ModelEEWB330AHandspin Wheel Balancer____________________________________________________
4.0OPERATIONOFTHEBALANCER
WARNING:Foroperatorsafety,pleasereadand
followtheprecautionsoutlinedonpages1and2of
thismanual.
NOTE:Readallinstructionsbeforeproceedingwith
operationofthebalancer.
Allbalancerfunctionsareinputintothemain
computerthroughthelargeeasytoreadtouchpanel.
Althougheachwheeltireassemblydifferinsomeways
allbal‐ancingjobsrequirebasicallythesame
procedure.Theorderofeventstotakeplaceare:
1.Inspectionofthewheel/tireassembly
2.Mountingwheelontoshaftoradapter
3.SelectionofBalancingModeandPreferences
4.Entryofwheelparameters
5.Spinningthewheel
6.Applyingtherecommendedweight
7.Checkspinifdesired
8.Dismountingthewheel
Thefollowingoperationinstructionswillfollowthe
basicoutlineabove.
4.1CHECKLIST‐INSPECTIO N
ObserveBeforeBalancingWheel
1.Checkforproperairpressure.Ifnotcorrect,inflate
tocorrectpressure.
2.Checkforanyforeignmaterialinsidetire.Ifpresent,
removebeforebalancingtire.
WATERISFOREIGNMATERIAL!
3.Removeoldweights—oldweightsmaybe
impropervalueorinwronglocation.
4.Besuretireandwheelarefreeofexcessivedirt,
rustandlargestones.Usewirebrushonbacksideof
wheelifnecessary.
4.2WHEELMOUNTING
Nearly all standard wheels and many alloy wheels have
accurately machined center holes, and they should be
mounted with center cones. Accurate balancing
dependsonaccuratemountingofthewheelandcorrect
seating of the cone in the pilot hole. Insure that the
wheel is centered on the shaft exactly as it will be
mountedtothevehicle.
Before starting any balancing procedure it is very
important that the wheel is mounted on the machine
with the proper adaptors. Anincorrect centering of the
wheelwillresultinconsiderableimbalance.
There are many types of wheels and Snap‐on supplies
adaptors of good quality and durability for the large
majority.Howeverifyoumeetspecialwheelswhichmay
requireaspecificadaptor,callyourSnap‐onfranchise.
Rimsmaybedividedintothesemajorgroups:
1.Carwheelswithatruecenterhole.
2.Carwheelswithoutacenterhole.
3.Carwheelswithanuntruecenterhole.
4.Lighttruckwheels.
5.Lugcentricwheels
6.Cladwheels
4.2.1StandardWheels(backconemount)
MountthewheelasdetailedbelowinFigure11:
1.Mountproperconeagainstspringplate.
2.Mountwheelonshaftinthesamemannerasyouwouldon
thecar.
3.Mountpressurecuponshaftandplaceagainstoutsideof
wheel,followwiththeQuick‐nut.
4.TightenQuick‐nutsecurelywithbothhands.Tooperatethe
Quick‐nutpullthelock‐unlocklever(Figure12).Slidethe
Quick‐nutonthethreadedshaft.Whenincontactwiththe
rim,releasetheunlockleverandtightenfirmly.Toassistin
centeringthewheelproperly,rotatethewheelontheshaft
whiletighteningthequicknut.
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