UPPERSTRUCTURE / Main Frame 4. Remove all hoses from center joint (2). Remove lock plate (1). (Refer to the Remove and Install Center Joint section on W3-3.) 1 CAUTION: Upperstructure weight: 10800 kg (23800 lb) Upperstructure weight with removal / installation device: 11200 kg (24700 lb) 5. Install special tools (ST 0234, ST 0235) to the bracket at the mounting position for counterweight with the bolts (M45, Pitch 3.0 mm) and the nuts (2 used). Install the shackle (for 4.8 ton) to special tools (ST 0234, ST 0235) and attach a wire rope. Attach a wire rope onto the boom bracket. Hoist each wire rope by using a chain block. 2 W1J1-02-03-001 Rear Shackle :
70 mm W1J1-02-03-002 Bracket ST 0234, ST 0235 Nut Bolt W166-02-03-010 Front Wire Rope Boom Bracket W105-02-03-005 W2-3-2 S ST 0235 ST Bo S