Auxiliary Hoisting Lines
Line Guides
If used, check to ensure they are not causing undue wear on the cable and that they are performing properly. Screw pin shackles should not be used for line guides on active hoist lines. The pins may be unscrewed by the movement of the cable and result in a dropped object.
Bolt-type Anchor Shackle
End Connections
Check that thimbles and mechanical sleeve fittings are not deformed or bent. Check for broken wires in and around factory installed mechanical sleeve fittings.
Active hoist lines should always have factory installed fittings. If wire rope clips are used on hoist lines, the load rating of the cable should be reduced by 20 percent. Poured socket fittings done with Thermoset resin should be checked for cracks and broken resin in the fitting. Inspect the winch socket to ensure the anchor point is secure and the cable will not come off the drum.
Knowledge Check Choose the best answer for the question.
6-3. Why should you never use screw pin shackles for line guides on active hoist lines?
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