UPPERSTRUCTURE / Counterweight Installation CAUTION: Counterweight weight: 9150 kg (20200 lb) 1. Attach a lifting tool, wire rope and chain block to the lifting hole on counterweight in order to hoist. Adjust the wire rope length by using the chain block and make the counterweight horizontal. CAUTION: Do not stay under the lifted counterweight. 2. Install the projection of counterweight to the hole on bracket. W1J1-02-02-001 CAUTION: When using a power wrench, do not injure hands by the reaction bar. 3. Apply lubricant onto bolts (10) (2 used). Install the counterweight to the main frame with bolts (10) (2 used), washers (9) (2 used), washers (8) (2 used), nuts (7) (2 used) and shims (6).
Tighten bolt (10) by using a power wrench. : 65 mm : 2350 N m (240 kgf m, 1730 lbf ft) 4. Install the counterweight to the main frame with shims (5, 4), plate (3), lock washer (2) and bolt (1). : 36 mm : 440 N m (45 kgf m, 325 lbf ft) NOTE: Shims (4, 5) are installed in the clearance between plate (3) and the bracket 5. Install covers (11, 12) with bolts (13), spring washers (14) and washers (15) (11 used for each). W1J1-02-02-002 : 19 mm : 90 N m (9 kgf m, 66 lbf ft) 8 1 7 3 9 1, 2 W1J1-02-02-003 4, 5 Bracket Projection W2-2-2 1 2 3 4 5 6 Bracket 7 8 1 2 3 4 5 7 9 8 10 12 15 11 14 13 15 14 W1J 1 2 3 4 5 6 ket 7 8 5 7 9 8 1 12 15 14 13 15 1 0 7 8 5 7 8