Model E112/F112
OWNER’S MANUAL
Manual No. 513613 Rev.2 August, 2007
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Owner's Manual
For E112 and F112
Stoelting Counter Model Gravity Freezer
Shake and Frozen Beverage
This manual provides basic information about the freezer. Instructions and suggestions are
given covering its operation and care.
The illustrations and specifications are not binding in detail. We reserve the right to make
changes to the freezer without notice, and without incurring any obligation to modify or provide
new parts for freezers built prior to date of change.
DO NOT ATTEMPT to operate the freezer until instructions and safety precautions in this
manual are read completely and are thoroughly understood. If problems develop or questions
arise in connection with installation, operation, or servicing of the freezer, contact the company
at the following location:
STOELTING, LLC
502 Hwy. 67
Kiel, WI 53042
Ph: 800-558-5807
Fax: 920-894-7029
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Safety Alert Symbol:
This symbol Indicates danger, warning or caution.
Attention is required in order to avoid serious per-
sonal injury. The message that follows the symbol
contains important information about safety.
Signal Word:
Signal words are distinctive words used throughout
this manual that alert the reader to the existence and
relative degree of a hazard.
CAUTION
The signal word “CAUTION” indicates a potentially
hazardous situation, which, if not avoided, may result
TABLE OF
CONTENTS
Section
Description
Description and Specifications
Page
1
1.1
1.2
Description.................................................................................................1
Specifications.............................................................................................2
2
Installation Instructions
2.1
2.2
2.3
Safety Precautions .....................................................................................5
Shipment and Transit.................................................................................5
Freezer Installation ....................................................................................5
3
Initial Set-Up and Operation
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
Operator’s Safety Precautions ...................................................................7
Operating Controls and Indicators .............................................................7
Sanitizing ...................................................................................................8
Freeze Down and Operation ......................................................................9
Mix Information ..........................................................................................9
Removing Mix From Freezer .....................................................................10
Cleaning the Freezer .................................................................................10
Disassembly of Freezer Parts ....................................................................10
Cleaning the Freezer Parts ........................................................................11
Sanitize Freezer and Freezer Parts ...........................................................11
Assembly of Freezer ..................................................................................11
Routine Cleaning .......................................................................................12
PreventativeMaintenance..........................................................................12
Extended Storage ......................................................................................15
4
Troubleshooting
4.1
4.2
Light Indicators ..........................................................................................17
Troubleshooting .........................................................................................17
5
Replacement Parts
5.1
5.2
5.3
5.4
Decals and Lubrication ..............................................................................19
Auger Shaft and Faceplate Parts ...............................................................20
Hopper Parts..............................................................................................22
Autofill Options...........................................................................................23
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SECTION 1
DESCRIPTION AND SPECIFICATIONS
1.1 DESCRIPTION
TheStoelting E112/F112counterfreezersaregravityfed.
The freezers are equipped with fully automatic controls to
provide a uniform product. They will operate with almost
any type of shake or frozen beverage mix. This manual is
designed to help qualified service personnel and opera-
torswiththeinstallation,operationandmaintenanceofthe
Stoelting E112/F112 gravity freezers.
Figure 1-1 Model E112
Figure 1-1 Model F112
1
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1.2 SPECIFICATIONS
E112
F112
Figure 1-2 Freezer Specifications
2
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1.2 SPECIFICATIONS - CONTINUED
Model E112
Model F112
Dimensions
width
Freezer
with crate
Freezer
with crate
29'' (73,7 cm)
44'' (111,7 cm)
39'' (99,0 cm)
15-1/4'' (38,7 cm) 17-1/2'' (44,5 cm) 17-1/4'' (43,7 cm)
height
30-1/2'' (77,5 cm)
32'' (81,2 cm)
35'' (88,9 cm)
33'' (83,7 cm)
depth
36-1/2'' (92,7 cm) 30-1/4'' (76,7 cm)
Weight
205 lbs (92,1 kg) 215 lbs (97,5 kg) 288 lbs (130,5 kg) 315 lbs (142,9 kg)
Electrical
running amps
connection type
Compressor
Drive Motor
1 Phase, 115 VAC, 60Hz
approximately 16A
NEMA5-20P power cord provided
6,000 Btu/hr
1 Phase, 208-230 VAC, 60Hz
approximately 10A
NEMA6-20P power cord provided
8,600 Btu/hr
1/3 hp
3/4 hp
Air cooled units require 3" (7,6 cm) air
space on both sides or 4"
Air cooled units require 6" (15,24 cm)
air space on both sides
Air Flow
(10,2 cm) air space in back
for side-by-side installation
Water cooled units require 3/8" N.P.T.
water and drain fittings.
N/A
Plumbing Fittings
3.625 gallon (13,73 liters)
1.25 gallon (5 quart), 4,73 liters
5.375 gallon (20,35 liters)
Hopper Volume
Freezing Cylinder
Volume
2.125 gallon (8.5 quart), 8,04 liters
Production
Capacity
12 GPH (45,42 liters)
18 GPH (68,15 liters)
3
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4
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SECTION 2
INSTALLATION INSTRUCTIONS
2.1 SAFETY PRECAUTIONS
Do not attempt to operate the freezer until the safety
precautions and operating instructions in this manual are
read completely and are thoroughly understood.
Takenoticeofallwarninglabelsonthefreezer. Thelabels
have been put there to help maintain a safe working
environment.Thelabelshavebeendesignedtowithstand
washing and cleaning. All labels must remain legible for
the life of the freezer. Labels should be checked periodi-
cally to be sure they can be recognized as warning labels.
If danger, warning or caution labels are needed, indicate
the part number, type of label, location of label, and
quantity required along with your address and mail to:
Figure 2-2 Space and Ventilation Requirements
STOELTING, INC.
ATTENTION: Customer Service
502 Hwy. 67
D.
Correctventilationisrequired.TheE112requires
3”clearanceonbothsides. Ifthefreezerisplaced
side-by-sidenexttootherequipment,thereneeds
to be at lease 4” clearance at the back of the
freezer.Theair-cooledF112requires6”clearance
on both sides for proper air flow.
Kiel, Wisconsin 53042
2.2 SHIPMENT AND TRANSIT
Thefreezerhasbeenassembled,operatedandinspected
at the factory. Upon arrival at the final destination, the
entirefreezermustbecheckedforanydamagewhichmay
have occurred during transit.
CAUTION
Failure to provide adequate ventilation will void war-
ranty.
With the method of packaging used, the freezer should
arriveinexcellentcondition. THECARRIERISRESPON-
SIBLE FOR ALL DAMAGE IN TRANSIT, WHETHER
VISIBLEORCONCEALED.Donotpaythefreightbilluntil
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
customermustplaceclaimfordamagesand/orshortages
in shipment with the carrier. Stoelting, Inc. cannot make
any claims against the carrier.
D.
Connectthedriptraybracketbylooseningthetwo
screws at the front of the freezer. Install the
bracket so that it rests on the nylon washer
between the two metal washers. Tighten the
screws.
2.3 FREEZER INSTALLATION
Installation of the freezer involves moving the freezer
close to its permanent location, removing all crating,
setting in place, assembling parts, and cleaning.
A.
B.
Uncrate the freezer.
Accuratelevelingisnecessaryforcorrectdrainage
of freezer barrel and to insure correct overrun.
Place a bubble level on top of the freezer at each
corner to check for level condition. If adjustment
is necessary, level the freezer by turning the
bottom part of each leg in or out.
Figure 2-3 Drip Tray Bracket
C.
TheF112hasabasegasketthatmustbeinstalled.
Separatethegasketandinstallitwiththeseamto
theback. Makesuretheangledsideofthegasket
is facing up.
E.
The freezer leaves the factory with the control
board set for slush. Contact a service technician
to properly set the freezer for shake.
5
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WARNING
Do not alter or deform electrical plug in any way.
Altering the plug to fit into an outlet of different con-
figuration may cause fire, risk of electrical shock,
product damage and will void warranty.
F.
E.
Place the CLEAN-ON-OFF switch in the OFF
position.
Connect the power cord to the proper power
supply. The plug on the E112 is designed for 115
volt / 20 amp duty and the plug on the F112 is
designedfor208or230volt/20ampduty. Check
the nameplate on your freezer for proper supply.
Theunitmustbeconnectedtoaproperlygrounded
receptacle. The electrical cord furnished as part
of the freezer has a three prong grounding type
plug. The use of an extension cord is not
recommended, if necessary use one with a size
12 gauge or heavier with ground wire. Do not use
an adapter to get around grounding requirement.
6
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SECTION 3
INITIAL SET-UP AND OPERATION
3.1 OPERATOR’S SAFETY PRECAUTIONS
3.2 OPERATING CONTROLS AND INDICATORS
SAFE OPERATION IS NO ACCIDENT; observe these Beforeoperatingthefreezer,itisrequiredthattheoperator
rules:
know the function of each operating control. Refer to
Figure 3-1 for the location of the operating controls on the
freezer.
A.
Know the freezer. Read and understand the
Operating Instructions.
B.
C.
Notice all warning labels on the freezer.
WARNING
Wearproperclothing.Avoidloosefittinggarments,
and remove watches, rings or jewelry that could
cause a serious accident.
High voltage will shock, burn or cause death. The
OFF-ON switch must be placed in the OFF position
prior to disassembling for cleaning or servicing. Do
not operate machine with cabinet panels removed.
D.
E.
Maintain a clean work area. Avoid accidents by
cleaning up the area and keeping it clean.
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.
A.
Spigot Switch
Thespigotswitchwillautomaticallystarttheauger
driveandrefrigerationsystemswhenthespigotis
opened to dispense product. When the spigot is
closed,thedrivemotorandcompressorwillremain
onuntiltheproductinthefreezingcylinderreaches
the proper consistency..
F.
Disconnectelectricalcordformaintenance.Never
attempt to repair or perform maintenance on the
freezer until the main electrical power has been
disconnected.
G.
Donotoperateunderunsafeoperatingconditions.
Neveroperatethefreezerifunusualorexcessive
noise or vibration occurs.
Consistency
Adjustment
Knob
Diagnostic
Light
Add Mix
Indicator
Clean/Off/On
Switch
Figure 3-1 Freezer Controls
7
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B.
CLEAN-OFF-ON Switch
H.
I.
Light Kit - Optional (E112 Part 2183800, F112
Part 2187102)
The CLEAN-OFF-ON switch is used to supply
power to the control circuit. When the switch is in
the OFF (middle) position, power will not be
supplied to the control board or refrigeration
system.WhentheswitchisintheONposition,the
freezer will operate in the freezing mode. When
theswitchisintheCLEANposition,allrefrigeration
will stop and the auger will start rotating.
The light kit is installed behind the header panel
and illuminates a translucent header panel.
Bottle Rack Kit - Optional (E112 Part 2187100,
F112 Part 2187040 or 2187024)
The bottle rack kit is installed onto the header
panel and holds 7 flavor bottles (13 bottles on the
2187024).
C.
ADD MIX Light
J.
Spinner Kit - Optional (E112 Part 2187103,
F112 Part 2187031)
The ADD MIX light will flash to alert the operator
toalowmixcondition.Itdoessobymonitoringthe
mix level in the hopper. When the ADD MIX light
is flashing, refill hopper immediately.
The spinner kit is installed on the front of the
freezer and offers blended frozen beverages.
NOTE
3.3 SANITIZING
Failure to refill hopper immediately may result in
operational problems.
Sanitizing must be done after the freezer is cleaned and
justbeforethehopperisfilledwithmix.Sanitizingthenight
before is not effective. However, you should always clean
the freezer and parts after each use.
D.
Diagnostic Light
The Diagnostic Light will flash if an error occurs.
The light will flash once if there is a compressor
error. There will be two quick flashes if there is an
auger error. And there will be three quick flashes
ifthefreezerisleftincleanmodeformorethan20
minutes. Refer to the troubleshooting section for
details.
The United States Department of Agriculture and
the Food and Drug Administration require that all
cleaning and sanitizing solutions used with food pro-
cessing equipment be certified for this use.
When sanitizing the freezer, refer to local sanitary regula-
tions for applicable codes and recommended sanitizing
products and procedures. The frequency of sanitizing
must comply with local health regulations.
E.
Consistency Adjustment Knob
The Consistency Adjustment Knob increases or
decreases product consistency. A tension spring
isconnectedtotheknobandchangestheamount
oftorqueneededtocompletearefrigerationcycle.
Turn the knob clockwise to increase consistency
or counterclockwise to decrease consistency.
Mix sanitizer according to manufacturer’s instructions to
provide a 100 parts per million strength solution. Mix
sanitizer in quantities of no less than 2 gallons (7.5 liters)
of 90° to 110°F (32° to 43°C) water. Allow sanitizer to
contact the surfaces to be sanitized for 5 minutes. Any
sanitizer must be used only in accordance with the
manufacturer’s instructions.
NOTE
An additional spring is included with the freezer
behind the header panel. The additional spring can
be installed for use with shake mixes when a higher
consistency is required. Do not use the optional
spring with slush mixes.
In general, sanitizing may be conducted as follows:
CAUTION
F.
Front Door Safety Switch
Do not allow sanitizer to remain in contact with stain-
less steel freezer parts for prolonged periods. Pro-
longed contact of sanitizer with freezer may cause
corrosion of stainless steel parts.
The front door safety switch prevents the auger
from turning when the front door is removed. The
switch is open when the door is not in place and
closed when the door is properly installed.
G.
Autofill Kit - Optional (E112 Part 2183807,
F112 Part 2187101)
A.
B.
Prepare Stera-Sheen Green Label Sanitizer or
equivalent according to manufacturer’s
instructionstoprovidea100ppmstrengthsolution.
Mix the sanitizer in quantities of no less than 2
gallons of 90° to 110°F (32° to 43°C) water. Any
sanitizer must be used only in accordance with
the manufacturer’s instructions.
The autofill kit is used with a pump to keep the
hopper filled. The autofill kit is for use with non-
potentiallyhazardousfoodsubstances;non-dairy.
Refer to Section 5-4 for Autofill options.
If using a shake mix, place the mix inlet regulator
into hopper. If using a slush mix, the mix inlet
regulator is not required.
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C.
D.
Pour approximately 1/2 gallon of fully thawed mix
into the hopper. Open spigot and drain a small
amountofmixtoremoveanyremainingsanitizer.
Fill the hopper with pre-chilled (40°F or 4°C) mix.
NOTE
Do not overfill the hopper. Mix level must not be
higher than the air inlet tube on the mix inlet regula-
tor.
E.
F.
Place the switch in the ON position.
NOTE
After the drive motor starts, there is a 3 second de-
lay before the compressor starts.
Figure 3-2 Sanitizing hopper
After 8 to 12 minutes the product will be at
consistency and will be ready to serve. Freeze
down time may vary depending on mix type and
ambient temperatures.
C.
D.
PlacetheswitchintheCLEANposition.Checkfor
leaks.
Clean sides of hopper, mix inlet regulator and
underside of hopper cover using a soft bristle
brush dipped in the sanitizing solution (Refer to
Figure 3-2).
G.
H.
To dispense, pull the spigot handle down to open
the spigot.
Thefreezerisdesignedtodispensetheproductat
areasonabledrawrate.Ifthefreezerisoverdrawn,
theresultisasoftproductoraproductthatwillnot
dispense at all. If this should occur, allow the
freezertorunforapproximately30secondsbefore
dispensing additional product.
E.
Afterfiveminutes,placeabucketunderthespigot
andopenspigottodrainsanitizingsolution.Place
the switch in the OFF (middle) position. Loosen
freezer door and allow the freezing cylinder to
drain completely. Re-tighten door.
I.
Do not operate the freezer when the ADD MIX
light is on. Refill the hopper immediately.
3.5 MIX INFORMATION
Mix can vary considerably from one manufacturer to
another. Differences in the amount of butterfat content
and quantity and quality of other ingredients have a direct
bearingonthefinishedfrozenproduct.Achangeinfreezer
performance that cannot be explained by a technical
problem may be related to the mix.
Proper product serving temperature varies from one
manufacturer’smixtoanother.Shakeandstackableslush
mixesprovidesatisfactoryproductfrom24°to28°F(-4°to
-2°C).
Figure 3-3 Mix Inlet Regulator
When checking the temperature, stir the thermometer in
the frozen product to obtain an accurate reading.
Old mix or mix that has been stored at elevated tempera-
tureswillproducepoor-qualityproductwithabadtasteand
unacceptable appearance. To retard bacteria growth in
dairy based mixes, the best storage temperature range is
between 33° to 38°F (0.5° to 3.3°C).
3.4 FREEZE DOWN AND OPERATION
This section covers the recommended operating proce-
dures for the safe operation of the freezer.
A.
B.
Sanitize just prior to use.
Place the switch in the OFF (middle) position.
NOTE
Someshakemixestendtofoammorethanothers. Iffoam
appearsinthehopper,skimoffwithasanitizedutensiland
discard. Periodically, stir the mix in the hopper with a
sanitized utensil to help prevent excess foam.
Make sure the mix inlet regulator is in place before
adding shake mixes. This is not necessary for slush
mixes.
9
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3.6 REMOVING MIX FROM FREEZER
To remove the mix from the freezer, refer to the following
steps:
A.
If removing shake mix, pull the mix inlet regulator
straight up and remove it from the hopper.
B.
Place the switch in the CLEAN position to rotate
the auger. Allow the mix to agitate in freezing
cylinder until the mix has become liquid, about 5
minutes.
C.
D.
Drain the liquid mix by opening the spigot. A
container should be placed under the spigot to
collect the liquid mix.
Figure 3-4 Remove Spigot Pin
Place the switch in the OFF (middle) position.
A.
B.
Remove hopper cover. Remove the mix inlet
regulator from the hopper.
3.7 CLEANING THE FREEZER
NOTE
Pull out the spigot pin by its ring (Refer to Figure
3-4).
The frequency of cleaning the freezer and freezer
parts must comply with local health regulations.
C.
D.
Remove the spigot handle.
Remove front door by turning the circular knobs
and then pulling door off the studs.
After the mix has been removed from the freezer, the
freezer must be cleaned. To clean the freezer, refer to the
following steps:
NOTE
A.
B.
C.
D.
Close the spigot and fill the hopper with 2 gallons
(8 liters) of tap water.
When removing front door, entire door and stator
assembly will come out as well.
Place the switch in the CLEAN position. The
auger will start to rotate.
E.
F.
G.
Remove torque rod from stator assembly.
Remove quad ring from groove in front door.
Allow the water to agitate for approximately 30
seconds.
Remove stator bar. Remove o-ring and white
bushing from stator bar.
Open the spigot to drain the water. Remember to
place a container under the spigot to catch the
water. When the water has drained, place the
switch in the OFF (middle) position. Allow the
freezing cylinder to drain completely.
H.
I.
Remove auger support bushing.
Turn the spigot body until the ice breaker bar can
beremoved.Removebreakerbar(RefertoFigure
3-5).
E.
Prepare detergent water by mixing 2 oz. of
Palmolive detergent or equivalent in 2 gallons of
90° to 110°F (32° to 43°C) water. Repeat steps A
through D using the detergent solution.
3.8 DISASSEMBLY OF FREEZER PARTS
Inspection for worn or broken parts should be made each
time the freezer is disassembled. All worn or broken parts
should be replaced to ensure safety to both the operator
and the customer and to maintain good freezer perfor-
mance and a quality product. Frequency of cleaning must
comply with the local health regulations.
To disassemble the freezer, refer to the following steps:
CAUTION
Hazardous Moving Parts.
Revolving auger shaft can grab and cause injury.
Place the switch in the OFF (middle) position be-
fore disassembling for cleaning or servicing.
Figure 3-5 Spigot and Ice Breaker Bar Removal
10
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brushes provided (Refer to Figure 3-7).
C.
Cleantherearsealsurfacesfromtheinsideofthe
freezing cylinder with the 90° to 110°F (32° to
43°C) detergent water.
3.10 SANITIZE FREEZER AND FREEZER
PARTS
CAUTION
Do not allow sanitizer to remain in contact with stain-
less steel freezer parts for prolonged periods. Pro-
longed contact of sanitizer with freezer may cause
corrosion of stainless steel parts.
Figure 3-6 Removing O-Ring
J.
Remove spigot body from the front door.
A.
B.
UseStera-Sheenorequivalentsanitizingsolution
mixedaccordingtomanufacturer'sinstructionsto
provide 100 parts per million strength solution.
Mixsanitizerinquantitiesofnolessthan2gallons
(7.5liters)of90°to110°F(32°to43°C)water.Any
sanitizer must be used only in accordance with
the manufacturer's instructions.
K.
Remove o-rings (2) from the spigot by first wiping
off the lubricant using a clean paper towel. Then
squeezetheo-ringupwardwithadrycloth. When
a loop is formed, roll the o-ring out of the groove
(Refer to Figure 3-6).
L.
Removeaugerassemblyfromthefreezingcylinder
and remove auger blades.
With the large brush provided, sanitize the rear of
the freezing cylinder by dipping the brush in the
sanitizing solution and brushing the rear of the
cylinder.
M.
N.
Remove rear seal and o-ring from auger.
Remove drain tray, drip tray and drip tray grid.
3.9 CLEANING THE FREEZER PARTS
3.11 ASSEMBLY OF FREEZER
Toassemblethefreezerparts,refertothefollowingsteps:
NOTE
Place all loose parts in a pan or container and take to the
wash sink for cleaning. To clean freezer parts, refer to the
following steps:
A.
Prepare detergent water by mixing 2 oz. of
Palmolive detergent or equivalent in 2 gallons of
90° to 110°F (32° to 43°C) water. Place all parts
in detergent solution and clean with provided
brushes. Rinse all parts with clean 90° to 110°F
(32° to 43°C) water.
Petrol Gel sanitary lubricant or equivalent must be
used when lubrication of parts is specified.
NOTE
The United States Department of Agriculture and
the Food and Drug Administration require that lu-
bricants used on food processing equipment be cer-
tified for this use. Use lubricants only in accordance
with the manufacturer’s instructions.
B.
Wash the hopper and freezing cylinder with the
90° to 110°F (32° to 43°C) detergent water and
A.
Assemble all o-rings onto parts dry, without
lubrication. Then apply a thin film of sanitary
lubrication to exposed surfaces of the o-rings.
Also apply a thin film of sanitary lubricant inside
andoutsideoffrontaugersupportbushing,andto
the inside and outside of stator support bushing.
B.
C.
D.
Assemble the rear seal onto the auger with the
largeendtotherear. Besuretheo-ringisinplace
before installing the rear seal (Refer to Figure 3-
8).
Put a small amount of white Hex Drive Anti Seize
(spline lube) on the hex end of the auger shaft. A
small container of Anti Seize is shipped with the
freezer.
Install the plastic auger blade onto auger.
Figure 3-7 Cleaning Freezing Cylinder
11
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E.
F.
Pushaugerintofreezingcylinderandrotateslowly
until auger engages the drive shaft.
CAUTION
Insert spigot body into front door.
Do not place the mix inlet regulator into the hopper
before installing the auger. Attempting to install the
auger with the mix inlet regulator in place will dam-
age the regulator.
NOTE
When inserting spigot body, press o-rings in to pre-
vent damage.
G.
Turn spigot body until the ice breaker bar can be
inserted. Insert breaker bar and rotate spigot
body 90°.
P.
Install hopper cover, drain tray, drip tray, and drip
tray grid.
H.
I.
Install auger support bushing onto front door so
beveled edge of bushing is against door.
3.12 ROUTINE CLEANING
Install the white stator support bushing onto the
rear of the stator bar and insert stator into spigot.
To remove spilled or dried mix from the freezer exterior,
wash in the direction of the finish with warm soapy water
andwipedry. Donotusehighlyabrasivematerialsasthey
will mar the finish.
J.
K.
Inserttorquerod.Therodshouldbeplacedthrough
the hole in stator bar.
Install the front door onto the freezer.
3.13 PREVENTIVE MAINTENANCE
NOTE
Stoelting recommends that a maintenance schedule be
followedtokeepthefreezercleanandoperatingproperly.
When installing door onto freezer, torque rod must
be placed in the center of metal torque actuator arm
CLEANING AND SANITIZING INFORMATION
L.
Install the knobs on the freezer studs.
Special consideration is required when it comes to food
safety and proper cleaning and sanitizing.
M.
Look for the proper seal between the freezing
cylinder, quad ring, and front door
The following information has been compiled by Purdy
Products Company, makers of Stera-Sheen Green Label
Cleaner/Sanitizerandspecificallycoversissuesforclean-
ing and sanitizing frozen dessert machines. This informa-
tion is meant to supplement a comprehensive food safety
program.
N.
O.
Insert spigot handle so hole lines up and insert
spigot pin.
Install the mix inlet regulator into the hopper if
using shake mix. If using slush mix, the mix inlet
regulator is not required.
Torque
Rod
Stator Bar
Bushing
Auger
Support
Bushing
Stator Bar
Quad
Ring
Stator Bar
O-Ring
figure 3-9 Door and Stator Assembly
12
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SOIL MATERIALS ASSOCIATED WITH FROZEN PROPER DAILY MAINTENANCE: THE ONLY WAY TO
DESSERT MACHINES ASSUREFOODSAFETYANDPRODUCTQUALITY
MILKFAT/BUTTERFAT – As components of ice-cream/ Proper daily maintenance can involve a wide variety of
frozen custard mix, these soils will accumulate on the products and procedures. Overall, the products and pro-
interior surfaces of the machine and its parts. Fats are cedures fall into three separate categories. (Please note
difficulttoremoveandhelpattributetomilkstonebuild-up. that this is a brief overview intended for informational
purposes only.)
MILKSTONE – Is a white/gray film that forms on equip-
mentandutensilsthatcomeincontactwithdairyproducts. 1.
Thesefilmswillaccumulateslowlyonsurfacesbecauseof
ineffective cleaning, use of hard water, or both. Milkstone
is usually a porous deposit, which will harbor microbial
contaminants and eventually defy sanitizing efforts.
CLEANING – This involves draining mix from the
freezing cylinder and rinsing the machine with
water.Next,acleanerisrunthroughthemachine.
Then,themachineisdisassembledandremovable
parts are taken to the sink for cleaning.
Once milkstone has formed, it is very difficult to remove. 2.
Without using the correct product and procedure, it is
nearly impossible to remove a thick layer of milkstone.
(NOTE: general-purpose cleaners DO NOT remove
milkstone.) This can lead to high bacteria counts and a
food safety dilemma.
MILKSTONE REMOVAL – Since almost all
cleaners do not have the ability to remove
milkstone, the use of a delimer becomes
necessary. Although this procedure may not be
needed on a daily basis, it will usually follow the
cleaning procedure. It requires letting a delimer
solution soak in the machine for an extended
period of time. Individual parts are also soaked in
a deliming solution for an extended period of time
(more about delimers in Additional Information).
IT IS BEST TO CONTROL MILKSTONE ON A DAILY
BASISBEFOREITCANBECOMEASIGNIFICANTFOOD
SAFETY PROBLEM.
In addition to food safety, milkstone can cause premature
wear to machine parts which can add to costs for replace-
3.
SANITIZING–Afterthemachinehasbeencleaned
and contains no milkstone, the machine is
reassembled. Then a FDA-approved sanitizing
solutionisrunthroughthemachinetokillbacteria.
The machine is then ready for food preparation.
ment parts or possibly more expensive repairs if worn
machine parts are not replaced once they have become
excessively worn.
IMPORTANT DIFFERENCES BETWEEN CLEANING
AND SANITIZING
As a recommended cleaner and sanitizer for your frozen
dessertmachine,STERA-SHEENhasproventobeoneof
the best daily maintenance products for:
CLEANING vs. SANITIZING
Itisimportanttodistinguishbetweencleaningandsanitiz-
ing. Although these terms may sound synonymous, they
are not. BOTH are required for adequate food safety and
•
CLEANING – Thorough removal of all solids
including butterfat and milk fat.
•
MILKSTONE REMOVAL – Complete removal of
milkstone.
proper machine maintenance.
CLEANING
•
SANITIZING – FDA-approved no rinse sanitizer
for food contact surfaces.
•
•
Is the removal of soil materials from a surface.
Is a prerequisite for effective sanitizing.
NOTE
ADDITIONAL INFORMATION
THE USE OF DELIMERS
An UNCLEAN surface will harbor bacteria that can
defy sanitizing efforts.
A delimer is a strong acid that has the ability to dissolve
milkstone. This type of chemical may become necessary
once high levels of milkstone have developed. While
these products are very effective for removing HIGH
levels of milkstone, they are not ideal for two reasons:
Bacteria can develop and resist sanitizing efforts within a
layer of soil material (milkstone). Thorough cleaning pro-
cedures that involve milkstone removal are critical for
operators of frozen dessert machines.
1.
PRODUCTSAFETY–Strongacidsaredangerous
chemicals and handling them requires safety
SANITIZING
2.
MACHINE DAMAGE – Strong acids will attack
metal and rubber causing premature wear of
parts. The use of a delimer needs to be closely
monitored to avoid damage to machine surfaces
and parts.
•
•
Kills bacteria.
Can be effective on clean surfaces only.
NOTE
Using a SANITIZER on an unclean surface will not
guarantee a clean and safe frozen dessert machine.
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With proper daily use of STERA-SHEEN or its equivalent, D. QUARTERLY
there is no need for the use of a DELIMER.
Air Cooled
DO NOT USE BLEACH
The air-cooled condenser is a copper tube and aluminum
•
BLEACH HAS ABSOLUTELY NO CLEANING fin type. Condensing is totally dependent upon airflow. A
PROPERTIES.
plugged condenser filter, condenser, or restrictions in the
louvered panel will restrict airflow. This will lower the
capacity of the system and damage the compressor.
•
BLEACHISCORROSIVE.Itcanandwilldamage
components of the machine causing premature
wear and metal corrosion.
The condenser must be kept clean of dirt and grease. The
F112 must have a minimum of 6” (15.2 cm) of ventilation
on the right and left sides of the unit for free flow of air. The
E112 must have 3” (7.6 cm) of ventilation. Make sure the
freezer is not pulling over 100° F (37° C) air from other
equipment in the area.
GENERAL PURPOSE CLEANERS
General purpose cleaners do not have the ability to re-
move milkstone. Milkstone will become a problem if not
remedied with additional products and procedures.
THE USE OF CHLORINE TEST STRIPS
Thecondenserandcondenserfilterrequireperiodicclean-
ing. To clean, refer to the following procedures.
“Test strips” are used to determine concentrations of
active chlorine in sanitizing solutions. To use the strips,
tear off a small portion and submerge it into the sanitizing
solution. Then, compare the color change to the color key
on the side of the test strip dispenser to determine the
approximate chlorine concentration.
E112 Air Cooled Condenser Cleaning
A.
Unscrewtheknoblocatedontheundersideofthe
freezer towards the front (Fig. 3-10).
The ideal concentration of chlorine needs to be 100 ppm
(as stated by the FDA).
NOTE
Follow the directions on the container for proper con-
centration.
There are two main factors that contribute to falling chlo-
rine concentrations in a sanitizing solution.
1.
PRODUCT USE – As the chlorine in the solution
is being used, chlorine concentrations fall.
2.
TIME–Astimepasses,smallamountsofchlorine
“evaporate” from the solution. (That is why you
can smell it.)
Sanitizingsolutionsshouldnotbeallowedtofallbelow100
ppm chlorine. New solutions should be mixed once old
solutions become ineffective
Figure 3-10 E112 Condenser Filter Removal
B. DAILY
1.
The exterior should be kept clean at all times to
preserve the luster of the stainless steel. A mild
alkalinecleanerisrecommended.Useasoftcloth
or sponge to apply the cleaner.
B.
C.
D.
Remove the filter bracket and remove the filter.
Visually inspect the condenser filter for dirt.
If the filter is dirty, vacuum or brush clean, rinse
withcleanwaterandallowtodrybeforereplacing
on the freezer.
C. WEEKLY
1.
Check o-rings and rear seal for excessive wear
NOTE
and replace if necessary.
If the condenser is not kept clean, refrigeration effi-
ciency will be lost.
2.
Remove the drip tray by gently lifting up to
disengagefromthesupportandpullingout.Clean
behind the drip tray and front of the freezer with a
soap solution.
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3.14 EXTENDED STORAGE
Refer to the following steps for storage of the freezer over
any long period of shutdown time:
A.
B.
C.
Place the CLEAN-OFF-ON switch in the OFF
(middle) position.
Disconnect (unplug) from the electrical supply
source.
Clean thoroughly with a warm water detergent all
parts that come in contact with the mix. Rinse in
clean water and dry parts. Do not sanitize.
NOTE
Do not let the cleaning solution stand in the hopper
or in the freezing cylinder during the shutdown pe-
riod.
D.
E.
Remove, disassemble and clean the front door,
mix inlet regulator and auger parts.
In a water cooled freezer, disconnect water lines
anddrainwater.Withaflatheadscrewdriver,hold
the water valve open and use compressed air to
clear the lines of any remaining water.
Figure 3-11 F112 Condenser Filter Removal
F112 Air Cooled Condenser Cleaning
A.
RemovethePhillipsheadscrewsfromthebottom
of the right side panel, and then slide the panel
down and out.
B.
Toremovethecondenserfilter, graspthetopand
pull off. Visually inspect for dirt. If the filter is dirty,
shake or brush excess dirt off the filter and wash
inwarm,soapywater.Oncethefilteriscleanrinse
thoroughly in warm, clear water and shake dry,
taking care not to damage the filter in any way
(Fig. 3-11).
C.
Visually inspect the condenser for dirt by shining
alightthroughthecoilfromtheback(inside)ofthe
condenser.
D.
E.
Ifthecondenserisdirty,placeawettoweloverthe
front (outside) of the condenser.
Using a vacuum, carefully clean the condenser
coil from the inside and outside of the freezer. A
stiff bristled brush may help in releasing debris
from between the condenser coils.
Water Cooled (F112 only)
The water-cooled condenser is a tube and shell type. The
condenser needs a cool, clean supply of water to properly
coolthefreezer, inletanddischargelinesmustbe3/8”I.D.
minimum. Make sure the freezer is receiving an unre-
stricted supply of cold, clean water.
E. SEMI-ANNUALLY
1.
2.
Disconnect the freezer from the power source.
Check drive belt for proper tension. Push belt in
with one finger, belt should deflect about 3/8".
3.
Lubricate condenser fan motor with S.A.E. 20
weight oil. Three to six drops are required.
15
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SECTION 4
TROUBLESHOOTING
4.1 LIGHT INDICATORS
The freezer has two lights that will alert the user if a problem occurs: an ADD MIX light and a Diagnostic Light.
The ADD MIX light will flash to alert the operator to a low mix condition. It does so by monitoring the mix level in the
hopper. When the ADD MIX light is flashing, refill hopper immediately.
The Diagnostic Light will flash if an error occurs. Refer to the chart below for details.
Indication
Conditions
On
One Blink
Two Blinks
Three Blinks
Torque is not
met after 20
minutes
(22 minutes for
shake)
Freezer left in clean
mode for over 20
minutes
Defrost Mode
Drive current is not sensed
The freezer attempts to sense drive
current with a 3 second pre-stir. If current
is sensed, the freezer will return to normal
operation. If current is not sensed, the
freezer will wait 7 minutes and try to
sense current with another 3 second pre-
stir. After the third attempt, the
Self
Correction
N/A
N/A
N/A
Off
compressor will run on timers.
Every 7 minutes
the auger will
run for 90
Timers
Timers
Operation
seconds.
Turn CLEAN-OFF-ON
switch to OFF
(middle) position then
turn the switch to ON.
Contact Service
Technician
Corrective
Action
N/A
Contact Service Technician
4.2 TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
REMEDY
1. Supply power to freezer.
2. Replace or reset.
3. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
1. Power to freezer is off.
2. Blown fuse or tripped circuit.
3. Freeze-up (auger will not turn).
Freezer does not
run.
4. High pressure cut-out tripped.
5. Front door not in place.
4. Wait until automatic reset for freezer to start.
5. Assemble front door in place.
1. Drive belt failure.
1. Replace drive belt.
2. Consistency temperature setting is too 2. Turn Consistency Adjustment knob counter-
Freezer will not
shut off.
firm.
clockwise.
3. Refrigeration problem.
3. Check system. (Call distributor for service)
1. Consistency temperature setting is too 1. Turn Consistency Adjustment knob counter-
Product is too firm.
firm.
clockwise.
17
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4.2 TROUBLESHOOTING - CONTINUED
PROBLEM
POSSIBLE CAUSE
REMEDY
1. No vent space for free flow of cooling
air.
1. A minimum of 6" of vent space required (E112 -
3"). (See Section 2)
2. Change location or direct hot air away from
2. Air temperature entering condenser is freezer.
above 100°F.
3. Clean. (See Section 3)
3. Condenser is dirty.
4. Consistency setting too soft.
5. Stabilizers in mix are broken down.
4. Turn Consistency Adjustment knob clockwise.
5. Remove mix, clean, sanitize and freeze down
with fresh mix.
Product is too soft.
6. Remove mix, clean, reassemble, sanitize and
freeze down.
6. Auger is assembled incorrectly.
7. Check system. (Call distributor for service)
7. Refrigeration problem.
1. No mix in hopper.
1. Fill hopper with mix.
2. Mix inlet regulator tube is
plugged.
2. Unplug, using small sanitized brush.
3. Drive motor overload tripped.
3. Wait for automatic reset. (If condition
continues, call distributor for service.)
4. Replace drive belt.
Product does not
dispense.
4. Drive belt failure.
5. Freeze-up (Auger will not turn).
5. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
1. Worn drive belt.
1. Replace drive belt.
2. Freeze-up (Auger will not turn).
2. Turn CLEAN-OFF-ON switch to OFF (middle)
position for 15 minutes, then restart.
3. Adjust belt tension
Drive belt slipping
or squealing.
3. Not tensioned properly
1. Auger is assembled incorrectly.
1. Remove mix, clean, sanitize, and freeze down
with fresh mix.
2. Mix inlet regulator missing.
3. Mix inlet regulator o-ring missing.
4. Mix inlet regulator air tube blocked.
5. Product breakdown.
2. Replace mix inlet regulator.
3. Replace mix inlet regulator o-ring.
4. Clean with sanitized brush.
5. Fill freezer with fresh product.
Low overrun.
1. Outside surface of rear auger seal is
lubricated.
2. Rear seal missing or damaged.
3. Seal o-ring missing, damaged or
installed incorrectly.
1. Clean lubricant from outside of rear seal,
lubricate inside of seal and reinstall.
2. Check or replace.
Rear auger seal
leaks.
3. Check. or replace.
4. Worn or scratched auger shaft.
4. Replace auger shaft.
1. Front door knobs are loose.
1. Tighten knobs.
2. Spigot parts are not lubricated.
3. Chipped or worn spigot o-rings.
4. O-rings or spigot installed wrong.
2. See Section 3.
3. Replace o-rings.
4. Remove spigot and check o-ring.
Front door leaks.
5. Inner spigot hole in front door nicked or 5. Replace front door.
scratched.
18
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SECTION 5
REPLACEMENT PARTS
5.1 DECALS AND LUBRICATION
Quantity
Part
Description
Brush - 4" X 8" X 16" (Barrel)
E112
F112
208135
208380
208401
324105
324106
324107
324141
324208
324393
324509
324548
324566
324584
324686
324804
324852
324853
508048
508135
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Brush - 1/4" X 3" X 14"
Brush - 1" X 3" X 10"
Decal - Caution Electrical Shock
Decal - Caution Electrical Wiring Materials
Decal - Caution Hazardous Moving Parts
Decal - Caution Rotating Blades
Decal - Attention Refrigerant Leak Check
Decal - Stoelting Swirl Logo
Decal - Cleaning Instructions
Decal - Adequate Ventilation 6"
Decal - Wired According To
1
1
1
1
1
1
1
1
Decal - Adequate Ventilation 3"
Decal - Danger Automatic Start
Decal - Domed Stoelting Swirl (Header Panel)
Decal - Clean Condenser Filter
Decal - Warmer / Colder
1
1
1
1
1
Lubricant - Spline (2 oz Squeeze Tube)
Petrol Gel - 4 oz Tube
19
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5.2 AUGER SHAFT AND FACEPLATE PARTS
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5.2 AUGER SHAFT AND FACEPLATE PARTS - CONTINUED
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5.3 HOPPER PARTS
E112 - 2183642
F112 - 2183721
624607
314466
695706
695707
695714
417006
744281
744254
Quantity
Part
Description
E112
F112
314466
417006
624607-5
695706
695707
695714
744254
744273
744281
744601
1183955
2183642
2183721
Cover - Hopper
1
1
1
2
Grid - Drip Tray (Metal)
O-Ring - Mix Inlet (5 Pack)
1
2
Spring - Consistency Adjustment (Green)
Spring - Consistency Adjustment (Yellow)
Spring - Consistency Adjustment (Red)
Tray - Drip
1
1 (shake only)
1
1 (shake only)
1
1
1
1
1
1
1
Tray - Drip (E112 - Ser. #0 - #24586)
Tray - Drain (Front)
1
1
Tray - Drain (Rear)
O-Ring Kit
Mix Inlet Assembly
Mix Inlet Assembly
22
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5.4 AUTOFILL OPTIONS
The E112 and F112 freezers can easily be configured to
use an Autofill System. The Autofill System provides a
constant supply of non-dairy mix to the freezer.
AUTOFILL KIT
An autofill kit is needed to use an Autofill System. The kit
includes a solenoid, tubing, and a new hopper cover (the
F112 also includes a transformer). See below for the
Autofill Kit part numbers.
AUTOFILL SYSTEMS
There are two Autofill Systems available: the Fill-O-Matic
II and the Fill-O-Matic III. See below for details on the
Autofill Systems.
Fill-O-Matic II
The Fill-O-Matic II is powered through an electrical outlet
and pumps up to 60 gallons per hour.
Fill-O-Matic III
The Fill-O-Matic III is powered by gas and pumps up to 45
gallons per hour.
Fill-O-Matic II & Fill-O-Matic III
Fill-O-Matic II
Autofill System: 4177349
E112 Autofill Kit: 2183807
F112 Autofill Kit: 2187101
Part Numbers
For use with non-potentially hazardous food substances; non-dairy
L 11-1/2" x W 11-1/2" x H 32-1/2"
115VAC 60Hz
Usage
Dimensions
Electrical
55A power cord provided
15 gallon plastic tank
Mix Storage
Clean Process
Output
Removable strainer allows for easy cleaning
Pumps up to 60 gallons per hour
Fill-O-Matic III
Autofill System: 4177370
Part Numbers
E112 Autofill Kit: 2183807
F112 Autofill Kit: 2187101
For use with non-potentially hazardous food substances; non-dairy
L 11-1/2" x W 11-1/2" x H 27-1/2"
Usage
Dimensions
Electrical
No electrical connections required
Powered by CO2, Nitrogen or compressed air
15 gallon plastic tank
Mix Storage
Clean Process
Output
Clean-in-place by pumping solution through hoses
Pumps up to 45 gallons per hour
23
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WARRANTY
SOFT SERVE / SHAKE FREEZERS
1. Scope:
Stoelting, LLC warrants to the first user (the “Buyer”) that the freezer cylinders, hoppers, compressors, drive motors,
speed reducers, augers and auger flights of Stoelting soft serve / shake freezers will be free from defects in materials
and workmanship under normal use and proper maintenance appearing within five (5) years, 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 OtherWarranties:
THISWARRANTYISEXCLUSIVE;ANDSTOELTINGHEREBYDISCLAIMSANYIMPLIEDWAR-
RANTYOFMERCHANTABILITYORFITNESSFORPARTICULARPURPOSE.
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 twelve (12) months 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
Checklist/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. 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,
auger seals, auger support bushings 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 component
that fails by reason of negligence, abnormal use, misuse or abuse, use with parts or equipment not manufactured or
supplied by Stoelting, or damage in transit.
THEREMEDIESSETFORTHINTHISWARRANTYSHALLBETHESOLELIABILITYSTOELTING
AND THE EXCLUSIVE REMEDY OF BUYER WITH RESPECT TO EQUIPMENT SUPPLIED BY
STOELTING;AND IN NO EVENTSHALLSTOELTINGBE LIABLE FORANYINCIDENTALOR
CONSEQUENTIALDAMAGES,WHETHERFORBREACHOFWARRANTYOROTHERCONTRACT
BREACH, NEGLIGENCEOROTHERTORT, ORONANYSTRICTLIABILITYTHEORY.
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