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MULTI-PART LINE REEVING
For loads above 15,000 pounds (6800 kg) the sheave block must be used. The 4-part-line
sheave block can be used for loads up to 60,000 pounds (27,200 kg). The wedge socket
should be pinned to the wedge socket anchor at the boom tip, as shown in the figure. The
dead end of the rope in the wedge socket should be clamped, as shown in the figure below.
The clamp must not be used on the live part of the rope. This will seriously weaken the
rope. The sheave block should hang straight, and the top of the block should meet the boom
sheave plates squarely when pulled up snug.
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