This video is intended for crane operators and demonstrates the essential hand signals for safely operating your HIAB loader crane.
NOTE
• If it is not possible to see the load and the entire working area clearly the crane operator is obliged to follow the instructions and signals given by a qualified person.
• The country-specific regulations for crane operator signals are to be used. Signals in this manual give a number of standard signals that can be used.
Lift - Raised arm and index finger raised. Circular motion with hand.
Lower - Arm pointing downwards and index finger down. Circular motion with hand.
Stop all crane movements Also: Hold the load in position. - Raise the open hand, with the palm clearly visible, and arm at shoulder height. Keep the hand still.
Emergency stop for all movements by the Crane. - Raise the hands and the arms to an oblique angle.
Very short movement - Place the hands a very short distance apart, with the palms facing each other. The hands may be held either horizontally or vertically. The next movement may be: Lift, lower, move the lifting gear, change the reach, or turn.
Change the reach - Signal with your hands.
• Sideways movement outwards with both hands. Thumbs outwards.
• Sideways movement inwards with both hands. Thumbs inwards.
Turn in the direction indicated - Indicate the direction with the hands.
Open the grapple - Extend the arms at shoulder height, with the palms facing downwards.
Close the grapple - Move both hands close together.
Lift the open grapple a little - Extend both arms at shoulder height, with the palms facing upwards. Make vertical movements with both arms outstretched.
Keep the grapple in position briefly - Raise the hand drooping slightly, with the fist clenched.