Lull 1044C-54 Series II Operation Manual - Manual (Page 149)

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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