ASSEMBLING INSTALLING COUNTERWEIGHT WARNING: Never allow anyone to enter into the area under the lifted counterweight. 1 2 1. Lift counterweight (1) using a crane. 2. Insert the convex bosses of counterweight (1) into holes on the back face of base machine (2). Tighten bolts (3). Tightening torque: 2800 N•m (280 kgf•m, 2025 lbf•ft) 3. Install plates (6) and lock plates (4) onto the convex boss surfaces, and tighten them with bolts (5). Tightening torque: 700 N•m (70 kgf•m, 506 lbf•ft) 4. Bend the cornres of lock plates (4) to prevent bolts (5) from loosening. Counter Weight M116-07-024 3 5 4 6 M116-07-020 6-5