Elephant YII-25 YA-50 Operator's manual

InstructionManualandSafetyInstructions
forOwners(Operators)
●ThankyouverymuchforyourpurchaseofElephantproducts.
●Before using Elephant lever hoists, please read this instruction manual carefully to
ensurethatyoufullyunderstandtheproductanditsproperuse.
●Please store this instruction manual securely as it is required for maintenance,
inspection,disassemblyandassemblyoftheproduct.
(Automaticfreechainingtype)
Ratedload:250kgto0.5t
(551to1,102lbs)
ModelNo.:
SerialNumber:
Dateofinitialuse:
※Theaboveinformationneedstobefilledinbythepurchaser.
Chainleverhoist
ElephantlevermodelYⅡ
-
25YA
-
50
Owners(operators)arerequiredtocompletelyunderstandthe
installation, operation, maintenance and inspection of the
equipment described within this instruction manual prior to
use.Failuretounderstandorcomplywiththecontentsofthis
Manual may result in property damage, serious injury or
death.
WARNING
ELEPHANTCHAINBLOCKCO.,LTD.

Index
1.SafetyInformationandWarnings
1.1Terminology
1.2RestrictionsontheuseofthisEquipmentareasfollows:
1.3WarningTags,Labels
2.Regardingthepersonneloperatingandusingleverhoists
2.1NamesofParts
2.2UnpackingtheProduct
2.3SpecificationsTable
2.3.1YⅡ-25･YA-50Dimensions
2.3.2YⅡ-25･YA-50HookDimensions
3.Pre-OperationalProcedures
3.1Chain
3.2LeverHoistInstallation
3.3Pre-OperationalInspectionandTestRun
4.PrecautionsforUse
4.1GeneralHandling
4.2PrecautionsbeforeOperation
5.LeverHoistOperation
5.1Aboutfreechainingoperation
5.2Howtoadjustthelengthoftheloadchain
5.3Lifting/LoweringOperation
6.Inspectionofleverhoists
6.1Definition
6.2General
6.3InspectionCategory
6.4Pre-useinspections
6.5Normalinspection
6.6RoutineInspection
6.7LoadChainInspection
6.8OperationalTests
6.9LoadTests
6.10Inspection,TestingMethodsandReferenceValues
Inspectionrecords
BreakdownSchematics
Warranty
2
2
3
4
5
5
5
5
6
7
7
7
8
8
9
9
10
14
14
14
15
18
18
18
18
19
19
19
20
20
20
21
30
32
34
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−2−
DANGER
WARNING
Danger indicates an imminently hazardous situation which, if
notavoided,mayresultinfatalitiesorseriousinjuries.
Warning indicates a potentially hazardous situation which, if
notavoided,mayresultinfatalitiesorseriousinjuries.
CAUTION Caution indicates a potentially hazardous situation which, if
notavoided,mayresultinminorormoderateinjuries.
NOTICE Notices cover implementation procedures which do not
requirecautionagainstpersonalinjury.
1.1Terminology
ThisInstructionManualcontainssafetyinformationnecessaryforownersresponsibleforthe
installation,operation,maintenanceandinspectionofthisProduct,andforoperatorsactually
engaged in the operation of the Product. In order to fully comprehend the structure and
operation of this Product, please make sure that you understand the contents of this
InstructionManual.
ThesafetyinformationprovidedwithinthisInstructionManualincludescircumstancespossibly
leading to hazardous situations. The four termsDanger, Warning, Caution, and Notice are
usedtoclearlyindicatetheseriousnessofhazardousconditions.
1.SafetyInformationandWarnings
●Never perform any operation that could result in a [DANGER] condition as
describedintheInstructionManual.
DANGER
●Failure to comprehend and comply with the restrictions described within this
InstructionManualmayresultinfatalities,severeinjuries,orpropertydamage.
●OwnersandoperatorsofthisEquipmentareprohibitedfromusingtheEquipment
foranypurposeotherthanthatforwhichitwasoriginallyintended,ormakeany
modificationsthatmayimpairthesafetyofthisEquipment.
●This Equipment must not be used in a corrosive atmosphere such as acidic,
alkaline,steam,hightemperature,toxicgas,saltwater,etc.
●ThisEquipmentmustnotbeusedinaconditionwhereitisrepeatedlysubjectedto
dynamic loads due to connecting it to other powered cranes or such load
applicationdevices.
●This Equipment shall not be used for transporting, supporting, lifting, or lowering
people,orfortransporting,supporting,lifting,orloweringloadsabovepeople.This
Equipmentisnotintendedfortransportingpeopleinanyway.
WARNING

−3−
1.2RestrictionsontheuseofthisEquipmentareasfollows:
⑴This Equipment is to be used to pull or lift loads in horizontal or diagonal directions, or to
tightenloads.
⑵DonotusethisEquipmenttotransporthumans.
⑶DonotincorporatetheProductaspartoffacilityequipmentormachinery.
⑷TheEquipmentistobeusedwithinatemperaturerangeof−40°Cto+60°C(withhumidityof
100%RHorless).
⑸Never use this Equipment in locations constantly subjected to wind, rain, or waves, or in
locations susceptible to salt damage, acid, alkali, etc., as this may cause damage to the
Equipmentandloadchains.
●Owners and operators of this Equipment are responsible for ensuring that all
personnel engaged in the installation, operation, inspection, test, and servicing of
thisEquipmentsufficientlycomprehendthecontentsofthisManual,theapplicable
portionsofANSI/ASMEB30.21LeverHoistsstandards,andOSHAregulations.
●Owners and operators are responsible for the installation, operation, inspection,
testing, and maintenance of this Equipment in accordance with the provisions of
the ANSI/ASME B 30.21Lever Hoists standards and applicable OSHA
regulations.
●Owners and operators should contact the dealer of this Equipment if any item in
thisManual is unclear, or in case anyadditional information is necessary. Do not
install, operate, inspect, test, or maintain this Equipment unless all uncertain
articlesareclarifiedaccordingly.
●DesignateaperiodicinspectionscheduleforthisEquipmentinaccordancewiththe
requirements of ANSI/ASME B30.21Lever Hoists, maintaining records of the
inspectionsconducted.
NOTICE
●Owners and operators of this Equipment are required to record the model, serial
number,andinitialdateofuseonthefrontcoverofthisManualpriortousingthe
Equipment.
●This Manual is intended to provide safety information on installation, operation,
maintenance,andinspectionoftheEquipmentundernormaloperatingconditions.
●Ifthis Equipment is used in combination withother equipment, the supplier of the
equipment combination concerned is responsible for ensuring compliance with
applicableindustrialstandards,federal,state,andlocallawsandregulations.
●Repair and maintenance of this Equipment shall be conducted only with parts
certifiedbyELEPHANTCHAINBLOCKCO.,LTD.
CAUTION

−4−
1.3WarningTags,Labels
ThewarningtagindicatedinFigure1belowisattachedtothisEquipmentuponshipmentfrom
thefactory.OwnersandoperatorsofthisEquipmentarerequiredtocomprehendandcomply
withallarticlesprovidedonwarningtagsandlabels.
Iftagsarenotattachedon the no-loadsideoftheloadchainoftheEquipment,procuretags
fromyourdealer andattachthem accordingly.Readand followallwarnings attachedtothis
Equipment.(Tagisnotshownactualsize.)
Figure1
ADVERTENCIA
⑴
⑵
⑶
⑷
⑸
⑹
⑺
⑻
⑼
⑽
⑾
⑿
⒀
⒁
⒂
⒃
⒄
Lea detenidamente este Manual de instrucciones
y asegúrese de que entiende su contenido.
No accione los mandos del equipo si no es con la
mano (no utilice ninguna herramienta u objeto).
No cuelgue nunca objetos por encima de la
carga nominal.
Para manejar el equipo, no introduzca nunca
tubos, etc., ni pise el equipo con los pies.
Cuando cuelgue objetos en el gancho,
asegúrese de hacerlo en la posición correcta en
el centro del gancho. No utilice el equipo si no
puede colgarse la carga en la posición correcta.
No retire las etiquetas de precaución ni las
placas de identificación de la unidad, ni utilice
la unidad si las etiquetas de precaución o las
placas de identificación son ilegibles.
No utilice nunca cadenas de carga que estén
torcidas, enredadas, agrietadas, que tengan un
engranaje anormal o que se hayan alargado o
desgastado más allá de los límites
especificados.
No utilice este equipo si está dañado o emite
ruidos anormales.
No utilice este equipo como una herramienta de
lanzamiento.
No aplique cargas laterales en la parte del
cuello del gancho.
No utilice este equipo para sostener, levantar ni
transportar personas.
No suspenda nunca una carga con la punta del gancho.
No utilice nunca el equipo si hay deformaciones
o daños en los ganchos superior o inferior.
No utilice nunca el equipo si el cierre del
gancho está suelto o dañado.
No modifique este equipo de ningún modo.
No levamte cargas sobre personas.
No opere el polipasto cuando no pueda formar
una línea recta de gancho a gancho en la
dirección de la carga.
● Indica situaciones peligrosas que, si no se evitan,
pueden provocar muertes, lesiones graves o
daños materiales.
●Para evitar situaciones peligrosas, tome las
siguientes medidas :
ELEPHANT CHAIN BLOCK CO., LTD.
WARNING
● Indicates hazardous situations that, if not avoided, may
result in fatalities, serious injuries, or property damage.
●To avoid hazardous situations, perform the
following actions:
⑴
⑵
⑶
⑷
⑸
⑹
⑺
⑻
⑼
⑽
⑾
⑿
⒀
⒁
⒂
⒃
⒄
Read this Instruction Manual thoroughly and
understand its contents.
Do not operate the Equipment controls except
by hand (do not use any tools or objects).
Never hang objects exceeding the rated load.
Never operate the Equipment by means of
pipes, etc. inserted into the Equipment or by
stepping on the Equipment with your feet.
When hanging objects on the hook, be sure to
hang in the correct position at the center of the
hook. Do not use the Equipment if the load
cannot be hung in the correct position.
Do not remove caution labels or nameplates
from the unit or use the unit with caution labels
or nameplates that are illegible.
Never use load chains that are twisted, tangled,
cracked, that have abnormal meshing, or that are
elongated or worn beyond the specified limits.
Do not use this Equipment if it is damaged or
emits abnormal noises.
Do not use this Equipment as a slinging tool.
Do not apply lateral-wise loads to the neck
portion of the hook.
Do not use this Equipment to support, lift, or
transport people.
Never suspend a load with the tip of the hook.
Never use Equipment with deformation or
damage on either the top or bottom hooks.
Never use Equipment with the latch for the
hook detached or damaged.
Do not modify this Equipment in any way.
Do not lift loads over people.
Do not operate the hoist when it is restricted
from forming a straight line from hook to hook in
the direction of loading.
ELEPHANT CHAIN BLOCK CO., LTD.

−5−
2. Regardingthepersonneloperatingandusingleverhoists
⑴Checkthattheboxlabelingandproductmatchesyourorder.
⑵Pleaseconfirmthecontentsofthecontainer.
⑶Makesuretheproducthasnotbeendamagedduringtransportation.
⑷Checkthatnoaccessoriesaremissingordisengaged.
⑸Checktheintegrityandconditionofscrews,fittings,etc.forall
components.
2.2UnpackingtheProduct
2.1NamesofParts
2.3SpecificationsTable
Table1Specifications
Minimumheadroomandlift
Model Ratedload Lift
ＹⅡ−25
ＹA−50
250kg
551lbs
0.5t
1,102lbs
5ft
5ft
Loadchain Minimum
headroom
Diameter Numberof
chainfalls
Handforce Self-weight
4.3mm
0.16in
4.3mm
0.16in
1
1
235mm
9.25in
240mm
9.44in
2.2kg
4.85lbs
3.0kg
6.61lbs
294N
30kgf
363N
37kgf
Minimum
headroom Lift
Tophook Tophook
Latch Latch
Selectlever
Latch
Latch
Selectlever
Chainonloadside Chainonloadside
Chainstopbolt
Chainstopbolt
Bottomhook Bottomhook
Chainonnoloadside Chainonnoloadside
Chainstopper
Chainstopper
Figure2

−6−
2.3.1YⅡ-25・YA-50Dimensions
Model Ratedload a
YⅡ−25
YA−50
250kg
551lbs
0.5t
1,102lbs
21mm
0.82in
44mm
1.73in
b
70mm
2.75in
69mm
2.71in
c
235mm
9.25in
240mm
9.44in
d
60mm
2.36in
92mm
3.82in
e
155mm
6.10in
180mm
7.08in
f
20mm
0.78in
24mm
0.94in
g
31mm
1.22in
36mm
1.41in
Table2
YⅡ−25
YA−50
Figure3
a b
a b
d
d
c
︵
Minimumheadroom
︶
c
︵
Minimumheadroom
︶
e
f
g
f
e
g

−7−
2.3.2YⅡ-25・YA-50HookDimensions
Model Ratedload A
YⅡ−25
YA−50
250kg
551lbs
0.5t
1,102lbs
40.5mm
1.59in
44.7mm
1.75in
B
14mm
0.55in
16mm
0.62in
C
11mm
0.43in
13mm
0.51in
A
B
C
Exterior
dimensions
oftheconvex
section
Figure4
※Dimensionsofthetopandbottomhooks
arethesame.
⑴MeasuredimensionsA,B,andCinFigure4below,andrecordtheactualmeasurementsatthe
timeofpurchase.Althoughlimitdimensionsmayalsobedeterminedbasedonthereference
standardvalues,itshouldbenotedthattherewillbesomedimensionalerrorsduetothe
forgingprocess.
⑵IfanyofdimensionsA,B,andChavereachedtheindicatedlimits,replacethehookwitha
newone.
⑶Theopeningofthehookwillexpandintheeventloadsexceedingtheratedloadareappliedto
themouth,orifaconcentratedloadisappliedtothetipsection.
⑷Hookswithexpandedopeningslosetheiroriginalstrengthandshock-absorbingcapabilities,
andshouldbereplaceduponexceedingthelimit.
⑸Neverreusehookswithexpandedopeningsstraightenedbyheatingorrepairing.Such
attemptscouldcauseextremelyhazardousresults.Hookswithflaws1mmormoredeepor
bent/twistedhooksshouldalsobereplaced.
Table3
※Recordactualmeasurementvalue
atthetimeofpurchase.
PurchasedProduct
Model A B C
⑴Makesurethechainstopperisattachedtothesecond-to-lastchainlinkontheno-loadside
oftheloadchain.
3.Pre-OperationalProcedures
3.1Chain
WARNING

−8−
⑴Neverinstallleverhoistswithoutsufficientexpertiseintheequipment.
⑵Make sure the location of equipment installation has sufficient strength to support the
equipmentunderload.
⑶When suspending a load from the hook, be sure to hang it in the correct position at the
centerofthehook.
⑷Neversuspendloadsfromthetipofahook.
⑸Neverusethehoistwiththehookworkingasafulcrum(thesuspendedhookisshiftedfrom
itsverticalposition).
3.2LeverHoistInstallation
⑴Before use, check the chain sling, wire rope, sling and all other hoisting equipment for
appropriate rated load. Inspect all equipment for damage, replace it as needed with new
equipment,orhaveitrepairedbeforeuse.
⑵Before operating this equipment, check the entire length of the chain and straighten any
twists.
⑶Measurethedimensions ofthetop andbottomhooks atthetime ofpurchase,and record
theactualmeasurements.
⑷Makesurethe model,serial number,and initialdateof usefor thisequipment is recorded
accordinglyatthetimeofpurchase.
⑸Make sure the location of equipment installation has sufficient strength to support the
equipmentunderload
3.3Pre-OperationalInspectionandTestRun
Correctusage
Suspendfromthe
axisofthehook.
Suspendedobjectsor
slingsarenothunginthe
properposition.
Thelatchisnot
functioning
properly.
Thetipofthehookisnot
capableoffullysupporting
theload.
※Donotattachhooksinthemannerillustratedinthefigure
below(bothupanddown)asitisdangerous.
⑴Wheninstallingthehoistoutdoors,lubricatetheloadchain.Afteruse,cleanthelever,apply
lubricant,andstoreinadryplace.
NOTICE
Figure5
WARNING
WARNING
CAUTION

−9−
⑹Makesuretheequipmenthasbeeninstalledcorrectly.
⑺Makesureallnuts,bolts,andcotterpinaresufficientlysecuredinposition.
⑻Understandtheworktobedonewiththeequipmentandoperateaccordingly.
⑼Users are required to ensure this equipment has been safely installed and operated in
accordancewiththeapplicableprovisionsofANSI/ASMEB30.21LeverHoistsstandard
and OSHA regulations, and that the maintenance and inspection requirements have been
met.
⑽Before operating this equipment, make sure no interfering objects are present within its
entirerangeofoperation.
3.3Pre-OperationalInspectionandTestRun(continued)
⑴Individuals unfamiliar with the contents of the
instruction manual and caution nameplate must not
operatethisproduct.
⑵Donot use this product to support, lift, or transport
people.
⑶Donotallowanyonetoentertheareaunderneathor
withinthemovementrangeofsuspendedloads.
Additionally, do not move the load above anyone.
(Figure6)
⑷Usethisproductwithinatemperaturerangeof
−40℃to+60℃（withhumidityoflessthan
100%RH）.
⑸Donotusethisproductinwater.
⑹
Never use this equipment in locations constantly
subjected to wind, rain, or waves, or in locations
susceptible to salt damage, acid, alkali, etc., as this
could cause damage to the equipment and load
chains.
4.1GeneralHandling
4.PrecautionsforUse
⑴Only operators who have thoroughly read and fully understand the contents of this
instructionmanualshouldcarryoutworkrelatedtoinspectionandrepairoftheequipment.
ItisalsonecessarytounderstandtheANSI/ASMEB30.21andANSI/ASMEB30.10and
relatedstandardsof ANSI/ASME. Useofthis productwithoutthorough understandingof
allrelevantinformationisstrictlyprohibited.
⑵Thosewithoutanaccurateunderstandingofitscontrolsarenottooperatethisequipment.
⑶Thosewithoutanunderstandingoftheproperoperatingproceduresforattachingloadsto
thetopandbottomhooksarenottousethisequipment.
Figure6
WARNING
WARNING
DANGER

−10−
⑷Operatorare required tounderstand the adjustment, failure,and repair ofthis equipment.
Operatorsunabletostopoperationandtakecorrectiveactionintheeventofamalfunction
arenottousethisequipment.
⑸Operatorsshouldbeattentiveofpotentialmalfunctionsoftheequipmentwhichmayrequire
adjustmentorrepair,andmuststopoperationandcontactasupervisorimmediatelyinthe
eventsuchamalfunctionoccurs.
⑹Individualswithrestrictionsineyesight,fieldofvision,reactiontime,ormanualdexterityare
nottooperatethisequipment.
⑺Individualswithoutsufficientbodilycontrol,thosewithphysicaldeficiencies,areemotionally
unstable, have a history of seizures, are prone to seizures, or are otherwise likely to
operatetheequipmentinamannerpotentiallyhazardoustotheoperatororothersarenot
tooperatethisequipment.
⑻
Operator under the influence of drugs, medical drugs, or alcohol are not to operate this
equipment.
⑴Neversuspendloadsexceedingtheratedload.
(Figure7)
⑵Donotusethisequipmentifitisdamagedor
emitsabnormalnoises.
⑶Neveruseloadchainsthataretwisted,
tangled,cracked,haveabnormalmeshing,or
areelongatedorwornbeyondspecifiedlimits.
⑷Donotintrudeintotheareabeneaththeload
orwithinthemovingrangeoftheload.
Additionally,donotmovetheloadaboveanyone.
⑸Neveroperatethehoistinsuchamannerasto
lettheloaddropevenaslightdistance.
⑹Nevercut,splice,orweldtheloadchain.
⑺Donotoperatetheleverhoistiftheload
cannotbesuspendedfromthecenterportion
ofthehook.
⑻Donotusethisequipmentasasling
suspensiondevice.Also,donotusewiththe
loadchainwrappedaroundtheload.
4.2PrecautionsbeforeOperation
Understanding of the hazard tags/labels and nameplate (tonnage) attached to the unit is
required.
※FromtheprovisionsoftheANSI/ASMEB30standard:
●Engineering functions of this equipment alone cannot mitigate all hazards, which include
hazardsthatcanbemitigatedbytheoperator'sknowledge,experience,caution,andcommon
sense. In order to enhance awareness of the above, fully understand the contents of this
instructionmanualandusetheequipmentsafely.
WARNING
WARNING
NOTICE
Figure7
Excessive
weight

Figure11
Groundingtobuildingstructure
Heat
generation
Building
−11−
⑼Neveroperateequipmentbymeansofpipes,
etc.insertedintotheEquipmentorby
steppingontheEquipmentwithyourfeet.
(Figure8)
⑽Neverapplyloadsexceedingtheratedload
onasingleunitofthisequipmentwhen
performingtwo-hoistlifting.(Figure9)
⑾Neverover-windorover-lowerloads.
⑿Neversuspendaloadwiththetipportionof
thehook.(Figure10)
⒀Whensuspendingloadsfromthehook,never
operatethehookinsuchawaythatalateral
loadisappliedtoeitherthetoporbottom
hooks.
⒁Donotleavetheloadsuspendedforalong
time.
⒂Donotconnectthegroundingfromwelding
machinestotheloadchain.(Figure11)
⒃Neverallowweldingelectrodestocomein
contactwiththeloadchain.
⒄Donotremovecautionlabelsornameplates
fromtheunitorusetheunitwithcaution
labelsornameplatesinanillegiblecondition.
⒅Donotusetheproductifthenameplate
affixedtothemainunitisillegible.
⒆Makesurethatallpersonnelareclearofthe
supportload.
⒇Donotallowsparksfromwelding,etc.into
comeincontactwiththisequipment.
󱙇Whenliftingormovingaload,notify
surroundingworkers.
󱙈Neverinstallthisequipmentwithoutsufficient
expertiseintheequipment.
󱙉Makesurethelocationofequipment
installationmaintainssufficientstrengthto
supporttheequipmentunderload.
Figure10
4.2PrecautionsbeforeOperation(continued)
Figure8
Figure9
WARNING
Bothhoistsare
for0.5tloads

−12−
󱙊Donotallowanyonetorideonsuspendedloads.
Neverusetheleverhoistforhumantransport
purposes.(Figure12)
󱙋Neverreverseasuspendedloadwithoutsufficient
expertiseindoingso.
󱙌Donotsuspendexcessiveloads.
󱙍Whenmaintainingtheloadinasuspendedcondition
forashortperiodoftime,besuretoleavetheswitch
pawlsintheliftingposition.
󱙎Neverusethehoistorthehooktoworkasafulcrum.
󱙏Donotusedamagedordeformedtop/bottomhooks.
󱙐Neverusethisequipmentiftheloadchainisdeformed
ordamaged.
󱙑Donotoperatetheequipmentwiththeloadchain
lodgedagainstasteelplateorothercorners.(Figure
13)
󱙒Donotoperatetheloadchainbyanymeansother
thanhumanpower(donotuseanytoolsorobjectson
thecontrols).
󱙓Donotapplyabruptforcetotheloadchainduringidle
operation.
󱙔Suspendslingsproperlyontothehook.
󱙕Duringlifting,temporarilypausewindingonceeither
theloadchainorslingcomesundertension.
󱙖Keeptheleverhoistunitandloadchaincleanandfree
ofsandandotherdebris.
󱙗Makesuretheliftingheightissufficientforthe
intendedwork.
󱙘Makesuretheloadchainissufficientlylubricated.
󱙙Donotmodifythisequipmentinanyway.
󱙚Donotusewiththeloadchainwrappedaroundthe
load.(Figure14)
󱙛Donotsuspendtheloadchaindirectlyfromropehook
fixturesontrucks.Donotusetheloadchainasa
suspensiondevice.(Figure15)
Figure14 Figure15
4.2PrecautionsbeforeOperation(continued)
Figure13
Figure12
WARNING
Truck
platform

−13−
⑴Whenoperating this equipment, be sureto maintain afirm foothold, andotherwise ensure
safeworkingconditions(forperformanceofoperations).
⑵Alwayscheckthebrakefunctionbeforeusingthisequipment.
⑶Makesurethelatchforthehookisproperlyattached.Thelatchhelpspreventslings,chain
slings,andotherslingingtoolsandloadsfrombeingreleased.
⑷Makesureallobstaclesareremovedfromthevicinityoftheload.
⑸Avoidshakingeithertheloadorthehook.
⑹Makesurethehookismovinginthepredetermineddirection.
⑺Inspect this equipment periodically and replace any damaged or worn parts. Maintain
recordsoftheinspections.
⑻Neveruseotherthangenuinepartsfromthemanufacturerofthisequipment.
⑼Donotbecomedistractedfromtheloadduringoperation.
⑽Repairsoftheequipmentmustonlybedonebyqualifiedservicetechnicians.
⑾Afterfinishingoperationofthehoist,wipeoffanymud,water,andforeignmatter,andapply
lubricationtothechainandhook.
⑿Neverapplylubricantstothebrakeparts.
⒀Storetheequipmentinadrylocation,protectedfromrainanddew.
⒁Always loosen the brake for storage, and never store the equipment with the brake in a
tightenedcondition.
※If the hoist is stored with the brake tightened, it will not be able to perform lowering
operationsthenexttimeitisused.
Inthiscase,performaloweringoperationoncetodisengagethebrake.
⒂Whendisposingofthisequipment,disassembleittopreventitsreusebyothers.
󱙜Do not hang hooks onto the rope hook
fixturesoftrucksinamannersubjectingthe
neck portion of hooks to strain when tying
down the cargo (could result in neck
breakage).
(Do not use hooks in a manner that it is
subjected to lateral bending forces.) (Figure
16)
Instead,hookwireslingsontotheropehook
fixturesfirst,andthentiedownthecargo.
4.2PrecautionsbeforeOperation(continued)
Figure16
WARNING
CAUTION
Truck
platform

−14−
5.1Aboutfreechainingoperation
⑴Neverselectthefreechainingoperationwhiletheloadchainisunderload.Alwaysselectit
whenthereisnoload.
⑴MakesurethattheselectleverissettotheNposition.
5.2Howtoadjustthelengthoftheloadchain
5.LeverHoistOperation
Lever hoist type YⅡ-25 / YA-50 in the no-load state, enables free chaining operation by
operatingtheselectlever.
※Free chaining operation is a state in which the load chain can be moved by releasing the
brakewhenthereisnoload.
Toadjustthelengthoftheloadchainwhennoloadisappliedtotheloadchain,performthefree
chainingoperationintheordershowninthefigurebelow.
※BelowexplanationisforYA-50.TheoperationmethodisthesameforYⅡ-25andYA-50.
WARNING
DANGER
Tophook Tophook
Latch Latch
Selectlever
Latch
Latch
Selectlever
Chainonloadside Chainonloadside
Chainstopbolt
Chainstopbolt
Bottomhook Bottomhook
Chainonnoloadside Chainonnoloadside
Chainstopper
Chainstopper

−15−
Operatingprocedure
⑴Donotpulltheloadchainstronglyduringfreechainingoperation.
⑵Whentheloadchainispulledstrongly,thebrakeisappliedandtheloadchainisfixed,
⑴Adjustthepositionofthe lowerhookandthe length oftheloadchain withthefreechaining
operation.
⑵Suspendtheloadonthebottomhook.
⑶Settheselectleverto(UP)andapplyloadbyoperatingthelever.
⑷Movetheleverclockwisetowinduptheloadchainandbottomhook.
⑸Settheselectleverto(DOWN)androtatethelevercounterclockwisetolowertheloadchain
andbottomhook.
⑹Iftheleveroperationisheavywhenlowering,applyalittlemoreforcetothelever.
⑺Tostopoperationwiththehoistunderaload,settheselectlevertothe(UP)position.
⑻Iftheloadchaindoesnotmovewhentheleverhoistisoperatedwithnoloadorlightload,the
brakeisreleased.Inthiscase,operatewhilelightlypullingtheloadchainontheloadside.(This
isnotamalfunction)
5.3 Lifting/LoweringOperation
①Movetheselectleverto
the“DOWN”position.
③Settheselectlever
to“N”
（Iftheloadchainonthehook
sideispulledstrongly,the
brakewillbeapplied,Theload
chainwillbefixed.）
※Ifthebrakeisengagedandthe
chainisfixed,movetheselect
leverto（UPorDOWN）and
rotatethelevertoadjustthe
lengthofchain.
④Slowlypullthe
loadchaintothe
desiredposition.
UP DOWN
N
UP DOWN
N
②Movethelever
2-3times.
Pull
Pull
NOTICE

UP
−16−
Lowering
Operatingprocedure
②Rotatethelever
clockwise.
③hookrises.
①Movetheselect
levertotheUP
(lifting)position.
①Movetheselect
levertotheDOWN
position.
UP DOWN
N
②Rotatethelever
counterclockwise.
③Hookdescends.
DOWN
N
Lifting
⑼Even if it is in free chaining state, if a load is applied to the bottom hook, the brake will be
activatedinstantly.
⑽Whenlifting,theloadisalwaysfixedbythepawlsofthemechanicalbrake.
⑾Whenloweringtheload,theleverisoperatedtoloosenthemechanicalbrakeandtheloadis
lowered.
Whenthe lowering operation isstopped, the mechanical brake isinstantly tightened and the
brakeisapplied.

−17−
⑴Makesurethatthelocationwherethetophookishungtoinstallthisdevicehassufficient
strength.
⑵Whenliftingoneloadwithtwounitsofthisequipment,selectequipmentofwhichratedload
thatcanlifttheloadwithoneunitofthisequipment.
⑶Neverwinduporwinddownexcessively.
⑷Inspecttheliftingcomponentsforanyabnormalitiesbeforeuse.
Chooseamethodthatdoesnotoverloadtheliftingcomponents.
⑴Beforeoperatingthelever,makesurethattheleverhoistsisnotinfreechainingstateand
thatthepositionoftheselectleveriscorrect.
⑵Whenloweringalightload,iftheloadchaindoesnotlower,lightlypullthechainontheload
sidetooperate.
UP DOWN
Free
chaining
Figure17 Figure18 Figure19
WARNING
NOTICE
UP DOWN
N
UP DOWN
N
UP DOWN
N
Lifting Lowering

−18−
6.1Definition
6.Inspectionofleverhoists
ThisinspectionprocedureiscompliantwiththeprovisionsoftheANSI/ASMEB30.21standard.
The following word definitions, considered important, are from ANSI / ASME B30.21 and are
relevanttothefollowinginspectionprocedures:
Inspection criteria reflecting dimensional and geometrical characteristics are provided
separately.
●NormalService
Formofmaintenancetobeperformedonequipmentoperatedwithrandomlydistributedloads
withintheratedloadrangeanduniformloadsoflessthan 65% oftheratedloadfor15%or
lessoftheoverallusagetime.
●HeavyService
Form of maintenance to be normally performed on equipment used under static loads
exceedingthelevelofnormalservice.
●SevereService
Form of maintenance to be performed on equipment subjected to operations exceeding the
levelofnormalorheavyservicesandexhibitingabnormalbehavior.
●PersonnelCompetence
Personnel performing duties identified within this document shall meet the applicable
qualificationcriteriadescribedinthisdocument.
Additionally, those personnel are required to acquire abilities to perform the duties of the
position as determined by the employer or the employer's representative and, where
appropriate, to ensure competency based on education, training, experience, skills, and
physicalfitness.
●QualifiedPerson
Tobeinpossessionofarecognizeddegreeorhavecertificateofprofessionalstandinginthe
applicable field, or extensive knowledge, training, and experience making one competent to
solvejob-relatedproblems.
6.2General
⒜All inspections are to be performed by designated personnel in accordance with the
recommendations of the manufacturer and the requirements of this document. Defects
identified shall be investigated and determined by qualified personnel as to whether they
constituteahazardandwhetherornotmoredetailedinspectionordisassemblyisrequired.
⒝Inspectionfrequency
Inspectionintervalsshallbedeterminedbyaqualifiedpersonbasedontheintendedoperating
conditionsandtheimpactofsuchconditionsoncriticalhoistcomponents.
6.3InspectionCategory
⒜Initial inspection: Hoists to be used for the first time and hoists experiencing repairs and
components exchange shall be inspected in accordance with the routine inspection
requirementsofSection6.5.
⒝Pre-useinspection:Avisualpre-useinspection, for whichnorecordsarerequired,shallbe
performedatthebeginningofeachoperation.
⒞Normalinspection:Avisualinspectionforwhichnorecordsarerequired.
⑴Normalservice:Monthlybasis
⑵Heavyservice:Weeklytomonthlybasis
⑶Severeservice:Dailytoweeklybasis
⒟Routine Inspection: A documented visual inspection to provide the basis for ongoing
evaluation.Codedmarkingsinscribedontheexteriorofhoistsareacceptableidentificationin
lieuofarecord.
⑴Normalservice:Annualbasis
⑵HeavyService:Semi-annualbasis
⑶Severeservice:Quarterlybasis

−19−
6.4Pre-useinspections
Minimuminspectionrequirementsincludethefollowingitems:
⒜Properoperabilityandappropriateadjustmentoftheoperatingmechanism,andanyabnormal
noiseemission.
⒝RoutineinspectionofhooksinaccordancewithASMEB30.10.(itemnumbers10-1.10.3and
10-2.10.3)
⒞Applicationofloadtotheloadchainwithoutoveralldamage.Inspectionitems(refertoSection
6.7.)
⒟Loadsheaves,idlewheels
⒠Properinstallationofloadchainterminalanchorage.
⒡Deformation,cracks,and/orotherdamagetothehoistunitandlevers.
⒢Evidenceofdamagetothesupportstructure
6.5Normalinspection
Minimuminspectionrequirementsincludethefollowingitems:
⒜Properoperabilityandappropriateadjustmentoftheoperatingmechanism,andanyabnormal
noiseemission.
⒝RoutineinspectionofhooksinaccordancewithASMEB30.10.(itemnumbers10-1.10.3and
10-2.10.3)
⒞Applicationofloadtotheloadchainwithoutoveralldamage.Inspectionitems(refertoSection
6.7.)
⒟Loadsheaves,idlewheels
⒠Properinstallationofloadchainterminalanchorage.
⒡Deformation,cracks,and/orotherdamagetothehoistunitandlevers.
⒢Evidenceofdamagetothesupportstructure
6.6RoutineInspection
⒜Routineinspectionscanbeperformedatthelocationofusage,anddisassemblyofthehoistis
notnecessary.
⒝Coversand other parts of the structure may be released or removedfor inspection, but the
coversmustbeclosedorreplacedbeforethehoistisrestoredtoitsnormalstate.
⒞Minimuminspectionrequirementsincludethefollowingitems:
⑴Itemslistedinsection6.5
⑵Routine inspection of hooks, including latches, in accordance with ASME B30.10 Hooks
(items10-1.10.4and10-2.10.4)
⑶Inspectionforloosefastenersincludingrivetsandbolts.
⑷Inspectionforwear,corrosion,cracks,anddistortionofstructuralparts.
⑸Damageandwearofloadsheaves,idlewheels,etc.
⑹Inspection for traces of worn or oil-contaminated friction discs, worn pawls and ratchet
wheels, corroded, stretched or broken pawl springs due to the structure of the friction
brake.
⑺Inspectionfordamagetothesupportstructure.
⑻One or more labels as required under provision ASME B30.21 21-1.1.4 to be intact and
clearlyvisible.
⑼Inspection for deterioration, corrosion, cracks, damage, and deformation of load chain
terminalanchorage.
⑽Inspectionformissinghoistmountsandhoistfittingmounts.
⒠Hoistsnotinuseonaregularbasis
⑴Hoistsunusedforadurationofonemonthormorebutlessthanoneyearshallbeinspected
inaccordancewiththeprovisionsofSection6.5priortouse.
⑵Hoistsunusedforadurationofoneyearormoreshallbeinspectedinaccordancewiththe
provisionsofSection6.6priortouse.