking its pin through the LIFTBAR hole previously identified.c. Repeat this step on the other side of the LIFTBAR for the other BUMP3. Attach the Ø22mm shackle to the top hole on the LIFTBAR. PROCEDURE C : Installing the LIFTBARa The U-shape of a shackle (Ø18mm) passedthrough one of the BUMP3 shackle. b The shackle being secured. The LIFTBAR attached to the assembly.A shackle (Ø22mm) being secured on the LIFTBAR END A 3 ARCS®II horizontal array ready to be flown