May 2015
Second Edition - First Printing
Part No. 57.0009.0607
GTH 4016 R - GTH 4018 R - GTH-5021 R 99
STOP. With arm
extended horizontally to
the side, palm down,
arm is swung back and
forth.
EMERGENCY STOP. With both arms extended
horizontally to the side, palms down, arms are
swung back and forth.
HOIST. With upper
arm extended to the
side, forearm and index
finger pointing straight
up, hand and finger
make small circles.
RAISE BOOM. With
arm extended
horizontally to the side,
thumb points up with
other fingers closed.
SWING. With arm
extended horizontally,
index finger points in
direction that boom is to
swing.
RETRACT
TELESCOPING BOOM.
With hands to the front
at waist level, thumbs
point at each other with
other fingers closed.
RAISE THE BOOM
AND LOWER THE
LOAD. With arm
extended horizontally to
the side and thumb
pointing up, fingers
open and close while
load movement is
desired.
DOG EVERYTHING.
Hands held together at
waist level.
LOWER. With arm
and index finger
pointing down, hand
and finger make small
circles.
LOWER BOOM. With
arm extended
horizontally to the side,
thumb points down with
other fingers closed.
EXTENDED
TELESCOPING BOOM.
With hands to the front
at waist level, thumbs
point outward with other
fingers closed.
TRAVEL/TOWER
TRAVEL. With all
fingers pointing up, arm
is extended horizontally
out and back to make a
pushing motion in the
direction of travel.
LOWER THE BOOM
AND RAISE THE
LOAD. With arm
extended horizontally to
the side and thumb
pointing down, fingers
open and close while
load movement is
desired.
MOVE SLOWLY. A
hand is placed in front of
the hand that is giving
the action signal.
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