2-23
W A R N I N G
The front winch is not designed for lifting personnel or loads. Observe the following
safety rules:
1. Never lift or carry personnel with the winch and wire rope.
2. Do not allow anyone to stand near or under the load being moved.
3. Be sure the cable is securely anchored in the drum and that at least 5 wraps of rope
remain on the drum to ensure against the rope pulling out of its anchor.
4. Stand clear of a loaded winch cable. If it breaks, it can be very dangerous.
5. Keep hands clear of the winch and any sheaves that the cable passes over when the
winch is being operated.
CAPACITY EXAMPLES FOR BOOM EXTENSION
The MAIN BOOM and BOOM EXTENSION capacity charts must both be considered when
using the boom extension. The smaller capacity specified by the two charts must be used.
Refer to the IC-40-2D Capacity Chart on page 2-16 and 2-17 for the following examples:
In this first example the boom is elevated to 30° over the side of the crane. The boom
extension is offset to 15°, and the load radius is 14 feet (4 m). The outriggers are fully
extended on concrete pavement and the crane is level. The column for 360° ROTATION, ON
OUTRIGGERS shows the capacity at the 14-foot (4 m) load radius to be 2350 pounds (1160
kg). The column for 8-FOOT (2.4 METER) BOOM EXTENSION - STRAIGHT OR OFFSET,
MAIN BOOM ANGLE 30° shows the capacity at the 15° boom extension angle to be 1250
pounds (560 kg). Since 1250 pounds (560 kg) is less than 2350 pounds (1160 kg), the load
(including the downhaul weight and slings) must be limited to 1250 pounds (560 kg).
In the second example the boom is elevated to 45° over the side of the crane. The boom
extension is offset to 0°, and the load radius is 26 feet (7.5 m). The outriggers are fully
extended on concrete pavement and the crane is level. The column for 360° ROTATION, ON
OUTRIGGERS shows the capacity at the 26-foot (7.5 m) load radius to be 850 pounds (450
kg). The column for 8-FOOT (2.4 METER) BOOM EXTENSION - STRAIGHT OR OFFSET,
MAIN BOOM ANGLE 10° shows the capacity at the 0° boom extension angle to be 1200
pounds (540 kg). Since 850 pounds (450 kg) is less than 1200 pounds (540 kg), the load
must be limited to 850 pounds (450 kg).
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