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2.2 Visual load indicator:
3M manufactures both webbing and cable SRLs. These SRLs contain different load indicators to indicate
when a fall has occurred. Different load indicators will require different inspection methods.
2.2.1 Cable SRL:
Cable SRLs incorporate a constant force energy absorbing coil and/or an impact indicating snap hook
designed to deploy in the event of a fall. This will result in the coil protruding from the top of the SRL or the
impact indicator on the hook showing deployment. To inspect the visual load indicator, visually examine the
SRL for any exposed red color on the absorber coil or snap hook indicator. (See Figure 9). If any red color is
visible on the absorber coil or impact indicator snap hook, then loading has occurred. SRLs that have been
subjected to loading must be removed from service and recertified by an authorized person.
NOTE: Authorized person means a person who is trained and approved by 3M to identify hazards or dangerous
conditions of the self retracting lanyard.
Figure 9a —Deployment of cable energy absorber
Figure 9b —Impact indicating snap hooks showing exposed red
warning color once deployed
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