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5,000 LBS.<br />
RIGGING HARDWARE<br />
HOIST RINGS<br />
Used in the same manner as shoulder eye bolts, hoist rings pivot or swivel to<br />
provide a steady lift and maintain higher working load limits than shoulder<br />
eye bolts when lifting at angles.<br />
PRODUCT USE, CARE & INSPECTION<br />
MINIMUM ENGAGEMENT DEPTH<br />
Hoist rings should be<br />
threaded into the surface a<br />
minimum of 1-1/2 times the<br />
thread diameter.*<br />
NEVER USE washers<br />
or spacers between the<br />
mounting surface and<br />
the bushing flange<br />
Minimum<br />
Engagement Depth<br />
1-1/2 x diameter<br />
diameter<br />
RIGGING HARDWARE<br />
INSTALLATION INSTRUCTIONS & USE:<br />
• Drill and tap workpiece so that the hoist ring bolt is<br />
installed perpendicular to the surface of the workpiece.<br />
• Work surface (mounting surface) should be flat and<br />
smooth to provide full 360° flush seating for the<br />
bushing flange of the hoist ring. Mounting screws<br />
should always be tightened to recommended torque.<br />
(SAFETY NOTE: Some loosening may develop after<br />
prolonged service in a permanent installation. It is<br />
advisable to periodically re-tighten the mounting<br />
screw to maintain the specified torque value.)<br />
• The use of free fit spacers between the bushing flange<br />
and mounting surface is not recommended as this will<br />
reduce the safe load rating on angularly applied loads.<br />
• After installation, check hoist ring to be sure it swivels<br />
and pivots freely in all directions. Hoist ring must be<br />
free to swivel 360° and pivot 180° at all times.<br />
• When lifting, apply force gradually.<br />
EFFECT OF HOIST RING ANGLE ON LOAD<br />
LOAD IN LBS PER HOIST RING PER<br />
10,000 LBS. OF TOTAL LOAD<br />
11000<br />
10000<br />
9000<br />
8000<br />
7000<br />
6000<br />
5,000 LBS.<br />
30 0<br />
10,000 LBS.<br />
10,000 LBS. 10,000 LBS.<br />
5,774 LBS.<br />
10,000 LBS.<br />
5,774 LBS.<br />
7,071 LBS.<br />
10,000 LBS.<br />
7,071 LBS.<br />
10,000 LBS.<br />
RECOMMENDED<br />
ANGLES ARE IN<br />
SHADED AREA<br />
5000<br />
90 80 70 60 50 40 30 20<br />
HOIST RING ANGLE IN DEGREE ( TO HORIZONTAL)<br />
5,000 LBS.<br />
5,000 LBS.<br />
5,774 LBS.<br />
5,774 LBS.<br />
7,071 LBS.<br />
7,071 LBS.<br />
90 0 60 0 45 0 30 0<br />
10,000 LBS.<br />
10,000 LBS.<br />
Improper installation and use of<br />
hoist rings can cause injury<br />
To avoid injury or damage:<br />
Never exceed the rated capacity of the<br />
hoist ring.<br />
Install rings per instructions. Verify full<br />
360º seating - Retorque periodically.<br />
Consult angular lifting graph when<br />
lifting at other than 90º.<br />
10,000 LBS. 10,000 LBS. 10,000 LBS. 10,000 LBS.<br />
* Per ASME B30.26-2.9.4.2 “when used in a tapped blind hole, the<br />
effective thread length shall be at least 1-1/2 times the diameter of the<br />
bold for engagement in steel... For other thread engagements or in other<br />
materials, contact the eyebolt manufacturer or a qualified person”<br />
Always verify manufacturer's information prior to use.<br />
CHAIN & RIGGING ATTACHMENTS (CMRP-6)<br />
98<br />
PHONE: 800.888.0985<br />
WWW.CMWORKS.COM
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