GE GCY51F Series Instructions Manual

i.j:;Jl/12hvolts,iI1fCr5etdtAdjustthepndsshifterforananj1esor.tirigof75IcOrCes1agI1agePreheattherelay at ratedvoltage,zerocurrent‘nroximatelyfifteenminutesbeforeattemptingtoperform any calibratiorichecksoradjustments.Control SpringAdjustmentReducethevoltagetothevaluelistedinTableXIII, increasethecurrentuntiltheunitcontactsclose.ThisshouldoccurbetweenthevaluesofrestcurrentlistedinTableXIII.TABLEXIIIUNITi3ASICMINIMUMØMETERTEST TESTREACH0-NTAPSETTINGVOL1AGECURRENT1.5ohms750lag 2.0V2.7-3.3AM17.5ohms750lag 2.0V0,54-0.66M22.0ohms75°lag 2.0V2.0-2.54N210.0ohms750lag 2.0V0.40-0.54•Adjust thecontrol springoneachunitifnecessarytoobtain contact closingbetweenteetestcurrentlimitsin TableXIII.ClutchChecksTheclutchadjustmentscanbemadeusingaspecialwrench,0246A7916 andastandard3/8 inchopenendwrench.Thespecialwrenchis insertedintotheunitbetweenthe topof thefront coilsandthecontacthead.ThewrenchshouldengagetheBakelite partjustabovethecup. Thiswillkeepthecupassemblyfromturningwhileadjustingtheclutch.Withthespecialwrenchholding thecupassemblysecure,theopen endwrenchisusedtotightenorloosen theselflocking nutlocated atthe topof thecupshaft.Turningthisnutclockwisewilltightentheclutchandincreasetheclutchsetting.Turningcounterclockwise willdecrease theclutchsetting.Todeterminethepropersettingoftheclutch,the followingrelaysettingsmustbemade.RELAYRESTRAINTMlUNITM2UNITOFF3ETMODELLEADS12GCY51F1A3ohmtaps3ohiotaps0NunitsiortorJ2GEY51F2A15ohmtaps15ohmtaps0N2unitopenClutch-ElectricalTestsMETER CLUTCHSLIPCURRENTVOLTAGEUNIT SETTING 12GEYS1F1A 12GCY51F2Al75°Lag 12026-45Amp5-9AmpjN2750Lag 12035-55Amp7-ilAmp