1.Precautions
Figure1-1:LeakageCurrentTestCircuit
4)Withtheunitcompletelyreassembled,plugtheAClinecorddirectlyintoa120VACoutlet.Withtheunit’sACswitch
rstintheONpositionandthenOFF,measurethecurrentbetweenaknownearthground(metalwaterpipe,conduit,
etc.)andallexposedmetalparts,including:metalcabinets,screwheadsandcontrolshafts.Thecurrentmeasuredshould
notexceed0.5milliamp.Reversethepower-plugprongsintheACoutletandrepeatthetest.
1.1.4.ProductSafetyNotices
Someelectricalandmechanicalpartshavespecialsafetyrelatedcharacteristicswhichareoftennotevidentfromvisual
inspection.Theprotectiontheygivemaynotbeobtainedbyreplacingthemwithcomponentsratedforhighervoltage,
wattage,etc.Partsthathavespecialsafetycharacteristicsareidentiedby
onschematicsandpartslists.Asubstitute
replacementthatdoesnothavethesamesafetycharacteristicsastherecommendedreplacementpartmightcreateshock,re
and/orotherhazards.Productsafetyisunderreviewcontinuouslyandnewinstructionsareissuedwheneverappropriate.
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