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79
Changing the Offset of the Jib
1
2
3
1 0º Offset Hole
2 20º Offset Hole
3 40º Offset Hole
Jib Offset Angle:
“Jib offset angle” refers to the angle formed by the centreline of the jib and
the centreline of the boom. The jib is mounted on the boom head and is used for lifting a relatively
light load to a higher location. There are three offset angles (0°, 20° and 40°) can be set based
on the requirement of the operation.
The above Figure, shows that the Jib at 0º offset angle position. If need to change the offset
angles, refer to the below procedure.
Procedure for Offset Angle Change:
Increasing the Jib Offset Angle (from 0° to 20° or 40°)
1. Set the crane on fully extended outriggers position.
2. Retract the boom fully and set it to the horizontal.
3. Lower the boom to minimum boom angle.
4. Remove the auxiliary hook block and secure the rope socket to the bracket on the jib using the
fixing pin.