SAFETY INFORMATION 2250 OPERATOR MANUAL
2-16
Published 06-24-16, Control # 241-01
•Jib Angle or Radius Indicator
- Make sure you know the boom angle (see Boom
Angle or
Radius Indicator on page 2-15).
- Measure the radius using a tape measure.
• Drum Rotation Indicator
- Mark the drum to indicate its rotation.
- If the operator cannot see the drum, add mirrors or
remote video cameras and displays so the operator
can see the mark.
• Swing Limiter or Proximity Device—Optional
The qualified person directing the lift shall establish
procedures to furnish equivalent protection (for
example, assign an additional signal person to observe
the distance between the boom or load and jobsite
obstructions including power lines, or to limit the swing
sector specified in the capacity chart).
• Drum Spooling Limiter
(maximum or minimum bail limit)—Optional
The qualified person directing the lift, the operator, or a
designated signal person shall watch the drum and
signal the operator to stop it before it is overspooled
(rope does not jump off drum) or before there are less
than three full wraps of wire rope on the load drum or
boom hoist.
• Closed-Circuit Television (CCTV)—Optional
A designated signal person shall watch the load, the
drums, and the counterweight and provide necessary
hand or voice signals to the crane operator.
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