RaycoWylie i4000, Instruction Manual

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69 i4000 Lattice Crane Instruction Manual
55M4000EBE00 Rev C
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Place the crane where it will not disturb other machines or operations in progress.
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Lock out all commands and make sure all functions are rendered inoperative.
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Make sure you lock out the start-up commands.
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Lower the boom to the ground if possible, or prevent it from falling.
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Lower the pulley block to the ground if possible, or prevent it from falling.
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Increase the hydraulic pressure of all hydraulic circuits before releasing or lifting the
hydraulic components.
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A «Danger» or « Broken» sign should be placed on the crane commands, to be removed
only by authorized personnel.
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Once the adjustments and repairs are finished, the crane should still not be used until all
the safety devices have been activated and the air released from the hydraulic system. The
instructions to release the air from the hydraulic systems should be provided by the crane
manufacturer.
6.5 Maintenance procedure
Before making any adjustments or repairs on the crane,
make sure you take these precautions.