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Crane Signal Chart - sfgh
Research Methods (PSYU914)
University of Stirling
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USE MAIN HOIST - Tap fist on head, then use regular signals.
USE WHIPLINE - (Auxiliary Hoist) Tap elbow with one hand, then use regular signals.
HOIST - With forearm vertical, forefinger pointing up, move hand in small horizontal circle.
LOWER - With arm extended downward, forefinger pointing down, move hand in small horizontal circles.
RAISE BOOM - Arm extended, fingers closed, thumb pointing upward.
LOWER BOOM - Arm Extended, fingers closed, thumb pointing downward.
RAISE THE BOOM & LOWER THE LOAD -
With arms extended, thumb pointing up, flex fingers in and out as long as load movement is desired.
LOWER THE BOOM & RAISE THE LOAD -
With arm extended, thumb pointing down, flex fingers in and out as long as load movement is desired.
DOG EVERYTHING - Clasp hands in front of body.
SWING - Arm extended point with finger in direction of swing of boom.
STOP - Arm Extended, palm down, hold position rigidly.
EMERGENCY STOP - Arm extended, palm of body. in direction of swing of boom. position rigidly. down, move hand rapidly right and left, move hand rapidly right and left.
TRAVEL - Arm extended forward, hand open and slightly raised, make pushing motion in direction of travel.
MOVE SLOWLY - Use one hand to give any motion signal and place other hand motionless in front of hand giving the motion signal. (Hoist slowly shown as example)
TRAVEL (Both Tracks) - Use both fists in front of body, making a circular motion about each other, indicating direction of travel: forward or backward. (For crawler cranes only)
TRAVEL (One Track) - Lock the track on side indicated by raised fist. Travel opposite track in direction indicated by circular motion of other fist, rotated vertically in front of body. (For crawler cranes only)
EXTEND BOOM (Telescoping Booms) - Both fists in front of body with thumbs pointing outward.
RETRACT BOOM (Telescoping Booms) - Both fists in front of body with thumbs pointing toward each other.
EXTEND BOOM (Telescoping Boom) - One hand signal. One fist in front of chest with thumb tapping chest.
RETRACT BOOM (Telescoping Boom) - One hand signal. One fist in front of chest, thumb pointing outward and heel of fist tapping chest.
FLOYD CRANE RENTAL
A DIVISION OF FLOYD STEEL ERECTORS, INC.
310 RICHERT ROAD, WOOD DALE, IL 60191
WWW.FLOYDCRANE.COMWWW
T: 630-238-8383 * F: 630-238-8395 * INFO@FLOYDCRANE
Crane Signal Chart - sfgh
Module: Research Methods (PSYU914)
University: University of Stirling
