User manual
CLKTCDSeriesUserManual–Rev.2.0.1Page35
MinimizeHairlineScratches
Alwaysstoretheclockface‐upintheprotectiveplasticshippingbaguntilreadyforinstallationand
duringtransportingtotheinstallationsite.Donotplacetheclockface(lenssurface)downonany
surfaceasthismayscratchormarthelens.
Scratchesandminorabrasionscanbeminimizedbyusingamildautomobilepolish.Threesuch
productsthattendtopolishandfillscratch
esareJohnsonPasteWax,NovusPlasticPolish#1and#2,
Novus,Inc.,Minneapolis,MNandMirrorGlazeplasticpolish(MGM10)MirrorBrightPolishCo.,
Pasadena,CA.Itissuggestedthatatestbemadeonaverysmallsectionofthepolycarbonatelens
withtheproductselectedandthatthepolishmanufacturer'
sinstructionsbefollowed.
"Don't"‐VeryImportant
• Don'tstoretheclockwithouttheprotectiveplasticshipmentbag.
• Don'tstoreorplacetheclockfacedownonanysurface,asthi
smayscratchthelens.
• Don'tuseabrasiveorhighlyalkalinecleaners.
• Don'tusepapertowels,paperproducts,rayonorpolyesterclothstocleanordrythelens.
• Don'tscrapethelenswithsqueegees,razorbladesorothersharpinstruments.
• Don'teverusebenzene,gasoline,acetone,meth
ylethylketone(MEK),muriaticacidorcarbon
tetrachlorideonthelens.
• Don'tcleanlensesinhotsunoronveryhotdays.
CleaningtheLens
ThefollowingcleaningagentshavebeenfoundtobecompatiblewiththePolycarbonateandAcrylic
lens.Manufacturer'sinstructionsshouldbefollowed.Formula409™(CloroxCo.),TopJob™(Proctor
andGamble),VMandPgradeNaphthaJoy™(ProctorandGamble),Windexw/AmmoniaD™Drackett
Products),PalmoliveLiquid™(ColgatePalmolive).
ForeignSubstanceRemoval
• ButylCellosolve(Forremovalofpaints,markingpens,lipstick,etc.)
• Theuseofadhesivetapeorlintremovaltoolsworkwellforliftingoffoldweatheredpaints.
• Toremovelab
els,stickers,etc.,theuseofkerosene,naphthaorpetroleumspiritsisgenerally
effective.Whenthesolventwillnotpenetratestickermaterial,applyheat(hairdryer)to
softentheadhesiveandpromoteremoval.Gasolineshouldneverbeused.