Hand Signals
Special Signals - When signals for auxiliary equipment functions or conditions not
covered are required, they shall be agreed upon in advance by the operator and signalman.
EMERGENCY STOP - With both
arms extended laterally, hands
open downward, move arms back
and forth.
STOP - With either arm extended
laterally, hand open downward,
move arm back and forth.
STOP ENGINE - Draw thumb or
forefinger across throat.
RAISE BOOM - With either arm
extended horizontally, fingers
closed, point thumb upward.
LOWER BOOM - With either arm
extended horizontally, fingers
closed, point thumb downward.
MOVE SLOWLY - Place one hand
motionless in front of hand giving
motion signal. (Raise load slowly
shown)
EXTEND BOOM - With both hands
clenched, point thumbs outward.
RETRACT BOOM - With both
hands clenched, point thumbs
inward.
THIS FAR TO GO - With hands
raised and open inward, move
hands laterally, indicating
distance to go.
TILT FORKS UP - With one arm
held at side, extend other arm
upward at about 45 degrees.
TILT FORKS DOWN - With one arm
held at side, extend other arm
downward at about 45 degrees.
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