INFORM A RIGGER — PASS THE WORD PAGE 1 Alloy Steel BK

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INFORM A RIGGER — PASS THE WORDPAGE 1Alloy Steel BK Self-Locking Hook Warnings and Use LimitationsThis document contains warnings and use limitation information applicable to Gunnebo Lifting G80 & G100 Alloy Steel BK self-lockinghooks and is furnished with all Gunnebo Johnson Corporation shipments. Component distributors and lift system manufacturers must passon this information in their Warnings and Use Limitation literature where Gunnebo Lifting BK self-locking hooks are involved.BKBKGOBKGBKBKLBKLKALLOY STEEL SELF-LOCKING HOOKSBKH BKL-SK ! WARNINGDEATH OR INJURYDISENGAGEMENT RESULTS FROMMISUSE, DAMAGE, ANDEXCESSIVE WEAR NEVER use a hook without training. ALWAYS inform yourself Ask your employer for hook safe useinstructions. ALWAYS comply with applicable Federal and local regulations. ALWAYS know hook load. NEVER use a hook without a legible product identifier. NEVER overload a hook. NEVER ride on hook or load. NEVER rig a hook to a load improperly. NEVER use a worn-out or damaged hook. NEVER use a hook in extreme temperatures. NEVER use a hook in acidic conditions. Never use a hook without training . OSHAregulation requires responsible work practice. “Theemployer shall permit only those employeesqualified by training or experience to operateequipment or machinery” – OSHA 1926.20 (a) (4).Employee training should include information givenin OSHA training literature, ASME B30.9 – 2003“Slings” and ASME B30.10 – 2005 “Hooks” safetyLKBKBKTBKBAlways inform yourself .Ask your employer forhook safe use instruction.“The employer shall instruct each employee in therecognition and avoidance of unsafe conditions andthe regulations applicable to his work environmentto control or eliminate any hazards or otherexposure to illness and injury” – OSHA 1926.21 (b)(2).LOAD DISENGAGEMENT CAN CAUSEProtect yourself and othersLBKAlways comply with applicable Federal and localregulations . Federal and local regulations governworksite activity.Understand all governing laws and safety standardsbefore use of BK self-locking hooks. OSHA1910.184 regulates sling safe operating practices,product identification, inspection requirements, anduse limitations. The following safety standardsprovide additional recommendations for selflocking hook use.ASME B30.9-2003 “Slings”,ASME B30.10-2005 “Hooks”,ASME B30.5-2004 “Mobile and LocomotiveCranes”,ASME B30.16-2003 “Overhead Hoists(Underhung)”,ASME B30.21-2005 “Manually Lever OperatedHoists”.“If a particular standard is specifically applicable toa condition, practice, means, method, operation, orprocess, it shall prevail over any different generalstandard.” – OSHA 1910.5 (c) (1).standards and this document.Contact OSHA at (800) 321-6742, www.OSHA.govand ASME at 800-843-2763, www.ASME.org forreference assistance.Copyright Gunnebo Johnson CorporationAll rights reserved.SH-045-02/08P/N 50665 Rev. A

INFORM A RIGGER — PASS THE WORDPAGE 2 Always know hook load . Avoid hook failure.“Fittings shall be: (i) of a minimum breakingstrength equal to that of the sling .” – OSHA1910.184 (i) (3) (i).“It shall be determined that the weight of the load tobe lifted does not exceed the lesser of the loadrating of the hook or the load rating of theequipment of which the hook is a part.” – ASMEB30.10-1.3 (a).Maximum lift system load applied to self-lockinghook must be known for proper self-locking hookselection.TABLE 1BG100 ALLOY STEEL BK SELF-LOCKING HOOKWORKING LOAD LIMITS*BK HOOKWORKING LOAD LIMIT*TRADEIN POUNDSSIZEDESIGN FACTORMM IN4:15:16:19:15/6 7/32 27002160180012007/8 9/32 5700456038002530103/8 8800704058603900131/2 1500012000100006660165/8 2260018080150601004018/20 3/4 35300282402353015680227/8 42700341602846018970*Working Load Limits are valid between temperatures of -40 F and 400 F. Never use a hook without a legible productidentifier . Product Identification is required toinsure proper application.“Hooks, rings . or other attachments shall have arated capacity at least equal to that of the alloy steelchain with which they are used or the sling shallnot be used in excess of the rated capacity of theweakest component .” – OSHA 1910.184 (e) (2)(i).Gunnebo Lifting product identifier is forged intoself-locking hook and is designated as (trade size)(grade); Example: 13-8.Gunnebo Lifting Grade 80 and Grade 100 AlloySteel BK self-locking hook Working Load Limits forselected design factors are listed in pounds and givenin TABLE 1A and TABLE 1B.TABLE 1AG80 ALLOY STEEL BK SELF-LOCKING HOOKWORKING LOAD LIMITS*BK HOOKWORKING LOAD LIMIT*TRADEIN POUNDSSIZEDESIGN FACTORMM IN4:15:16:19:15/6 7/32 2100168014009307/8 9/32 3500280023301560103/8 7100568047303160131/2 12000960080005330165/8 181001448012070804018/20 3/4 28300226401886012570227/8 342002736022800152002614770038160318002120028 1 1/8 55100440803670024480 Never overload a hook . Understand WorkingLoad Limits.“Slings shall not be loaded in excess of their ratedcapacities.” – OSHA 1910.184 (c) (4).Working Load Limit (WLL) is the maximumworking load to be applied to a BK self-lockinghook for the given application. WLL applies to inline loading and does not include torsional, binding,shock or side load effects.“The design factor for alloy steel chain slings shallbe a minimum of 4.” – ASME B30.9 - 1.4.“The design factor for wire rope slings shall be aminimum of 5” – ASME B30.9-2.4.“The design factor for metal mesh slings shall be aminimum of 5.” – ASME B30.9-3.4.“Increased design factors may be required for usewith natural fiber ropes.”“The design factor for synthetic rope slings shall bea minimum of 5.” – ASME B30.9-4.4.The design factor for synthetic webbing slingsshall be a minimum of 5. – ASME B30.9-5.4.The design factor for round slings shall be aminimum of 5. – ASME B30.9-6.4.*Working Load Limits are valid between temperatures of -40 F and 400 F.Copyright Gunnebo Johnson CorporationAll rights reserved.SH-045-02/08P/N 50665 Rev. A

INFORM A RIGGER — PASS THE WORD Never ride on hook or load . Avoid death orinjury.Sling use regulation requires: “All employees shallbe kept clear of loads about to be lifted and ofsuspended loads.” – OSHA 1910.184 (c) (9).General worksite regulations require “No hoisting,lowering, swinging or traveling shall be done whileanyone is on the load or hook.”– OSHA 1910.180 (h) (3) (v).(d) Hooks shall not be used in such a manner as toplace a side load or back load on the hook.(See Figure 2a & 2b)(e) When using a device to close the throatopening of the hook, care shall be taken thatthe load is not carried by the closing device.(See Figure 3a & 3b)(f) Hands, fingers and body shall be kept frombetween hook and load.(i) The use of a hook with a latch does notpreclude the inadvertent detachment of a slacksling or a load from the hook. Visualverification of proper hook engagement isrequired in all cases.(j) Self-locking hooks shall be locked during use.(k) “When a hook is equipped with a latch, thelatch should not be restrained from closingduring use.” – ASME B30.10-1.3.“Operation .” – ASME B30.16-3.1aRIGHT1bRIGHTHOOKConstruction worksite regulation stipulates: “Theuse of a crane or derrick to hoist employees on apersonnel platform is prohibited, except when theerection, use, and dismantling, of conventionalmeans of reaching the worksite, such as a personnelhoist, ladder, stairway, aerial lift, elevating workplatform or scaffold, would be more hazardous or isnot possible because of structural design or worksiteconditions.” – OSHA 1926.550(g) (2).(c) Loads shall be centered in the base (bowl/saddle) of hook to prevent point loading of thehook. (See Figure 1a, 1b & 1c)“Bridles and associated rigging for attaching thepersonnel platform to the hoist line shall be usedonly for the platform and the necessary employees,their tools and the materials necessary to do theirwork and shall not be used for any other purposewhen not hoisting personnel.” – OSHA 1926.550(g) (4) (iv) (E).45 MAX.2a Never rig a hook to a load improperly . Avoiddropped loads and hook damage.45 MAX.3aTIP LOADWRONGRIGHT60 MAX.60 MAX.2bBACK LOADWRONG3bTIP LOADWRONGSIDE LOADWRONGAlloy steel BK self-locking hooks may be used torig personnel platforms when lift system is in fullcompliance with OSHA 1926.550(g) and TABLE 3.1cCENTER LINEStandard Gunnebo Lifting WLL’s are based on a 4design factor. Lift dynamics, duty cycle and liftsystem type may require an increased design factor,hence a reduced WLL. Inattention to required designfactor can result in hook overload. Contact GunneboJohnson Corporation Service Department for assistance at (800) 331-5460.PAGE 3“Safe operating practices .” – OSHA 1910.184 (c)“Operating practices .” – ASME B30.5-3.2.“Operating practices .” – ASME B30.9-1.10, 2.10,3.10, 4.10, 5.10, 6.10.“Operating practices .”“Operation .” – ASME B30.21-1.7; 2.6; 3.6.Copyright Gunnebo Johnson CorporationAll rights reserved.SH-045-02/08P/N 50665 Rev. A

INFORM A RIGGER — PASS THE WORDPAGE 4Self-locking hooks shall not be rigged with morethan two (2) sling legs in the hook saddle and slingleg angles shall not be greater than 45 from hookcenterline. (Figure 1b)Hook shank threads shall end with a thread relief.Hook shank shall not be swaged to wire rope or rod.Hook shank shall not be drilled and internallythreaded.Self-locking hooks shall be rigged with a masterring or shackle when three (3) or more sling legs areused or sling leg angles exceed 45 from hookcenterline. (Figure 1c)Gunnebo Johnson Corporation cannot assumeresponsiblity for:(1) Machining quality,(2) Application,(3) Attachment to power source or load.Synthetic slings may require a working load limit(WLL) reduction when used in self-locking hookeye or saddle. See synthetic sling manufacturers'recommendations.Chain sling WLL when choked with BK selflocking hooks equals 80% of sling identification tagWLL.BKT self-locking hook shank machining limits aredefined and are given in TABLE 2 and these limitsare required for WLL's given in TABLE 1A and1B. Failure to comply can result in stripped threadsand loss of load.EnglishTrade Size(A)(B)(C) Min. ThreadMMINDia.Len.Class 25/67/32.430.5639/16-12 UNC7/89/32.485.6255/8-11 UNC103/8.600.7503/4-10 UNC131/2.8201.001-8 UNC165/81.0481.251-1/4-7 UNCMetricTrade Size(A)(B)(C) Min. ThreadMMINDia.Len.Class .5131/22024M24x3165/82530M30x3.5Copyright Gunnebo Johnson CorporationAll rights reserved. Never use a worn-out or damaged hook."Each day before being used, the sling and allfastenings and attachments shall be inspected fordamage or defects by a competent persondesignated by the employer. Additional inspectionsshall be performed during sling use where serviceconditions warrant. Damaged or defective slingsshall be immediately removed from service." –OSHA 1910.184 (d)."In addition to the inspection required by paragraph(d) of this section, a thorough periodic inspection ofalloy steel chain slings in use shall be made on aregular basis, to be determined on the basis of (A)frequency of sling use; (B) severity of serviceconditions; (C) nature of lifts being made; and (D)experience gained on the service life of slings usedin similar circumstances. Such inspections shall inno event be at intervals greater than once every 12months." – OSHA 1910-184 (e) (3) (i)."The thorough inspection of alloy steel chain slingsshall be performed by a competent persondesignated by the employer, and shall include athorough inspection for wear, defective welds,deformation and increase in length. Where suchdefects or deterioration are present, the sling shallbe immediately removed from service." – OSHA1910.184 (e) (3) (iii)."Worn or damaged alloy steel chain slings orattachments shall not be used until repaired." –OSHA 1910.184 (e) (7) (i).Self-locking hook with wear greater than 10 percentof the original dimension for any cross-section shallbe removed from service.SH-045-02/08P/N 50665 Rev. A

INFORM A RIGGER — PASS THE WORDPAGE 5Inspect self-locking hook and threads with magneticparticle and/or dye penetrant at intervals no greaterthan once annually. Some disassembly may berequired.TABLE 3BSelf-locking hook with corroded threads shall beremoved from service and shall not be returned toservice unless approved by a competent person.Self-locking hook that is broken, cracked, bent,stretched, twisted, or welded on shall be removedfrom service and shall not be repaired.Self-locking hook that is nicked, gouged or lappedshall be removed from service and shall not bereturned to service unless properly repaired.Hook latch shall properly close and lock.Self-locking hook with latch tip opening greaterthan amount given in TABLE 3A and TABLE 3Bshall be removed from service and shall not bereturned to service unless properly repaired.GAP ATrade 25/83/47/8(A) Max. 296.3.25 Never use a hook in extreme temperatures.TABLE 3AAlloy steel self-locking hooks shall not be usedwhile heated above 1000 F or cooled below -40 F.Alloy steel self-locking hooks shall be permanentlyremoved from service if heated above 1000 F.(A) Max. ClearanceTrade 7.7.30Copyright Gunnebo Johnson CorporationAll rights ing Load Limits (WLL) given in TABLE 1Aand 1B are valid between temperature of -40 and400 F.WLL shall be reduced in accordance with TABLE4A & 4B when heated between 400 F and 1000 F.Permanent WLL reduction shall be made inaccordance with TABLE 4A and 4B for selflocking hooks heated over temperatures indicated.Lifting equipment identification tag shall bereplaced and the new tag shall have the reducedWLL.SH-045-02/08P/N 50665 Rev. A

INFORM A RIGGER — PASS THE WORDTABLE 4A GRADE 80PAGE 6TABLE 4B GRADE 100Percentage of TABLE1BPercentage of TABLE1AHook ComponentTemperature-40 F to 400 F 400 F to 500 F 500 F to 600 F 600 F to 700 F 700 F to 800 F 800 F to 900 F 900 F to 1000 F WLLDuringAfterExposure 0%70%Hook ComponentTemperature-40 F to 400 F 400 F to 500 F 500 F to 600 F 600 F to 700 F 700 F to 800 F 800 F to 900 F 900 F to 1000 FWLLDuringAfterExposure 0%Never use a hook in alkaline or acidic conditions.Gunnebo Lifting alloy steel BK self-locking hooksshall not be used in alkaline or acidic conditions.Resulting metal embrittlement and acceleratedcorrosion can cause sudden failure. Hot dippedgalvanizing and electro-zinc plating shall be doneonly by Gunnebo Lifting.Copyright Gunnebo Johnson CorporationAll rights reserved.SH-045-02/08P/N 50665 Rev. A

a minimum of 5.” – ASME B30.9-4.4. The design factor for synthetic webbing slings shall be a minimum of 5. – ASME B30.9-5.4. The design factor for round slings shall be a minimum of 5. – ASME B30.9-6.4. Gunnebo Lifting product identifier is forged into self-locking hook a

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