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1USER’S GUIDE LIFTING
FOR ADDITIONALSUPPORT
P.O. Box 3128Tulsa Oklahoma 74101Phone: (918) 834-4611
Fax: (918) 832-09401-800-777-1555
Web:www.thecrosbygroup.com
E-Mail:[email protected]
CROSBY® FITTINGSLEBUS® McKISSICK®
WESTERN NATIONAL
ASME VERSION (5/05)
RISK MANAGEMENTDEFINITION
COMPREHENSIVE SET OF ACTIONS THATREDUCES THE RISK OF A PROBLEM, A
FAILURE, AN ACCIDENT
ASME B30.9 REQUIRES THAT SLINGUSERS SHALL BE TRAINED IN THESELECTION, INSPECTION, CAUTIONS TOPERSONNEL, EFFECTS OF ENVIRONMENT,AND RIGGING PRACTICES. SLING IDENTIFICATION IS REQUIRED ON ALLTYPES OF SLINGS
ASME B30.26 REQUIRES THAT RIGGINGHARDWARE USERS SHALL BE TRAINED INTHE SELECTION, INSPECTION, CAUTIONSTO PERSONNEL, EFFECTS OF ENVIRONMENT, AND RIGGING PRACTICES.ALL RIGGING HARDWARE TO BE IDENTIFIED BY MANUFACTURER WITHNAME OR TRADEMARK OFMANUFACTURER.
REFER TO THE CROSBY GROUP CATALOGAND OTHER PRODUCT APPLICATIONINFORMATION.
TERMINOLOGYWORKING LOAD LIMIT (WLL)THE MAXIMUM MASS OR FORCE WHICH THEPRODUCT IS AUTHORIZED TO SUPPORT IN A
PARTICULAR SERVICE.
PROOF TESTA TEST APPLIED TO A PRODUCT SOLELY TO
DETERMINE INJURIOUS MATERIAL OR MANU-FACTURING DEFECTS.
ULTIMATE STRENGTHTHE AVERAGE LOAD OR FORCE AT WHICHTHE PRODUCT FAILS OR NO LONGER SUP-
PORTS THE LOAD.
DESIGN FACTORAN INDUSTRIAL TERM DENOTING A PROD-
UCT’S THEORETICAL RESERVE CAPABILITY;USUALLY COMPUTED BY DIVIDING THE CATA-LOG ULTIMATE LOAD BY THE WORKING LOADLIMIT. GENERALLY EXPRESSED AS A RATIO,
e.g. 5 TO 1.
BLOCKS & FITTINGSFOR WIRE ROPE & CHAIN
2THE BASIC RIGGING PLAN
PLAN EVERY LIFT, INCLUDE THE FOLLOWING QUESTIONSWITH THE QUESTIONS YOUR EXPERIENCE PROVIDES:1. WHO IS RESPONSIBLE (COMPETENT) FOR THE RIGGING? 2. HAS COMMUNICATIONS BEEN ESTABLISHED?3. IS THE RIGGING IN ACCEPTABLE CONDITION?4. IS THE RIGGING APPROPRIATE FOR LIFTING?5. DOES THE RIGGING HAVE PROPER IDENTIFICATION?6. DOES ALL GEAR HAVE KNOWN WORKING LOAD LIMITS?7. WHAT IS THE WEIGHT OF THE LOAD?8. WHERE IS THE LOAD’S CENTER OF GRAVITY?9. WHAT IS THE SLING ANGLE?10. WILL THERE BE ANY SIDE OR ANGULAR LOADING?11. ARE THE SLINGS PADDED AGAINST SHARP CORNERS?12. ARE THE WORKING LOAD LIMITS ADEQUATE?13. IS THE LOAD RIGGED TO THE CENTER OF GRAVITY?14. IS THE HITCH APPROPRIATE FOR THE LOAD?15. IS A TAG LINE REQUIRED TO CONTROL LOAD?16. WILL PERSONNEL BE CLEAR OF SUSPENDED LOADS?17. IS THERE ANY POSSIBILITY OF FOULING?18. WILL THE LOAD LIFT LEVEL AND BE STABLE?19. ANY UNUSUAL ENVIRONMENTAL CONCERNS?20. ANY SPECIAL REQUIREMENTS?
THE RIGGING MUST BE USED WITHIN MANUFACTURER’SRECOMMENDATIONS AND INDUSTRY STANDARDS THATINCLUDE OSHA, ASME, ANSI, API AND OTHERS.
RESPONSIBILITY
USER RESPONSIBILITY1. UTILIZE APPROPRIATE RIGGING GEAR SUITABLE FOR
OVERHEAD LIFTING.2. UTILIZE THE RIGGING GEAR WITHIN INDUSTRY
STANDARDS AND THE MANUFACTURER’S RECOMMENDATIONS.
3. CONDUCT REGULAR INSPECTION AND MAINTENANCEOF THE RIGGING GEAR.
4. PROVIDE EMPLOYEES WITH TRAINING TO MEET OSHAAND ASME (B30.9, B30.26, ETC.) REQUIREMENTS.
MANUFACTURERS RESPONSIBILITY1. PRODUCT AND APPLICATION INFORMATION2. PRODUCT THAT IS CLEARLY IDENTIFIED
NAME OR LOGOLOAD RATING AND SIZETRACEABILITY
3. PRODUCT PERFORMANCEWORKING LOAD LIMITDUCTILITY FATIGUE PROPERTIESIMPACT PROPERTIES
4. PRODUCT TRAININGAND TRAINING RESOURCES
3
ADDITIONAL REJECTION CRITERIA PER ASME B30.10 - HOOKSANY VISIBLY APPARENT BEND OR TWIST FROM THE PLANE OF THE UNBENT HOOKANY DISTORTION CAUSING AN INCREASE IN THROAT OPENING OF 5%, NOT TO EXCEED 1/4”
MISSING OR ILLEGIBLE MANUFACTURER’S NAME OR TRADEMARKAND/OR RATED LOAD IDENTIFICATION (OR SIZE AS REQUIRED)
A 10% OR MORE REDUCTION OF THE ORIGINAL DIMENSION
BENT,TWISTED, DISTORTED, STRETCHED, ELONGATED, CRACKEDOR BROKEN LOAD BEARING COMPONENTS
EXCESSIVE NICKS, GOUGES, PITTING AND CORROSION
INDICATIONS OF HEAT DAMAGE INCLUDING WELD SPATTER ORARC STRIKES, EVIDENCE OF UNAUTHORIZED WELDING
LOOSE OR MISSING NUTS, BOLTS, COTTER PINS, SNAP RINGS, OROTHER FASTENERS AND RETAINING DEVICES
UNAUTHORIZED REPLACEMENT COMPONENTS OR OTHER VISIBLECONDITIONS THAT CAUSE DOUBT AS TO THE CONTINUED USE OFTHE SLING
ADDITIONALLY INSPECT WIRE ROPE CLIPS FOR:1.INSUFFICIENT NUMBER OF CLIPS2.INCORRECT SPACING BETWEEN CLIPS3.IMPROPERLY TIGHTENED CLIPS4.INDICATIONS OF DAMAGED WIRE ROPE OR WIRE ROPE
SLIPPAGE5.IMPROPER ASSEMBLY
ADDITIONALLY, INSPECT WEDGE SOCKETS FOR:1.INDICATIONS OF DAMAGED WIRE ROPE OR WIRE ROPE
SLIPPAGE2.IMPROPER ASSEMBLY
INSPECTION OF RIGGING HARDWAREINSPECTION FREQUENCY PER ASME B30.26
A VISUAL INSPECTION SHALL BE PERFORMED BY THE USER OR DESIGNATED PERSON EACH DAY BEFORE THE RIGGING HARDWARE IS USED.
A PERIODIC INSPECTION SHALL BE PERFORMED BY A DESIGNATED PERSON, AT LEAST ANNUALLY.THE RIGGING HARDWARE SHALL BEEXAMINED AND A DETERMINATION MADE AS TO WHETHER THEY CONSTITUTE A HAZARD.WRITTEN RECORDS ARE NOT REQUIRED.
SEMI-PERMANENT AND INACCESSIBLE LOCATIONS WHERE FREQUENT INSPECTIONS ARE NOT FEASIBLE SHALL HAVE PERIODIC INSPECTIONSPERFORMED.
REJECTION CRITERIA PER ASME B30.26
INSPECTION OF SLINGSINSPECTION FREQUENCY PER ASME B30.9
A VISUAL INSPECTION FOR DAMAGE SHALL BE PERFORMED BY THE USER OR DESIGNATED PERSON EACH DAY OR SHIFT THE SLING IS USED.
A COMPLETE INSPECTION FOR DAMAGE SHALL BE PERFORMED PERIODICALLY BY A DESIGNATED PERSON, AT LEAST ANNUALLY.
WRITTEN RECORDS OF MOST RECENT PERIODIC INSPECTION SHALL BE MAINTAINED.
REJECTION CRITERIA PER ASME B30.9MISSING OR ILLEGIBLE SLING IDENTIFICATION; EVIDENCE OF HEAT DAMAGE; SLINGS THAT ARE KNOTTED; FITTINGS THAT ARE PITTED, CORRODED, CRACKED, BENT,TWISTED, GOUGED, OR BROKEN; OTHER CONDITIONS, INCLUDING VISIBLE DAMAGE,THATCAUSE DOUBT AS TO THE CONTINUED USE OF THE SLING.
4
WIRE ROPE SLINGSEXCESSIVE BROKEN WIRES,FOR STRAND-LAID AND SINGLEPART SLINGS,TEN RANDOMLYDISTRIBUTED BROKEN WIRESIN ONE ROPE LAY OR FIVEBROKEN WIRES IN ONESTRAND IN ONE ROPE LAY
SEVERE LOCALIZED ABRASIONOR SCRAPING, KINKING,CRUSHING, BIRDCAGING
ANY OTHER DAMAGE RESULTING IN DAMAGE TO THEROPE STRUCTURE
SEVERE CORROSION OF THEROPE OR END ATTACHMENTS
CHAIN SLINGSCRACKS OR BREAKS
EXCESSIVE WEAR, NICKS ORGOUGES
STRETCHED CHAIN LINKS ORCOMPONENTS
BENT,TWISTED OR DEFORMEDCHAIN LINKS OR COMPONENTS
EXCESSIVE PITTING OR CORROSION
LACK OF ABILITY OF CHAIN ORCOMPONENTS TO HINGEFREELY
WELD SPLATTER
WEB SLINGSACID OR CAUSTIC BURNS
MELTING OR CHARRING OFANY PART OF THE SLING
HOLES,TEARS, CUTS ORSNAGS
BROKEN OR WORN STITCHINGIN LOAD BEARING SPLICES
EXCESSIVE ABRASIVE WEAR
DISCOLORATION AND BRITTLEOR STIFF AREAS ON ANY PARTOF THE SLING,WHICHMAY MEAN CHEMICAL ORULTRAVIOLET / SUNLIGHT DAMAGE
ROUNDSLINGSACID OR CAUSTIC BURNS
EVIDENCE OF HEAT DAMAGE
HOLES,TEARS, CUTS,ABRASIVE WEAR OR SNAGSTHAT EXPOSE THE COREYARNS
BROKEN OR DAMAGED COREYARNS
WELD SPLATTER THAT EXPOS-ES CORE YARNS
DISCOLORATION AND BRITTLEOR STIFF AREAS ON ANY PARTOF THE SLINGS,WHICH MAYMEAN CHEMICAL OR OTHERDAMAGE
SINGLESINGLE TWO LEG SLING
TWO LEG SLING TWO LEG CHOKER
LEGCHOKER VERTICAL
60 45 60
(VERTICAL)HORIZONTAL HORIZONTAL HORIZONTALSLING ANGLE SLING ANGLE SLING ANGLE
1/4 0.65 0.48 1.3 1.1 0.9 0.83/8 1.4 1.1 2.9 2.5 2.0 1.8
7/16 1.9 1.4 3.9 3.4 2.7 2.51/2 2.5 1.9 5.1 4.4 3.6 3.2
9/16 3.2 2.4 6.4 5.5 4.5 4.15/8 3.9 2.9 7.8 6.8 5.5 5.03/4 5.6 4.1 11.0 9.7 7.9 7.17/8 7.6 5.6 15.0 13.0 11.0 9.71 9.8 7.2 20.0 17.0 14.0 13.0
1-1/8 12.0 9.1 24.0 21.0 17.0 16.01-1/4 15.0 11.0 30.0 26.0 21.0 19.0
5
BASED ON 6 X 19 AND 6 X 37 EIP STEEL, IWRC (FOR FIBER CORE DEDUCT APPROXIMATELY 15%) WITH DESIGN FACTOR OF 5
WIRE ROPE SLING CAPACITIES - TONS (2000 LBS.) - FLEMISH EYE - ASME B30.9
WIREROPESIZE
INCHES
RATED LOAD BASED ON PIN DIAMETER NO LARGER THAN ONE HALF THE NATURUAL EYE LENGTH OR NOT LESS THAN THE NOMINAL SLING DIAMETER BASKET HITCH CAPACITY BASED ON MINIMUM D/d RATIO OF 25/1
FOR CHOKER HITCH, THE ANGLE OF CHOKE SHALL BE 120 DEGREES OR GREATER
FO
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SINGLESINGLE TWO LEG SLING
TWO LEG SLING TWO LEG CHOKER
LEGCHOKER VERTICAL
60 45 60
(VERTICAL)HORIZONTAL HORIZONTAL HORIZONTALSLING ANGLE SLING ANGLE SLING ANGLE
1/4 .71 .52 1.4 1.2 1.0 .903/8 1.6 1.2 3.2 2.7 2.2 2.07/16 2.1 1.6 4.3 3.7 3.0 2.71/2 2.8 2.0 5.5 4.8 3.9 3.59/16 3.5 2.6 7.0 6.1 5.0 4.55/8 4.3 3.2 8.6 7.5 6.1 5.53/4 6.2 4.5 12 11 8.7 7.97/8 8.3 6.1 17 14 12 111 11 8.0 22 19 15 14
5A
BASED ON 6 X 19 AND 6 X 37 EEIP (EXTRA EXTRA IMPROVED PLOW STEEL), IWRC WITH DESIGN FACTOR OF 5
WIRE ROPE SLING CAPACITIES - TONS (2000 LBS.) - FLEMISH EYE - ASME B30.9
WIREROPESIZE
INCHES
FO
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LES
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NOTE: ONLY USE THE CAPACITIES SHOWN IN THIS CHART WHEN SLING IS IDENTIFIED AS EEIP (EXTRA EXTRA IMPROVED PLOW STEEL)RATED LOAD BASED ON PIN DIAMETER NO LARGER THAN ONE HALF THE NATURUAL EYE LENGTH OR NOT LESS THAN THE NOMINAL SLING DIAMETER
BASKET HITCH CAPACITY BASED ON MINIMUM D/d RATIO OF 25/1FOR CHOKER HITCH, THE ANGLE OF CHOKE SHALL BE 120 DEGREES OR GREATER
USE A THIMBLE TOPROTECT SLINGAND INCREASE D/d
NEVER PLACE EYEOVER A FITTINGSMALLER DIAMETER ORWIDTH THAN THEROPE’S DIAMETER.
NEVER PLACE ASLING EYE OVER AFITTING WITH ADIAMETER OR WIDTH GREATERTHAN ONE HALF THE LENGTHOF THE EYE.
A CHOKER HITCH HAS75% OF THE CAPACITYOF A SINGLE LEG SLINGONLY IF THE ANGLE OFCHOKE IS 120 DEGREESOR GREATER. A CHOKEANGLE LESS THAN 120DEGREES CAN RESULTIN A CAPACITY AS LOWAS 40% OF THE SINGLELEG.
TRIPLE LEG SLINGS HAVE 50% MORE CAPACITYTHAN DOUBLE LEG SLINGS (AT SAME SLINGANGLE) ONLY IF THE CENTER OF GRAVITY IS INCENTER OF CONNECTION POINTS AND LEGSARE ADJUSTED PROPERLY (THEY MUST HAVEAN EQUAL SHARE OF THE LOAD).
QUAD (4LEG) SLINGS OFFER IMPROVED STABILITY BUT PROVIDE INCREASED CAPACITYONLY IF ALL LEGS SHARE AN EQUAL SHARE OFTHE LOAD.
A BASKET HITCH HAS TWICETHE CAPACITY OF A SINGLELEG ONLY IF D/d RATIO IS 25/1AND THE LEGS ARE VERTICAL.
6WIRE ROPE SLING CONNECTIONS AND HITCHES
CONNECTION TO FITTINGS CHOKER CAPACITY
MULTIPLE LEG SLINGSBASKET HITCH CAPACITY
CAPACITY % OF ANGLE SINGLE LEG90 200 %60 170 %45 140 %30 100 %
CHAINSIZE(IN.)
CHAIN GR - 8 SINGLE-LEGDESIGN VERTICAL VERTICAL TWO LEG OR 60 DEGREE 45 DEGREE 30 DEGREE
FACTOR 4/1 (SINGLE LEG) CHOKER HITCH BASKET HITCH SLING ANGLE SLING ANGLE SLING ANGLE1/4 - (9/32) 3500 2800 7000 6100 4900 3500
3/8 7100 5700 14200 12300 10000 71001/2 12000 9600 24000 20800 17000 120005/8 18100 14500 36200 31300 25600 181003/4 28300 22600 56600 49000 40000 283007/8 34200 27400 68400 59200 48400 342001 47700 38200 95400 82600 67400 47700
1-1/4 72300 57800 144600 125200 102200 72300
7CHAIN SLING CAPACITIES (LBS.) — ASME B30.9 - DESIGN FACTOR OF 4
30°45°60°
90°
GRADE 8 (80)
CHAIN GR - 10 SINGLE-LEGDESIGN VERTICAL VERTICAL TWO LEG OR 60 DEGREE 45 DEGREE 30 DEGREE
FACTOR 4/1 (SINGLE LEG) CHOKER HITCH BASKET HITCH SLING ANGLE SLING ANGLE SLING ANGLE1/4 - (9/32) 4300 3500 8600 7400 6100 4300
5/16 5700 4500 11400 9900 8100 57003/8 8800 7100 17600 15200 12400 88001/2 15000 12000 30000 26000 21200 150005/8 22600 18100 45200 39100 32000 22600
GRADE 10 (100)
RATED LOADS BASED ON COMPONENTS OF PROPER SHAPE AND SIZE THAT IT SEATS PROPERLY IN THE LOAD HOOK.FOR CHOKER HITCH, THE ANGLE OF CHOKE SHALL BE 120 DEGREES OR GREATER.
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7ACHAIN SLING CONNECTIONS AND HITCHES
HORIZONTAL CAPACITY % OF ANGLE SINGLE LEG
90 200 %60 170 %45 140 %30 100 %
CONNECTION TO FITTINGS
USE MASTER LINKS TO COLLECT SLINGS AND TO CONNECT TO HOOK.
USE GRADE 8 (80) OR GRADE 10 (100) FITTINGS THAT MATCH THE W.L.L. OF CHAINAND OFFER PROPER SECUREMENT.
CHOKER CAPACITY
A CHOKER HITCH HAS 80% OF THE CAPACITY OF A SIN-GLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120DEGREES OR GREATER. CHOKE ANGLES LESS THAN 120DEGREES WILL RESULT IN A SIGNIFICANTLY REDUCEDCAPACITY.
NO LOSS IN CAPACITYRESULTS IF A CRADLEGRAB HOOK IS USED.
BASKET HITCH CAPACITYA TRUE BASKET HITCH HAS TWICE THE CAPACITY OF A SINGLE LEG ONLY IF THE LEGS ARE VERTICAL. NOTE THATTHE BASKET IS FORMED BY USING A CHAIN SLING WITH TWOMASTERLINKS AT EACH END CONNECTED TO THE HOOK.
MULTIPLE LEG SLINGSTRIPLE LEG CHAIN SLINGS HAVE 50% MORECAPACITY THAN DOUBLE LEG CHAIN SLINGS (ATSAME SLING ANGLE) ONLY IF THE CENTER OFGRAVITY IS IN CENTER OF CONNECTION POINTSAND LEGS ARE ADJUSTED PROPERLY (THEYMUST HAVE AN EQUAL SHARE OF THE LOAD).QUAD (4LEG) CHAIN SLINGS OFFER IMPROVEDSTABILITY, BUT DO NOT PROVIDE INCREASEDCAPACITY. THE CAPACITY OF A FOUR LEG CHAINSLING IS CONSIDERED THE SAME AS THREE LEGCHAIN SLING.
8
1 2 3 4
CROSBY PRODUCTS DISTRIBUTED BY:
#9999875 Copyright© 2006 The Crosby Group, Inc.03/07 All Rights Reserved
PRICE $5.00
9WEB SLING AND ROUNDSLING CAPACITIES
WEB SLING IDENTIFICATION INCLUDES:
SLING TYPE:TC - TRIANGLE CHOKER,TT - TRIANGLE TRIANGLE,EE - EYE AND EYE,EN - ENDLESS
NUMBER OF PLIES: 1 OR 2WEBBING GRADE: 9 OR 6
SLING WIDTH (INCH)
SLING LENGTH (INCH)
ROUNDSLING IDENTIFICATION INCLUDES:
SLING NUMBER: 1-13SLING NUMBERS ARE FOR REFERENCEONLY, SOME ROUNDSLINGS HAVE DIFFERENT RATINGS.
SLING COLOR: PURPLE, GREEN, YELLOW,TAN, RED, WHITE, BLUE, ORANGESLING COLOR IS NOT FOLLOWED BY ALLMANUFACTURERS AND SOME COLORS HAVEMORE THAN ONE RATED LOAD.
FOLDING, BUNCHING OR PINCHINGOF SYNTHETIC SLINGS, WHICHOCCURS WHEN USED WITH SHACKLES, HOOKS OR OTHERAPPLICATION WILL REDUCE THERATED LOAD.
CHOKER CAPACITY
A CHOKER HITCH HAS80% OF THE CAPACITYOF A SINGLE LEG SLINGONLY IF THE ANGLE OFCHOKE IS 120 DEGREESOR GREATER. A CHOKEANGLE LESS THAN 120DEGREES WILLRESULT IN A CAPACITY AS LOW AS 40% OF THE SINGLE LEG.
HORIZONTAL CAPACITY % OFANGLE SINGLE LEG90 200 %60 170 %45 140 %30 100 %
BASKET HITCH CAPACITY
A TRUE BASKET HITCHHAS TWICE THE CAPACITY OF A SINGLELEG ONLY IF THE LEGSARE VERTICAL.
MULTIPLE LEG SLINGSTRIPLE LEG SLINGS HAVE 50% MORECAPACITY THAN DOUBLE LEGSLINGS (AT SAME SLING ANGLE)ONLY IF THE CENTER OF GRAVITY ISIN CENTER OF CONNECTION POINTSAND LEGS ADJUSTED PROPERLY(THEY MUST HAVE AN EQUAL SHAREOF THE LOAD).
QUAD (4LEG) SLINGS OFFERIMPROVED STABILITY BUT PROVIDEINCREASED CAPACITY ONLY IF ALLLEGS SHARE AN EQUAL SHARE OFTHE LOAD.
ALWAYS SELECT AND USE WEB SLINGS AND ROUND SLINGS BY THE RATED LOAD SHOWN ON THE SLING IDENTIFICATION,NEVER BY WIDTH, COLOR OR SLING NUMBER
EE 2-9 04 X 12
WHEN LIFTING VERTICALLY,THE LOAD WILL BE SHARED EQUALLY IF THE CENTER OF GRAVITY IS PLACED EQUALLY BETWEEN THE PICK POINTS.
IF THE WEIGHT OF THE LOAD IS 10,000 LBS., THEN EACH SLING WILL HAVE A LOAD OF 5,000 LBS. AND EACH SHACKLE AND EYEBOLT WILL ALSO HAVE A LOAD OF 5,000 LBS.
CENTER OF GRAVITY AND SLING LOADINGWHEN THE CENTER OF GRAVITY IS NOT EQUALLY SPACED BETWEEN THE PICK POINTS, THE SLING AND FITTINGS WILL NOT CARRY AN EQUAL SHARE OF THE LOAD. THE SLING CONNECTED TO THE PICK POINT CLOSEST TO THE CENTER OF GRAVITY WILL CARRY THE GREATEST SHARE OF THE LOAD.
SLING 2 IS CLOSEST TO COG. IT WILL HAVE THE GREATEST SHAREOF THE LOAD.
SLING 2 = 10,000 X 8 / (8+2) = 8,000 LBS.SLING 1 = 10,000 X 2 / (8+2) = 2,000 LBS.
10CENTER OF GRAVITY AND SLING LOADING WEIGHTS AND MEASURES
UNIT WEIGHT STEEL = 490 LBS/FT3
UNIT WEIGHT ALUMINUM = 165 LBS/FT3
UNIT WEIGHT CONCRETE = 150 LBS/FT3
UNIT WEIGHT WOOD = 50 LBS/FT3
UNIT WEIGHT WATER = 62 LBS/FT3
UNIT WEIGHT SAND AND GRAVEL = 120 LBS/FT3
UNIT WEIGHT COPPER = 560 LBS/FT3
UNIT WEIGHT OIL = 58 LBS/FT3
1 CUBIC FT. = 7.5 GALS 1/2 INCH = 12.7 mm1 METRIC TON = 1.1 US TONS 1 INCH = 25.4 mm1 KILOGRAM = 2.2 LBS
VOLUME OF SPHERE =3.14 x (DIAM. x DIAM. x DIAM.) / 6
VOLUME OF CYLINDER =3.14 x (DIAM. x DIAM. x LENGTH) / 4
VOLUME OF CUBE =HEIGHT x WIDTH x LENGTH
HEIGHTWIDTH
DIAMETER
11SLING ANGLES
TWO LEGGED SLING - WIRE ROPE, CHAIN, SYNTHETICS
HORIZONTAL SLING LOAD ANGLE ANGLE (A) DEGREE FACTOR = L/H
90 1.000
60 1.155
50 1.305
45 1.414
30 2.000LOAD ON EACH LEG OF SLING =VERTICAL SHARE OF LOAD X LOAD ANGLE FACTOR
HORIZONTAL SLINGANGLES OF LESS THAN
30 DEGREES ARE NOT
RECOMMENDED REFER TO ANSI B30.9
FOR FULL INFORMATION
LOAD ON SLING CALCULATEDTENSION 1 = LOAD X D2 X S1/(H(D1+D2))TENSION 2 = LOAD X D1 X S2/(H(D1+D2))
LOAD ON SLING CALCULATEDTENSION 1 = LOAD X D2 X S1/(H(D1+D2))TENSION 2 = LOAD X D1 X S2/(H(D1+D2))
VERTICAL SHARE OFLOAD ON SLINGS AREEQUAL IF CENTER OFGRAVITY IN MIDDLE
OF PICK POINTS
HORIZONTALSLINGANGLE
H
L
CARBON ALLOY CARBON ALLOYNOMINAL MAXIMUM MAXIMUM MAXIMUM MAXIMUM THROATSIZE (IN) WORKING WORKING INSIDE WIDTH DIAMETER OF WORKING WORKING OPENING DEFORMATION
DIAMETER LOAD LOAD AT PIN PIN LOAD LOAD WITH INDICATOROF BOW TONS TONS (INCHES) (INCHES) TONS CODE TONS CODE LATCH A - A
3/16 1/3 .38 .25 3/4 DC 1 DA .88 1.501/4 1/2 .47 .31 1 FC 1-1/2 FA .97 2.005/16 3/4 .53 .38 1-1/2 GC 2 GA 1.00 2.003/8 1 2 .66 .44 2 HC 3 HA 1.12 2.00
7/16 1-1/2 2.6 .75 .50 3 IC *4-1/2 /5 IA 1.06 2.501/2 2 3.3 .81 .63 5 JC 7 JA 1.50 3.005/8 3-1/4 5 1.06 .75 7-1/2 KC 11 KA 1.75 4.003/4 4-3/4 7 1.25 .88 10 LC 15 LA 1.91 4.007/8 6-1/2 9.5 1.44 1.00 15 NC 22 NA 2.75 5.001 8-1/2 12.5 1.69 1.13 20 OC 30 OA 3.25 6.50
1-1/8 9-1/2 15 1.81 1.25 25 PC 37 PA 3.00 7.001-1/4 12 18 2.03 1.38 30 SC 45 SA 3.38 8.001-3/8 13 - 1/2 21 2.25 1.50 40 TC 60 TA 4.12 10.001-1/2 17 30 2.38 1.63 * 320 EYE HOOK IS NOW RATED AT 5 TONS
CROSBY SHACKLES
USE SCREW PIN SHACKLESWHEN PICKING ANDPLACING,TIGHTENPIN BEFOREEACH LIFT
USE BOLTSHACKLES INPERMANENT ORLONG TERMINSTALLATIONS
CROSBY SHACKLES AND HOIST HOOKS ARE RATED IN METRIC TONS
CROSBY HOIST HOOKS 12
120° MAXIMUMINCLUDED ANGLE.
SHACKLE PIN MUST BEPLACED IN HOOK WHENUSED AS A COLLECTOR.
USE ONLY SCREW PINOR BOLT TYPE
SHACKLES
VISUAL VERIFICATION OFPROPER HOOK ENGAGEMENTIS REQUIRED IN ALL CASES
MAKE SURE SLINGSARE IN BASE OF THE HOOK AND THAT THE
LATCH IS NOT FOULED 90° MAXIMUM INCLUDEDANGLE
WHEN SLINGS PLACEDINTO HOOK, THE MINIMUM
HORIZONTAL SLINGANGLE IS 45°
DO NOTTIP LOAD,SIDE LOADORBACK LOADHOIST HOOKS
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13CROSBY LINKS AND RINGS CROSBY TURNBUCKLESWORKING LOAD LIMITS IN LBS. ARE FOR USE WITH WIRE ROPE AND
SYNTHETIC SLINGS AT A DESIGN FACTOR OF 5.
SIZE OFLINK ININCHES G-341 A-341 A-342
CARBON ALLOY ALLOY WORKING LOAD LIMIT WORKING LOAD LIMIT1/2 2900 7000 7000 JAW AND EYE HOOK END FITTING5/8 4200 9000 9000 SIZE 5/1 DESIGN FACTOR 5/1 DESIGN FACTOR3/4 6000 12300 12300 1/4 500 4007/8 8300 15000 15000 5/16 800 7001 10800 24360 24360 3/8 1200 1000
1-1/8 N/A 30600 N/A 1/2 2200 15001-1/4 16750 36000 36000 5/8 3500 22501-3/8 20500 43000 N/A 3/4 5200 30001-1/2 N/A 54300 54300 7/8 7200 40001-5/8 N/A 62600 N/A 1 10000 50001-3/4 N/A 84900 84900 1-1/4 15200 6500
2 N/A 102600 102600 1-1/2 21400 7500
CROSBY HEAT TREATED TURNBUCKLES ARE SUITABLEFOR CRITICAL APPLICATIONS. WORKING LOAD LIMITS ARE
IN LBS.
USE JAW OR EYE END TURNBUCKLES FOR OVERHEADLIFTING. HOOK STYLE TURNBUCKLES ARE FOR GUYING
OR “PLUMBING UPî
120° MAXIMUMINCLUDED
ANGLE FORPEAR SHAPE
LINKSAND
MASTER LINKS
THE USE OF ACOLLECTOR RING
INSURES THATTHE SLINGS WILLBE IN THE BASEOF THE HOOK
LOAD APPLIED SHOULD BE IN LINE AND IN TENSION,TURNBUCKLES SHOULD NOT BE SIDE LOADED
TURNBUCKLES MUST BE SECURED TO PREVENT UNSCREWINGDURING THE LIFT OR FOR LONG-TERM INSTALLATIONS SHOULDBE ADJUSTED WITH A PROPERLY SIZED WRENCH, USED ON THE
WRENCH FLATS OF THE TURNBUCKLE BODY.
WORKING WORKING WORKING LOADWORKING LOAD LIMIT LOAD LIMIT LIMIT/ANGLE LESS THREAD
SHANK LOAD LIMIT 60 DEGREES 45 DEGREES THAN SHANK SIZE WORKING LOAD LIMITDIAMETER IN-LINE PULL SLING ANGLE SLING ANGLE 45 DEGREES U.N.C. AT ALL ANGLES TORQUE
(IN.) (LBS.) (LBS.) (LBS.) (LBS.) (IN.) (LBS.) (FT - LBS)
1/4 650 420 195 160 5/16 800 75/16 1200 780 360 300 3/8 1000 123/8 1550 1000 465 380 1/2 2500 281/2 2600 1690 780 650 5/8 4000 605/8 5200 3380 1560 1300 3/4 7000 1003/4 7200 4680 2160 1800 7/8 8000 1607/8 10600 6890 3180 2650 1 10000 2301 13300 8645 3990 3325 1-1/4 15000 470
1-1/4 21000 13600 6300 5250 1-1/2 24000 8001-1/2 24000 15600 7200 6000 2 30000 1100
SHOULDER EYE BOLTS SWIVEL HOIST RINGS
14CROSBY SHOULDERED G-277 AND S-279 EYE BOLTS
CROSBY EYE BOLTS AND HOIST RINGS
• NEVER EXCEED WORKING LOAD LIMITS.• NEVER USE REGULAR NUT EYE BOLTS FOR ANGULAR LIFTS.• ALWAYS USE SHOULDER NUT EYE BOLTS FOR ANGULAR LIFTS.• FOR ANGULAR LIFTS, ADJUST WORKING LOAD AS SHOWN ABOVE.• ALWAYS TIGHTEN NUTS SECURELY AGAINST THE LOAD.• ALWAYS APPLY LOAD TO EYE BOLT IN THE PLANE OF THE EYE.
• WHEN USING LIFTING SLINGS OF TWO OR MORE LEGSMAKE SURE THE FORCES IN THE LEG ARE CALCULATED.SELECT THE PROPER SIZE SWIVEL HOIST RING TO ALLOWFOR LOAD IN SLING LEG.
• ALWAYS INSURE HOIST RING IS FREE TO ALIGN ITSELF WITH SLING.
• ALWAYS INSUREHOIST RING ISPROPERLY TORQUEDTO REQUIRED VALUE.
CROSBY HR-125 HOIST RINGS
15OPERATING PRACTICES - ANSI B30.9 LOAD CONTROL
POSITIVE LOADCONTROL
REEVING THROUGH CONNECTIONS TO LOADINCREASES LOAD ON CONNECTION FITTINGS BY AS
MUCH AS TWICE.DO NOT REEVE!
WHENEVER ANY SLING IS USED, THE FOLLOWING PRACTICES SHALL BEOBSERVED.
1. SLINGS THAT ARE DAMAGED OR DEFECTIVE SHALL NOT BE USED.2. SLINGS SHALL NOT BE SHORTENED WITH KNOTS OR BOLTS OR
OTHER MAKESHIFT DEVICES.3. SLING LEGS SHALL NOT BE KINKED.4. SLINGS SHALL NOT BE LOADED IN EXCESS OF THEIR RATED
CAPACITIES.5. SLINGS USED IN A BASKET HITCH SHALL HAVE THE LOADS
BALANCED TO PREVENT SLIPPAGE.6. SLINGS SHALL BE SECURELY ATTACHED TO THEIR LOAD.7. SLINGS SHALL BE PADDED OR PROTECTED FROM THE SHARP EDGES
OF THEIR LOADS.8. SUSPENDED LOADS SHALL BE KEPT CLEAR OF ALL OBSTRUCTION.9. ALL EMPLOYEES SHALL BE KEPT CLEAR OF LOADS ABOUT TO BE
LIFTED AND OF SUSPENDED LOADS.10. HANDS OR FINGERS SHALL NOT BE PLACED BETWEEN THE SLING
AND ITS LOAD WHILE THE SLING IS BEING TIGHTENED AROUND THELOAD.
11. SHOCK LOADING IS PROHIBITED!12. A SLING SHALL NOT BE PULLED FROM UNDER A LOAD WHEN THE
LOAD IS RESTING ON THE SLING.
INSPECTION: EACH DAY BEFORE BEING USED, THE SLING AND ALL FASTENINGS AND ATTACHMENTS SHALL BE INSPECTED FOR DAMAGE ORDEFECTS BY A COMPETENT PERSON DESIGNATED BY THE EMPLOYER.ADDITIONAL INSPECTIONS SHALL BE PERFORMED DURING SLING USEWHERE SERVICE CONDITIONS WARRANT. DAMAGED OR DEFECTIVESLINGS SHALL BE IMMEDIATELY REMOVED FROM SERVICE.
2
NUMBER OF TURNBACK TORQUE NUMBER OF TURNBACK TORQUESIZE (IN.) CLIPS LENGTH (IN.) FT-LBS. SIZE (IN.) CLIPS LENGTH (IN.) FT-LBS.
1/8 2 3-1/4 4.5 3/16 2 4 303/16 2 3-3/4 7.5 1/4 2 4 301/4 2 4-3/4 15 5/16 2 5 305/16 2 5-1/4 30 3/8 2 5-1/4 453/8 2 6-1/2 45 7/16 2 6-1/2 657/16 2 7 65 1/2 3 11 651/2 3 11-1/2 65 9/16 3 12-3/4 1309/16 3 12 95 5/8 3 13-1/2 1305/8 3 12 95 3/4 3 16 2253/4 4 18 130 1 5 37 2251 5 26 225
SOME STANDARDS MAY REQUIRE A MINIMUM OF 3 WIRE ROPE CLIPS. THE NUMBER OF CLIPS SHOWN IS BASED UPON USINGRRL OR RLL WIRE ROPE, 6 X 19 OR 6 X 37 CLASS, FC OR IWRC; IPS OR XIP, XXIP, ALSO APPLIES TO ROTATION - RESISTANT RRLWIRE ROPE, 8 X 19 CLASS, IPS, XIP, XXIP, SIZES 1-1/2 INCH AND SMALLER; AND TO ROTATION-RESISTANT RRL WIRE ROPE, 19 X 7CLASS, IPS, XIP, XXIP SIZES 1-3/4 INCH AND SMALLER. IF A PULLEY (SHEAVE) IS USED FOR TURNING BACK THE WIRE ROPE, ADDONE ADDITIONAL CLIP. CLIPS ARE 80% EFFICIENT UNDER 1” AND 90% 1” AND ABOVE.
WIRE ROPECLIPS
G-450U-Bolt Clip
G-429Fist GripClip
31
NEVER SADDLE A DEADHORSE.
NEVER USE MALLEABLECLIPS FOR ANYCRITICAL APPLICATION.
FOR ELEVATOR, PERSONNEL HOIST, ANDSCAFFOLD APPLICATIONS, ANSI A17.1AND A10.4. DO NOT RECOMMEND U-BOLTCLIPS. CROSBY RECOMMENDS FIST GRIPCLIPS FOR TIE OFF LINES FOR FALLPROTECTION.
16
APPLY FIRST CLIP ONE BASEWIDTH FROM DEAD END
APPLY SECOND CLIP AS NEAR THIMBLEAS POSSIBLE
APPLY ALL ADDITIONAL CLIPSEVENLY BETWEEN THE FIRST TWO
TURNBACK