Curtis CAFE PC1 - Component Replacement and Service; Dump Valve Replacement and Adjustment; Whipper Plate and Light Box Maintenance

I. Instructions for replacing a valve:
 A. Shutoffthewaterlinerunningintotheunit.
 B. Drainapproximately½to¾gallonofwaterfromthetankbypressingonofthedispense  
  buttons.Thiswillinsurethatthewaterlevelisbelowthelevelofthevalves.Removethewiresand 
  watertubingfromthedefectivevalveandpullitfromthesiliconetting.
 C. Disconnectthepowercordorturnofftheunitatthetoggleswitchbehindtheunit.
 E. Beforeinstallingonthetank,makeaninitialadjustmentwiththevalveoffofthetank.
  1. Loosenthescrewonthemetalguard.Rotateawayfromtheadjustmentscrew(g.1.).
  2. Carefully,turnowadjustmentscrewclockwiseallthewayin(seegure2.).Observerestrictor 
   position.Donotovertighten.
  3. Nowturntheowadjustmentscrewcounterclockwisethree[3]turns(or1½turnsfromthefully 
   openposition).
  4. Replacethemetalguard.
  5. Installthevalveonthetank,attachingwiresandsiliconetube.Pressthevalvefullyintothe 
   ttingontheheatingtank.
II. Dump valve, water ow adjustment:
  TheWaterowispresettoensureoptimummixingandproperchamberrinsing.Thevalvescurrentlyinstalledonyourunithavebeenset
  atthefactoryandshouldnotrequireadjusting.Thefactoryowratesettingis8oz.ofwaterin10seconds(or0.8oz./sec.).
4
Figure 2. Restrictor Closed.
Dump Valve Replacement
Werecommendthatyouregulatethewaterowinthevalve ONLYwhenreplacingavalve.
Figure 1. Adjustment
WARNING: As with all electrical equipment, caution must be taken to avoid electrical shock. Be
sure the power cord is disconnected before removing components. The following steps will also
involve working near hot surfaces.
Beforemountingawhipperplate,placeadabof
foodgradelubricantintherearhole of the seal.
WhipperPlateReplacement
Shaftsealsshouldbereplacedwiththegrovedsidefacingoutward.
Replacing Film in Light Box
1.TurnOFFpowerbyunpluggingthepowercord.
2.Openthefrontdoorandremovethesixscrewsthatattachthelightbox.
3.Pulloffthelightboxassemblyfromthedoor.Detachatthehookatthetopofthelightbox(illustra-
tion,rightitem1).
4.Takeoutoldlm,unhookingitfromthebottomtabsandslidingitoutoftheframe.
5.Insertthenewlm,slideitintotheframeandhookitunderthetabstosecureit(seeillustration
below).
6.Returnthelightboxtothefrontdoor.Frominsidethedoor,insertthesixscrewsthatwereremoved
instep#2.
7.Closethefrontdoorandpluginthepowercord.Thelightboxshouldcomeon.
8.Checkthatthelmliesatandthereisnolightleakingfromtheedges.Ifokay,theCurtis
CAFEPCunitisreadytouse.
1
2