Scaffolding Hoist - Tractel

4.2 Wire rope rigging instructions(continued)(2) If the wire rope is not equipped with a swaged fittingas shown in Fig. 15, proceed as follows:– Install heavy duty thimble with a minimum of three(3) J-Type (Fist Grip) Clamps (Fig. 16).– Apply first clamp approximately 7" (18 cm) fromthimble. Tighten nuts moderately.– Attach second clamp as close to thimble as possible.Leave nuts loose.– Attach the third clamp half-way between first andsecond clamp, leaving the nuts loose. Take up wirerope slack.– Tighten nuts evenly on all clamps (approx. 30 ft-lbs.torque) as specified by the clamp manufacturer.WARNINGS:a) Retighten after the wire rope isloaded for the first timeb) Inspect fastening periodically.In use, wire ropes will stretch and reduce indiameter.Retighten all “Fist Grip” nuts periodically.(3) Anchor the wire rope end to a rigging device, whichcomplies with all relevant safety requirements.Be sure to use compatible connecting devices, e. g.a 1/2 in. anchor shackle or similar with adequatestrength and safety factor. Secure it.Figure 15Wire Rope Terminationby Swaged FittingHeavy dutythimbleFerrule(Sleeve)Figure 16Wire Rope Terminationby Fist Grip ClampsHeavy duty thimbleFist Grip ClampFigure 17Suspension Distance(4) Insure that the anchor points of the wire rope aredirectly above the position of the hoists (Fig. 17).WARNING:Improper spacing is dangerousand could cause failureof the support system.Same distance XXPlatformSupportsystemHoist(5) Check that wire rope tip is welded round (Fig. 18).IF NOT:a) Prepare ends by brazing or welding – makesure all end wires are captured.b) Grind end to approximately 1/4" diameter.DO NOT grind end flat or to a cone shape.End must be rounded (Fig. 18).c) The last 4 in. (10 cm) of wire rope must bestraight for proper reeving.12Figure 18 Wire Rope Tip4 in. (10 cm) Straightmax.1 1 /2 dia.dia.