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• Lubricatethebearingsasfollows:

– Initial Start-up: Normally,nolubricationisrequiredsincethebearingshavebeen

lubricatedatthefactorypriortoshipment.However,ifthecoolingtowerhasbeen

storedatthejobsiteormorethanthreemonths,bothbearingsshouldbelubricated

withnewgreasebeforeinitialoperation.When lubricating, purge the old grease

from the bearing by gradually adding grease until a bead of new grease appears at

the seal on the underside of the bearing.

– Seasonal Start-up:Purgethebearingswithnewgreasepriortostart-up.

– Operation:Purgethebearingswithnewgreaseeverythreemonthswhilein

operation,or2,000hours,whichevercomesrst.

– Extended Shutdown:Purgethebearingswithnewgreasebeforeandafterany

prolongedstorageordowntime.

Heat Transfer Section

Fill & Drift Eliminator

TheSeries3000hasPVCllwithintegraldrifteliminators.

Inspection & Maintenance

• Inspectandcleanthellwiththeintegraleliminatorsatleastquarterly.

• Theinspectionprocedureisasfollows:

– Shut-offthefanandthesystempump.

– Inspectthellforobstructions,damageandfouling.

• Removeanyobstructionsfromthell.

• Removeanyminorfoulingchemically.Contactyourlocalwatertreatmentconsultant

foradvice.

• Majorfoulingrequirescleaningandushing.

Water Distribution System

Hot Water Basin

Thehotwaterbasinsarelocatedonthefandeck.Thesystemwaterentersthecooling

towerthroughthehotwaterbasins(refertoFigure 6, page 19).Aseriesofnozzles,which

distributewateroverthell,arelocatedinthehotwaterbasin.Therearefourmaterials

ofconstructionforthehotwaterbasin:Galvanizedsteel,ThermosettingHybridPolymer,

Type304stainlesssteelandPultrudedFiberglassReinforcedPolyester(PFRP).

BAC 3872C User Manual

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