© 1997 Manitowoc Cranes, Inc.
Rev. 04-09-97 Dwg. 184679-1
STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS
Complies with ASME/ANSI B30.5 — 1993
da0108
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 hor-
izontal circles.
USE MAIN HOIST. Tap fist on
head; then use regular signals.
USE WHIPLINE. (Auxiliary
Hoist.) Tap elbow with one
hand; then use regular signals.
RAISE BOOM. Arm extended,
finger closed, thumb pointing
upward.
LOWER BOOM. Arm extend-
ed, fingers closed, thumb
pointing downward.
MOVE SLOWLY. Use one
hand to give any motion signal
and place other hand motion-
less in front of hand giving the
motion signal. (Hoist slowly
shown as an example.)
RAISE BOOM & LOWER
LOAD. With arm extended,
thumb pointing up, flex fingers
in and out as long as load
movement is desired.
LOWER BOOM & RAISE
LOAD. With arm extended,
thumb pointing down, flex fin-
gers in and out as long as load
movement is desired.
SWING. Arm extended point
with finger in direction of swing
of boom.
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