RaycoWylie i4000, Instruction Manual

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67 i4000 Lattice Crane Instruction Manual
55M4000EBE00 Rev C
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Position and level the machine.
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The person who does the test should be qualified to operate the crane and the i4000 system.
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The crane and the system must be correctly configured.
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The capacity chart must be respected.
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A known weight, accurate by ± 1% and equal to the nominal capacity close to the
maximum radius should be used to test the alarm and the load indicator’s accuracy.
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Another known weight, accurate by ± 1% and equal to the nominal capacity close to the
minimum radius should be used to test the alarm and the load indicator’s accuracy.
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Rig with enough strands to lift a significant load.
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Measure and enter the radius and the load on the hook.
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Record the radius, load on hook, and number of strands on the display unit’s screen.
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Lift the load.
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Enter the current weight including the hook and the rigging accessories.
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Record the average, maximum, and minimum values.
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Rig the hoist, stop and record the same values than in the previous step.
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Record the current and displayed radius.
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Lower the load.
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RaycoWylie recommends that all tests be signed and dated, and a copy of the last test be
available at all times.
6.3 Checking the displayed load