Isel MA Series User manual

◇Iftheflangeandendarenotintightcontact,thereisthe
riskthatthemechanicallockflangemaybecome
deformed.
◇Ifthereisasteponthebackofthehub,setclearance
of1mmormorebetweenthebackandstep.(Ifthis
clearanceisnotensured,alargeforcewillberequired
forremoval,andinsomecasestheinnerraceflange
maybecomedeformed,makingreuseimpossible.)
(Figure2)
(4)Afterpositioning,tightenthelockbolts.Useatorque
wrenchandtightenthelockboltsatdiagonallyopposite
positionsinsequence.Tightengentlyatfirst
(approximately1/4ofthedesignatedtorque)then
graduallyincreasethetighteningforce(approximately
1/2ofthedesignatedtorque),andthenfullytightenthe
boltsatthedesignatedtorque.Finallyrepeattightening
ofeachboltseveraltimes,workingintheperipheral
direction.Checkthatalllockboltshavebeentightened
atthedesignatedtorqueandnonewereskipped.
(Figure3)(Table2)
◇Donotapplygreasetotheinnerdiameterpartsofthe
MSASeries.Doingsomaycauseslipping.
◇WiththeMSASeries,dependingonthetypeofgrease,
greasemayimprovethetighteningefficiency.Because
thismayresultinshaftandhubsurfacepressurewhich
exceedstheyieldpoint,itisrecommendedthat
evaluationtestingbeperformed.
(3)Installthehubthatwasmachinedtotheinstructed
dimensionsontotheshaft,andpressthemechanical
lockontotheshaft.Checkthattheflangeisintight
contactwiththeendofthehub.(Figure2)Iftheouter
racecannotbeinserted,loosentheboltsandseparate
●Installation
(1)Usepaintthinnerorothermeanstowipeoffany
corrosion,dirt,orothersubstancefromthesurfaceof
theshaftsurfaceandinnerdiameterofthehub,then
applyalightcoatofoilorgrease.
(2)RefertoTable1andapplyalightcoatofoilorgreaseto
themechanicallockinnerdiameterparts,outerdiameter
parts,contactpartsofeachtaper,andthethreadsand
headseatsofthelockbolts.
◇Usingtheproductafterunpackagingwithoutapplyingoil
orgreasetoitmaycauseadecreaseinallowable
torque. ●Removal
Checkforsafetybeforebeginningremovalwork.
(1)TurnOFFthemotorpower(powersupply)andcheck
thatthereisnotorqueorthrustforceappliedtothe
mechanicallock,andthatthereisnoriskoffallingor
otheraccident.
(2)Graduallylooseneachofthelockboltsinsequence.
Placetheloosenedlockboltsintoallofthethreaded
holesforpartremoval,thengraduallyscrewinthebolts
workingonoppositediagonalsinsequencewitheven
forceinordertodisassemble.(Figure4)
Mecha-lockInstructionManual
MA,MB,MKA,MSASeries
1.Innerring
2.Outerring
3.Lockingscrew
●Structuraldrawings
(Figure1)
(Figure2)
(Table1)
MA
〇
−
MB
〇
−
MKA
〇
−
MSA
ー
〇
Oilapplication
Greaseapplication
(Table2)
{}indicatesthestainlesssteelspecificationMSASeries
Strengthcategory12.9{A2-70}
(Figure3)
(Figure4)
Tighteningtorque
N・ｍ
Bolt
M3
M4
M5
M6
M8
M10
M12
1.9
3.9{2.7}
8.8{5.6}
15.7{9.6}
37. 3
39.2(MBSeries)
78.5
137. 3
1mmormore
Hub
Shaft
Torquewrench
Checkfortightcontact
withhubend:0clearance.
Flange
Threadedholes
forpartremoval
23 1
*Fordetails,refertotheselectiondesignguideinthemechanicallockandcouplinggeneralcatalog.
Amechanicallockisafrictionfastenerthatfastensa
shaftandhubwithouttheuseofakey.Thetolerances
andsurfaceroughnessoftheshaftandhubinstallation
surfaces,andcorrecttighteningofthelockbolts,are
veryimportantfactorsinordertoobtainthedesignated
performance.
Ifyouhaveanyquestions,pleasecontactadealeror
ourcompany.
Forsafeuseoftheproduct
ThankyouforyourpurchaseofanISELproduct.
Inordertousetheproductsafelyandobtainthe
designatedfullperformance,pleasebesuretoreadthe
followingitems.
◎Readthisinstructionmanualcarefullyandunderstand
thecontentsbeforeusingtheproduct,andbesureto
observeallinstructionsinthemanualandusethe
productcorrectly.
◎Besurethatyoufullyunderstandtheinformationrelated
tothedeviceandsafetybeforeusingtheproduct.
◎Afterreading,besuretostorethismanualcarefullyso
thatitcanbereferredtoatanytimewhenneeded
duringuse.
Thismanualclassifiesimportantprecautionsintotwo
categories:DANGERandWARNING.
◇Checkthattheproductistheoneyouorderedandthat
thereisnodamagetoit.Iftheproductisnottheone
youorderedorisdamaged,thereistheriskofinjuryto
operators,damagetoequipment,andotherdamage.
◇Neverusemolybdenumoilorgrease,oroilorgrease
whichcontainsanextreme-pressureadditive.Doingso
maycausealargedecreaseinallowabletorque,
resultinginslipping.
◇Iftheshaftincludesakeygroove,itcanbeusedas
longasthegroovewidthisasprescribedintheJIS
standard.Howeverthemaximumallowabletorqueis
reducedby15%-20%.Removeanyburrsonthekey
DANGER
WARNING WARNING
WARNING
Incorrectuseorhandling
willproducedangerous
conditionsthatmayresult
indeathorseriousinjury.
Incorrectuseorhandling
willproducedangerous
conditionsthatmayresult
ininjury.
Thereisalsotheriskof
propertydamage.
DANGER WARNING
◆Whenusingthisproduct,besurethatthenecessary
mechanisms(covers,enclosures,etc.)forensuringthe
safetyoflifeandhealthareinstalledontheequipment.
◆Wearclothingandprotectivegearthatissuitableforthe
work.
◆Keeptheworkareacleanandorderly,andworksafely
inordertopreventsecondaryaccidents.
◆Intheenvironmentwheretheproductoperates,install
safetymechanismsontoallpartswhichmaybea
dangertotheoperator.
◆Whenperformingmaintenanceorinspections,turnOFF
themotorpower(powersupply)andcheckthatthe
machinehasfullystoppedbeforebeginningwork.
◆Beforeusingliftequipment,installsafetymeasureson
theequipmenttopreventfalling.Thereistheriskof
deathorinjury,aswellasdamagetotheequipment,if
theliftpartfalls.
◆Iftheproductisusedfortransportingpersons,installthe
necessaryequipmentforsafety.
◆Donottouchtheproductwhileitisoperating.Doingso
mayresultininjury,damagetotheproduct,orother
damage.
◆Donotusetheproductforanypurposeotherthanthe
designatedpurpose,anddonotmodifytheproduct.
Thereistheriskthatthedesignatedaccuracyand
performancewillnotbepossible.
◆Ifabnormalnoiseorvibrationoccursduringwork,
immediatelydiscontinueoperationandinspectthe
equipmentandthisproduct.Ifuseiscontinuedwithout
inspecting,thereistheriskofinjurytooperators,
damagetoequipment,andotherdamage.
groovebeforeusing.
◇Iftheproductisreused,checkthatthereisno
deformation,damage,orotherproblemwiththeproduct
oranyofitscomponentsbeforeuse.Ifthereisdamage,
deformation,orotherproblem,replacewithanew
product.
◇Whentighteninglockbolts,besuretouseatorque
wrenchthatincludesatorqueadjustmentscale,and
tightenatthedesignatedtighteningtorque.Useofa
plate-typetorquewrenchmaycauseslipping,
deformation,andothertroublebecauseitisdifficultto
checkthedesignatedtorque.
◇Neveruseanyboltotherthanthedesignatedbolt.There
istheriskofdamagetothebolt,resultinginan
accident.
◇Inordertoensurethedesignatedperformance,an
oppositeshaftwithtolerancegradeh7,hubtolerance
gradeH7,andsurfaceroughnessofRa1.6orlessis
recommended.
◇Inthecaseofahollowshaft(pipe),dependingonthe
thicknessitmaynotbepossibletoobtainsufficient
surfacepressure.Pleasecontactourcompany.
◇Iftheproducthasspecialspecifications,itmaydifferin
partsfromthecontentsofthisinstructionmanual.
Pleasecontactadealerorourcompany.
◇Withstainlesssteelspecifications(MSASeries),turn
thestainlesssteelboltsslowlywhentighteningthem.If
theyareturnedtooquickly,gallingorseizureofthebolts
mayoccur.
◇Iftheboltsaretightenedwhenthemechanicallockis
notconnectedtoanything,themechanicallockmay
becomedeformedandberenderedunusable.Therefore
checkthatthehubandshaftarefullyinsertedintothe
mechanicallockwhentighteningthebolts.
Threadedholes
forpartremoval
theinnerandouterracetaperedpartstoreleasethe
tightcontactbeforeinserting.Ifthecasingsection
cannotbeinserted,useaplasticmalletorsimilartoolto
gentlystrikeitwhileinserting.(Strongstrikingis
prohibited!)

◇Applyoiltotheboltsusedforpartremoval.
◇Besuretouseallofthethreadedholesforpartremoval,
andtoscrewtheboltsinusingseveralstages.Thereis
theriskthattheinnerracemaybecomedeformed,
makingreuseimpossible.
WARNING
Osaka Headquarters
Midosuji Grand Tower 15F, 3-5-1, Bakuro-machi, Chuo-ku
Osaka City, Osaka Prefecture, 541-0059, Japan
TEL: [phone] FAX: [phone]
*Specificationsmaybechangedwithoutnotice.
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