Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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17-31
MAJOR SPECIFICATIONS
Points to notice, Rated load
• The net rated load is performance when the crane is placed level and is based on
actual working radius including boom deflection under loaded.
• ‘Outriggers max ext’ means the state that the inner box is extended to the position
where the 2nd mark is visible.
• ‘Outriggers not max ext’ means the state that the inner box is extended to the position
where the 2nd mark is invisible.
• When each of 4 outriggers has been set to different extension,operate the crane by
using the worst extended capacity.
• When each of boom sections being extended is exceeded even slightly,operate it by
application of the capacity for the next boom section.
• 15.5ft Boom means that the boom is extended to a position where the mark on
the 2nd boom-section is visible.
• 25.2ft Boom means that the boom is extended to a position where the mark on
the 3rd boom-section is visible.
• 34.9ft Boom means that the boom is extended to a position where the 1st mark
on the 4th boom-section is visible.
• 44.5ft Boom means that the boom is extended to a position where the 2nd mark
on the 4th boom-section is visible.
• 54.0ft Boom means that the boom is extended to a position where the 3rd mark
on the 4th boom-section is visible.