Zoomlion QY30V, Manual

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Crane inspections Crane inspections
8.2 Re-inspections 8.2 Re-inspections
8.2.1 General 8.2.1 General
This crane has been tested and commissioned at the manufacturer’s facilities prior to This crane has been tested and commissioned at the manufacturer’s facilities prior to
shipment in accordance with the latest national standards. shipment in accordance with the latest national standards.
The safety level achieved during initial commissioning may not be attainable during The safety level achieved during initial commissioning may not be attainable during
operation. operation.
Examples of the root cause of such deviation include; e.g., rust, corrosion, effects of Examples of the root cause of such deviation include; e.g., rust, corrosion, effects of
forced operations, changes in the environment and changes to the mode of operation. forced operations, changes in the environment and changes to the mode of operation.
The inspection frequency varies with the application situations and the operating The inspection frequency varies with the application situations and the operating
conditions, but the minimum interval is one year. For details, please refer to the relevant conditions, but the minimum interval is one year. For details, please refer to the relevant
standards of GB3811 and GB/T6068. standards of GB3811 and GB/T6068.
If the crane is sold to foreign countries or regions, please apply local standards for If the crane is sold to foreign countries or regions, please apply local standards for
reference. reference.
There is a risk of weakening the supporting components when major changes or There is a risk of weakening the supporting components when major changes or
repairs are made to the crane! repairs are made to the crane!
In such cases, the operator must have the crane inspected by a competent In such cases, the operator must have the crane inspected by a competent
inspector before putting it back into service. inspector before putting it back into service.
A competent inspector is someone who has a thorough A competent inspector is someone who has a thorough understanding of cranes based understanding of cranes based
on technical training and experience and is knowledgeable about the relevant national on technical training and experience and is knowledgeable about the relevant national
occupational safety regulations, accident prevention regulations and generally occupational safety regulations, accident prevention regulations and generally
accepted engineering principles and is able to assess that the crane is safe to operate. accepted engineering principles and is able to assess that the crane is safe to operate.
A A professional professional engineer engineer is is someone someone who who has has rich rich experience experience in in designing, designing,
manufacturing and maintaining lifting equipment (e.g., crane) and is knowledgeable manufacturing and maintaining lifting equipment (e.g., crane) and is knowledgeable
about the relevant regulations and standards and is able to about the relevant regulations and standards and is able to use necessary equipment to use necessary equipment to
inspect, so as to access whether lifting equipment are safe and to determine what inspect, so as to access whether lifting equipment are safe and to determine what
measures to be taken. measures to be taken.
Re-inspection of crane is principally a visual inspection, wherein the inspector and Re-inspection of crane is principally a visual inspection, wherein the inspector and
engineer appraise the condition of the crane and its components. The purpose of the engineer appraise the condition of the crane and its components. The purpose of the
inspections is to prevent accidents by detecting deficiencies in a timely fashion. inspections is to prevent accidents by detecting deficiencies in a timely fashion.
A A number number of of important important examples examples of of items items that that are are particularly particularly important important during during the the
periodic crane inspections are listed in the following: We wish to advise that only periodic crane inspections are listed in the following: We wish to advise that only
competent inspector and professional engineer take sole responsibility for the competent inspector and professional engineer take sole responsibility for the
inspections that they carry out. This chapter does not necessary cover the entire scope inspections that they carry out. This chapter does not necessary cover the entire scope
Warning Warning