Hoist Rings - Jergens & Acme - #4

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Jergens, Inc. .............................................................................................................................................. LIFTING SOLUTIONS www.jergensinc.com 11 11.2 Engineer The Lift!! .... .................................................................................................................................... ...................................................................... .... .................................................................................................................. .... ................................................................................................................................................ .... ........................................................................................ .... ................................................................................................................................................ .... ........................................................................................................................................ .............................................................................................................. .... ...................................................... .. ............................................................................................ .. .......................................................................................... .... .......................................................................... DON’TS 1. Never pull a Center Pull Style hoist ring from the side. ...... .............................................................................................................. (See figure #1 on Installation Information; page 11.3). 3. Never use excessive sling angle. 4. Never steam clean or degrease hoist rings (could cause rusting and binding). ...... .................................................. ...... .......................................................................................................... with the lift. (See figure #2 on Installation Information; page 11.3.) DO’S ...... ................................................................................................................ with eyebolts used for angle lifts – see sling angle chart). 2. Visually inspect hoist ring prior to use. 3. Fully tighten hoist ring to recommended torque. Full thread engagement is required (no space between swivel bushing and lift). 4. Assure proper thread depth - do not shim. ...... ................................................................................................................ and pivot without restrictions. ...... .......................................................................................................................... effective thread engagement should be two times the diameter of the thread (1-1/2 times bolt diameter – steel). L = applied load on each leg of sling Sample Calculation: Sling Angle Applied Load (Degrees) (Pounds) 90 1000 75 1040 60 1155 45 1410 30 2000 15 3860 Jergens swivelling hoist rings are designed and rated to be pulled at any angle at the rated load. .................................................................................................................................................................................................... So be sure to consider the sling angle when selecting lifting equipment. See illustration below. Applied Load Changes With Sling Angle