Maintenance of Shackles
For the maintenance of shackles, users should have newly purchased shackles inspected by dedicated personnel according to the relevant manual requirements before use to determine whether they can be put into use. The user unit or personnel should establish a ledger for the shackles put into use and manage them by numbering.
When using a shackle normally, whether before use, during use, or during intervals of use, it is necessary to develop a good habit of visual inspection. Once defects that affect safety performance are found, relevant technical personnel should be consulted, a safety evaluation should be made, and records should be kept to see if it can continue to be used.
During the inspection, it is necessary to confirm whether the release mark is lost, damaged, or if its content cannot be clearly identified due to contamination. Is the product certificate within its validity period. Check for looseness of fasteners such as shackles and horizontal pins, and check for abnormal conditions such as wear, corrosion, cracks (including welds), plastic deformation, etc. in the main load-bearing components of the metal structure. If the above situation is found, the scrapped or unqualified shackles confirmed by technical personnel should be placed in a dedicated location for stacking, and remember to recycle and dispose of them uniformly.
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