Maeda CC423S-1, Operation Manual

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5.2.2 HOISTING MACHINE WITH BOOM RAISED
• For the dimensions and mass of this machine, refer to “Specifications 1. Principal
Specifications List”.
• A person who uses the crane to perform hoisting operation must have the crane operation
qualifications.
• Do not perform hoisting operation with a worker placed on the machine.
• Only use a sling (e.g. wire rope and shackles) which is approved and capable of lifting the
mass of the machine.
• Put the machine into a level state when lifting.
• When performing lifting work, place the lock lever at the lock position to prevent the machine
from moving unexpectedly.
• Never get under or around the lifted machine.
• Be sure to lift the machine only in the following procedure and at the sling installation
position (right and left bracket hole position of the boom at two locations). If lifting the
machine in a manner other than mentioned above cannot be avoided, consult us or our sales
service agency.
CAUTION
• When lifting the machine, use two wire ropes for slinging of the same standard and two
shackles.
• Wire rope: breaking load 160 KN or more (6

37 – ϕ 18

2.5 m)
• Shackle: working load 2.5 t or more Nominal 20 (except format SD)
• When lifting the machine with the boom raised, be sure to store the hook block in the normal
stowage position.
For details, refer to “Operation 3.17.2 Crane Stowage Operation at the Time of Normal
Stowage of Hook Block”.
When lifting the machine, perform the following on a firm,
level ground.
1. Fully retract the boom and raise to 70 degrees.
2. Refer to “Operation 3.17.2 Crane Stowage Operation at
the Time of Normal Stowage of Hook Block” to hang the
hook block to the stowage rope.