Kroll Kozy - Cleaning & Maintenance

Kroll Kozy
Page 9
Cleaning&Maintenance
Whenyouburnwasteoilinyourkroll,thereisnosmokeorfumes,butyouwillgetanaccumulation
ofashinthevapourisingpan.Theamountofashyougetdependsuponhow“dirty”yourwasteoilis
–eg.Verythick,blackoilfromolddieselenginesleaveslotsofash.Usedtransmissionoilleavesvery
little.

Onatypicalday,beforestartingyourheater,youwilltakeout“yesterday’span”andputintheclean
one.Atsomeconvenienttime,youcancleanyesterday’span,readyfortomorrow.

Ifyouarefindingsomeoftheashisdifficulttoremove,youcan,afterscrapingoutthe“easy”stuff,
placeyesterday’spanbackintheheater,onitsside,ontheledge.Theheatturnsthatstubborn
carbonintoawhitishpowderwhichiseasytoremove.

TheprincipleofoperationofyourKOZYisthatwasteoiltricklesontotheveryhotcastironpanand
vapourises.Ifthereisathicklayerofashandsolidcarboncoveringmostofthesurface,thentheoil
willnotvapouriseproperlyandyouwillgetincompletecombustion,wetoil,smokeandamess
insideyourburnerbasin.

So,it’simportantthatyoucleanthepansproperly.

Youalsoneedtoworkouthowmuchashaccumulatesinthepaneachday.Ifthepanistoofulland
thereisabitofwetoilpresent,youmayneedtoswitchitoffearliereachdayand/orrunitonLOW
only.Iftheburnerbasinneedstobecleaned,becauseofexcessivebuildupinthebottomandonthe
wall,thebestwayistotakeitoutoftheheater.Thisisnotadifficulttaskifyoufollowthesesteps:
1. Unplugthepoweratthepowerpointanddisconnectthefivepinterminal.
2. Removetheoilfeedline,takingcarenottolosethefibrewasher.
3. Removethealuminiumoverflowcup.
4. Removethepanitsitsin,butplaceitaside
carefully,becauseitisstillattachedtothe
combustionfan.
5. Removetheoilinletpipeandgasket,which
isheldtothebackoftheburnerbasinby
two6mmnuts(10mmsocketrequired).
6. Removethethreephilipsorhexhead
screwsaroundtherimoftheburnerbasin,
andliftitstraightup.It’spossiblethatthe
threescrews(twoontherim,andoneon
thesmallrectangularplate),have
deterioratedintheheat,andyoumayhave
todrillthemout.