Model E157/E257/F257
Owner's Manual
Manual No. 513563 Jul. 2003, Rev. 2
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OWNER'S MANUAL
MODELS E157/E257/F257
SLUSH FREEZERS
This manual provides basic information about the freezer and its components. Instructions and
suggestions are given covering its basic operation and care.
The illustrations and specifications are not binding in detail. We reserve the right to make changes
atanytimewithoutnotice,tothefreezeranditscomponents,withoutincurringanyobligationtoequip
same on freezer components built prior to date of change.
DONOTATTEMPTtooperatethefreezeruntilinstructionsandsafetyprecautionsinthemanualare
read completely and thoroughly understood. The freezer should be operated by only qualified
personnel. If problems develop or arise in connection with installation, operation or servicing of the
freezer,contactyourlocalStoeltingDistributor.
Stoelting, LLC
502 Hwy. 67
Kiel, WI 53042-1600
Tele: 920-894-2293
Fax: 920-894-7029
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TABLE OF CONTENTS
SECTION 1 - INTRODUCTION ............................................................................................ 1
1.1 Description ...................................................................................................................... 1
1.2 Specifications .................................................................................................................. 1
SECTION 2 - INSTALLATION INSTRUCTIONS .................................................................. 3
2.1 Safety Precautions ........................................................................................................... 3
2.2 Shipment and Transit........................................................................................................ 3
2.3 Freezer Installation ........................................................................................................... 3
2.4 Adjusting Cup Dispensers ................................................................................................ 7
SECTION 3 - INITIAL SET-UP AND OPERATION ............................................................... 9
3.1 Operator's Safety Precautions .......................................................................................... 9
3.2 Operating Controls and Indicators .................................................................................... 9
3.3 Draining The Freezer For Disassembling and Cleaning.................................................... 10
3.4 Disassembly and Cleaning of Freezer Parts..................................................................... 10
3.5 Sanitizing The Freezers and Freezer Parts....................................................................... 15
3.6 Assembly of Freezer ........................................................................................................ 15
3.7 Mix Information ................................................................................................................. 17
3.8 Freeze Down and Operation ............................................................................................ 17
3.9 Dispensing Product.......................................................................................................... 17
3.10 Routine Cleaning ............................................................................................................ 17
3.11 Preventative Maintenance............................................................................................... 17
3.12 Extended Storage .......................................................................................................... 18
SECTION 4 - REPLACEMENT PARTS & REFERENCE DRAWINGS............................... 21
4.1 How to Order Decals and Tags ......................................................................................... 21
4.2 Exploded Views and Parts Lists (E157, E257, F257) ....................................................... 22
ADDENDUM - FILL-O-MATIC............................................................................................ 29
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LIST OF ILLUSTRATIONS
Figure
Title
Page
1
Model E157 - Front.........................................................................................................................
Model E157 - Side..........................................................................................................................
Model E257/F257 - Front ................................................................................................................
Model E257/F257 - Side .................................................................................................................
AdjustableLeg ...............................................................................................................................
Warning Label Locations - E157 .....................................................................................................
Warning Label Locations - E257/F257 ............................................................................................
Space & Ventilation Requirements .................................................................................................
Electrical Plug ................................................................................................................................
2
2
3
4
5
6
7
8
9
2
2
2
3
4
5
6
6
10 InstallingSani-trayandCover .........................................................................................................
11 AdjustingCupDispensers ..............................................................................................................
12 OperatingControls .........................................................................................................................
13 RemovingSani-trayandCover ........................................................................................................
14 DrainingProduct.............................................................................................................................
15 RemovingSpigotAssembly............................................................................................................
16 RemovingSpigotO-RingfromSpigotBody.....................................................................................
17 Cut-away View of Spigot Assembly ................................................................................................
18 RemovingDriveCapandO-Ring .....................................................................................................
19 RemovingSealerRing ....................................................................................................................
20 RemovingAgitatorAssemblyandLowerBushing ...........................................................................
21 RemovingDividerPlatefromAgitatorFingers .................................................................................
22 RemovingDriveShaft......................................................................................................................
23 Exploded View of Divider Plate and Agitator Assembly ...................................................................
24 LubricatingDriveShaft ....................................................................................................................
25 Installing Divider Plate and Agitator Assembly ................................................................................
26 ProperInstallationofSealerRing....................................................................................................
27 Correct and Incorrect Alignment of Vertical Center Post Guide Hole ...............................................
28 External Parts To Be Cleaned ........................................................................................................
6
7
9
11
11
12
12
12
13
13
13
14
14
14
15
16
16
16
19
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SECTION 1
INTRODUCTION
1.1DESCRIPTION
Models E157/E257F257 freezers are gravity fed. The Thismanualisdesignedtoassistqualifiedserviceperson-
freezers are equipped with fully automatic controls to nelandoperatorsintheinstallation,operationandmainte-
provide a uniform product. The freezers are designed to nance of the Models E157/E257/F257 freezers.
operatewithmostneutralbasesandconcentratedflavors.
1.2SPECIFICATIONS
E157 COUNTER
E257 FLOOR
F257 FLOOR
MODEL FREEZER
MODEL FREEZER
MODEL FREEZER
width: 15" (38.1 cm)
depth: 29.5" (74.8 cm)
height: 34.75" (88.3 cm)
width: 15" (38.1 cm)
depth: 19.25" (48.9 cm)
height: 61.38" (156 cm)
width: 15" (38.1 cm)
depth: 19.25" (48.9 cm)
height: 61.38" (156 cm)
DIMENSIONS
130 lbs. (58.9 kg)
140 lbs. (63.5 kg)
140 lbs. (63.5 kg)
WEIGHT
1 Phase, 115 VAC*
1/12 HP Drive Motor
1 Phase, 115 VAC*
1/12 HP Drive Motor
1 Phase, 115 VAC*
1/12 HP Drive Motor
ELECTRICAL
2500 BTUH**
(frozen product output)
2500 BTUH**
(frozen product output)
5200 BTUH**
(frozen product output)
COMPRESSOR
- Approx. 11 total running
amps.
- Approx. 11 total running
amps.
- Approx. 9 total running
amps.
-
-
-
Use 15 Amp circuit breaker
Use 15 Amp circuit breaker
Use 15 Amp cirucit breaker
Air cooled requires minimum Requires unobstructed front Requires unobstructed front
3" (7.6 cm) air clearance on and 6" minimum (15.2 cm) and 6" minimum (15.2 cm)
sides and 1" (2.5 cm) at rear clearance at back of unit. No clearance at back of unit. No
COOLING
HOPPER
of unit.
clearance needed on side of clearance needed on side of
unit.
unit.
10 gallons (37.9 liters)
10 gallons (37.9 liters)
10 gallons (37.9 liters)
* A transformer is required if voltage is over 126.5 volts or under 103 volts.
** Under normal operating conditions.
1
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Figure 2
Figure 1
Model E157 - Side
Model E157 - Front
Figure 4
Figure 3
Model E257/F257 - Side
Model E257/F257 - Front
NOTE: Figures in parenthesis are in centimeters.
2
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SECTION 2
INSTALLATION INSTRUCTIONS
2.1SAFETYPRECAUTIONS
NOTE
Do not attempt to operate the freezer until the safety Accurate leveling is necessary for correct
precautions and operating instructions in this manual are drainage of freezer barrel and to insure proper
readandcompletelyunderstood.
operation.
Take notice of all warning labels on the freezer (Figures 6 C. The counter model freezer must be placed on a solid
&7). Thelabelshavebeenputtheretohelpmaintainasafe
working environment. The labels have been designed to
withstand washing and cleaning. All labels must remain
legibleforthelifeofthefreezer. Labelsshouldbechecked
periodicallytobesuretheycanberecognizedaswarning
labels.
levelsurface. Placetherubberpadfurnishedunderthe
freezer to create a seal to that surface. The counter
model freezer is air-cooled and discharges at the top.
AL LOUVERED PANELS MUST have 3" of clearance
on sides of unit, 10" of clearance at the top, and 1"
clearance at rear of unit for proper cooling.
If danger, warning, or caution labels are needed, indicate
the part number, type of label, location of label, and
quantityrequiredalongwithyouraddressandadviseyour
distributor.
2.2SHIPMENTANDTRANSIT
The freezer has been assembled, operated and
inspected at the factory. Upon arrival at the final destina-
tion, the complete freezer must be checked for any
damage which may have occurred during transit.
With the method of packaging used, the freezer should
arrive in excellent condition. THE CARRIER IS
RESPONSIBLE FOR ALL DAMAGE IN TRANSIT,
WHETHERVISIBLEORCONCEALED.
Do not pay the freight bill until the freezer has been
checked for damage. Have the carrier note any visible
damage on the freight bill. If concealed damage and/or
shortage is found later, advise the carrier within 10 days
and request inspection. The customer must place claim
fordamagesand/orshortagesinshipmentwiththecarrier.
Figure 5
Adjustable Leg
2.3FREEZERINSTALLATION
Installationofthefreezerinvolvesmovingthefreezerclose
to its permanent location, removing all crating, setting in
place, assembling parts, and cleaning.
A. Uncratethefreezer.
B. The floor model freezers must be placed in a
solidlevelposition.Tolevelthefreezer,turnthebottom
part of each leg in or out. Place a level on top of the
hopper,withthecoverremoved,tocheckwhetherornot
the freezer is level (Fig. 5).
3
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IMPORTANTNOTICETOOPERATOR
BEFOREINSTALLINGEQUIPMENT,READTHEOWNER'SMANUALCAREFULLY.TAKENOTEOFALLINSTRUCTIONSANDCAUTION
DECALSONTHISEQUIPMENT.
GOOVERTHEMANUALTHOROUGHLYANDPOINTOUTALLDECALSTOYOUREMPLOYEES,SOTHEYUNDERSTANDHOWTOSAFELY
OPERATETHISEQUIPMENT.
DONOTREMOVE, DEFACE, ORPAINTOVERANYDECALS. THEYARETHEREFORYOURSAFETY.
CAUTION
THIS DEVICE MUST BE PLUGGED INTO
A GROUNDED RECEPTACLE TO
PREVENT SHOCK HAZARD.
324113
„
„
(BehindSani-tray)
(BehindSani-tray)
DANGER
CAUTION
ELECTRONIC SHOCK HAZARD
HAZARDOUS MOVING PARTS
DISCONNECT FROM THE SOUCE OF
DO NOT OPERATE UNIT WITH OUTER
ELECTRICAL SUPPLY IN BUILDING
COVERING REMOVED.
BEFORE SERICING UNIT
S24107
321105
CAUTION
THIS DEVICE MUST BE PLUGGED INTO A PROPERLY GROUNDED
RECEPTACLE TO PREVENT ELECTRICAL SHOCK HAZARD.
TAMPERING WITH THE PLUG OR USING VOLTAGES OTHER THAN
THE SPECIFICATIONS ON I.D. PLATE WILL VOID YOUR WARRANTY.
REFER TO OWNER'S MANUAL FOR INSTALLATION
INSTRUCTIONS.
723529
Figure 6
Warning Label Locations - E157
4
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IMPORTANTNOTICETOOPERATOR
BEFOREINSTALLINGEQUIPMENT,READTHEOWNER'SMANUALCAREFULLY.TAKENOTEOFALLINSTRUCTIONSANDCAUTION
DECALSONTHISEQUIPMENT.
GOOVERTHEMANUALTHOROUGHLYANDPOINTOUTALLDECALSTOYOUREMPLOYEES,SOTHEYUNDERSTANDHOWTOSAFELY
OPERATETHISEQUIPMENT.
DONOTREMOVE, DEFACE, ORPAINTOVERANYDECALS. THEYARETHEREFORYOURSAFETY.
(Affixedtocondensershroud)
CAUTION
HAZARDOUS MOVING PARTS
DO NOT OPERATE UNIT WITH OUTER
COVERING REMOVED
324107
CAUTION
A GROUNDED RECEPTACLE TO
PREVENT SHOCK HAZARD.
„
THIS DEVICE MUST BE PLUGGED INTO
(Affixedtocondensershroud)
„
324113
DANGER
ELECTRONIC SHOCK HAZARD
DISCONNECT FROM THE SOUCE OF
ELECTRICAL SUPPLY IN BUILDING
BEFORE SERICING UNIT
321105
CAUTION
THIS DEVICE MUST BE PLUGGED INTO A PROPERLY
GROUNDED RECEPTACLE TO PREVENT ELECTRICAL
SHOCK HAZARD.
TAMPERING WITH THE PLUG OR USING VOLTAGES OTHER
THAN THE SPECIFICATIONS ON I.D. PLATE WILL VOID
YOUR WARRANTY.
REFER TO OWNER'S MANUAL FOR INSTALLATION
INSTRUCTIONS.
723529
Figure 7
Warning Label Locations - E257/F257
5
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D. Thefloormodelfreezersareequippedwithair-cooled
CAUTION
condensersandrequirecorrectventilation.Thefrontof DO NOT ALTER OR DEFORM PLUG IN ANY WAY!
the freezer is the air intake and must be unobstructed.
Airdischargesoutoftherearoftheunit. Donotobstruct
the discharge. Allow a 6" (15.2 cm) clearance behind
the unit (Fig. 8).
CAUTION
FAILURETOPROVIDEADEQUATEVENTILATIONWILL
VOIDWARRANTY!
Figure 9
Electrical Plug
G. Install the drip tray support, drip tray, drip tray grid,
coverandmiscellaneouspartsonthefreezer.(Fig.10)
Figure 8
Space and Ventilation Requirements
E. Place the ON-OFF-STIR ONLY toggle switch in the
OFF position. Thisswitchislocatedonthelowerleftof
the freezer, under the drip tray and cover.
F. Connect the power cord. The plug is designed for 115
volt/15 amp duty. The unit must be connected to a
properly grounded receptacle. The electrical cord
furnished as part of the freezer has a three prong
grounding type plug (Fig.9). The use of an extension
cordisnotrecommended. Ifonemustbeused,useone
withawire,size12gaugeorheavier,withaground. Do
not use an adaptor to avoid grounding equipment.
Figure 10
Installing Drip Tray and Cover
6
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2.4ADJUSTINGCUPDISPENSERS
To adjust the cup dispensers, install the size cup desired
intothedispenserandturnthewingnutsonthedispenser
mountingbracketuntilenoughtensionisappliedtotherim
ofthecuptokeepitfromdroppingout(Fig.11). Donotover-
tighten the wing nuts.
WINGNUTS
Figure 11
AdjustingCupDispensers
7
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8
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SECTION 3
INITIAL SET-UP AND OPERATION
3.1OPERATOR'SSAFETYPRECAUTIONS
A.Knowthefreezer. ReadandunderstandtheOperating
Instructions.
G. Do not operate under unsafe operating conditions.
Neveroperatethefreezerifunusualorexcessive
noise or vibration occurs.
B. Notice all warning labels on the freezer.
3.2OPERATINGCONTROLSANDINDICATORS
Beforeoperatingthefreezer,itisrequiredthattheoperator
knowthefunctionofeachoperatingcontrolandindicator.
RefertoFigure12forthelocationsoftheoperatingcontrols
and indicators.
C. Wear proper clothing. Avoid loose fitting garments,
and remove watches, rings or jewelry which could
cause a serious accident.
D. Maintain a clean work area. Avoid accidents by
cleaning up the area and keeping it clean.
WARNING
THE STIRRING ONLY-OFF-STIRRING & FREEZING
SWITCH MUST BE PLACED IN THE OFF POSITION
WHENDISASSEMBLINGFORCLEANINGORSERVIC-
ING. THEFREEZERMUSTBEDISCONNECTEDFROM
ELECTRICALSUPPLYBEFOREREMOVINGANYAC-
CESSPANELS. ONLYAQUALIFIEDSERVICETECH-
NICIANMAYREMOVEACCESSPANELS.
E. Stay alert at all times. Know which switch, push-
button or control you are about to use and what
effect it is going to have.
F. Disconnectelectricalcordformaintenance. Never
attempt to repair or perform maintenance on the
freezer until the main electrical power has been
disconnected.
RESET
SWITCH
STIRRING ONLY-OFF-
STIRRING & FREEZING
TOGGLESWITCH
HIGHPRESSUREMANUAL
RESETSWITCH
24-HOURTIMER
Figure 12
OperatingControls
9
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A. STIRRINGONLY-OFF-STIRRING&FREEZING
SWITCH
E. SPIGOTASSEMBLY
Dispensing of frozen mix is done by the SPIGOT
ASSEMBLY. By pulling the spigot plunger out, mix
in the form of ice crystals is dispensed through the
port on the bottom of the SPIGOT ASSEMBLY. To
stop dispensing, push the spigot plunger in.
TheSTIRRINGONLY-OFF-STIRRING&FREEZ-
ING switch is a three-position toggle switch used to
control the operation of the refrigeration system and
agitator. When the switch is placed in the STIR-
RING ONLY position, the refrigeration system will
be off and the agitator will rotate for cleaning, or if
stirring is required when the store is closed. When the
switch is placed in the OFF position, the refrigeration
system and agitator will be off. The switch should be
placed in the STIRRING & FREEZING position for
normaloperation.
F. FLAVORBOTTLES
The FLAVOR BOTTLES are operated by a spring
loaded, push-button pump. By pushing down, 1/4
ounce (7.39 ml) of flavor is dispensed.
3.3DRAININGTHEFREEZERFORDISASSEMBLING
AND CLEANING
B. RESET SWITCH
After installation and initial set-up, the freezer exterior
The reset switch is a two-position breaker switch. This must be cleaned and the freezer parts must be disas-
switch is used to protect the freezer from mechanical sembled, cleaned and sanitized. Cleaning and sanitizing
damage. The switch must be in the NORMAL MUSTbedonebeforetheinitialfreezedownandoperation.
OPERATINGPOSITION(up)beforethefreezerwill
operate.
Subsequentcleaningandsanitizing, afterthefreezerhas
been operated and product has been dispensed, will
require the freezer to be completely drained of all unused
mix.Performthefollowingstepstodrainthefreezerofany
unused mix:
Any time a condition occurs which causes the
agitator drive motor to draw excessive current, the
reset switch will automatically switch to the
OVERLOADCUT-OUTFREEZERNOTOPERAT-
ING position. This will shut down the freezing and
agitation action of the freezer to protect the agitator
drivemotorfromburningout.
A.SettheSTIRRINGONLY-OFF-STIRRING&
FREEZING switch to the STIRRING ONLY position
well in advance of cleaning and sanitizing to assure
complete defrosting and draining of the product
cylinder.
Should the reset switch ever trip out, move
theSTIRRINGONLY-OFF-STIRRING&FREEZ-
ING toggle switch to the STIRRING ONLY position.
Then move the reset switch back to NORMAL
OPERATINGPOSITION(up)andallowthefreezer
to stir, without refrigeration, for five minutes. After
fiveminutesofstirring, return theSTIRRING
ONLY-OFF-STIRRING&FREEZINGswitchtothe
STIRRING&FREEZINGposition.
B. While the freezer is in the STIRRING ONLY mode,
removetheunusedflavoringfromtheflavorbottles.
All unused flavoring should be poured into the
containers from which they came.
C. Remove the Sani-tray and cover by gently pushing
up to disengage from the support pins and pulling
out and down (Fig. 13).
C. 24HOURTIMER
To program the timer, rotate program disc in the
direction of the arrows to align the correct day/time
with the time of day mark. Then pull out for Off time
or push in for On time. Each actuator is equivalent
to 15 minutes time. Check for AM/PM centered
between12and12onrotatingdisc.Ata6:00settingthe
indicator will point to AM or PM.
D. With a bucket placed below the drain spigot, pull the
spigot to dispense (Fig. 14).
E. When liquid product is completely drained, empty
the bucket into the sink. Any remaining ice can be
removedbycirculatingwarmwaterthroughbarrel.
3.4DISASSEMBLYANDCLEANINGOFFREEZER
D. HIGHPRESSUREMANUALRESETSWITCH
TheHIGHPRESSUREMANUALRESETSWITCHisa
PARTS
CAUTION
safetyswitchdesignedtoprotectthecompressorfrom PLACETHEON-OFF-STIRONLYSWITCHINTHEOFF
damageduetoexcessiveheadpressure.Whentripped, POSITION AND DISCONNECT THE FREEZER FROM
the lever will be out; push to reset.
ELECTRICALSUPPLYSOURCEBEFORESERVICING
ORCLEANING.
10
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Inspectionforwornorbrokenpartsshouldbemadeduring
every disassembly of the freezer for cleaning or other
purposes. All worn or broken parts should be replaced to
ensure safety to both the operator and the customer, and
tomaintaingoodfreezerperformanceaswellasaquality
product.
NOTE
FrequencyofcleaningMUSTcomplywithlocalhealth
regulations.
The exterior of the freezer must be kept clean at all times
topreservethelusterofthestainlesssteel. Amildalkaline
cleanser is recommended. Use a soft cloth or sponge to
apply the cleanser.
NOTE
Donotuseacidcleaners, strongcausticcompounds
orabrasivematerialstocleananyplasticorstainless
steel parts of the freezer exterior.
A. Remove the dispensers from the side of the freezer
by pulling straight up. Clean the cup dispensers
and dispenser lids with a mild alkaline cleanser and
soft cloth or sponge.
Figure 13
Removing Drip Tray and Cover
B. Removethedriptraysupport,driptrayanddriptraygrid
by lifting up and out. Clean the drip tray parts in the
same manner as the cup dispenser.
C. Removethetwo-piececoverandmixlevelprobe
assembly and clean.
D. Remove the flavor pumps from the bottles and
pump warm soapy water through them. Then clean
the bottles and pumps normally.
E. To remove the upper and lower spigot assemblies,
remove the retaining clip and pull the spigot assem-
blies straight out of the product outlet (Fig.15).
Figure 14
Draining Product
11
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È
È
Figure 16
Figure 15
RemovingSpigotAssembly
Removing Spigot O-Ring from Spigot body
O-RING
#624607
SPRING
#694400
KNOB
#482024
SPLASHDEFLECTOR*
#1120918
SHAFT & PLUG
ASSEMBLY
#1147688
RETAINERCAP
#232002
*Note: End of splash deflector
with larger opening faces the
spring.
Figure 17
Cut-away View of Spigot Assembly
12
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1. Withaclean, drytowel, wipeexcesslubricantfromthe
spigot assembly and o-ring. Firmly grasp the spigot
assembly with both hands and squeeze the o-ring
upward (Fig 16). When a loop is formed, roll the o-ring
outofthegroovetowardtheendofthespigotassembly.
(See Fig.17foracutawayviewofthespigotassembly.)
CAUTION
DO NOT USE ANY TYPE OF SHARP OBJECT TO
REMOVEANYO-RINGS.
2. Place all loose parts in a pan or container and take
themtothewashsink,filledwithwarm,soapywater,for
cleaning.
3. Wash the product outlet with warm soapy water
usingthebrushprovided.
Figure 19
Removing Sealer Ring
G. For removal and disassembly of the divider plate
and agitator assembly, refer to the following steps:
3. Toremovethedividerplateandagitatorassembly,the
divider plate must be first rotated counterclockwise to
unlock and lift out of the product cylinder.
WARNING
PLACETHEON-OFF-STIRONLYSWITCHINTHEOFF
POSITIONANDDISCONNECTTHEFREEZER
FROMELECTRICALSUPPLYSOURCE.
4. Once the divider plate and agitator assembly are
lifted off the vertical product cylinder center post and
out of the product cylinder, remove the divider plate
assembly and anti-lift disc. Remove the plastic
agitator bushing from the bottom of the product
cylinder center post by lifting up and out of the
product cylinder (Fig. 20). - Refer to Figure 23 for an
explodedview.
1. Remove the drive cap and O-ring from the agitator
tube(Fig.18).
Figure 18
Removing Drive Cap and O-Ring
2. Remove the sealer ring by squeezing the looped
section and lifting out of the product cylinder (Fig. 19).
Figure 20
Removing Agitator Assembly and Lower Bushing
13
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5. Unscrew the divider plate from the agitator fingers
andremove(Fig.21).
Figure 21
Removing Divider Plate from Agitator Fingers
6. Remove the drive shaft by pulling straight up and
out of the vertical center post (Fig.22).
Figure 23
Exploded View of Divider Plate and Agitator
Assembly
7. Place all loose parts in a pan or container and take
them to the wash sink, filled with warm, soapy
water,forcleaning.
CAUTION
DONOTDAMAGEPARTSBYDROPPINGORROUGH
HANDLING.
NOTE
Do not attempt to wash the inside of the vertical
product cylinder center post.
8. Wash the inside of the product cylinder with warm,
soapy water, using the brush provided.
Figure 22
Removing Drive Shaft
14
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3.5 SANITIZINGTHEFREEZERANDFREEZER
PARTS
Whensanitizingthefreezer,refertolocalsanitaryregula-
tionsforapplicablecodesandrecommendeddisinfecting
After the freezer parts have been soaked and washed in products and procedures. The frequency of sanitizing
warm, soapy water, they should be rinsed thoroughly in must comply with local health regulations.
clean water.
CAUTION
All parts must be sanitized before assembling with a PROLONGED CONTACT OF SANITIZING SOLUTION
USDAcertifiedfoodgradesanitizingsolution(50partsper WITHFREEZERMAYCAUSECORROSIONOFSTAIN-
million of free available chlorine or equivalent is accept- LESS STEEL PARTS.
able).
3.6 ASSEMBLYOFFREEZER
A. Mix a sanitizing solution of 50 parts per million to
sanitize all loose parts before assembling.
To assemble the freezer and freezer parts, refer to the
followingsteps:
B. Place all loose parts in this solution, then remove
and let air dry.
NOTE
Petro-Gel sanitary lubricant or equivalent must be
used when lubrication of parts is specified.
C. Using this sanitizing solution and the brushes pro-
vided, sanitize the product cylinder and product
outlet by dipping the brush in the sanitizing solution
and scrubbing these areas.
The United States Department of Agriculture and the
FoodandDrugAdministrationrequirethatlubricants
used on food processing equipment be certified for
this use. Use lubricants only in accordance with
D.Afterassemblingthefreezer(Section3.6),mixapprox- manufacturersinstructions.
imately3gallons (11.3liters)ofsanitizingsolutionand
pour into the product cylinder. Brush the walls of the
cylinderabovethedividerplate,withbrushesprovided
to sanitize this reservoir area.
A. Assemble the divider plate and agitator
assembly as follows:
1. Before installing the drive shaft, lubricate the
bottom with Petro-Gel or any other type of sanitary
lubricant. Enough lubricant must be applied to
create approximately a 1/8 inch bulge at the bottom
of the drive shaft (Fig.24).
E.SettheSTIRRINGONLY-OFF-STIRRING&
FREEZING switch in the STIRRING ONLY position
and allow to stir for five minutes. Drain the solution
in the same manner as draining the product.
F. Pour approximately one pint (1/2 liter) of mixed
neutralbaseintotheproductcylinder.Waitoneminute,
then drain the neutral base and remaining sanitizing
solution through the drain spigot.
Sanitizingmustbedoneafterthefreezeriscleanandjust
before the product cylinder is filled with mixed neutral
base. Sanitizingthenightbeforeisnoteffective. However,
you should always clean the freezer and parts after use.
WARNING
THE UNITED STATES DEPARTMENT OF
AGRICULTUREANDTHEFOODANDDRUGADMINIS-
TRATIONREQUIRETHATALLCLEANINGANDSANI-
TIZINGSOLUTIONSUSEDWITHFOODPROCESSING
EQUIPMENTBECERTIFIEDFORTHISUSE.
PETRO-GEL
Figure 24. Lubricating Drive Shaft
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2. Install the drive shaft into the center post by
rotating and pressing down lightly on the shaft until
the shaft drops down and engages with the gear
box shaft.
BACK
3. Replace the plastic lower bushing to the bottom of
the vertical center post.
4. Assemble the divider plate to the stationary fingers.
5. Assemble the anti-lift disc onto the agitator
(See Fig.23).
6. Slide the divider plate down from the top of the
agitator tube, until it is seated properly, allowing the
agitatorfingersclearanceforrotation.
7. Assemble the divider plate and agitator assembly
onto the vertical center post, making sure the
indicator arrow on the divider plate is in position to
line up with the upper spigot. Grasp the agitator
tube and slide the assembly down the vertical
center post and lock (Fig. 25).
Figure 26
Proper Installation of Sealer Ring
9. Roll the agitator tube "O"-Ring completely down
the agitator tube until it seals tightly to the divider
plate.
10. Rotatetheagitatortubeclockwiseuntiltheguidehole
at the top of the agitator tube forms a complete circle
with the hole at the top of the vertical center post
(Fig.27).
Figure 25
Installing Divider Plate and Agitator Assembly
Figure 27
Correct and Incorrect Alignment
of Vertical Center Post Guide Hole
8. Install the sealer ring by squeezing the looped
section and sliding down into the product cylinder.
NOTE
11. Assemblethedrivecapontotheagitatortube,aligning
the guide pin in the drive cap with the guide hole in
the vertical center post and pressing down.
For proper operation of the freezer, the looped
section of the sealer ring MUST be positioned to the
back of the product cylinder (Fig.26).
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B. Assemble O-rings onto the spigot plungers
without lubricant. Then apply a thin film of
sanitary lubricant to the exposed surfaces of the
O-rings.
container back into the product cylinder.
3.8 FREEZEDOWNANDOPERATION
A. With mixed neutral base in the product cylinder,
start the freezing process by setting the STIRRING
ONLY-OFF-STIRRING&FREEZINGswitchinthe
STIRRING&FREEZINGposition.
1. Insert the spigot assembly into the product outlet.
2. Slide the spigot retaining clip into position.
C. Assemble the flavor bottles as follows:
1. Replace the bottles in the flavor rack.
D. Install sani-tray and cover.
B. Although servable product can be obtained after the
freezer has been run for 1 hour, the best quality ice
crystals will develop after the freezer has been
runningforseveralmorehours.
3.9 DISPENSINGPRODUCT
Todispenseproductcorrectly,refertothefollowingsteps:
E. Replace the cup dispensers on the side of the
freezer by positioning the bracket on the dispenser
abovethebracketonthesideofthefreezerandsliding
down.
A. Select the desired cup size.
B. Dispense flavor concentrate into the cup first, by
pushing the flavor pump down. Use one squirt of
flavor for small cups, two squirts for medium cups and
three squirts for large cups.
3.7 MIX INFORMATION
It is essential to follow the mixing instructions on the
neutral base container carefully. The concentration of
ingredients in the product, which determines the "Brix" C. Place cup under and against the spigot.
(sugar level), is very important to the operation of the
freezer and the quality of the drink. When the proper D. Pull the spigot out.
amountofneutralbaseismixedwiththeproperamountof
water,themixtureshouldhavea"Brix"readingbetween11 E. Fill the cup. The gravity flow from the spigot will
and13.
automatically mix the flavor concentrate with the
neutral base mixture as it is dispensed.
CAUTION
DONOTPOURTHEINDIVIDUALINGREDIENTS (WA-
TERORNEUTRALBASE)DIRECTLYINTOTHEFREEZER F. When the cup is full, push the spigot in.
ANDDEPENDONTHEAGITATORTODOTHEMIXING.
THIS DOES NOT PROVIDE FOR ADEQUATE MIXING 3.10 ROUTINECLEANING
ANDMAYCAUSEDAMAGETOTHEFREEZER.
To remove spilled or dried mix from the freezer exterior,
simply wash in the direction of the finish with warm soapy
wateroramildalkalinecleanserandasoftclothorsponge.
Donotuseabrasivematerialsastheywillmarthefinishof
Refer to the following steps for filling the freezer:
A. Follow instructions on neutral base containers to mix thefreezer.
neutral base with water. Then pour into the freezer.
RefertoFigure28forallexternalpartsofthefreezertobe
cleaned.
B. The product cylinder has a 10 gallon capacity, when
filled approximately 1" (2.54 cm) from the top of the
cylinder. When filling the cylinder, it is necessary to
remove all trapped air from below the divider plate.
3.11 PREVENTATIVEMAINTENANCE
Itisrecommendedthatthefollowingmaintenancesched-
ule be followed to keep the freezer clean and operating
Fill the product cylinder with mix to within 1" (2.54 cm) properly.
from the top. Place a sanitary container under the
servingspigotanddispensesmallamountsofliquidby
CAUTION
pullingoutandpushinginthespigotinaseriesofshort NEVERATTEMPTTOREPAIRORPERFORMMAINTE-
bursts. Eachtimethespigotisclosed, bubbleswillrise NANCEONTHEFREEZERUNTILTHEMAINELECTRI-
to the top of the liquid in the product cylinder. When no CALPOWERHASBEENDISCONNECTED.
morebubbles rise to the top, the air trapped under the
dividerplatehasbeenremoved.Pourthecontentsofthe
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A. DAILY
3.12 EXTENDEDSTORAGE
1. The exterior should be kept clean at all times to
preserve the lustre of the stainless steel. A mild
alkaline cleanser is recommended. Use a soft
cloth or sponge to apply the cleanser.
Refertothefollowingstepsforstorageofthefreezerover
any long period of time:
A. PlacetheSTIRRINGONLY-OFF-STIRRING&
FREEZING switch in the OFF position.
CAUTION
DO NOT USE ACID CLEANERS, STRONG CAUSTIC B. Disconnect (unplug) the freezer from the electrical
COMPOUNDSORABRASIVEMATERIALSTOCLEAN
ANYPARTOFTHEFREEZEREXTERIORORPLASTIC
PARTS.
supply source.
C. With a warm detergent solution, thoroughly clean all
parts that come in contact with neutral base mix or
flavors. Rinse in clear water and dry all parts. Do not
sanitize.
2. Clean the sani-tray by lifting up,out,and rinsing and
replacing.
B.WEEKLY
NOTE
1. Check all "O" Rings for excessive wear and replace if Do not let cleaning solution or products stand in the
necessary.
product cylinder during shutdown period.
C. MONTHLY
D. Remove, disassemble and clean the spigot assem-
blies and lower bushing. Place these parts in a
plastic bag with a moist paper towel to prevent them
frombecomingbrittle.
CAUTION
THEFREEZERHASANAIRCOOLEDCONDENSERAND
MUSTHAVEPROPERAIRCIRCULATION.
DO NOT PLACE THE E257 FLOOR MODEL FREEZER
ANY CLOSER THAN SIX (6) INCHES (15.2 CM) FROM
THE WALL.
THECOUNTERMODELFREEZERREQUIRESA3"(7.6
CM)CLEARANCEONTHESIDES,A1"(2.5CM)CLEAR-
ANCEATTHEREAR,ANDA10"(25.4CM)CLEARANCE
AT THE TOP.
FAILURE TO CLEAN THE CONDENSER FILTER MAY
RESULTINSERIOUSFREEZERDAMAGEANDCOULD
VOIDTHEWARRANTY.
CONDENSERCLEANING
1. For the floor models, remove the sani-tray and
insert. Remove the two phillips head screws from
the lower front panel and pull panel down and out.
Blow the dirt out from the opposite side of the
condenser using an air tank, CO2 tank, or vacuum.
2. For the counter model, remove the six phillips head
screws from the back panel. Then clean the con-
denserusingthesamemethodasonthefloormodel.
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CUPDISPENSERSANDLIDS
COVERS
LIQUIDLEVELINDICATOR
FLAVORBOTTLES
DRIPTRAYSUPPORT,DRIP
TRAY,DRIPTRAYGRID
ALL PANELS
Figure 28
External Parts To Be Cleaned
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SECTION 4
REPLACEMENT PARTS AND REFERENCE DRAWINGS
4.1 HOW TO ORDER DECALS AND TAGS
To assure receipt of the proper warning decals, supply your dealer or distributor with the following information:
A. Model number of equipment.
B. Serial number of model, stamped on nameplate.
C. Part number, decal description and quantity needed. Common warning decal names and numbers are
listed below.
DECALS AND TAGS FOR
MODELS E157/E257/F257
PART NUMBER DESCRIPTION
324105
324107
324113
324135
324200
324393
324548
324585
324649
723516
723526
723529
723537
DECAL CAUTION: ELECTRIC SHOCK
DECAL CAUTION: MOVING PARTS
DECAL CAUTION: GROUNDED PLUG
DECAL TOGGLE & SAFETY SWITCH
DECAL MANUAL RESET
DECAL STOELTING SWIRL
DECAL ADEQUATE VENTILATION - E257/F257 Floor Model
DECAL REFRIGERATION CHARGE
DECAL ADEQUATE VENTILATION - E157 - Counter Model
TAG ATTN: SET TIMER
TAG READ MANUAL
TAG CAUTION
TAG SANITARY CLEAN
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4.2 Explosed Views and Parts Lists
Model E157 Exploded View
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Model E157 Parts List
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Model E257 Exploded View
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Model E257 Parts List
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Model F257 Exploded View
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Model F257 Parts List
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ADDENDUM
FILL-O-MATIC
The Fill-O-Matic is a transfer pump designed to keep the
freezer full of product.
3. Slide the impeller on the shaft and securely
tighten the square head screw on the flat of the
shaft.
A. Pump Hose Removal
4. Connect the pump hose to the stainless steel
and plastic fittings (see Figure 1 for proper con-
nection).
WARNING
DISCONNECT THE FREEZER FROM ELECTRI-
CAL SUPPLY SOURCE BEFORE SERVICING!
5. Replace the back panel and the two phillips head
1. Remove the two phillips head screws from the
rear panel and pull the rear panel down and out.
PUMP
s
SWITCH
2. Disconnect the pump hose at the stainless steel
and plastic fittings.
White
Black
White
Black
LIQUID LEVEL
CONTROL
3. Loosen the square head screw on the impeller
and slide the impeller off the shaft.
ToProbes
PUMP
High-Black
Ground
Low-White
Black
Black
4. Remove the three slotted head screws and lock
washers from the pump head and remove the
pump head in one piece. (Fig. 1)
Three Screws
Stir Off /On
Switch
Figure 2. Electrical Wiring
C. Impeller Replacement
WARNING
DISCONNECT THE FREEZER FROM ELECTRI-
CAL SUPPLY SOURCE BEFORE SERVICING!
1. Remove the two phillips head screws from the
rear panel and pull the rear panel down and out.
2. Loosen the square head screw on the impeller
and slide the impeller off the shaft.
3. Slide the replacement impeller on the shaft and
securelytightenthesquareheadscrewontheflat
of the shaft.
Figure 1. Fill-O-Matic Pump Hose Replacement
4. Replace the back panel and the two phillips head
screws.
Impeller
5. Separate the two halves of the pump head and
remove the hose.
6. Thoroughly clean the pump head in warm, soapy
water.
B. Pump Hose Replacement
1. Assemble the two halves together and install the
three slotted head screws and washers through
the pump head. Install the pump head on the
Fill-O-Matic pump bracket with the hose inlet and
outlet near the top and tighten the three screws.
Then, loosen the three screws three turns each.
2. Lubricate the pump hose with liquid detergent or
petrogel. Start the rib of the hose in the slot of
the pump head and push through. Tighten the
three screws securely.
Figure 3. Impeller
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WARRANTY
MIX TRANSFER PUMPS / COCKTAIL / SLUSH
1. Scope:
Stoelting LLC warrants to the first user (the “Buyer”) that the evaporator assembly and compressor (if applicable)
of Stoelting mix transfer pump, cocktail and slush equipment will be free from defects in materials and workman-
ship under normal use and proper maintenance appearing within five (5) years (two (2) years for “Mirage” equip-
ment), and that all other components of such equipment manufactured by Stoelting will be free from defects in
material and workmanship under normal use and proper maintenance appearing within twelve (12) months after
the date that such equipment is originally installed.
2. Disclaimer of Other Warranties:
THIS WARRANTY IS EXCLUSIVE; AND STOELTING HEREBY DISCLAIMS ANY IM-
PLIED WARRANTY OFMERCHANTABILITYOR FITNESS FOR PARTICULAR PURPOSE.
3. Remedies:
Stoelting’s sole obligations, and Buyer’s sole remedies, for any breach of this warranty shall be the repair or (at
Stoelting’s option) replacement of the affected component at Stoelting’s plant in Kiel, Wisconsin, or (again, at
Stoelting’s option) refund of the purchase price of the affected equipment, and, during the first ninety (90) days of
the warranty period, deinstallation/reinstallation of the affected component from/into the equipment. Those obliga-
tions/remedies are subject to the conditions that Buyer (a) signs and returns to Stoelting, upon installation, the
Warranty Registration Card for the affected equipment, (b) gives Stoelting prompt written notice of any claimed
breach of warranty within the applicable warranty period, and (c) delivers the affected equipment to Stoelting or its
designated service location, in its original packaging/crating, also within that period. Buyer shall bear the cost and
risk of shipping to and from Stoelting’s plant or designated service location.
4. Extensions:
The warranty period for deinstallation/reinstallation of the affected component from/into the equipment is extended
to twelve (12) months on the following models: SO218, SO318, SO328. The warranty period for the drive motor
to be free of defects in materials and workmanship extended to five (5) years on the following models: SO218,
SO318, SO328.
5. Exclusions and Limitations:
This warranty does not extend to parts, sometimes called “wear parts”, which are generally expected to deteriorate
and to require replacement as equipment is used, including as examples but not intended to be limited to o-rings,
hoses, seals and drive belts. All such parts are sold
AS IS.
Further, Stoelting shall not be responsible to provide any remedy under this warranty with respect to any compo-
nent that fails by reason of negligence, abnormal use, misuse or abuse, use with parts or equipment not manufac-
tured or supplied by Stoelting, or damage in transit.
THE REMEDIES SET FORTH IN THIS WARRANTY SHALL BE THE SOLE LIABILITY
STOELTING AND THE EXCLUSIVE REMEDY OF BUYER WITH RESPECT TO EQUIP-
MENT SUPPLIED BY STOELTING; AND IN NO EVENT SHALL STOELTING BE LIABLE
FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, WHETHER FOR BREACH
OF WARRANTY OR OTHER CONTRACT BREACH, NEGLIGENCE OR OTHER TORT,
OR ON ANY STRICT LIABILITY THEORY.
File: Policy Manual/Warrantyslush1
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