Kroll Kozy
Page 11
SludgeBuildUpInTank
Dependinguponthequalityofyouroil,youmaygetagradualbuildupofsludgeinthebottom
ofyourKroll’soiltank.Werecommendthatattheendoftheseason,yourunthetankempty,
removeitfromit’smount,andflushoutthesludgewithabitofkerosene.Leaveitemptyover
Summer.
InspectPansRegularly
Thecastironvaporisingpansshouldlast2or3Wintersdependingonusage.Harshtreatmentor
droppingthemcanshortentheirlife.DONOTUSECRACKEDORBADLYDISTORTEDPANS.
AFEWTIPSONOILQUALITY
YourKrollKozywillburnjustaboutanykindofoil,butthebetteritis,thelessmaintenanceyou
havetodoonyourheater.
Thebestwasteoilistransmissionoil.Theworstisfromdieselenginesthatdoalotofwork
betweenoilchanges.OilfromdieselsisOKifit’sbeenchangedregularly,butifit’svery,very
dirty,thenitwillleavealotofash.Buteventheworstoilcanbeused,ifit’smixedwithbetter
wasteoil,orsay10to1withnewdieselfuelorheatingoil.Alternatively,ifit’sallowedtosettle
for6weeksorso,thetophalfbecomesquitegoodanditgetsprogressivelyworseasyougo
down.SowesuggeststoringyourwasteoiloverSummer,soitsettles,andthendiscardingthe
last10%orso,ofeachdrum.Thisgetsridofexcessivewateralso.
YourKrollisfairlytolerantofabitofwaterintheoil,butit’sbesttocheckanddrainitoff
throughthewaterdraincock,onaregularbasis.
Italsopaystocheckboththefansforbuildupofdirtandlintontheblades,andcleanthemif
necessary.
Malfunctions
#1Heaterwon’t“cutin”beforethestartingfluidburnsout.
Theoverflowcupmayhavesomeoilinit,causingittopressdownonthemicroswitch.Oilcan
accumulategraduallyinthecupfrom“splashing”insidethefurnace,orifspillageoccursdown
thebackoftheheaterwhilefillingthetank.
� HeaternotswitchedonatPowerPoint,orattheON/OFFswitch.
� Notenoughstartingmixture.
� Faultythermostat.Thisismostunusual,butitcanhappen.
#2theHeater“cutsin”,butthefiresdiesoutsoonafter.
� Mainstopcockstillclosed.
� Toomuchwaterinthebottomoftheoiltank.
� TankEmpty.