Snap-On EEWB330A - User Calibration; Calibration Procedure

Snap‐onEEWB330AHandspinWheelBalancer
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6.3UserCalibration
Ifseveralmeasuringrunsarenecessarytobalancea
wheelbecausebalanceweightsizeandpositionhaveto
beadjustedrepeatedly,thisisoftenduetoinsufficient
measurementaccuracy.Ifthisisthecasetheoperator
canelectronicallycalibratetherotatingmassesonthe
machine;whichiscalledUserCalibration.
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Acalibrationruntakeslongerthanaregularmeasuring
readjustment.Balanceawheel,asaNORM
ALweight
mode,tolessthan5gramsperplane.CheckinFine
mode.Selectthe“MODE”keyandthe“precision”key
togetherfor5seconds.Thedisplayshows“CAL1”and
theunitbeeps.Spinthewheel.Whendone,thedisplay
shows“CAL2”.MounttheUserCalibrationWeight,
refertoFigure6‐2.Spinthewheel.Thewheelwillbe
braked.AfterafewsecondsthedisplayequalsFigure6‐
3.TheUCwasperformedcorrectly.‐Any(operator)
errorcausestheprogramtoexit
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(7.1.2).UnscrewtheCalibrationweightfromthe
flangeandputitbackinitsdesignatedplaceinthe
calibrationstorageholder.
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