BODY (UPPERSTRUCTURE) / Counterweight REMOVE AND INSTALL COUNTERWEIGHT Removal CAUTION: Counterweight Weight: ZW220: 1620 kg (3600 lb) ZW250: 1900 kg (4200 lb) Lifting Tool CAUTION: 1. Park the machine on a flat place and stop the engine. 2. Put a check and apply the parking brake in order not to move the machine. 3. Lower the bucket onto the ground. Release hydraulic pressure in the hydraulic device. 1. Open the rear grill. 1 2 3 CAUTION: When removing counterweight (3) with the rear grill closed, the rear grill may be damaged. 2. Install the lifting tool to counterweight (3). Hoist counterweight (3) a little. 5 6 4 CAUTION:
When hoisting counterweight (3) too much, it difficult to remove bolt (5) and the screw part may be damaged. 3. Remove nuts (1) (2 used) and washers (2) (2 used) from bolts (5) (2 used) on the upper side. W4GB-02-02-001 : 46 mm 4. Loosen bolts (5) (4 used). Remove bolts (5) (4 used) and washers (4) (4 used) from counterweight (3) while finely adjusting the hoist of counterweight (3). : 46 mm 5. Move counterweight (3) to the rear side of frame (6) and remove the counterweight (3). W2-2-1