Table of Contents Description Description ..............2 The Greenlee 6036 Triple Sheave is used to change the direction of a rope or cable while installing cable in Safety ................2 conduit or raceway. Use with any cable puller that has a Purpose of this Manual ..........
6036 Triple Sheave IMPORTANT SAFETY INFORMATION SAFETY ALERT Inspect all anchorings, structural supports and hook sheaves. Verify SYMBOL that they will safely withstand up to twice the cable puller’s maximum pulling capacity. This symbol is used to call your attention to hazards...
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6036 Triple Sheave IMPORTANT SAFETY INFORMATION Improper setup or operation may cause damage to equipment or personal injury. Follow setup instructions carefully. Failure to observe this warning could result in severe injury or death. Adjust top sheave to the lowest position above ground level.
6036 Triple Sheave Hook Load Reference Table Two variables interact with the sheave to produce a resultant (total) force, or hook load. This load, repre- Illustration θ sented by R in the formulas and illustrations, is exerted on the hook, anchoring, and structural support.
6036 Triple Sheave Hook Load (cont’d) Some Hook Loads Illustrated Hook Load Hook Load = Total Pulling Force 120° 180° A straight rope exerts no load on the hook and A rope that makes a 120° angle exerts the total structure.
6036 Triple Sheave Hook Load (cont’d) Calculating the Hook Load One Attachment Point To calculate the hook load exerted at one attachment point, use the Reference Table and Formula 1. Sheave with One Attachment Point Formula 1: R = 2 x T x SIN [(180 – θ) / 2] R = the resultant force, or hook load;...
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6036 Triple Sheave Hook Load (cont’d) Calculating the Hook Load (cont’d) Two Attachment Points To calculate the hook loads exerted at two attachment points, use the Reference Table and Formulas 1, 2, and 3. θ θ θ θ Sheave with Two Attachment Points...
6036 Triple Sheave REPRINTED WITH PERMISSION BY THE CROSBY GROUP Crosby Hoist Hook Warnings and Application Instructions • Loads may disengage from hook if proper pro cedures are not followed. • A falling load may cause serious injury or death.
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6036 Triple Sheave REPRINTED WITH PERMISSION BY THE CROSBY GROUP Read and Understand These Instructions Before Using Hooks Important — Basic Machining and Thread Information – Read and Follow • Wrong thread and/or shank size can cause stripping and • Consult the Crosby Hook Identification & Working Load loss of load.
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6036 Triple Sheave REPRINTED WITH PERMISSION BY THE CROSBY GROUP Hook Latch Kit Warnings and Application Instructions • Lo ads may disengage from hook if proper pro cedures are not followed. • A falling load may cause serious injury or death.
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