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Rigging sling chart5/20/2023 ![]() ![]() Position the bight for a choke lift at 1200 (natural angle) to If the slings are to be used inĪ multi-leg arrangement, the angle formed between the legs should be not less than 300 or greater than 900. Never expose to direct heat or flames.Įstablish the weight of the load, and with reference to the safety chart ensure that the selected mode of use will give a sufficiently high W.L.L. Generally, do not expose the slings to chemicals, or temperatures above 800C and below 00C. Polypropylene (Brown label) is little affected by acids or alkalis but is damaged by some solvents, tars and paints. Polyamide/Nylon (Green label) is virtually immune to alkalis but is damaged by acids. The majority of slings are polyester (Blue label) which is resistant to moderate strength acids but is damaged by alkalis (see table for guidance). In case of cuts or significant abrasion or of any case of doubt, the sling should be taken out of service and the advice of Certex sought. ![]() Chemical damage will show as local softening or powdering of the sling or its outer cover. ![]() Also examine the stitching of seams and eyes for any deterioration, and any end fittings for cracks or damage. Examine thoroughly for surface chafe, cuts in the webbing or selvedges or the covers and core of Round slings. Slings should never be modified or repaired in any way. Unidentified or damaged slings should not be used. Slings should only be used by trained operatives, and should be inspected before, during, and after use.
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