TRANSPORTATION OPERATION LIFTING MACHINE 3 q Never carry out the lifting operation with any person on the machine. q Always make sure that the wire rope used for lifting the machine is of ample strength for the weight of the machine. q Never try to lift the machine in any posture other than the posture given in the procedure below. There is danger that the machine may lose its balance. q When lifting the machine,pay careful attention to the center of gravity to maintain the balance. When lifting the machine, carry out the operation on flat ground as follows. 1.
Start the engine and set the work equipment to the posture shown in the diagram on the right (boom raised to maxi- mum height, arm and bucket pulled in fully). Set with the upper structure facing straight to the front. (Idler end) 2. Set safety lock lever (1) securely to LOCK position (L). 3. Stop the engine, check that there is nothing around the operator's compartment, then get off the machine. Close the cab door and front glass securely. 4. Install shackles to the hooks at the top of the counterweight and boom, then fit wire rope. 5. Raise so that the length and lifting angle of the wire rope are as shown in the diagram on the right. (A): Min. 1.1 m (B): Min. 3 m (C): Max. 20° (D): Max.
33° 6. When raising, check that the posture does not change because of leakage of oil from the hydraulic circuit at the boom cylinder head end. 7. When the machine comes off the ground, stop and check the balance of the machine carefully. When the machine is stable, raise it slowly. 3-116 WARNING