Stoelting Freezer F431 User Manual

Model F431

OWNER'S MANUAL

Manual No. 513604 Feb. 2005, Rev. 1

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STOELTING® OWNER'S MANUAL

FOR

MODEL F431

CAB MODEL SOFT-SERVE PRESSURIZED FREEZER

This manual provides basic information about the freezer. 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,withoutincurringanyobligationtomodify

or provide new parts for freezers built prior to date of change.

DONOTATTEMPTtooperatethefreezeruntilinstructionsandsafetyprecautionsinthismanualare

readcompletelyandarethoroughlyunderstood. Ifproblemsdeveloporquestionsariseinconnection

withinstallation,operationorservicingofthefreezer,contactthecompanyatthelocationlistedbelow.

STOELTING, LLC

502 Hwy 67

Kiel, WI 53042-1600

Tele: 920-894-2293

Fax: 920-894-7029

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A Few Words About Safety

Safety Information

Read and understand the entire manual before

operating or maintaining Stoelting equipment.

Safety Alert Symbol:

This symbol Indicates danger, warning or caution.

Attention is required in order to avoid serious personal

injury. The message that follows the symbol contains

important information about safety.

This Owner's Manual provides the operator with

information for the safe operation and maintenance of

Stoelting equipment. As with any machine, there are

hazards associated with their operation. For this

reason safety is emphasized throughout the manual.

To highlight specific safety information, the following

safety definitions are provided to assist the reader.

Signal Word:

Signal words are distinctive words used throughout

this manual that alert the reader to the existence and

relative degree of a hazard.

The purpose of safety symbols is to attract your

attention to possible dangers. The safety symbols,

and their explanations, deserve your careful attention

and understanding. The safety warnings do not by

themselves eliminate any danger. The instructions or

warnings they give are not substitutes for proper

accident prevention measures.

WARNING

The signal word “WARNING” indicates a potentially

hazardous situation, which, if not avoided, may result

in death or serious injury and equipment/property

damage.

CAUTION

If you need to replace a part, use genuine Stoelting

parts with the correct part number or an equivalent

part. We strongly recommend that you do not use

replacement parts of inferior quality.

The signal word “CAUTION” indicates a potentially

hazardous situation, which, if not avoided, may result

in minor or moderate injury and equipment/property

damage.

CAUTION

The signal word “CAUTION” not preceded by the safety

alert symbol indicates a potentially hazardous situa-

tion, which, if not avoided, may result in equipment/

property damage.

NOTICE

The signal word “NOTICE” indicates information or

procedures that relate directly or indirectly to the

safety or personnel or equipment/property.

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TABLE OF CONTENTS

Section 1 .............................................................................................................. 1

1.1

1.2

Description.............................................................................................. 1

Specifications.......................................................................................... 2

Section 2 .............................................................................................................. 3

2.1

2.2

2.3

2.4

2.5

Safety Precautions .................................................................................. 3

Shipment & Transit .................................................................................. 4

Freezer Installation................................................................................... 4

Installing Permanent Wiring...................................................................... 4

Mix Pump ................................................................................................ 5

Section 3 .............................................................................................................. 9

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

Safety Precautions .................................................................................. 9

Operating Controls and Indicators ............................................................ 9

Important Cleaning and Sanitizing Information ......................................... 11

Disassembly of Freezer Parts ................................................................. 12

Cleaning Disassembled Parts.................................................................. 13

Sanitizing Freezer Parts .......................................................................... 13

Cleaning the Freezer ............................................................................... 14

Assembling the Freezer........................................................................... 14

SanitizingAssembled Freezer ................................................................. 16

Initial Freeze Down and Operation .......................................................... 16

Mix Information........................................................................................ 17

Operation of Mix Pump............................................................................ 18

Mix Pump Cleaning .................................................................................. 18

Disassembly and Inspection of Removable Parts.................................... 18

3.9

3.10

3.11

3.12

3.13

3.14

Section 4 .............................................................................................................. 21

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

4.10

4.11

Product Consistency Adjustment ............................................................. 21

Locking Out Control Panel....................................................................... 21

OverrunAdjustment ................................................................................. 21

Mix Pump Hose Reposition...................................................................... 22

Mix Pump Hose Replacement ................................................................. 22

Drive Belt TensionAdjustment ................................................................. 22

Condenser Cleaning (Air Cooled Freezers) ............................................. 23

Preventative Maintenance ....................................................................... 23

Extended Storage.................................................................................... 23

Error Codes ............................................................................................ 23

Troubleshooting ....................................................................................... 24

Section 5 .............................................................................................................. 29

5.1

5.2

How to Order Replacement Parts ........................................................... 29

Parts Lists and Reference Drawings ....................................................... 29

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ILLUSTRATIONS

Figure 1 Model F431 Freezer ..............................................................1

Figure 2 Specifications ........................................................................1

Figure 3 Decal Locations .....................................................................3

Figure 4 Auger Rotation.......................................................................4

Figure 5 Mix Hose Installation ..............................................................5

Figure 6 Connections for Standard Mix Container................................7

Figure 7 ConnectingMixPickupAssembly ..........................................7

Figure 8 Connecting Pump Hose to BCS Manifold ...............................8

Figure 9 Completed BCS Hose Assembly ...........................................8

Figure 10 Connecting BCS Mix Bags .....................................................8

Figure 11 Operating Controls ................................................................9

Figure 12 Auger Flight Wear & Front Auger Support Bushing Wear ......12

Figure 13 Front Door Disassembly ........................................................13

Figure 14 AugerFlightRemoval.............................................................13

Figure 15 Rear Seal Removal................................................................13

Figure 16 Rear Seal Lubrication ............................................................14

Figure 17 SpringInstallation ..................................................................14

Figure 18 Front Door Assembly.............................................................15

Figure 19 Air Bleed Valves ....................................................................16

Figure 20 CleanControl.........................................................................16

Figure 21 Refrigerated Cabinet .............................................................17

Figure 22 DispensingProduct ................................................................17

Figure 23 MixPumps .............................................................................18

Figure 24 Removable Parts ...................................................................19

Figure 25 Removeable Parts for Optional BCS .....................................19

Figure 26 CleaningAirTube ..................................................................19

Figure 27 CleaningFeedTube...............................................................19

Figure 28 Product Consistency Control .................................................21

Figure 29 OverrunAdjustment ...............................................................21

Figure 30 BeltAdjustment......................................................................22

Figure 31 RemovingCondenserFilter....................................................23

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SECTION 1

INTRODUCTION

1.1DESCRIPTION

The Stoelting F431 floor model freezer is pressure fed.

The freezer is equipped with fully automatic controls to

provide a uniform product. The freezer is designed to

operate with almost any type of commercial soft-serve

or non-dairy mixes available, including ice milk, ice cream,

yogurt, and frozen dietary desserts.

This manual is designed to assist qualified personnel and

operators in the installation, operation and maintenance

of the Stoelting Model F431 pressure freezer.

Figure 1. Model F431 Freezer

Figure 2. Specification

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1.2 SPECIFICATIONS

MODEL F431

Width: 19 1/2" (49,5 cm)

Depth: 38 1/4" (97,1cm)

Height: 67" (170,2 cm)

DIMENSIONS

WEIGHT

500 lbs. ( 226,8 kg)

650 lbs. w/Crate ( 294,8 kg)

ELECTRICAL

(2 separate power

sources required.)

30 Amp maximum fuse or HACR circuit breaker.

REFRIGERANT

COMPRESSOR

DRIVE MOTOR

COOLING

R404A

11,000 B.T.U.H.

(2) 3/4 HP each

Air cooled. In top, out back and sides. Requires 6" (16cm) back clearance,

3" (8cm) left and right side clearance and 20" (51cm) top clearance.

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SECTION 2

INSTALLATION INSTRUCTIONS

2.1 SAFETY PRECAUTIONS

painted over, rubbed off, fallen off, and can be recognized

Do not attempt to operate the freezer until the safety

precautions and operating instructions in the manual

are read completely and are thoroughly understood.

as warning labels.

If you are in need of replacement labels, indicate the part

number, type of label, location of label, and quantity re-

Take notice of all warning labels on the freezer (see Fig- quired along with your name and address and mail to:

ure 2).The labels have been put there to help you main-

tain a safe working environment. The labels have been

designed to withstand washing and cleaning. All labels

must remain legible for the life of the freezer. Labels should

be checked periodically to be sure they have not been

Stoelting, LLC

Commercial Products

502 Hwy. 67

Kiel, WI 53042

HEAT SENSITIVE THERMISTOR LOCATED

UNDER THIS COVER. TEMPERATURE

MUST NOT EXCEED 220°F NEAR

THERMISTOR. HEAT SINK MUST BE

USED WHEN BRAZING ON EVAPORATOR

OUTLET. CHECK RESISTANCE BEFORE

REMOVAL OF THERMISTOR.

SEE SERVICE MANUAL.

Figure 3. Warning Label Locations

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2.2 SHIPMENT AND TRANSIT

2.4 INSTALLING PERMANENT WIRING

The freezer has been assembled, operated, and in- If, permanent wiring is required by local codes, the

spected at the factory. Upon arrival at the final destina- following procedure must be performed:

tion, the freezer must be checked for any damage which

may have occurred during final transit.

With the method of packaging used, the equipment should

arrive in excellent condition. THE CARRIER IS RESPON-

WARNING

SIBLE FORALLDAMAGE IN TRANSIT, WHETHER VIS-

IBLE OR CONCEALED. Do not pay the freight bill until

Hazardous voltage

High voltage will shock, burn or cause death. Turn off

the freezer has been checked for damage. Have the car-

and lock out main power disconnect before installing

rier note any visible damage on the freight bill. If concealed

wiring. Do not operate machine with cabinet panels

damage and/or shortage is found later advise the carrier

removed.

within ten days and request inspection. The customer

must place claim for damage and/or shortages in ship-

ment with the carrier. Stoelting, Inc. cannot make any

claims against the carrier.

A. Refer to the nameplate at the rear of the freezer for

specificelectricalrequirements.Makesurethepower

source in the building matches the freezer name-

2.3 FREEZER INSTALLATION

plate requirements. Bring the wires into the junction

boxesthroughtheaccessholesinthebottomrearof

the freezer.

WARNING

B. Remove the lower back panel and the two junction

box covers located at the bottom of the freezer.

Installation must be performed by a qualified electri-

cian/refrigeration specialist. Incorrect installation may

cause personal injury, severe damage to the machine

and will void factory warranties.

C. lnstall permanent wiring according to local code.

D. Check the auger shaft rotation by placing the Main

Freezer Power Switch in the ON position, placing

both Freezing Cylinder OFF/ON switches in the ON

position and then pressing the Clean Switch on each

of the control panels. Auger shaft rotation is clock

wise as viewed through the clear plastic front door.

If the rotation is not clockwise, turn main electrical

power OFF. Then reverse L1 and L3 electrical power

lines to the junction box (three phase only). Re-

check auger shaft rotation (see Figure 4).

Installation of the freezer involves moving the freezer close

to its permanent location, removing all crating, setting in

place, assembling parts, and cleaning.

A. Uncrate the freezer.

B. Install the four casters. Turn the threaded end into

the freezer until zero threads are showing. To level,

turn out casters no more than 1/4" maximum, then

tighten all jam nuts.

C. The freezer must be placed in a solid level position.

NOTE

Accurate leveling is necessary for correct drainage

of freezer barrel and to insure correct overrun.

CAUTION

Risk of product damage

Air cooled condenser requires proper ventilation. Fail-

ure to provide adequate ventilation will void factory

warranties.

D. The freezer must have a minimum of 3" (7,5cm)

of space on all sides and 10" (25cm) at the top for

proper circulation. A minimum of 6" (15cm) clear-

ance is required in high ambient conditions.

Figure 4. Auger Rotation

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6" (15cm)

Figure 5. Mix Hose Installation

2.5 MIX PUMP

9. Turn pump off.

A. Mix Pump Hose Installation

Follow the steps below to install the mix pump

hose.

10.Connect free end of mix pump hose to 3-way

Tee as shown in Figure 6. When all connections

are complete the 3- way Tee must be lower than

the black pump housing (see Figure 6).

1. Turnpumpon.

2. Feed one end of mix pump hose into the

entering or pick-up hose side (left) of black

cover.

CAUTION

Risk of product damage

3. Gently push the hose into the black cover until

it begins to feed.

Air/mixTee must remain below the black cover/clamp.

If Tee is above the pump, mix will drain to the air

compressor resulting in pump damage.

4. Allow the hose to feed itself thru the pump

until 6" (15cm) remains on the entering side.

B. MixPick-upHoseInstallation

The F431 freezer may be connected to standard

mix containers or prepacked mix bags. One, 5

gallon mix bag may be connected to each freezing

cylinderortwo,21/2gallonbagsmaybeconnected

on each side. Follow the instructions below that

match your configuration.

5. Turnpumpoff.

6. Connect mix pump hose to the elbow fiting

(locatedontheleftsideofthemixlinemanifold)

usingsmallhoseclamp. Becarefulnottotwist

the mix hose.

When Using One Mix Container Per Side:

1.Connect2inch(5cm)lengthof3/8inch(9,5mm)

I.D. plasticfoodgradetubingtothemixpick-up

assembly. Secure with hose clamps. Then

place assembly thru hole in cover and install

retaining clip (see Figure 6 and 7).

7. Turnpumpon.

8. Allowremaining6"(15cm)oftubingtofeedthru

pumpuntilhoseadapterpreventsfurther

feeding.

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2. Connect free end of tubing to mix check valve.

Observe direction of check valve flow arrow.

Securewithhoseclamp.Connect24inch(61cm)

length of 3/8 inch (9,5mm) I.D. plastic food grade

tubing to free end of check valve and secure with

hose clamp.

When Using Bag Connection System (BCS) with

One Bag Per Side (optional kit):

1. Connect 3/8 inch (9,5mm) I.D. plastic food grade

tubingtoabagadapter. Securewithhoseclamps.

2. Connect free end of 3/8 inch (9,5mm) I.D. plastic

food grade tubing to mix check valve. Observe

direction of check valve flow arrow. Secure with

hose clamp. Connect 3/8 inch (9,5mm) I.D. plas-

ticfoodgradetubingtofreeendofcheckvalveand

secure with hose clamp.

3. Connect elbow fitting to free end of tubing. Con-

nect opposite end of elbow to 1/4 inch I.D. tan

tubing on the left side of pump head. Secure with

hose clamps (see Figure 5 and 6).

When Using Bag Connection System (BCS) with

Two Bags Per Side (optional kit #2183189):

1. Connect 3/8 inch (9,5mm) I.D. plastic food grade

tubingtoabagadapter. Securewithhoseclamps.

This bag adapter will connect to the bag nearest

the front of the freezer.

3. Connect elbow fitting to free end of tubing. Con-

nect opposite end of elbow to 1/4 inch I.D. tan

tubing on the left side of pump head. Secure with

hose clamps (see Figure 5 and 6).

4. Place one mix bag into each mix container as

showninFigure10(rightmixcontainershowsone

bag configuration).

2. Slide the hose clip over free end of 3/8 inch

(9,5mm) I.D. plastic food grade tubing. Attach

free end of tubing to a manifold adapter. Secure

with large hose clamp or equivalent. Push the

manifold adapter into the left port of the mix inlet

manifold and secure with retaining clip. (see

Figure 9).

5. Connect the bag adapter to the mix bag. (see

Figure 10).

When Using Two Mix Containers or Bag

Connection Systems (BCS) on one Side

(optional kit #2183189):

1. The F431 can be configured to operate with only

onefreezingcylinderturnedon.Thismaybedone

if only one flavor is being dispensed during slow

times. In this case, running only one freezing

cylinder will help minimize product breakdown,

while reducing mix container filling or mix bag

replacement.

3. Connect 3/8 inch (9,5mm) I.D. plastic food grade

tubingtoabagadapter. Securewithhoseclamps.

This bag adapter will connect to the bag nearest

the back of the freezer.

4. Attach free end of tubing to a manifold adapter.

Securewithlargehoseclamporequivalent.Push

the manifold adapter into the right port of the mix

inlet manifold and secure with retaining clip. (see

Figure 9).

2. Connect two mix containers or two mix bags as

described above, but connect both containers to

the mix line manifold of the freezing cylinder you

will be using.

5. Place two mix bags into each mix container as

shown in Figure 10 (left mix container shows two

bag configuration).

6. Connect the bag adapter attached to the left side

ofthemanifoldtothemixbaginthefrontofthemix

container(nearestthecabinetdoor).Connectthe

bag adapter attached to the right side of the

manifold to the mix bag in the back of the mix

container (see Figure 10).

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TUBE ROUTING

(ONLY ONE SIDE SHOWN)

Figure 6. Mix Pump Connections for Standard Mix Container

Figure 7. Connecting Mix Pick-up Assembly

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3-way Tee

Low Mix

Indicator

Adjustment

Knobs

Figure 8. Connecting Pump Hose to BCS Manifold

Figure 10. Connecting BCS Mix Bags (two bag

connection on left, one bag connection on right)

C. Mix Low level Indicator Adjustment

The sensitivity of the "Mix Low" indication that

displays on the control panel can be adjusted to

operator preference. If more advanced notice of

lowmixisrequired,simplyloosentheblackadjust-

ment knobs located on the sensor brackets at the

back of the freezer cabinet, and slide the bracket

upwards. If the "Mix Low" message appears while

thereisstillsufficientmixinthecontainer,slidethe

bracket downward. Be sure to tighten the adjust-

ment knobs after properly positioning the sensor

(see Figure 8).

Figure 9. Completed BCS Hose Assembly

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SECTION 3

INITIAL SET-UP AND OPERATION

3.1 SAFETY PRECAUTIONS

A. Spigot Switch

SAFE OPERATION IS NO ACCIDENT; observe these

rules:

The Spigot switch will automatically actuate the

augerdriveandrefrigerationsystemswhenthe

spigot is opened to dispense product. When the

spigotisclosed,thedrivemotorandcompressorwill

remain "on" until the product in the freezing cylinder

reaches the proper consistency.

A. Know the freezer. Read and understand the operat-

ing instructions.

B. Notice all warning labels on the freezer.

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 the area and keeping it clean.

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. Disconnect electrical power for maintenance.

Never attempt to repair or perform maintenance on

the freezer until the main electrical power has been

disconnected.

G. Do not operate under unsafe operating condi-

tions. Never operate this freezer if unusual or exces-

sive noise or vibration occurs.

B. Freezing Cylinder Off-On Switch

The Freezing Cylinder Off-On switches are two

position toggle switches used to supply power to

the left or right freezing cylinder control circuit.

When the switch is in the OFF position, the

refrigeration system and auger will not operate.

When the switch is in the ON position, the freezer

can be run in the freezing mode or cleaning mode.

The freezer will be in the sleep mode until a switch

is activated.

C. Main Freezer Power Switch

The Main Freezer Power switch is a two position

rocker switch. that supplies power to the freezing

cylinder circuits and the lower cabinet refrigeration

system. When the switch is placed in the ON

position, the lower cabinet refrigeration system will

run until the preset temperature is reached; then

cycle ON and OFF to maintain that temperature.

Power to individual freezing cylinders can then be

controlled with the Freezing cylinder OFF/ON

switches.

3.2 OPERATING CONTROLSAND INDICATORS

Before operating the freezer, it is required that the opera-

tor know the function of each operating control. Refer to

Figure 11 for the location of the operating controls on the

freezer. For the information regarding error codes displayed

on the control panel, refer to the troubleshooting section

of this manual.

D. Cab Off Indicator Light

Right Freezing

A flashing light indicates the Main Freezer Power

Switch is in the OFF position, and no refrigeration is

being supplied to the cab. Place the Main Freezer

Power Switch switch in the ON position for cab

refrigeration.

Cylinder OFF/ON

Left Freezing

Cylinder OFF/ON

E. Pump Switch

Push to Freeze Switch

Clean Switch

Thepumpmotorswitchesarethetwotoggleswitches

located in the upper lefthand side of the refrigerated

cab.WhenaswitchisplacedintheOFFposition,the

pump will not run. When the switch is placed in the

ON position, the pump will run until the preset

pressure is reached, then cycle ON and OFF

as product is drawn to maintain that pressure.

Main Freezer

Power Switch

Cab Off

Indicator Light

F. Push To Freeze Switch

Figure 11. Operating Controls

The PUSH TO FREEZE switch is a membrane or

"snap" switch used to start the freezing cycle.

During initial freeze down, the The Main Freezer

Power switch and Freezing Cylinder Off-On switch

are placed in the ON position. Next, the PUSH TO

FREEZE switch is pressed and held until the drive

motor and compressor turn on.

WARNING

Hazardous voltage

TheMainFreezerPowerswitchmustbeplacedinthe

OFF position when disassembling for cleaning or

servicing. The freezer must be disconnected from

electrical supply before removing any access panel.

Failure to disconnect power before servicing could

result in death or serious injury.

NOTE

After the auger motor starts, there is a 3 second

delay before the compressor starts.

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G. Amber Light

During the normal operation, the amber light next to

L. Dispense Rate Adjusters

The dispense rate adjuster limits the opening of the

spigot. To adjust product dispense rate, turn the

adjustingknobclockwiseforslowerflowandcounter-

clockwise for faster flow. It takes at least five com-

plete turns of the adjusting knob to make a noticable

difference in the dispense rate.

the PUSH TO FREEZE switch will illuminate after

the freezer has been idle for the preset cycles.

Before drawing product, press the PUSH TO

FREEZE switch. A horzontal status bar on the LCD

display will begin to fill the screen as product

freezes down. Wait until at least six bars are

dirsplayed or the green light is illuminated before

dispensing.

M. High Head Pressure Cut Out

Iftheheadpressureexceeds445PSIG(28bar),the

high head pressure cutout will trip. The reset button

can be accessed from the top left corner on the right

side panel of the freezer.

NOTE

If the freezer shuts off and alternating green and

amber lights flash on the control panel, the freezer

is running in the "cab only " mode (both freezing

cylinders are turned off) or the freezer is in an error

condition. Note the display on the LCD screen. If

the screen displays an error, turn the Freezing

Cylinder Off/On switch to the OFF position, correct

the problem and place the Freezing Cylinder Off/

On switch to the ON position. (Refer to Trouble-

shooting in Section 4).

N. Front Door Safety Switch

Thefrontdoorsafetyswitchpreventstheaugerfrom

turning when the front door is removed. The switch

is open when the door is removed and closed when

the door is properly installed.

O. Menu Navigation Buttons

TheMenuNavigationButtonsallowtheusertodisplay

information regarding the freezer's status of opera

tion as well as adjust product consistency.

H. Green Light

The green light is used to indicate that the product

has reached the proper consistency and is ready

to be dispensed. The light begins to flash at 98%

of consistency.

Selection Button (SEL) The SEL button is not

functional in the normal operation mode. This

button is only used by service technicians for

freezer calibration.

Clean Switch

The CLEAN switch is a membrane, or "snap"

switch. When the switch is pushed, the freezing

cylinder's refrigeration system will be OFF and the

auger will rotate for cleaning. The CLEAN mes-

sage will display on the LCD screen. When the

switch is pushed again, the auger will stop and the

amber light will flash indicating the freezer is in the

CLEAN mode. To exit the CLEAN mode turn the

Freezing Cylinder Off/On switch to the OFF

position. If the freezer is left in CLEAN for more

than 30 minutes, it will go in error.

Set Button (SET) Pressing this button will save

a change made to the product consistency set

ting. Refer to Section 4 for consistency adjust

ment procedures.

Left Arrow Button (⇐) Pressing any button on

the control panel will automatically illuminate the

display.Thebacklightwillturnoffseveralseconds

after use. To keep the display constantly light,

pressandholdtheleft(⇐)buttonforfiveseconds.

The backlight function can be reset to normal

operation in the same manner.

J. Drive Motor Overload

The internal drive motor overload will trip if the drive

motor is overloaded. It will reset after approximately

10-12 minutes. If the drive motor continues to trip,

refer to Troubleshooting in Section 4-.

Up Arrow Button (⇑) Pressing this button will

change the value of the product consistency.

Refer to Section 4 for consistency adjustment

procedures.

K. Mix Low Light Indicator

A MIX LOW message will appear on the LCD

display to alert the operator of a low mix condition.

The message will display when there is approxi-

mately one gallon of mix left in the mix container or

when one bag of theBCS is empty. When the MIX

LOW message is displayed, refill the container or

replace the bag immediately.

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CLEANING

3.3IMPORTANTINFORMATIONREGARDING

CLEANINGANDSANITIZING

Is the removal of soil materials from a surface.

Isaprerequisiteforeffectivesanitizing.

Soft serve and shake freezers require special

consideration when it comes to food safety and

propercleaningandsanitizing.

NOTE

An UNCLEAN surface will harbor bacteria that can

defy sanitizing efforts.

The following information specifically covers issues

for cleaning and sanitizing frozen dessert freezers.

This information is meant to supplement a

comprehensivefoodsafetyprogram.

Bacteria can develop and resist sanitizing efforts

within a layer of soil material (milkstone). Thorough

cleaningproceduresthatinvolvemilkstone

removal are critical for operators of frozen

dessertmachines.

Soil Materials Associated with Frozen Dessert

Machines

SANITIZING

MILKFAT/BUTTERFAT–Ascomponentsofice-

cream/frozen custard mix, these soils will

accumulate on the interior surfaces of the machine

and its parts. Fats are difficult to remove and help

attribute to milkstone build-up.

Kills bacteria.

Can be effective on clean surfaces only.

DOES NOT clean or remove milkstone.

NOTE

Using a SANTITIZER on an unclean surface

will not guarantee a clean and safe frozen

dessert machine.

MILKSTONE – Is a white/gray film that forms on

equipment and utensils that come in contact with

dairy products. These films will accumulate slowly

on surfaces because of ineffective cleaning, use of

hard water, or both. Milkstone is usually a porous

deposit, which will harbor microbial

contaminants and eventually defy sanitizing

efforts.

Proper Daily Maintenance:

The Only Way to Assure Food Safety and

Product Quality

Properdailymaintenancecaninvolveawidevariety

of products and procedures. Overall, the products

and procedures fall into three separate categories.

(Please note that this is a brief overview intended for

informationalpurposesonly.)

1. CLEANING–Thisinvolvesdrainingmixfromthe

freezer barrel and rinsing the machine with

water. Next, a cleaner is run through the

Once milkstone has formed, it is very difficult to

remove. Without using the correct product and

procedure, it is nearly impossible to remove a thick

layer of milkstone.

(NOTE:general-purposecleanersDONOTremove

milkstone.) This can lead to high bacteria counts

and a food safety dilemma.

machine. Then, the machine is disassembled

and removable parts are taken to the sink for

cleaning.

IT IS BEST TO CONTROL MILKSTONE ON A

DAILYBASISBEFOREITCANBECOMEA

SIGNIFICANTFOODSAFETYPROBLEM.

2. 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).

In addition to food safety, milkstone can cause

premature wear to machine parts which can add to

costs for replacement 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

CLEANINGvs.SANITIZING

3. SANITIZING – After the machine has been

cleaned and contains no milkstone, the

machineisreassembled. ThenaFDA-approved

sanitizing solution is run through the machine to

kill bacteria. The machine is then ready for food

preparation.

It is important to distinguish between cleaning and

sanitizing. Although these terms may sound

synonymous, they are not. BOTH are required for

adequatefoodsafetyandpropermachine

maintenance.

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As a recommended cleaner and sanitizer for your

frozendessertmachine,STERA-SHEENhasproven

to be one of the best daily maintenance products for:

The ideal concentration of chlorine needs to be 100

ppm (as stated by the FDA).

NOTE

Follow the directions on the container for proper

concentration.

CLEANING–Thoroughremovalofallsolids

including butterfat and milk fat.

MILKSTONEREMOVAL–Completeremovalof

milkstone.

There are two main factors that contribute to falling

chlorine concentrations in a sanitizing solution.

SANITIZING–FDA-approvednorinsesanitizer

for food contact surfaces.

1. PRODUCT USE – As the chlorine in the

solution is being used, chlorine concentrations

fall.

Additional Information

2. TIME – As time passes, small amounts of

chlorine “evaporate” from the solution. (That is

why you can smell it.)

THEUSEOFDELIMERS

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

havedeveloped. Whiletheseproductsarevery

effectiveforremovingHIGHlevelsofmilkstone,they

are not ideal for two reasons:

Sanitizing solutions should not be allowed to fall

below 100 ppm chlorine. New solutions should be

mixed once old solutions become ineffective.

3.4 DISASSEMBLY OF FREEZER PARTS

1. PRODUCT SAFETY – Strong acids are

dangerous chemicals. Carefully follow safety

instructions provided with delimer products.

WARNING

Moving machinery can grab, mangle and dis-

member. Place the ON-OFF toggle switch in the

OFF position before disassembling for cleaning

or servicing. Placing the ON-OFF toggle switch

in the ON position during cleaning or servicing

may result in serious personal injury.

2. MACHINE DAMAGE – Strong acids will attack

metalandrubbercausingprematurewearof

parts. The use of a delimer needs to be closely

monitored to avoid damage to machine surfaces

and parts.

With proper daily use of STERA-SHEEN or it’s

equivalent, there is no need for the use of a

DELIMER.

Beforeusingthefreezerforthefirsttime,completefreezer

disassembly,cleaningandsanitizingprocedureswillneed

tobefollowed.Routinecleaningintervalsandprocedures

must comply with the local and state health codes.

Inspection for worn or broken parts should be made at

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

tomaintaingoodfreezerperformanceandaqualityprod-

uct.Twonormalwearareasaretheaugerflightsandfront

auger support bushing (see Figure 12).

DONOTUSEBLEACH

BLEACHHASABSOLUTELYNO CLEANING

PROPERTIES.

BLEACH IS CORROSIVE. It can and will

damage components of the machine causing

prematurewearandmetalcorrosion.

GENERALPURPOSECLEANERS

To disassemble the freezer, refer to the following steps:

General purpose cleaners do not have the ability to

remove milkstone. Milkstone will become a problem

if not remedied with additional products and

procedures.

Wear Line

THE USE OF CHLORINE TEST STRIPS

“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.

Figure 12. Auger Flight Wear & Front Auger

Support Bushing Wear

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A. Disassembly Of Front Door

1. Remove the front door by turning off the circular

knobs and then pulling the front door off the studs.

2. Remove the air bleed valve by unscrewing the knob

while holding the valve stem from behind. Remove

the compression spring and push air bleed valve

through the rear of the front door.

3. Remove the spigot through the bottom of the front

door (see Figure 13). Remove all O-rings from

spigots.and air bleed valve.

Figure 15. Rear Seal Removal

3.5 CLEANINGDISASSEMBLEDPARTS

Disassembled freezer parts require complete cleaning,

sanitizing and air drying before assembling. Local and

state health codes will dictate the procedure required.

Somestatehealthcodesrequireafoursinkprocess(pre-

wash, wash, rinse, sanitize, air dry), while others require

a three sink process (without the pre-wash step). The

followingproceduresareageneralguidelineonly.Consult

yourlocalandstatehealthcodesforproceduresrequired

in your location.

A. To clean the freezer parts, disassemble all parts.

(Refer to section 3.4 for the disassembly of freezer

parts.)

Figure 13. Front Door Disassembly

B. Disassembly Of Auger

B. Place all front door and auger parts in clean 90° to

110°F (32°C to 43°C) water and wash thoroughly

(four sink procedure only).

1. Remove the front auger support by pulling it

straight out of the freezer barrel.

C. Place all parts in 90° to 110°F (32°C to 43°C) , mild

detergent water and wash thoroughly.

2. Remove the plastic bearing from the front auger

support.

3. Remove the auger by pulling slowly and rotating

out of the freezer barrel. As the auger is

D. Rinse all parts with clean 90° to 110°F (32°C to

43°C)water.

withdrawn, remove each plastic flight and spring

from the auger. Be careful not to scratch inside of

freezer barrel when removing flights or auger.

Remove the spring from each auger flight.

F. Sanitize all freezer parts following procedures out

linedbelow.

3.6 SANITIZING FREEZER PARTS

A. Use a sanitizer mixed according to manufacturer's

instructionstoprovidea100partspermillionstrength

solution. Mix sanitizer in quantities of no less than 2

gallons of 90° to 110°F (32°C to 43°C) water. Allow

the sanitizer to contact the surfaces to be sanitized

for 5 minutes. Any sanitizer must be used only in

accordance with the manufacturer's instructions.

B. Placeallpartsinthesanitizingsolutionfor5minutes,

thenremoveandletairdrycompletelybeforeassem

bling in freezer.

Figure 14. Auger Flight Removal

4. Keep the rear of the auger tipped up once it is

clear of the freezer barrel.

5. Wipe spline lubricant off hex end of auger with a

paper towel. Remove the rear seal. Figure 15.

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3.7CLEANINGTHEFREEZER

CAUTION

Lubricate

with

Socket

Risk of Product Damage

Do not use acid cleaners, strong caustic compounds

or abrasive materials to clean any part of the freezer

exterior or plastic parts.

Lubricant

Lubricate with Petrogel

Figure 16. Rear Seal Lubrciation

The exterior should be kept clean at all times to

preserve the lustre of the stainless steel. A good

grade of stainless steel has been used on the

freezer to ease clean-up. To remove spilled or dried

mix, simply wash the exterior in 90° to 110°F (32°C

to 43°C) , soapy water and wipe dry.

C. Lubricate the hex drive end of auger with a small

amount of white socket lubricant. A small container

of socket lubricant is shipped with the freezer.

Do not use highly abrasive materials as they will

mar the finish. A mild alkaline cleaner is recom-

mended. Use a soft cloth or sponge to apply the

cleaner. For best results, wipe in the direction of the

grain of the steel.

D. Screw the springs onto the studs in plastic flights.

Spring must be screwed into the flights com-

pletely to provide proper tension (see Figure 17).

A. Cleantherearsealsurfacefrominsideofthefreezer

barrel.

B. Using this sanitizing solution and the large barrel

brush provided, sanitize the barrel by dipping the

brush in the sanitizing solution and brushing the

inside of the barrel.

C. Removethereardriptraybypullingfromsidepanel.

Clean and replace drip tray.

3.8ASSEMBLINGFREEZER

Toassemblethefreezerparts,refertothefollowingsteps:

NOTICE

Figure 17. Spring Installation

Petro-Gel sanitary lubricant or equivalent must be

used when lubrication of freezer parts is specified.

E. Install first flights to bottom of auger, rotate, add

successiveflightsfrombottomastheaugerispushed

slowlyintothefreezerbarrel.Carefullyengageauger

with drive socket in speed reducer by rotating auger

slowly and pushing on end of auger.

NOTICE

The United States Department of Agriculture and

the Food and Drug Administration require that lubri-

cants used on food processing equipment be certi-

fied for this use. Use Lubricants only in accordance

with the manufacturer's instructions.

F. Applyathinfilmofsanitarylubricanttotheinsideand

outsideofthefrontaugersupportbearing,thenplace

on the front of the auger. Assemble the front auger

support onto the auger bearing.

A. Assemble all O-rings onto parts dry, without lubri-

cation. Then apply a thin film of sanitary lubrication

to exposed surfaces of the O-rings.

B. Lubricate rear seal area on auger shaft with a thin

layerofsanitarylubricant.InstalltherearsealO-ring.

Lubricate outside of rear seal O-ring with sanitary

lubricant.

NOTICE

Position the front support on auger so legs do not

interfere with the pin on the back of the front door

assembly. Front door must push auger in slightly

when it is being tightened to prevent the rear seal

from leaking.

C. Installstainlesssteelrearsealadapterintorearseal

dry (without lubricant). Lubricate inside surface of

rear seal adapter and install onto auger shaft. DO

NOTlubricateoutsideofrearaugerseal (seeFigure

16).

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G. Assemble O-rings onto the spigot dry, without

lubrication.Thenapplyathinfilmofsanitarylubricant

to the outside of the O-rings and spigot bodies.

H. Install the spigots through the bottom of the front

door ( see Figure 18).

Figure 18. Front Door Assembly

Assemble the air bleed valve O-ring onto the air

bleed valves. Position the O-ring in groove close to

thewidepart. Applyathinfilmofsanitarylubricantto

the O-rings.

Insert the air bleed valves from the back of the front

door. Install compression springs onto air bleed

valves, then screw knobs on finger tight.

K. Apply a thin film of sanitary lubricant to the door seal

O-rings, and fit into the grooves on the rear of the

frontdoor.

L. Placethefrontdoorassemblyonthemountingstuds

and push front door against the freezer carefully.

M. Secure front door assembly by placing the knobs on

the studs and alternately tighten opposite corners

until finger tight only. Do not overtighten. Proper

O-ringsealcanbeobservedthroughthetransparent

frontdoor.

N. Move the spigot handles to the closed position.

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3.9 SANITIZING

C. Let sanitizing solution fill the freezer barrel to air

bleed valve, then close the valve by pulling out to

lock in place.

Sanitizing must be done after the freezer is clean and just

before the freezer is filled with mix. Sanitizing the night

before is not effective. However, you should always clean

the freezer and parts after using it.

D. Place the Freezing Cylinder Off-On toggle switch

in the ON position then press the CLEAN switch.

WARNING

CLEAN

The United States Department of Agriculture and

the Food and Drug Administration require that

all cleaning and sanitizing solutions used with

food processing equipment be certified for this

use.

CleanSwitch

When sanitizing the freezer, refer to local sanitary regu-

lations for applicable codes and recommended sanitiz-

ing products and procedures. The frequency of sanitiz-

ing must comply with local health regulations. Mix sani-

tizer according to manufacturer’s instructions to provide

a 100 parts per million strength solution. Mix sanitizer in

quantities of no less than 2 gallons of 90°F to 110°F (32°C

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.

Figure 20. Clean Control

E. Check for leaks when the freezing cylinder is first

pressurized with sanitizing solution.

1. Check for leaks at the front door seals.

2. Check the drain located above the center of the

Drip Tray for leaks coming from the rear of the

Rear Auger Seal.

3. Check inside the cab unit for leaks at hose con

nections.

F. Using a sanitized soft bristle brush or equivalent,

dipped in sanitizing solution, clean mix container.

G. After five minutes, open spigot to expel sanitizing

solution. Drain all solution from freezer using all three

spigots.

H. When solution has drained, press the CLEAN

switch to stop the auger and placeFreezing Cylin-

der Off-On toggle switch in the OFF position. Allow

the freezer barrel to drain completely.

Air Bleed Valves

Figure 19. Air Bleed Valves

The freezer is now sanitized and ready for adding mix.

CAUTION

3.10 INITIAL FREEZE DOWN AND OPERATION

This section covers the recommended operating proce-

dures to be followed for the safe operation of the freezer.

Risk of Product Damage

Avoid prolonged contact of sanitizer with freezer parts.

Prolonged contact of sanitizer with freezer may cause

corrosion of stainless steel parts.

A. Sanitize just prior to use according to instructions

outlined in this manual.

B. If using standard mix containers, prepare the de-

sired amount of mix and then fill each storage con-

tainer with approximately 2.5 gallons or more of mix.

Atach mix inlet probes to container. Place mix con-

tainers in the refrigerated cabinet. If drawing from

a BCS system, place bags into mix container, re-

move the cap and push out all of the air. Insert adap-

tor sinto the bags.

A. Prepare 3 gallons of sanitizing solution following

manufacturer's instructions, and pour into storage

container.

B. Place the mix pump switch in the ON position and

open air bleed valve on the front door by pushing

valve in and holding (see Figure 19).

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seconds before dispensing additional product. After a

while the operator will sense or feel when the freezer is

beginning to fall behind, and will slow down on the rate

of draw so as not to exceed the freezer's capacity.

Do not operate the freezer when the MIX LOW light is

on or with less than 1-3/4" (4.4 cm) of mix in the

mix container. Refill the mix container immediately.

MixPump

Switches

Cab Door

Switch

NOTE

The freezer has a standby and sleep mode. When

the freezer is not used, after a preset number of

freezing cycles, it will enter the stand by mode

( followed by sleep mode) and remain there until

someone draws a product or pushes the push-

to-freeze switch. In the sleep mode, the freezer

will keep the product below 45°F (7.2°C). Sleep

modes are not to be used in place of cleaning

and sanitizing. Frequency of cleaning and sani-

tizing is determined by Federal, State, and local

regulatory agencies.

Figure 21. Refrigerated Cabinet

C. Place the mix pump switch in the ON position. The

mix pump switch is located in the upper left hand

corner, inside the refrigerated cabinet (see Figure

21). Immediately open the spigot and let approxi

mately 8 ounces of liquid mix with sanitizing solu

tion drain out of the spigot.

D. Close the spigot and open the air bleed valve on the

front door by pushing the valve in and holding. Allow

the barrel to fill until the mix level is 1/2" (2.7 cm)

below air bleed valve, then release valve and pull

closed to lock in place.

Spigot Rate

Adjusters

E. Place the OFF-ON switch in the ON position, then

press and hold the PUSH TO FREEZE switch until

the freezer starts.

NOTE

Figure 22. Dispensing Product

After the Drive Motor starts, there will be a 3

second delay before the Compressor starts.

3.11MIXINFORMATION

Mix can vary considerably from one manufacturer to

another.Differencesintheamountofbutter-fatcontentand

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.

F. After about 6 to 10 minutes the freezer will shut off

and the green lens will illuminate. SERVE will be dis

played on the LCD screen. The product will be

ready to serve. Freeze down time may be shorter

for some frozen diet dessert mixes. High ambient

temperatures may extend freeze down time.

Proper product serving temperature varies from one

manufacturer's mix to another. Mixes should provide a

satisfactoryproductinthe17°to20°F(-7° to-6°C)range.

Diet andlow-carbmixestypicallyfreezetoproperconsis-

tency at higher temperatures.

G. The refrigeration is automatically actuated when

the spigot is opened.For normal dispensing, move

the spigot handle fully open. This position provides

excellent control over the product and aids in

making desired shaped portions. Spigot Rate

Adjusters are located under the Header Panel, to

the immediate right of eachSpigot Handle. Turning

the Spigot RateAdjuster clockwise will increase

the dispense rate (see Figure 22).

When checking the temperature, stir the thermometer in

the frozen product to read the true temperature.

Mixdoesnotimprovewithage.Oldmix,ormixthathasbeen

stored at too high a temperature, can result in a finished

productthatislessthansatisfactoryfromtheappearance

and taste standpoint. To retard bacteria growth in dairy

based mixes, the best storage temperature range is

between 36° to 40°F (2.2° to 4.4° C).

The freezer is designed to dispense the product at a

reasonable draw rate. If the freezer is overdrawn, the

result will be a soft product and air pops. If this should

occur, allow the freezer to run for approximately 30

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3.12 OPERATION OF MIX PUMP

C. Theover-runadjustmentispresetatthefactory.Ifan

adjustment becomes necessary, refer to Section 4.

The mix pump switch is located in the upper left hand

corner, inside the refrigerated cabinet. When the pump

switch is placed in the ON position, the mix pump motor

will be actuated to pump mix into the freezer cylinder.

When the set pressure is reached, the mix pump will shut

off automatically. When the switch is placed in the OFF

position, the mix pump will be inoperative.

NOTICE

Any cleaning procedure must always be followed

by sanitizing before filling freezer with mix. (Refer to

section 3.3)

3.13 MIX PUMP CLEANING

NOTE

The mix pump is approved for CIP (clean in place) and is

thoroughlycleanedascleaningsolutionsarepumpedthru

the freezer. We recommend completely disassembling

thepumpandconnectingtubingevery14daysforinspection

ofpartstoconfirmtheCIPhasbeenproperlyperformed.If

any residue is detected clean or replace those parts as

outlinedbelow.

The mix pump motor is equipped with an internal

overload that will “trip”, disabling the pump when the

motor is overloaded. Consult the trouble shooting

section for corrective information.The internal over-

load will automatically reset after cooling. If the con-

dition continues, contact a qualified service person.

1. Place the OFF-ON switch in the ON position and

press the CLEAN switch. Allow the auger to agitate

for 5 to 10 minutes.

CAUTION

Risk of Product Damage

2. Remove suction tube from mix container. Draw off the

mix remaining in freezer barrel.

Mix pump hose must be repositioned every 1 -2 weeks

or 60 hours of operation. Failure to comply will result

in reduced mix pump liquid capacity, dispense stop-

page, popping, and possible mix pump hose leak-

age. Hose leakage may damage the pump roller as-

sembly and void the factory warranty.

3. Pump 2 gallons (7.5 liters) of cold potable water thru

freezer until water at spigot is free of mix.

4. Pump 2 gallons (7.5 liters) of 90° to 110°F (32°C to

43°C) detergent solution water thru freezer. The use

of soft water is recommended, along with dishwashing

detergents such as “Joy,” “Dawn,” or equivalent.

A. Mix Operation: The peristaltic mix pump contains

onecontinuousmixpumphose.Whenlookingatthe

face of the peristaltic mix pump, the left side of the

hose is the suction or pickup. The right side of the

hose is the discharge. Mix is drawn up the suction

side of the hose and transferred thru the discharge

side to the freezer (see Figure 23).

5. Place mix pump switch in OFF position. Open spigot

to relieve remaining pressure.

6. Press the CLEAN switch to stop the auger and place

the OFF-ON toggle switch in the OFF position.

B. AirOperation:Theaircompressoroperateswhenever

the peristaltic mix pump is running. Air enters thru a

check valve on the piston downstroke. The air is

discharged thru a second check valve, on the piston

upstroke. The air and mix join at the tee and then

traveltothefreezer.

3.14 DISASSEMBLY AND INSPECTION OF

REMOVABLE PARTS

Inspection of removable parts should be made whenever

maintenance is performed or pump requires disassembly.

WARNING

Air Line

Air/mix to

Freezing Cylinder

Hazardous Moving Parts

Revolvingpumpheadcangrab, mangle, andcause

serious crushing injury. The Power switch must be

placed in the OFF position for cleaning and power

must be disconnected when disassembling or

3-way

Tee

servicing.

Mix

Discharge

CAUTION

Mix

Intake

System Under Pressure

Never disconnect hoses from freezer or pump without

first opening spigot to relieve pressure.

Figure 23. Mix Pumps

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NOTE

If the mix lines or air line is difficult to remove, soften

with a rag soaked in hot water. Hose connections

may be sprayed with Haynes Sanitary Lubricant for

ease of removal. Do not loosen or remove the mix

pump cover wingnuts. Maintain the mix pump hose

in its operational condition.

1. Loosen clamp and remove air hose from pump

compressor.

2. Loosen clamp and disconnect mix pump hose.

Remove the pickup hose, mix check valve and pickup

hose adapter (and bag adapter if applicable) as an

assembly from mix container.

3. Completely disassemble both hose assemblies and

check valve. Place hoses, tee, check valve assem-

bly, and pickup hose adapter in 90° to 110°F (32°C to

43°C), mild detergent water and wash thoroughly. Use

soft bristle brushes to clean inside of fittings. Rinse

all parts in clean 90° to 110°F (32°C to 43°C) water

(see Figure 24 and 25).

Figure 25. Removable Parts for optional BCS

4. Carefully inspect each part for wear or damage.

Replace worn or damaged parts.

5. Wash feed tube and air tube with 90° to 110°F deter-

gent water and brushes provided. Rinse with clean,

90° to 110°F water (See Figure 26 and 27).

6. Prepare two gallons (7.5 liters) of sanitizing solution

using a USDA certified grade sanitizing solution.

Sanitize all removed parts, then air dry.

7. Check Hose Service Record decal to determine if

hose reposition or replacement is required at this

time.

Figure 26. Cleaning Air Tube

8. Reassemble both hose assemblies per the diagram

located on the inside of the cab door. Reconnect

assemblies to the pump and discharge hose, using

the clamps. (Refer to Section 2.5 Mix Pump).

9. Sanitize assembled freezer as per instructions

outlined in Section 3.9.

Figure 27. Cleaning Feed Tube

Figure 24. Removable Parts

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THIS PAGE INTENTIONALLY BLANK

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SECTION 4

MAINTENANCE INSTRUCTIONS

4.1 PRODUCT CONSISTENCY ADJUSTMENT

4.3 OVERRUN ADJUSTMENT

The freezer's control system monitors the consistency The product when served is a combination of air and mix.

(firmness) of the product (mix) in each freezing cylinder. Overrunisameasureoftheamountofairblendedintothe

Theprogrammodulesensestheconsistencyoftheprod- mix.

uct and shuts off the drive motor and refrigeration system

when the pre-programmed consistency is reached. The Overruncanbeexpressedintermsoftheamountofweight

controlpanelsonthefrontofthefreezerallowtheoperator loss for a given volume. For example, if a pint of liquid mix

to adjust each freezing cylinder to create the desired weighs18ounces(510grams)andapintoffrozenproduct

product consistency.

withairaddedweighs12ounces(340grams),theoverrun

is said to be 50 percent "18 oz. (510 grams) - 12 oz. (340

A. Place the Main Freezer Power and Freezing Cylinder grams) = 6 oz. (170 grams)", (6 /12) x 100 = 50%.

OFF/ON switches in the ON position.

The overrun can be checked by placing a one pint

B. Press the SET button on the Control Panel once. containeronanicecreamscaleandzeroingoutthescale.

Fine Adj will appear on the LCD screen.

Then fill a one pint container with frozen product. The

container should be filled over the top and leveled with a

C. Press the up arrow button (⇑) until the desired consis- straightedge. The product should not contain any air

tency setting is displayed. The higher the number, the pockets. When weighed on an ice cream scale, one pint

greatertheproductconsistency.Thecontrolmaybeset (473 milliliters) of product should weigh 12 to 13 ounces

from 1 to 9. Each time the up arrow (⇑) button is (340 to 368,5 grams).

pressed, the value will increase by 1 until the value The mix pump has been preset at the factory to produce

reaches9,thenrestartat0.The0settingcannotbeset. a product with approximately 40% overrun. Because of

differencesinmixformulation,temperaturesandbaromet-

D. Press the SET button once to save the setting change ric pressure, this figure may vary. It will be necessary for

and return to the current mode display.

approximately2gallons(7,5liters)ofmixtobepumpedthru

the freezer before changes in the product are noticeable

due to adjustments in overrun.

FineAdj

1-9

Overrun is controlled by the length of the air compressor

piston stroke within the piston cylinder. Lengthening the

stroke within the cylinder will increase overrun. Con-

versely, shortening the stroke will decrease overrun. To

perform an overrun adjustment, refer to the following

procedure:

A. Turn the mix pump switch to the OFF position.

Disconnect both power sources/circuit breakers.

B. Remove the lower back panel from freezer.

C. On air compressor side of pump, locate the long/

slender piston rocking arm. The rocking arm down-

ward travel is limited by a stationery cam. On the

face of the cam there is an overrun setting indicator

plate numbered 3 thru 8 and an adjustment knob.

Figure 29.

Figure 28. Product Conststency Control

4.2 LOCKING OUT CONTROL PANEL

TheIntelliTeccontrolhasatamperproofmodetoprevent

unauthorized use. When set, all buttons on the control

panel are disabled. To lock out the control panel:

A. Press and hold the PUSH TO FREEZE button for 5

seconds.

B.WhilestillholdingthePUSHTOFREEZEbutton,press

the CLEAN button once.

C. Releasebothbuttons. Anastrisk(*)willapearafterthe

word MODE on the display, indicating that the control

is in the lock out mode.

OverrunAdjustment

D. To unlock the control panel, repeat steps A, B and C.

Figure 29. Overrun Adjustment

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D. The overrun setting is indicated by a pointed pin.

4.6 DRIVE BELT TENSION ADJUSTMENT

To check belt tension, refer to Figure 30 and follow the

stepsbelow:

E. To adjust overrun, loosen the allenhead screw

(located within the center of the adjustment knob)

with the 5/32" (4mm) allen wrench provided. Rotate

the adjustment knob counterclockwise to a higher

number for higher overrun, or clockwise to a lower

number for lower overrun. Each number multiplied by

10 represents the overrun percentage (ie: #4 = 40%

overrun).

F. Tighten the allen screw, then place the wrench back

in its clip. Replace the lower back panel and secure

with the four screws. Turn the mix pump power switch

to the ON position.

WARNING

Hazardous Voltage and Moving Parts

Never attempt to repair or perform any maintenance

on freezer until all main electrical power to freezer

has been disconnected. Failure to disconnect

electrical power before servicing may result in

serious injury or death.

A. Remove either side and back panels.

B. Press firmly on one belt. Figure 30.

4.4 MIX PUMP HOSE REPOSITION (every one or

two weeks.)

NOTE

Mix pump hose must be repositioned every 1 - 2

weeks. Failure to comply will result in reduced mix

pump liquid capacity, dispense stoppage, popping,

and possible mix pump hose leakage.

C. When the tension is properly adjusted, the belt

should deflect approximately 3/8" (about the width

of the belt).

1. Run cleaning solution through pump.

2. Turn pump off and relieve any pressure by

opening the spigot.

3. Grasp the pick-up hose end of the mix pump

hose with one hand and turn the pump on. Pull

down on the pick-up hose end until 12 to 14"

(30-1/2 to 35-1/2cm) of tubing has reverse fed

through the pump, then turn the pump off.

4. Loosen small clamp at the pick-up hose

adapter and (Viewed from Back) disconnect

mix pump hose.

5. Cut 7-1/2" (19 cm) off the end of the mix pump

hose.

Figure 30. Belt Adjustment

6. Reconnect mix pump hose to adapter.

7. Continue normal operation. Mix hose will

automatically reposition itself with adapter near

black cover.

D. Ifanadjustmentisnecessary,removethesidepanel.

Turn the jack screw located on the motor bracket,

clockwise to increase belt tension or counterclock

wise to decrease belt tension.

NOTE

Each hose is long enough for 3 repositions before

replacement is required. Record each event on

Hose Service Record decal.

4.5 MIX PUMP HOSE REPLACEMENT

NOTE

Mix pump hose must be replaced when tubing can-

not be further repositioned (every four to eight

weeks). Failure to comply will result in hose failure

and possible pump damage. See Section 2.5 for

instructions on mix pump hose replacement.

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A. DailyChecks

Check for any unusual noise or condition and repair

immediately.

B. MonthlyChecks

1. Check drive belts for wear and tighten belts if

necessary. (Refer to Section 4.5.)

2. Check the condenser for dirt. (Refer to Section

4.6).

4.9 EXTENDED STORAGE

Refer to the following steps for winterizing the freezer or

for storing the freezer over any long period of shutdown

time.

Figure 31. Removing Condenser Filter

NOTE

A. Clean thoroughly with warm detergent all parts that

come in contact with mix. Rinse in clear water and

dry all parts. Do not sanitize.

Belt life will be increased if new drive belts are tight-

ened after two or three weeks of operation.

4.7 CONDENSER CLEANING

The condenser requires periodic cleaning. To clean the

condenser, refer to the following steps:

NOTE

Do not let cleaning solution stand in freezer barrel

or mix pump during the shutdown period.

B. Remove, disassemble, and clean the front door,

auger shaft, and mix pump. Leave disassembled

during the shutdown period.

A. Lift the condenser filter off the freezer cover panel.

Visually inspect the condenser filter for dirt (see

Figure 31).

C. Place plastic auger flights in a plastic bag with a

moist paper towel. This will prevent flights from

becoming brittle if exposed to dry air over an

extended period of time (over 30 days).

B. Ifthecondenserfilterisdirty,vacuumorbrushclean,

rinse with clean water and allow to dry before replac

ing on freezer.

NOTE

E. Place the mix pump ON-OFF switches, Left and

Right Freezing Cylinder switches and the

If the condenser is not kept clean, loss of refrig-

eration efficiency will result.

Main Freezer Power switch in the OFF position.

F. Disconnect from the source of electrical supply in

the building.

4.8PREVENTATIVEMAINTENANCE

Itisrecommendedthatapreventativemaintenancesched-

ule be followed to keep the freezer clean and operating

properly. The following steps are suggested as a preven-

tativemaintenanceguide.

4.10 ERROR CODES

The following error condition codes will display on the

controlpanelwhenthefreezerisexperiencingaproblem.

Theerrorconditioncodedirectsyoutothesystemlocation

of the malfunction.

WARNING

ERRORCODE

MALFUNCTION

Program Board

Hazardous Voltage and Moving Parts

Never attempt to repair or perform any maintenance

on freezer until all main electrical power to freezer

has been disconnected. Failure to disconnect

electrical power before servicing may result in

serious injury or death.

High Torque Error

Extended Run Time Error

Clean Error

Freezing Cylinder Sensor

(not used on F431 models)

Drive Motor Current

Cab Sensor

TheUnitedStatesDepartmentofAgricultureandtheFood

and Drug Administration require that lubricants used in

food zones be certified for this use. Use lubricants only in

accordance with the manufacturer's instructions.

High Pressure Cutout

Any error causing condition must be corrected, then the

powerturnedoff,andbackonbeforethefreezerwillreturn

to normal operation.

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4.11 TROUBLESHOOTING

ERRORCONDITIONCODE04

ERRORCONDITIONCODE01

If the freezer is left in the Clean Mode for more than 20

minutes,thecontrolpanelwilldisplayaCleanError(Error

04). This condition does not reflect a problem with the

freezeritself. TheCleanErrorhasbeenprogrammedinto

the controller as a safeguard to protect the freezer from

potentialdamagecausedbythefreezerbeingaccidentally

left in the clean mode. To remedy the Clean Error, place

the Freezing Cylinder Off-On Switch in the Off position,

wait 10 seconds, and return the switch to the On position.

If the Control Panel still displays the error condition code,

callyourAuthorizedStoeltingDistributorforfurtherassis-

tance.

If the control panel displays a program board error (Error

Code01),placetheFreezingCylinderOff-OnSwitchinthe

Off position, wait 10 seconds, and return the switch to the

On position. If the Control Panel still displays the error

condition code, call your Authorized Stoelting Distributor

for further assistance.

ERRORCONDITIONCODE02

Ifthecontrolpaneldisplaysahightorqueerror(ErrorCode

02), the controller has sensed that the product in the

freezingcylinderhasreached125%ofsetconsistencyfor

10 or more seconds. This condition may be caused if the

productconsistencyadjustmenthasbeensettoohigh.To

remedythiscondition,placetheFreezingCylinderOff-On

Switch in the Off position, wait until the product in the

freezing cylinder has had adequate time to thaw to a

reasonably soft consistency, and return the switch to the

On position. Follow the Product Consistency Adjustment

procedures at the begining of this section and reduce the

FineAdjustmentvaluebyafewpoints.IftheControlPanel

stilldisplaystheerrorconditioncode,callyourAuthorized

Stoelting Distributor for further assistance.

ERRORCONDITIONCODE05

If the control panel displays a Freezing Cylinder Sensor

error(ErrorCode05), placetheFreezingCylinderOff-On

Switch in the Off position, wait 10 seconds, and return the

switchtotheOnposition. IftheControlPanelstilldisplays

the error condition code, call your Authorized Stoelting

Distributor for further assistance.

NOTE

WhenthefreezerencountersaFreezingCylinderSensor

Error, the freezer will automatically be switched to run on

pre-configured timing cycles. This mode will allow you to

continueservingproductuntilthefreezercanbeserviced.

ERRORCONDITIONCODE03

Extended run time errors (Error Code 03) are often times

caused by the mix running too low in the freezer’s mix

container, or if a restriction is preventing the mix from

entering the freezing cylinder. Check the mix level on the

affected freezing cylinder. If the level mix is low, add mix.

Lookforicecrystalsintheliquidmixcontainer.Icecrystals

canclogthemixinletsystem,andpreventmixfromentering

the freezing cylinder. If you find ice crystals in the mix,

checkthetemperatureofthewalk-incoolerwherethemix

is stored and the temperature of the freezer’s cab. If the

freezer’s cab is below 34°F (1°C), call your Stoelting

Authorized Distributor for assistance in adjusting the

freezer cab temperature.

Checktheconditionoftheneoprenehoserunningthrough

the mix pump head. If it shows signs of wear, rotate or

replace it as outlined in Section 2.5 of this manual.

Excessive compressor run time may also occur if the

condenser filter is dirty, or if the condenser is obstructed.

Check the top of the freezer, to be sure nothing has been

placed on top of the condenser.

ERRORCONDITIONCODE07

If the control panel displays a Drive Motor Current error

(Error Code 07), place the Freezing Cylinder Off-On

Switch in the Off position, wait 10 seconds, and return the

switchtotheOnposition. IftheControlPanelstilldisplays

the error condition code, call your Authorized Stoelting

Distributor for further assistance.

ERRORCONDITIONCODE08

If the control panel displays a Cab Sensor error (Error

Code08),placetheFreezingCylinderOff-OnSwitchinthe

Off position, wait 10 seconds, and return the switch to the

On position. If the Control Panel still displays the error

condition code, call your Authorized Stoelting Distributor

for further assistance.

After the cause of the problem is found and remedied,

place the Freezing Cylinder Off-On Switch in the Off

position, wait 10 seconds, and return the switch to the On

position. If the Control Panel still displays the error

condition code, call your Authorized Stoelting Distributor

for further assistance.

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ERRORCONDITIONCODE09

Error 09 conditions are usually caused by insufficient

cooling at the freezer's condenser. If the control panel

displays a High Pressure Cutout error (Error Code 09),

turnthefreezerpoweroff.PresstheHighPressureCutout

Reset Switch located on the upper, left hand corner of the

left side panel. There is a round, black boot covering the

reset switch. Pressing in the center of the boot will reset

the switch.

Inaircooledcondensermodels,checktheairfiltertomake

sure it is clean (see section 4.6). Replace the filter as

required. Check for proper air clearance around the

freezer. The freezer must have a minimum of 3" (7,5cm)

of space on all sides and 10" (25cm) at the top for proper

circulation. Aminimumof6"(15cm)clearanceisrequired

in high ambient conditions.

On water cooled condenser models, check for proper

waterflow through the condenser coil. After the cause of

the error is determined and corrected, turn on the Main

Freezer Power Switch and place the Freezing Cylinder

switch to the on position. If the Control Panel still displays

the error condition code, call your Authorized Stoelting

Distributor for further assistance.

ALTERNATINGFLASHINGCONTROLPANELLIGHTS

When the Main Freezer Power Switch is placed in the

ON position and the left Freezing Cylinder OFF/ON switch

is left in the OFF position, the green and amber control

panel lights will flash in alternating sequence. This indi-

cates that the storage cabinet is being refrigerated, but

the left freezing cylinder is not receiving power. Placing

the left Freezing Cylinder OFF/ON switch in the ON posi-

tion will return the freezing cylinder to the SLEEP mode.

Pressing the PUSH TO FREEZE button will begin the

freezing cycle.

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The Troubleshooting Tables on the following three pages list the common problems that can occur to the freezer.

FREEZER

PROBLEM

FREEZER POSSIBLE CAUSE

REMEDY

Drive motor (auger)

"kicks-out", or does

not run.

1. Power to freezer is off.

2. Drive motor overloaded.

1. Check power to freezer.

2. Wait 15-20 min. for Thermo overload

to reset.

3. Low line voltage.

3. Check, must be +\-10% of

nameplate voltage.

4. Product too hard.

4. Raise overrun and/or decrease product

consistency. (See Section 4.2 or 4.1)

5. Install front door securely.

5. Front door not installed securely.

Compressor does not

operate.

1. Power to freezer if off.

2. Drive motor overloaded.

1. Check power to freezer.

2. Wait 15-20 min. for Thermo overload to

reset.

3. Low line voltage.

3. Check, must be +/-10% of nameplate

voltage.

4. Compressor internal overload is

cut-out.

4. Check condenser and clean air filter

(See Sect. 4.6)

5. Front door not installed securely.

5. Install front door securely.

Product too soft.

1. Product consistency setting is too

low.

1. Increase Fine Adj. setting. (See Section

4.1)

2. Product break down.

3. Freezer in Sleep mode.

2. Fill with fresh product.

3. Press Push to Freeze button.

Freeze-up. (Product

will not dispense

easily.)

1. Product consistency setting is too

high.

2. Low overrun setting.

3. Low pump pressure.

4. Large air pocket in freezing

cylinder.

1. Decrease Fine Adj. setting. (See

Section 4.1)

2. Raise overrun. (See Section 4.2)

3. Check pump pressure.

4. Purge air from freezing cylinder.

5. Auger turning counter-clockwise.

5. Change rotation to clockwise.

Rear auger seal leaks. 1. Rear auger seal not lubricated.

2. Seal or O-ring missing or installed

incorrectly.

1. Lubricate seal. (See Section 3.8)

2. Check. (See Section 3.8)

3. Worn or scratched shaft.

3. Replace shaft.

Spigot leaks.

1. Spigot parts are not lubricated.

2. Chipped or worn O-rings.

1. Lubricate. (See Section 3.8)

2. Replace O-rings.

3. O-rings on spigot installed wrong.

4. Nicks or scratched on front door

where spigot is located.

3. Remove spigot and check O-rings.

4. Replace front door.

Drive belt slipping or

squealing.

1. Drive belt tension not correct.

2. Worn belt.

1. Adjust belt tension. (See Section 4.5)

2. Replace belt.

3. Consistency setting is too high.

4. Low overrun.

3. Adjust consistency. (See Section 4.1)

4. Check for air leak.

Mix temperature too

warm in cab.

1. System low on refrigerant.

2. Temperature control set too

warm.

1. Add refrigerant. (Refrig. Service)

2. Contact your local Stoelting Distributor.

Mix temperature too

cold in cab.

1. Temperature control set too cold.

1. Contact your local Stoelting Distributor.

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MIX PUMP

1. PUMP MOTOR DOES NOT RUN

Power to pump is off.

Supply power to pump.

Low voltage.

Check for low line voltage.

Mix pump hose jammed inside black cover/clamp.

Disconnect pump from power source. Remove four

cover/clamp thumb screws. Separate cover/clamp

halves and remove outer half. Remove jammed hose.

Re-install cover/clamp and tighten four thumb screws

securely. Allow motor thermal overload to reset. See

Sec. 2.5 for hose replacement. Do not use jammed

portion of hose.

Pump motor overloaded.

Allow internal thermal overload to reset; determine

overload cause and repair.

Pressure switch on pump is defective.

Defective motor/capacitor

Contact your local Stoelting Distributor.

Defective toggle switch.

2. PUMP OPERATES BUT CYLINDER WILL NOT FILL

NOTE 1: A PROPERLY WORKING PUMP WILL FILL AN 8 OZ. CUP WITH MIX IN ABOUT 9 SECONDS.

NOTE 2: IMMEDIATELY AFTER A "BAG CHANGE" THE PUMP MAY BE UNABLE TO RE-ESTABLISH IT'S

PRIME WITH THE SYSTEM AT OPERATING PRESSURE. IN THIS CASE, TURN THE PUMP OFF. DRAW 2-3

PINTS TO REDUCE SYSTEM PRESSURE TO ZERO. TURN PUMP ON. PURGE REMAINING AIR IN MIX BAG

AND PICK-UP HOSE.

IMPORTANT: Before connecting the pick-up hose to the mix bag, purge the mix bag of air to the extent

possible.

Out of Mix.

Replenish mix supply.

MIx pump hose kinked inside black cover/clamp.

Hoses assembled incorrectly.

Mix pump hose service life is exceeded.

Mix pump hose not connected to freezer.

Ice crystals in mix.

Follow mix pump hose jammed repair. (See #1 above.)

Refer to diagram for correct hose connections.

Reposition/replace mix pump hose. See Sec. 2.5.

Connect mix pump hose to freezer.

Completely thaw mix prior to use.

Mix bag drawn against adapter.

Foreign objects in mix.

Assure bag is clear of pick-up tube.

Clear blockage. Use fresh mix.

Mix Check Valve is installed backwards.

3. OVERRUN TOO LOW OR NO OVERRUN

Overrun setting too low.

Observe flow arrow for proper orientation.

Increase overrun setting.

Air leak.

Tighten all hose clamps.

Air compressor not pumping air.

4. OVERRUN TOO HIGH

Contact local Stoelting Distributor.

Mix pump hose service life is exceeded.

Out of mix.

Reposition/replace mix pump hose.

Replenish mix supply.

Overrun setting too high.

Decrease overrun setting.

See Section 2.5.

Pick-up leg of mix pump hose is collapsing.

NOTE: ALSO SEE "2" ABOVE.

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5. REPLACEMENT MIX PUMP HOSE WON'T FEED THROUGH PUMP

Feeding hose into discharge hole of mix pump cover.

Hose ends not cut squarely.

Feed hose into pick-up side of cover.

Carefully cut hose end off squarely (no tails).

Force feeding too quickly.

Gently and slowly assist feeding of hose up into pick-up

hose side of cover.

Pump motor not running.

Turn on motor switch. Also see Item 1 above.

6. AIR EXITING MIX PICK-UP HOSE

Pickup tube check valve missing.

7. DISPENSED PRODUCT AIR "POPS"

Overrun setting too high.

Contact local Stoelting Distributor.

Reposition/replace mix pump hose.

Reduce dispense rate.

Mix pump hose service life is exceeded.

Overdrawing the freezer's capacity.

Recent "mix-out" condition.

Open spigot fully and allow excess air to "belch" out.

NOTE: ALSO SEE 2 & 4 ABOVE.

8. MIX LEAKAGE FROM PUMP

CAUTION: To prevent mix pump damage from dried mix deposits, immediately disassemble and clean

pump.

Mix pump hose service life is exceeded.

Remove mix pump hose. Disconnect pump from power

source. Remove mix pump cover/clamp. THOROUGHLY

rinse three squeeze rollers using a spray bottle filled

with hot water. Thoroughly clean all mix from pump. See

Sec. 2.5 for hose replacement.

9. PUMP HAS POOR CAPACITY

NOTE: See 2, 4, 6 & 7.

10. PUMP IS NOISY/SQUEAKING

NOTE: THE ACTION OF THE AIR COMPRESSOR ROCKING ARM CREATES A REPETITIVE CLICKING

SOUND DURING OPERATION. THIS IS NORMAL.

11. MIX IN AIR HOSES

Air/mix tee above black cover/clamp.

Air leak.

Air/mix tee must be below black cover/clamp.

Tighten all hose clamps.

Mix hose on wrong air/mix tee fitting.

Refer to diagram for correct hose connections.

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SECTION 5

HOW TO ORDER REPLACEMENT PARTS

5.2PARTSLISTANDREFERENCEDRAWINGS

The following lists and drawings will aid the user when

orderingpartsorservicing.

5.1 HOW TO ORDER REPLACEMENT PARTS

To assure the receipt of the proper replacement parts,

supply your Stoelting Authorized Distributor with the

followinginformation:

A. Modelnumberofequipment.

B. Serial number of model (stamped on nameplate)

C. Part number, part name, and quantity needed.

FRONT DOOR PARTS

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AUGER PARTS

AUGER AND DOOR

MISCELLANEOUS PARTS

Description

Part No.

Haynes Spray 12 oz.(340 grams) -------------------- 508017

Petro-Gel Tube 4 oz. (113 grams) --------------------508135

Spline Lubricant 2 oz. (57 grams) --------------------508048

Brush 4"x 8"x16" (10cm x 20cm x 40,5cm) -------208135

Brush 2.5"x 4"x12" (6,5cm x 10cm x 30,5cm)---- 208146

Brush .25"x 4"x14" (,6cm x 10cm x 35,5cm) ----- 208380

Brush 1"x3.5"x18" (2,5cm x 9cm x 45,5cm) ------208465

Drip Tray --------------------------------------------------- 744273

Drip Tray Grid --------------------------------------------- 417006

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MIX PUMP PARTS

TUBE ROUTING

(ONLY ONE SIDE SHOWN)

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DECALS

Qty.

Part Number

Description

324200

324798

324797

324800

324799

324141

324509

324014

324686

723525

324106

H.P. Manual Reset

Clean-Off-Serve

Standby/Serve

Cab Off-On

Pump Off On

Caution, Haz. Rot. Blade - Front Panel

Cleaning - Right Side

Auger Rotation - Evap. Enclosure Rear

Danger - Start Auto, on Evap. Support between belts & motors support brkt.

Winterizing, Attach to water hose near bottom

Caution - Elec. Wiring Mat'ls must conform between water couplings, one rear

panel bottom

324346

324107

324208

723552

723517

Caution - Haz. Mov. Parts, on inside of mtr support brkt @ rear

Caution - Haz. Mov. Parts, on cond. bkt. rear & (2) on evap. enclosure sides

Attn - Ref. Lk Chk, on evap. enclosure sides

Tag - Supply volt., inside J-Box

Card - Inside one J-Box

ID Tags, Back Panel Top

324548

Add. Vent Back Panel Ctr Top

Made in U.S.A. - Back panel

324103

324151

324125

324242

324565

324158

324566

130000

324065

324803

324804

324806

Caution - Rot. Shaft, on gearbox support bracket

Field Connections, J-Box cover, outside

Danger Elec.Shock, J-Box covers outside, back panel bottom

Warm/Cold, @ T-Stat

Night/Serve - Temp. Control Bracket

Use copper cond. only, inside both J-boxes

Wired According to, on elec. schematic envelope

Elec. Schematic Envelope

Water Inlet - Back panel above inlet coupling

Header Panel Decal (Stoelting Logo)

Header Panel Decal (Stoelting Swirl)

Header Panel Decal (A & W Logo)

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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, auger 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, WHETHER FOR BREACH OFWARRANTYOR OTHER CON-

TRACTBREACH, NEGLIGENCEOROTHERTORT, ORONANYSTRICTLIABILITYTHEORY.

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