Manitowoc Published 06-24-16, Control # 241-01 3-3
2250 OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Item Description
1 HOIST—With your forearm vertical and forefinger pointing up, move your hand in small horizontal circles.
2
LOWER—With your arm extended downward and forefinger pointing down, move your hand in small horizontal
circles.
3 USE MAIN HOIST—Tap your fist on your head. Then use regular signals.
4USE WHIPLINE (auxiliary hoist)—Tap your elbow with one hand. Then use regular signals.
5 RAISE BOOM—Extend your arm, fingers closed, and your thumb pointing upward.
6 LOWER BOOM—Extend your arm, fingers closed, and your thumb pointing downward.
7
MOVE SLOWLY—Use one hand to give any motion signal and then place the other hand motionless in front of
the hand giving the motion signal (hoist slowly shown as an example).
8
RAISE BOOM and LOWER LOAD—With your arm extended and thumb pointing up, flex your fingers in and
out as long as load movement is desired.
9
LOWER BOOM and RAISE LOAD—With your arm extended and thumb pointing down, flex your fingers in
and out as long as load movement is desired.
10 SWING—With your arm extended, point with your finger in the direction of the swing of the boom.
11 STOP—With your arm extended and your palm down, move your arm back and forth horizontally.
12 EMERGENCY STOP—With both arms extended and palms down, move your arms back and forth horizontally.
13
TRAVEL—With your arm extended forward, hand open and slightly raised, make a pushing motion in the
direction of travel.
14 DOG EVERYTHING—Clasp your hands in front of your body.
15
TRAVEL (both tracks)—Using both of your fists in front of your body, make a circular motion about each other,
indicating the direction of travel forward or backward (for land cranes only).
16
TRAVEL (one track)—Lock the track on the side indicated by a raised fist. Travel the opposite track in the
direction indicated by a circular motion of the other fist, rotated vertically in front of your body (for land cranes
only).
17 EXTEND BOOM (telescoping boom)—Place both fists in front of your body with thumbs pointing outward.
18
RETRACT BOOM (telescoping boom)—Place both fists in front of your body with thumbs pointing toward each
other.
19
EXTEND BOOM (telescoping boom)—This is a one-hand signal. With a fist in front of your chest, tap your
chest with your thumb.
20
RETRACT BOOM (telescoping boom)—This is a one-hand signal. With a fist in front of your chest and the
thumb pointing outward, tap your chest with the heel of your fist.
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