Taylor Freezer C722 User Manual

Model C722

Soft Serve Freezer

Original Operating Instructions

080568-M

2/22/12 (Original Publication)

Updated 5/14/12

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Table of Contents

Section 1

To the Installer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installer Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Air Cooled Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Water Connections (Water Cooled Units Only) . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beater Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Optional Carts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 2

To the Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operator Parts Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 3

Section 4

Model C722 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Door and Beater Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

X69928-14S Pump A. - Mix Simplified S.S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Optional Carts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Section 5

Important: To the Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Symbol Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Operating Screen Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Manager's Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Section 6

Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Mix Pump Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Model C722

Table of Contents

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Table of Contents - Page 2

Priming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Manual Brush Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Draining Product From The Freezing Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Rinsing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Hopper Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Brush Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Section 7

Important: Operator Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

During Cleaning and Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Troubleshooting Bacterial Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Regular Maintenance Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Winter Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Section 8

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Parts Replacement Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Section 9

Section 10

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Note: Continuing research results in steady improvements; therefore, information

in this manual is subject to change without notice.

Note: Only instructions originating from the factory or its authorized translation

representative(s) are considered to be the original set of instructions.

E February, 2012 Taylor (Original Publication)

Updated May, 2012

080568-M

Taylor Company

750 N. Blackhawk Blvd.

Rockton, IL 61072

The word Taylor and the Crown design

are registered trademarks in the United States

of America and certain other countries.

Table of Contents

Model C722

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Section 1

To the Installer

The following are general installation instructions.

For complete installation details, please see the

checkout card.

This unit has many sharp edges that can

cause severe injuries.

Installer Safety

Site Preparation

In all areas of the world, equipment should

be installed in accordance with existing local codes.

Please contact your local authorities if you have any

questions.

Review the area where the unit will be installed

before uncrating the unit. Make sure all possible

hazards to the user or equipment have been

addressed.

Care should be taken to ensure that all basic safety

practices are followed during the installation and

servicing activities related to the installation and

service of Taylor equipment.

Only authorized Taylor service personnel

should perform installation and repairs on

the equipment.

Air Cooled Units

Authorized service personnel should consult

OSHA Standard 29CFRI910.147 or the

applicable code of the local area for the

industry standards on lockout/tagout

procedures before beginning any installation

or repairs.

The Model C722 air cooled unit requires a minimum

of 6” (152 mm) on the left and right sides and 0” on

the back. The C722 equipped with top air discharge

requires 6” (152 mm) on the left side, 0” on the right

side, and 0” on the back.

Authorized service personnel must ensure

that the proper PPE is available and worn

when required during installation and

service.

This will allow for adequate air flow across the

condenser. Failure to allow adequate clearance can

reduce the refrigeration capacity of the freezer and

possibly cause permanent damage to the

compressor.

Authorized service personnel must remove

all metal jewelry, rings, and watches before

working on electrical equipment.

For Indoor Use Only: This unit is designed to

operate indoors, under normal ambient

temperatures of 70_-75_F (21_-24_C). The freezer

has successfully performed in high ambient

temperatures of 104_(40_C) at reduced capacities.

The main power supply(s) to the freezer

must be disconnected prior to performing any

repairs. Failure to follow this instruction may result in

personal injury or death from electrical shock or

hazardous moving parts as well as poor

This unit must NOT be installed in an area

where a water jet or hose can be used. NEVER use

a water jet or hose to rinse or clean the unit. Failure

to follow this instruction may result in electrocution.

performance or damage to the equipment.

Note: All repairs must be performed by an

authorized Taylor Service Technician.

120411

Model C722

To the Installer

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accordance with the existing local codes. Please

contact your local authorities.

This unit must be installed on a level surface

to avoid the hazard of tipping. Extreme care should

be taken in moving this equipment for any reason.

Two or more people are required to safely move this

unit. Failure to comply may result in personal injury

or equipment damage.

FOLLOW YOUR LOCAL ELECTRICAL CODES!

Each unit requires one power supply for each data

label on the unit. Check the data label(s) on the

freezer for branch circuit overcurrent protection or

fuse, circuit ampacity, and other electrical

specifications. Refer to the wiring diagram provided

inside of the electrical box for proper power

connections.

Uncrate the unit and inspect it for damage. Report

any damage to your Taylor Distributor.

This piece of equipment is made in the USA and has

USA sizes of hardware. All metric conversions are

approximate and vary in size.

Water Connections

(Water Cooled Units Only)

CAUTION: THIS EQUIPMENT MUST BE

PROPERLY GROUNDED! FAILURE TO DO SO

CAN RESULT IN SEVERE PERSONAL INJURY

FROM ELECTRICAL SHOCK!

An adequate cold water supply must be provided

with a hand shut-off valve. On the underside of the

base pan or on the right side, two 3/8” I.P.S. water

connections for inlet and outlet are provided for easy

hook-up. 1/2” inside diameter water lines should be

connected to the machine. (Flexible lines are

recommended, if local codes permit.) Depending on

local water conditions, it may be advisable to install

a water strainer to prevent foreign substances from

clogging the automatic water valve. There will be

only one water “in” and one water “out” connection.

DO NOT install a hand shut-off valve on the water

“out” line! Water should always flow in this order:

First, through the automatic water valve; second,

through the condenser; and third, through the outlet

fitting to an open trap drain.

DO NOT operate this freezer with larger

fuses than specified on the unit data label. Failure to

follow this instruction may result in electrocution or

damage to the machine.

This unit is provided with an equipotential

grounding lug that is to be properly attached to the

rear of the frame by the authorized installer. The

installation location is marked by the equipotential

bonding symbol (5021 of IEC 60417-1) on both the

removable panel and the equipment's frame.

A back flow prevention device is

Stationary appliances which are not

equipped with a power cord and a plug or another

device to disconnect the appliance from the power

source, must have an all-pole disconnecting device

with a contact gap of at least 3 mm installed in the

external installation.

required on the incoming water connection side.

Please refer to the applicable National, State, and

local codes for determining the proper configuration.

Electrical Connections

In the United States, this equipment is intended to

be installed in accordance with the National

Appliances that are permanently connected

to fixed wiring and for which leakage currents may

exceed 10 mA, particularly when disconnected or

not used for long periods, or during initial installation,

shall have protective devices such as a GFI, to

protect against the leakage of current, installed by

the authorized personnel to the local codes.

Electrical Code (NEC), ANSI/NFPA 70-1987. The

purpose of the NEC is the practical safeguarding of

persons and property from hazards arising from the

use of electricity. This code contains provisions

considered necessary for safety. In all other areas of

the world, equipment should be installed in

To the Installer

Model C722

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Refrigerant

Supply cords used with this unit shall be

oil-resistant, sheathed flexible cable not lighter than

ordinary polychloroprene or other equivalent

synthetic elastomer-sheathed cord (Code

designation 60245 IEC 57) installed with the proper

cord anchorage to relieve conductors from strain,

including twisting, at the terminals and protect the

insulation of the conductors from abrasion.

In consideration of our environment, Taylor

proudly uses only earth friendly HFC refrigerants.

The HFC refrigerant used in this unit is R404A. This

refrigerant is generally considered non-toxic and

non-flammable, with an Ozone Depleting Potential

(ODP) of zero (0).

Beater Rotation

However, any gas under pressure is potentially

hazardous and must be handled with caution.

Beater rotation must be clockwise as viewed

looking into the freezing cylinder.

NEVER fill any refrigerant cylinder completely with

liquid. Filling the cylinder to approximately 80% will

allow for normal expansion.

Note: The following procedures should be performed

by a trained service technician.

To correct the rotation on a three-phase unit,

interchange any two incoming power supply lines at

freezer main terminal block only.

Use only R134a refrigerant that conforms to

the AHI standard 700 specification. The use of any

other refrigerant may expose users and operators to

unexpected safety hazards.

To correct rotation on a single-phase unit, change

the leads inside the beater motor. (Follow the

diagram printed on the motor.)

Electrical connections are made directly to the

terminal block provided in the splice box.

Refrigerant liquid sprayed onto the skin may

cause serious damage to tissue. Keep eyes and skin

protected. If refrigerant burns should occur, flush

immediately with cold water. If burns are severe,

apply ice packs and contact a physician

immediately.

Optional Carts

There are two optional carts available.

1. C20600-AFB: ADA compliant height cart,

not equipped with a door.

Taylor reminds technicians to be cautious of

government laws regarding refrigerant recovery,

recycling, and reclaiming systems. If you have any

questions regarding these laws, please contact the

factory Service Department.

2. C20600-000: Standard height cart with

reversible front door panel and rear panel.

Note: If the door is required on the rear of the

cart instead of the front, the front door panel

and the rear panel can be reversed. To reverse

these panels, remove the five screws on each

panel. Reverse and reinstall the panels, making

sure all screws are reinstalled.

WARNING: R404A refrigerant used in

conjunction with polyolester oils is extremely

moisture absorbent. When opening a refrigeration

system, the maximum time the system is open must

not exceed 15 minutes. Cap all open tubing to

prevent humid air or water from being absorbed by

the oil.

IMPORTANT! For safety purposes, the

freezer must be bolted to the cart using all 4

bolts. Failure to comply could result in personnel

injury and equipment damage.

120514

Model C722

To the Installer

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Section 2

To the Operator

Your freezer has been carefully engineered and

manufactured to give you dependable operation.

The user is responsible for returning the product to

the appropriate collection facility, as specified by the

local code.

This unit, when properly operated and cared for, will

produce a consistent quality product. Like all

mechanical products, it will require cleaning and

maintenance. A minimum amount of care and

attention is necessary if the operating procedures

outlined in this manual are followed closely.

For additional information regarding applicable local

laws, please contact the municipal facility and/or

local distributor.

This Operator's Manual should be read before

operating or performing any maintenance on your

equipment.

Compressor Warranty Disclaimer

The refrigeration compressors on this machine are

warranted for the term indicated on the warranty

card accompanying this machine. However, due to

the Montreal Protocol and the U.S. Clean Air Act

Amendments of 1990, many new refrigerants are

being tested and developed, thus seeking their way

into the service industry. Some of these new

refrigerants are being advertised as drop-in

replacements for numerous applications. It should

be noted that, in the event of ordinary service to this

machine's refrigeration system, only the refrigerant

specified on the affixed data label should be

used. The unauthorized use of alternate refrigerants

will void your compressor warranty. It will be the

owner's responsibility to make this fact known to any

technician he employs.

Your Taylor freezer will NOT eventually compensate

for, and correct, any errors during the set-up or filling

operations. Thus, the initial assembly and priming

procedures are of extreme importance. It is strongly

recommended that personnel responsible for the

equipment's operation, both assembly and

disassembly, go through these procedures together

in order to be properly trained and to make sure that

no confusion exists.

In the event you should require technical assistance,

please contact your local authorized Taylor

Distributor.

Note: Warranty is valid only if the parts are

authorized Taylor parts, purchased from an

authorized Taylor Distributor, and the required

service work is provided by an authorized Taylor

service technician. Taylor reserves the right to deny

warranty claims on equipment or parts if

non-approved parts or refrigerant were installed in

the machine, system modifications were performed

beyond factory recommendations, or it is determined

that the failure was caused by neglect or abuse.

It should also be noted that Taylor does not warrant

the refrigerant used in its equipment. For example, if

the refrigerant is lost during the course of ordinary

service to this machine, Taylor has no obligation to

either supply or provide its replacement either at

billable or unbillable terms. Taylor does have the

obligation to recommend a suitable replacement if

the original refrigerant is banned, obsoleted, or no

longer available during the five year warranty of the

compressor.

Note: Constant research results in steady

improvements; therefore, information in this

manual is subject to change without notice.

Taylor will continue to monitor the industry and test

new alternates as they are being developed. Should

a new alternate prove, through our testing, that it

would be accepted as a drop-in replacement, then

the above disclaimer would become null and void.

To find out the current status of an alternate

refrigerant as it relates to your compressor warranty,

call the local Taylor Distributor or the Taylor Factory.

Be prepared to provide the Model/Serial Number of

the unit in question.

If the crossed out wheeled bin symbol is

affixed to this product, it signifies that this product is

compliant with the EU Directive as well as other

similar legislation in effect after August 13, 2005.

Therefore, it must be collected separately after its

use is completed, and cannot be disposed as

unsorted municipal waste.

To the Operator

Model C722

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Section 3

Safety

We, at Taylor Company, are concerned about the

safety of the operator when he or she comes in

contact with the freezer and its parts. Taylor has

gone to extreme efforts to design and manufacture

built-in safety features to protect both you and the

service technician. As an example, warning labels

have been attached to the freezer to further point

out safety precautions to the operator.

DO NOT operate the freezer unless it is

properly grounded.

DO NOT operate the freezer with larger

fuses than specified on the freezer data

label.

To Operate Safely:

All repairs must be performed by an

authorized Taylor service technician. The

main power supplies to the machine must

be disconnected prior to performing any

repairs.

IMPORTANT - Failure to adhere to the

following safety precautions may result in

severe personal injury or death. Failure to

comply with these warnings may damage the

machine and its components. Component

damage will result in part replacement expense

and service repair expense.

Cord Connected Units: Only Taylor

authorized service technicians may install a

plug on this unit.

Stationary appliances which are not

equipped with a power cord and a plug or

another device to disconnect the appliance

from the power source, must have an

all-pole disconnecting device with a contact

gap of at least 3 mm installed in the external

installation.

DO NOT operate the freezer without

reading this Operator Manual. Failure to follow this

instruction may result in equipment damage, poor

freezer performance, health hazards, or personal

injury.

Appliances that are permanently connected

to fixed wiring and for which leakage

currents may exceed 10 mA, particularly

when disconnected or not used for long

periods, or during initial installation, shall

have protective devices such as a GFI, to

protect against the leakage of current,

installed by the authorized personnel to the

local codes.

Per IEC 60335-1 and its part 2 standards,

“This appliance is to be used only by trained

personnel. It is not intended for use by children or

people with reduced physical, sensory, or mental

capabilities, or lack of experience and knowledge,

unless given supervision or instruction concerning

the use of the appliance by a person responsible for

their safety.”

Supply cords used with this unit shall be

oil-resistant, sheathed flexible cable, not

lighter than ordinary polychloroprene or

other equivalent synthetic

elastomer-sheathed cord (Code designation

60245 IEC 57) installed with the proper cord

anchorage to relieve conductors from strain,

including twisting, at the terminals and

protect the insulation of the conductors from

abrasion.

This unit is provided with an equipotential

grounding lug that is to be properly attached to the

rear of the frame by the authorized installer. The

installation location is marked by the equipotential

bonding symbol (5021 of IEC 60417-1) on both the

removable panel and the equipment's frame.

DO NOT use a water jet to clean or rinse

the freezer. Failure to follow these instructions may

result in serious electrical shock.

Failure to follow these instructions may result in

electrocution. Contact your local authorized Taylor

Distributor for service.

Model C722

Safety

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Cleaning and sanitizing schedules are

governed by your state or local regulatory agencies

and must be followed accordingly. Please refer to

the cleaning section of this manual for the proper

procedure to clean this unit.

DO NOT allow untrained personnel to

operate this machine.

DO NOT operate the freezer unless all

service panels and access doors are

restrained with screws.

DO NOT remove any internal operating

parts (examples: freezer door, beater,

scraper blades, etc.) unless all control

switches are in the OFF position.

DO NOT obstruct air intake and discharge openings:

The Model C722 air cooled unit requires a minimum

of 6” (152 mm) on the left and right sides and 0” on

the back. The C722 equipped with top air discharge

requires 6” (152 mm) on the left side, 0” on the right

side, and 0” on the back.

Failure to follow these instructions may result in

severe personal injury to fingers or hands from

hazardous moving parts.

This will allow for adequate air flow across the

condenser. Failure to allow adequate clearance can

reduce the refrigeration capacity of the freezer and

possibly cause permanent damage to the

compressor.

This unit has many sharp edges that can

cause severe injuries.

DO NOT put objects or fingers in the door

spout. This may contaminate the product

and cause severe personal injury from blade

contact.

For Indoor Use Only: This unit is designed to

operate indoors, under normal ambient

temperatures of 70 - 75°F (21 - 24°C). The freezer

has successfully performed in high ambient

temperatures of 104°F (40°C) at reduced capacities.

USE EXTREME CAUTION when removing

the beater asssembly. The scraper blades

are very sharp.

CAUTION-SHARP EDGES: Two people are

required to handle the cup/cone dispenser.

Protective gloves must be worn and the

mounting holes must NOT be used to lift or

hold the dispenser. Failure to follow this

instruction can result in personal injury to

fingers or equipment damage.

NOISE LEVEL: Airborne noise emission does not

exceed 78 dB(A) when measured at a distance of

1.0 meter from the surface of the machine and at a

height of 1.6 meters from the floor.

120411

Safety

Model C722

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Notes:

Model C722

Safety

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Section 4

Operator Parts Identification

Model C722

Figure 1

120507

Operator Parts Identification

Model C722

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Model C722 Exploded View Parts Identification

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

TRAY-DRIP

PART NO.

COVER-HOPPER-14 QT BLACK 041682-BLA

068864

049203

X51601

055987

068851

052779-9

068844

ORIFICE

022465-100

016137

X29429-2

018572

080162

X68854

X68777

011694

X68858

068863

SHIELD-SPLASH

O-RING-3/8 OD X .070W

TUBE A.-FEED-SS-5/32 HOLE

O-RING-.643 OD X .077W

PANEL-REAR

PAN A.-DRIP 15 1/8 LONG

STUD-NOSE CONE

PANEL-SIDE LEFT

FILTER-AIR-21.688X15.813H

COVER-ACCESS-FRONT-R.

PANEL A.-SIDE RIGHT

PANEL A.-FRONT

SCREW-10X3/8 SLOTTED HEX 015582

SCREW-1/4-20X3/8 SLOTTED

PANEL A.-FRONT-LOWER

SHELF-DRIP TRAY

COVER-ACCESS-LEFT

BLADE A.-AGITATOR

PAN-DRIP-REAR

068869

X56591-SP

080226

Model C722

Operator Parts Identification

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Door and Beater Assembly

Figure 2

ITEM

DESCRIPTION

PLUG-PRIME TWIN

O-RING-1/2OD X .070W

PART NO.

ITEM

DESCRIPTION

PIN-HANDLE-TWIN

PART NO.

059936

024278

059894

X59843

014402

VALVE A.-DRAW

GASKET-DOOR HT 4"-DOUBLE 048926

O-RING-7/8 OD X .103W

KIT A.-BEATER-FRONT

SHOES-BEARING

X50350

CAP-DESIGN 1.010"ID-6 POINT 014218

SEAL-DRAW VALVE-H RING

VALVE A.-DRAW-CENTER

034698

X62218

4a BEARING-FRONT SHOE

4b SHOE-FRONT HELIX-FRONT

4c SHOE-FRONT HELIX-REAR

*SEE NOTE

080293

NUT-STUD-BLACK 2.563 LONG 058764

SCREW-ADJUSTMENT-5/16-24 056332

CLIP-SCRAPER BLADE 5.50”

BLADE-SCRAPER-PLASTIC

BEATER A.-2.8QT-1 PIN

SHAFT-BEATER

O-RING-1/4 OD X .070W

HANDLE A.-DRAW

015872

080292

X56421-1

X80291

NUT-STUD-BLACK 3.250 LONG 058765

DOOR A.-SH BAF-W/PRG X80157-SER

054194

SEAL-DRIVE SHAFT

032560

*NOT AVAILABLE SEPARATELY. ORDER X50350 KIT.

Operator Parts Identification

Model C722

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X69928-14S Pump A. - Mix Simplified S.S.

Figure 3

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

ADAPTOR A.-MIX INLET-SS

GASKET-SIMPLIFIED PUMP

CAP-VALVE BODY SS

X80250

PISTON-PUMP-SIMPLIFIED

PIN-RETAINING

069922

X55450

069920

053527

056874-14

CYLINDER-PUMP HOPPER

O-RING-2-1/8 OD X .139W-#225 020051

Model C722

Operator Parts Identification

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Accessories

Figure 4

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

LUBRICANT-TAYLOR

TOOL-O-RING REMOVAL

SANITIZER-STERA SHEEN

PAIL-MIX 10 QT

047518

TOOL-MIX PUMP SHAFT

REMOVAL

057167

048260-WHT

SEE NOTE

013163

KIT A.-TUNE-UP

X49463-80

*A sample container of sanitizer is sent with the unit. For

reorders, order Stera Sheen part no. 055492 (100 2 oz.

packs) or Kay-5 part no. 041082 (200 packs).

**Not Shown.

Operator Parts Identification

Model C722

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Brushes

Figure 5

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

BLACK BRISTLE BRUSH

DOUBLE END BRUSH

013071

013072

013073

WHITE BRISTLE BRUSH

(3” x 7”)

023316

WHITE BRISTLE BRUSH

(1” x 2”)

Model C722

Operator Parts Identification

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Optional Carts

Cart A.-ADA (X69400)

Cart A.-Std (X69425)

Figure 6

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

SCREW-10-32X1/2 SLTD TRUSS 037734

PANEL A.-STD CART-FRONT

DOOR A.-STD CART

X69426

X69295

PANEL-FRONT/REAR-ADA

069402

030307

CASTER-3" SWV 3/4-10 STEM

W/BRAKE

SCREW-10-32X1/2 SLTD TRUSS 037734

HANDLE-STNLS FLUSH PULL

019043

030307

PANEL-SIDE-CART

069403

021279

CASTER-3" SWV 3/4-10 STEM

W/BRAKE

CASTER-3" SWV 3/4-10 STEM

NOTE: ADA COMPLIANT HEIGHT CART, NOT

EQUIPPED WITH A DOOR.

PANEL-SIDE-STD CART

CASTER-3" SWV 3/4-10 STEM

PANEL-REAR-STD CART

069428

021279

069429

NOTE: STANDARD HEIGHT CART WITH

REVERSIBLE FRONT DOOR PANEL AND REAR

PANEL.

Operator Parts Identification

Model C722

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Section 5

Important: To the Operator

Model C722

Figure 7

ITEM

DESCRIPTION

POWER SWITCH

LIQUID CRYSTAL DISPLAY

KEYPADS

MIX OUT INDICATORS

STANDBY INDICATORS

MIX LOW INDICATORS

SELECT KEY

SERVICE MENU KEY

BRUSH CLEAN COUNTER

ARROW KEYS

TOPPING HEATER KEYS (NOT FUNCTIONAL)

Model C722

Important: To the Operator

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Symbol Definitions

= STANDBY

To better communicate in the International arena,

symbols have replaced words on many of our

operator switches, function, and fault indicators.

Your Taylor equipment is designed with these

International symbols.

= TOPPING HEATER-LEFT

= TOPPING HEATER-RIGHT

The following chart identifies the symbol definitions.

= SELECT

Power Switch

= ON

When placed in the ON position, the power switch

allows control panel operation.

= OFF

Fluorescent Display

= UP ARROW

= DOWN ARROW

= AUTO

The fluorescent display is located on the front

control panel. During normal operation, the display is

blank. The display is used to show menu options

and notifies the operator if a fault is detected. On

International models, the display will indicate the

temperature of the mix in the hopper.

Indicator Lights

= WASH

MIX LOW - When the MIX LOW symbol

illuminated, the mix hopper has a low supply of mix

and should be refilled as soon as possible.

= MIX LOW

= MIX OUT

= MENU DISPLAY

= MIX PUMP

MIX OUT - When the MIX OUT

illuminated, the mix hopper has been almost

symbol is

completely exhausted and has an insufficient supply

of mix to operate the freezer. At this time, the AUTO

mode is locked out and the freezer will be placed in

the STANDBY mode. To initiate the refrigeration

system, add mix to the mix hopper and touch the

AUTO symbol . The freezer will automatically

begin operation.

Optional feature: Some freezers are equipped with

rear indicator lights.

Important: To the Operator

Model C722

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Standby Symbol

Reset Mechanism

The reset buttons are located in the left side panel of

the machine. They protect the beater motors from

an overload condition. Should an overload occur, the

reset mechanism will trip. To properly reset the

freezer, place the power switch in the OFF position.

Press the reset button firmly. Turn the power switch

During long “No Sale” periods, the unit can be

placed into the Standby mode. This maintains

product temperatures below 40°F (4.4°C) in both the

hopper and the freezing cylinder, and helps prevent

overbeating and product breakdown.

to the ON position. Touch the WASH symbol

observe the freezer's performance.

and

To activate Standby, select the STANDBY key or

enter the access code for the Manager Menu and

select the Standby Mode option (see pages 19 and

22). The STANDBY symbol

will illuminate,

indicating the Standby feature has been activated.

WARNING: Do not use metal objects to

press the reset button. Failure to comply may

result in severe personal injury or death.

Note: To resume normal operation, press the

AUTO symbol . When the unit cycles off, the

product in the freezing cylinder will be at serving

viscosity.

If the beater motor is turning properly, touch the

WASH symbol

AUTO symbol

to cancel the cycle. Touch the

to resume normal operation. If the

freezer shuts down again, contact your authorized

service technician.

Wash Symbol

The WASH symbol

will illuminate when it is

Adjustable Draw Handle

touched. This indicates beater motor operation. The

STANDBY or AUTO modes must be cancelled first

to activate the WASH mode.

This unit features an adjustable draw handle to

provide the best portion control, giving a better,

consistent quality to your product and controlling

costs. The draw handle should be adjusted to

provide a flow rate of 5 to 7-1/2 oz. (142 to 213 g.)

of product by weight per 10 seconds. To INCREASE

the flow rate, tighten the screw. To DECREASE the

flow rate, loosen the screw. (See Figure 8.)

Auto Symbol

The AUTO symbol

will illuminate when it is

touched. This indicates that the refrigeration system

has been activated. In the AUTO mode, the WASH

or STANDBY functions are automatically cancelled.

Note: An indicating light and an audible tone will

sound whenever a mode of operation has been

selected. To cancel any function, touch the key

again. The light and the mode of operation will shut

off.

Topping Heater Symbols

The TOPPING HEATER symbols are not functional

on the Model C722.

Figure 8

Model C722

Important: To the Operator

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The SAFETY TIMEOUT screen will be displayed

with the alarm on for 60 seconds, or until any control

symbol is selected.

Operating Screen Descriptions

The fluorescent display located in the center of the

control panel is normally blank during the daily

operation of the machine. The display is activated

when the SEL symbol or the Manager's Menu is

selected. The display screen will also alert the

operator of specific faults detected by the control.

After the safety timeout has been completed and the

power switch is OFF, the following screen is

displayed. (See Figure 10.)

POWER SWITCH OFF

- = - = - = - = - = -

Power Up

UNIT CLEANED

When the machine is powered, the control system

will initialize to perform a system check. The screen

will display “INITIALIZING”. There are four types of

data the system will check: LANGUAGE, SYSTEM

DATA, CONFIG DATA, and LOCKOUT DATA.

Figure 10

Power Switch ON

If the system detects corrupt data during

When the power switch is placed in the ON position,

the control panel touch keys become operative. The

fluorescent display will be either blank or will indicate

that the unit has been cleaned. (See Figure 11.)

“Initializing.....”, the detected faults will be displayed

for acknowledgement after the “SAFETY TIMEOUT”

display, if the power switch is on. The faults may be

“CORRUPTED LANGUAGE,” CONFIG CRC ERR,”

“SYSTEM CRC ERR, “FAULT HISTORY,

”LOCKOUT CRC ERR,” or “POWER FAILURE.”

Once the system has initialized, the number of days

remaining before the next required brush cleaning is

indicated on the control panel and the SAFETY

TIMEOUT screen is displayed with the alarm turned

on. (See Figure 9.)

UNIT CLEANED

Figure 11

Brush Clean Counter

SAFETY TIMEOUT

ANY KEY ABORTS

The Brush Clean Counter (item 9 on page 15) will

display the number of hours since the freezer was

last brush cleaned. After hour 99, it will change to a

letter and a number (example: A0, A1, ... B0, B1,

etc.).

Figure 9

Important: To the Operator

Model C722

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Entering Access Code

Manager's Menu

With the ACCESS CODE screen on the display, use

the SEL symbol to set the first code number in the

cursor position. When the correct number is

selected, touch the SEL symbol to move the cursor

to the next number position. (See Figure 13.)

The Manager's Menu is used to enter the operator

function displays. To access the Menu, touch the

center of the CONE symbol

on the right side of the machine. The arrow symbols,

the SEL symbol, and the CONE symbol will be lit

on the control panel

when the ACCESS CODE screen is displayed.

(See Figure 12.)

ENTER ACCESS CODE

Figure 13

Continue to enter the proper access code numbers

(8309) until all four numbers are displayed, and then

touch the SEL symbol. The Manager's menu list will

display on the screen, provided the correct access

code is entered.

If an incorrect number is entered for the access

code, the display will exit the Menu program when

the SEL symbol is selected. (See Figure 14.)

Figure 12

In the Menu program, the arrow symbols and the

SEL symbol will function as menu keys.

UP ARROW - increases the value above the cursor

and is used to scroll upward in text displays.

DOWN ARROW - decreases the value above the

cursor and is used to scroll downward in text

displays.

SEL - advances the cursor position to the right and

is used to select menu options.

Note: The machine will continue operation in the

mode it was in when the menu was selected.

However, the control keys will not be lit and are

non-functional when the Manager's Menu is

displayed.

Figure 14

Model C722

Important: To the Operator

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Menu Options

Reset Counters

ARE YOU SURE?

Yes

Touch the ARROW symbols to move up or down

through the Menu. Select a Menu option by touching

the SEL symbol. Exit the Menu program by selecting

EXIT FROM MENU or touch the CONE symbol

Figure 16

The following menu options are listed in the

Manager's Menu.

The SET CLOCK option allows the Manager to

adjust the control clock date and time. The date and

time may only be changed after the freezer has

been manually cleaned, but before it has been

placed in the AUTO or STANDBY mode. The

following message will be displayed if the SET

CLOCK option is selected when the machine is not

in a brush clean state. (See Figure 17.)

EXIT FROM MENU

SERVINGS COUNTER

SET CLOCK

AUTO START TIME

STANDBY MODE

SET CLOCK

MIX LEVEL AUDIBLE

FAULT DESCRIPTION

FAULT HISTORY

12:01

2/10/2012

NO CHANGES ALLOWED

Press Any Key

LOCKOUT HISTORY

SYSTEM INFORMATION

CURRENT CONDITIONS

NET SERVICE PIN

Figure 17

To change the date or time, select the SET CLOCK

option in the menu. Touch the UP arrow symbol to

advance the arrow from “Exit” to “Change”, and then

touch the SEL symbol to select the Change option.

(See Figure 18.)

Selecting “EXIT FROM MENU” will exit the

Manager's Menu and then return the control panel

symbols to normal operation.

SET CLOCK

12:01

Change

> Exit

2/10/2012

The SERVINGS COUNTER screen is used to reset

the servings counter to zero. (Note: The SERVINGS

COUNTER automatically resets to zero when the

machine is brush cleaned.) (See Figure 15.)

Figure 18

Change the time by touching the UP arrow with the

cursor under the hour position. Move the cursor to

the minutes position by touching the SEL symbol.

Once the correct minutes are entered, touch the

SEL symbol to advance the cursor to the month.

(See Figure 19.)

SERVINGS COUNTER

> Next

Figure 15

SET CLOCK

12:01

Reset the SERVINGS COUNTER by selecting the

SEL symbol to advance to the next screen. Select

the UP arrow symbol to move the arrow (>) to YES

and touch the SEL symbol. The servings counter will

reset to zero and exit back to the Manager's Menu.

(See Figure 16.)

2/10/2012

> Exit

Figure 19

Important: To the Operator

Model C722

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Enter the correct month, day, and year. After they

have been entered, touch the SEL symbol to

advance to the DAYLIGHT SAVING TIME (DST)

screen. (See Figure 20.)

Pressing the UP or DOWN symbol will move the

arrow to the appropriate week for the start of DST.

Pressing the SEL symbol next to the appropriate

week will display the following screen. Press the UP

or DOWN symbol to move the arrow to the

appropriate month for the end of DST.

DAYLIGHT SAVING TIME

ENABLED

(See Figure 24.)

Enable

Disable

DST END MONTH

Figure 20

NOV

DEC

Pressing the UP or DOWN arrow symbols will move

the arrow to “Enable” or “Disable”. Pressing the SEL

symbol next to “Disable” selects that option and

returns to the Manager Menu. Pressing the SEL

symbol next to “Enable” selects that option and

displays the second screen. (See Figure 21.)

Figure 24

Pressing the SEL symbol next to the appropriate

month will display the following screen. Press the

UP or DOWN symbol to move the arrow to the

appropriate week for the end of DST.

(See Figure 25.)

MAR Second Sunday

NOV First Sunday

Change

> Exit

DST END WEEK

First Sunday

Second Sunday

Third Sunday

Figure 21

If the correct Sunday for the time change is not

displayed, then “Change” should be selected.

Pressing the SEL symbol with the arrow next to

“Change” displays the third screen. Press the UP or

DOWN symbol to move the arrow to the appropriate

month for the start of DST. (See Figure 22.)

Figure 25

Pressing the SEL symbol with the arrow by the

appropriate week will select that setting and return to

the Manager's Menu.

DST START MONTH

MAR

APR

MAY

The AUTO START TIME option allows the Manager

to set the time of day at which the machine

automatically enters the AUTO mode from the

STANDBY mode. The machine must be in the

STANDBY mode in order to AUTO start at the

programmable time. The AUTO START TIME can

also be disabled and require starting the AUTO

mode manually. (See Figure 26.)

Figure 22

Pressing the SEL symbol with the arrow next to the

appropriate month will display the following screen.

(See Figure 23.)

AUTO START TIME

DISABLED

Enable

DST START WEEK

Second Sunday

Third Sunday

Fourth Sunday

Disable

Figure 23

Figure 26

Model C722

Important: To the Operator

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Enable the AUTO START TIME by selecting the UP

arrow symbol to move the arrow to “Enable.” Touch

the SEL symbol to advance to the next screen.

(See Figure 27.)

The MIX LEVEL AUDIBLE option, when enabled,

will alert the operator with an audible tone when

there is a mix low or mix out condition. The following

screen is displayed upon selecting this option.

(See Figure 30.)

AUTO START TIME

00:00

Change

Exit

MIX LEVEL AUDIBLE

ENABLED

Enable

Disable

Figure 27

Program the AUTO START TIME by selecting the

UP arrow symbol to move the arrow to “Change.”

Touch the SEL symbol to advance to the next

screen. (See Figure 28.)

Figure 30

Disable the audible tone feature by selecting the

DOWN arrow symbol to move the arrow to

“Disable.” Select the SEL symbol to save the new

setting and return to the Manager's Menu. The

control panel icons for Mix Low and Mix Out will light

as the mix level drops in the hopper but the audible

tone will be disabled.

AUTO START TIME

00:00

Figure 28

Use the arrow symbols to program the AUTO

START TIME by increasing or decreasing the hour

setting above the cursor. Touch the SEL symbol to

advance the cursor and program the minutes

setting. Select the SEL symbol to return to the

previous screen with the new time setting displayed.

Select the SEL symbol to exit the screen and return

to the Manager's Menu.

The FAULT DESCRIPTION screen lists any faults

detected by the control and allows the Manager to

clear them from the system. Faults are displayed on

the second and/or third line. (See Figure 31.)

The STANDBY option is used to manually place

either side of the machine in the Standby mode

during long, no draw periods. Select the STANDBY

screen from the Menu. Touch the SEL symbol to

activate Standby.

FAULT DESCRIPTION

L: Beater Overload

R: Beater Overload

Discontinue Standby operation by exiting the

Manager's Menu and selecting the AUTO mode.

(See Figure 29.)

Figure 31

STANDBY MODE

LEFT

RIGHT

Pressing the SEL symbol displays the next fault or

returns to the Manager's Menu if no other faults

exist. Pressing the SEL symbol any time faults are

displayed will clear corrected faults upon returning to

the Manager's Menu. Press the Menu symbol to

return to the Manager's Menu.

> Exit

Figure 29

Important: To the Operator

Model C722

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The FAULT HISTORY screen displays a history of

the last 100 faults. Page numbers are displayed in

the upper right-hand corner. Page 1 contains the

most recent fault. Use the arrow symbols to cycle

through the history pages. The date and time of the

event are displayed on the second line. The third

line displays the reason for the fault.

Faults Occurring While in AUTO or

Standby Mode

BEATER OVERLOAD - Place the power switch in

the OFF position. Wait 5 minutes for the machine to

cool. Press the beater reset button firmly. Place the

power switch in the ON position and restart in

AUTO.

(See Figure 32.)

HPCO COMPRESSOR - Place the power switch in

the OFF position. Wait 5 minutes for the machine to

cool. Place the power switch in the ON position and

restart in AUTO.

FAULT HISTORY

02/27/12

HPCO COMPRESSOR

> Exit

12:58

L - R HPR Therm Fail - The hopper thermistor

failed. Call for service.

L - R BRL Therm Fail - The freezing cylinder

thermistor failed. Call for service.

L - R HPR>59F (15C) - The mix temperature in the

hopper exceeded 59_F (15_C).

Figure 32

L - R BRL>59F (15C) - The mix temperature in the

freezing cylinder exceeded 59_F (15_C).

L - R HPR>45F (7C) AFTER 1 HR - The mix

temperature in the hopper was above 45_F (7_C)

more than one hour.

The LOCKOUT HISTORY screen displays a history

of the last 100 hardlocks, brush clean dates, etc.

(See Figure 33.)

L - R BRL>45F (7C) AFTER 1 HR - The mix

temperature in the freezing cylinder was above 45_F

(7_C) more than one hour.

L - R HPR>41F (5C) AFTER 4 HR - The mix

temperature in the hopper was above 41_F (5_C)

more than four hours.

LOCKOUT HISTORY

02/27/12

12:58

HPR THERM FAIL

Exit

L - R BRL>41F (5C) AFTER 4 HR - The mix

temperature in the freezing cylinder was above 41_F

(5_C) more than four hours.

Figure 33

L - R HPR>41F (5C) AFTER PF - The mix

temperature in the hopper was above 41_F (5_C)

more than four hours, following a power failure.

Use the arrow symbols to advance forward or

L - R BRL>41F (5C) AFTER PF - The mix

temperature in the freezing cylinder was above 41_F

(5_C) more than four hours, following a power

failure.

backward to view each screen. The following list

indicates the variable messages that may appear.

Press the SEL key to return to the Manager's Menu.

Note: Refer to your local health codes regarding

temperature recommendations for procedures to

follow if these fault screens appear.

Note: If no fault was found, the message will state,

“NO FAULT FOUND”.

Model C722

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The SYSTEM INFORMATION is displayed on three

separate screens. The first screen contains the

control and software version installed in the

machine. (See Figure 34.)

The CURRENT CONDITIONS screen displays the

current viscosity, and the hopper and barrel

temperatures. Press the SEL or MENU symbols to

return to the Manager's Menu. (See Figure 37.)

SOFTWARE VERSION

C722 CONTROL UVC4

VERSION V00.00.000

> Next

VISC

HOPPER

BARREL

0.0

41.0

0.0

41.0

Figure 34

Figure 37

Touch the SEL symbol to advance to the next

system information screen containing the software

language version. (See Figure 35.)

The NET SERVICE PIN screens allows the

Manager to initialize a network connection for

networking kitchens. (See Figure 38.)

Language

V3.00 English

NET SERVICE PIN

ARE YOU SURE?

Yes

> Next

> No

Figure 35

Touch the SEL symbol to advance to the third

system information screen containing the model bill

of material and machine serial number. Touching the

SEL symbol again will return to the Manager's

Menu. (See Figure 36.)

Figure 38

Use the arrow symbols to move the arrow up or

down. Pressing the SEL symbol with the arrow next

to “No” will return to the Manager's Menu. Pressing

the SEL symbol with the arrow next to “Yes” will

connect to the network if a gateway card is

connected.

B.O.M. C700000000

S/N

K0000000

Note: If “Yes” is selected, it may take a few

moments for the memory to clear and the defaults to

load. The display may show the message

> Next

Figure 36

“COMMUNICATIONS FAILURE” during this time.

Important: To the Operator

Model C722

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Section 6

Operating Procedures

The Model C722 is a medium capacity soft serve

machine. Mix is stored in the hoppers. The unit is

equipped with a three spout door and two 2.8 quart

(2.7 liter) capacity freezing cylinders.

Step 3

Heavily lubricate the inside portion of the boot seal.

Also lubricate the flat end of the boot seal that

comes in contact with the rear shell bearing.

Step 4

We begin our instructions at the point where we

enter the store in the morning and find the parts

disassembled and laid out to air dry from the

previous night's cleaning.

Apply an even coat of lubricant to the shaft.

DO NOT lubricate the hex end.

These opening procedures will show you how to

assemble the parts into the freezer, sanitize them,

and prime the freezer with fresh mix in preparation

to serve your first portion.

If you are disassembling the machine for the first

time or need information to get to this starting point

in our instructions, turn to page 36, “Disassembly”,

and start there.

Figure 39

Note: To ensure that mix does not leak out of the

back of the freezing cylinder, the middle section of

the boot seal should be convex or extend out from

the seal. If the middle section of the boot seal is

concave or extending into the middle of the seal,

turn the seal inside out.

Assembly

Note: When lubricating parts, use an approved food

grade lubricant (example: Taylor Lube).

MAKE SURE THE POWER SWITCH IS IN

THE “OFF” POSITION! Failure to follow this

instruction may result in severe personal injury from

hazardous moving parts.

Step 1

Lubricate the groove on the beater drive shaft.

Step 2

Slide the beater drive shaft boot seal over the small

end of the beater drive shaft and engage into the

groove on the shaft.

Figure 40

Model C722

Operating Procedures

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Step 5

Note: Scraper blades should be replaced every 3

Insert the beater drive shaft through the rear shell

bearing in the freezing cylinder and engage the hex

end firmly into the drive coupling.

months.

Note: The hole on the scraper blade must fit

securely over the pin to prevent costly damage.

Step 7

Holding the rear blade on the beater, slide it into the

freezing cylinder halfway. Install the front scraper

blade over the front holding pin. (See Figure 43.)

Figure 41

USE EXTREME CAUTION when handling

the beater assembly. The scraper blades are very

sharp and may cause injury.

Step 6

Before installing the beater assembly, check the

scraper blades for any nicks or signs of wear. If any

nicks are present, or if the blades are worn, replace

both blades.

Figure 43

Step 8

If the blades are in good condition, install the

scraper blade clips over the scraper blades. Place

the rear scraper blade over the rear holding pin on

the beater. (See Figure 42.)

Install the beater shoes. (See Figure 44.)

Figure 42

Figure 44

Operating Procedures

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Step 9

Step 11

Slide the beater assembly the rest of the way into

the freezing cylinder.

Slide the front bearings over the baffle rods. The

flanged edges should be against the door. DO NOT

lubricate the gaskets or front bearings.

Make sure the beater assembly is in position over

the drive shaft by turning the beater slightly until the

beater is properly seated. When in position, the

beater will not protrude beyond the front of the

freezing cylinder. (See Figure 45.)

Slide the two o-rings into the grooves on each prime

plug. Apply an even coat of Taylor Lube to the

o-rings and shafts.

Figure 45

Repeat these steps for the other side of the

machine.

Step 10

To assemble the freezer door, place the door

gaskets into the grooves on the back of the freezer

door.

Figure 47

Step 12

Insert the prime plugs into the holes in the top of the

freezer door, and push down.

Figure 46

Figure 48

Model C722

Operating Procedures

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Step 13

To install the freezer door, insert the baffle rods

through the beaters in the freezing cylinders.

Figure 51

Step 16

Insert the draw valves from the bottom until the slot

in each draw valve comes into view.

Figure 49

With the door seated on the freezer studs, install the

handscrews. Use the long handscrews on the top

and the short handscrews on the bottom. Tighten

them equally in a criss-cross pattern to insure the

door is snug.

Step 14

Slide the three o-rings into the grooves of each

standard draw valve. Slide the H-ring and o-ring into

the grooves of the center draw valve. Lubricate the

H-ring and o-rings.

Figure 52

Step 17

Position each draw handle with the adjustment

screw facing down. Slide the fork of each draw

handle into the slot of each draw valve, starting from

the right.

Figure 50

Step 15

Lubricate the inside of the freezer door spouts, top

and bottom.

Figure 53

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Step 18

Step 19

Slide the pivot pin through the draw handles as the

handles are inserted into the draw valves.

Snap the design caps over the bottom of the door

spouts.

Figure 56

Step 20

Slide the drip pan into the hole in the front panel.

Figure 54

Note: This freezer features three adjustable draw

handles to provide portion control, giving a better

consistent quality to your product and controlling

costs. The draw handle should be adjusted to

provide a flow rate of 5 to 7-1/2 oz. (142 g. to

213 g.) of product by weight per 10 seconds.

To INCREASE the flow rate, tighten the screw. To

DECREASE the flow rate, loosen the screw.

Figure 57

Step 21

Install the front drip tray and splash shield under the

door spouts.

Figure 55

Figure 58

Model C722

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Step 4

Mix Pump Assembly

Insert the piston into the retaining pin hole end of the

pump cylinder. (See Figure 61.)

Step 1

Inspect the rubber pump parts. O-rings and gasket

must be in 100% good condition for the pump and

entire machine to operate properly. The o-rings and

gasket cannot properly serve their intended function

if nicks, cuts, or holes in the material are present.

Replace any defective parts immediately and

discard the old.

Step 2

Assemble the piston. Slide the red o-ring into the

groove of the piston. DO NOT lubricate the o-ring.

(See Figure 59.)

Figure 61

Step 5

Assemble the valve cap. Slide the o-ring into the

groove of the valve cap. DO NOT lubricate the

o-ring. (See Figure 62.)

Figure 59

Step 3

Apply a thin layer of lubricant to the inside of the

pump cylinder at the retaining pin hole end. (See

Figure 60.)

Figure 62

Step 6

Slide the pump valve gasket into the holes on the

cap. DO NOT lubricate the gasket. (See Figure 63.)

Figure 60

Figure 63

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Step 7

The adapter must be positioned into the notch

located at the end of the pump cylinder.

Insert the valve body cap into the hole in the mix

inlet adapter. (See Figure 64.)

Step 9

Secure the pump parts in position by sliding the

retaining pin through the cross holes located at one

end of the pump cylinder. (See Figure 66.)

Figure 64

Figure 66

Note: The head of the retaining pin should be

located at the top of the pump when installed.

Step 8

Insert the mix inlet assembly into the pump cylinder.

(See Figure 65.)

Step 10

Assemble the feed tube assembly. Slide the check

ring into the groove of the feed tube.

(See Figure 67.)

Figure 65

Figure 67

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Step 11

Step 14

Install one red o-ring on each end of the mix feed

tube, and thoroughly lubricate. (See Figure 68.)

Install the hex end of the drive shaft into the drive

hub at the rear wall of the mix hopper.

(See Figure 70.)

Figure 70

Note: For ease in installing the pump, position the

ball crank of the drive shaft in the 3 o'clock position.

Repeat these steps for the other side of the

machine.

Figure 68

Step 12

Sanitizing

Lay the pump assembly, pump clip, cotter pin, mix

feed tube, and the agitator in the bottom of the mix

hopper for sanitizing.

Step 1

Prepare a pail of cleaning/sanitizing solution with an

active chlorine concentrate of 100 - 200 PPM (parts

per million). USE WARM WATER AND FOLLOW

THE MANUFACTURER'S SPECIFICATIONS.

Step 13

Slide the large black o-ring and the two smaller

black o-rings into the grooves on the drive shaft.

Thoroughly lubricate the o-rings and shaft. DO NOT

lubricate the hex end of the shaft. (See Figure 69.)

Step 2

Pour sanitizing solution over all the parts in the

bottom of the mix hopper and allow it to flow into the

freezing cylinder. (See Figure 71.)

Figure 71

Note: You have just sanitized the mix hopper and

parts; therefore, be sure your hands are clean and

sanitized before proceeding with these instructions.

Figure 69

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Step 3

Step 6

While the solution is flowing into the freezing

cylinder, take particular care to brush-clean the mix

level sensing probe, the mix hopper, the mix inlet

hole, the air/mix pump, the pump clip, the mix feed

tube, the cotter pin, and the agitator.

Prepare another pail of cleaning/sanitizing solution

with an active chlorine concentrate of 100 - 200

PPM. USE WARM WATER AND FOLLOW THE

MANUFACTURER'S SPECIFICATIONS.

Step 7

Pour the sanitizing solution into the mix hopper.

Step 4

Install the pump assembly at the rear of the mix

hopper. To position the pump on the drive hub, align

the drive hole in the piston with the drive crank of

the drive shaft. Secure the pump in place by slipping

the pump clip over the collar of the pump, making

sure the clip fits into the grooves in the collar.

(See Figure 72.)

Step 8

Brush the exposed sides of the hopper.

Step 9

Place the power switch in the ON position.

Step 10

Touch the WASH symbol . This will cause the

sanitizing solution in the freezing cylinder to be

agitated. Wait at least 5 minutes before proceeding

with these instructions.

Step 11

With an empty pail beneath the door spouts, raise

the prime plug and touch the PUMP symbol

Step 12

When a steady stream of sanitizing solution is

flowing from the prime plug opening in the bottom of

the freezer door, open the draw valve. Momentarily

open the center draw valve to sanitize the center

door spout. Draw off the remaining sanitizing

solution.

Figure 72

Step 5

Step 13

Once the sanitizer stops flowing from the door

spout, touch the WASH and PUMP symbols

and close the draw valve.

Install the pump end of the mix feed

tube and secure with the cotter pin. Failure to

follow this instruction could result in sanitizer

spraying on the operator. (See Figure 73.)

Step 14

Place the agitator on the agitator drive shaft

housing.

Figure 73

Figure 74

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Note: If the agitator should stop turning during

normal operation, with sanitized hands, remove

agitator from agitator drive shaft housing and brush

clean with sanitizing solution. Install the agitator

back onto the agitator drive shaft housing.

Step 4

When mix stops bubbling down into the freezing

cylinder, remove the cotter pin from the outlet fitting

of the mix pump. Insert the outlet end of the mix

feed tube into the mix inlet hole in the mix hopper.

Place the inlet end of the mix feed tube into the

outlet fitting of the mix pump. Secure with cotter pin.

Repeat these steps for the other side of the

machine.

Note: Be sure your hands are clean and

sanitized before proceeding with these

instructions.

Figure 75

Priming

Step 5

Select the AUTO symbol

Note: The brush clean counter will start at this time.

Step 6

Note: Use only FRESH MIX when priming the

freezer.

Fill the hopper with fresh mix and place the mix

hopper cover in position.

Repeat these steps for the other side of the

machine.

Step 1

Place an empty mix pail beneath the door spouts.

With the prime plug in the UP position, pour 2-1/2

gallons (9.5 liters) of FRESH mix into the mix hopper

and allow it to flow into the freezing cylinder.

Manual Brush Cleaning

This Procedure Must Be Completed Every Day

Step 2

ALWAYS FOLLOW LOCAL HEALTH CODES.

Open the draw valve to remove all sanitizing

solution. When only fresh mix is flowing, close the

draw valve.

To disassemble the Model C722, the following items

will be needed:

Two cleaning and sanitizing pails

Sanitizer/Cleaner

Necessary brushes (provided with freezer)

Single service towels

Step 3

Once a steady stream of mix starts to flow from the

prime plug opening in the bottom of the freezer door,

push the prime plug down.

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Note: Do not brush clean the mix inlet hole while

the machine is in the WASH mode.

Draining Product From The

Freezing Cylinder

Step 2

With a mix pail beneath the door spouts, raise the

Step 1

prime plug and touch the WASH symbol

With a pail beneath the door spouts, open the draw

valve. Touch the WASH and PUMP symbols

Step 3

When a steady stream of rinse water is flowing from

the prime plug opening in the bottom of the freezer

door, open the draw valve. Drain all the rinse water

from the door spout. Close the draw valve and push

the prime plug down.

IMPORTANT! DO NOT allow the pump to keep

running when the draw valve is closed.

Excessive pressure will build up causing

product to spurt out when the draw valve is

opened.

Step 4

Drain the product from the freezing cylinder and the

mix hopper.

Touch the WASH symbol,

mode.

cancelling the Wash

Step 2

Step 5

When the flow of product stops, touch the WASH

Repeat this procedure using clean, warm water, until

the water being discharged is clear.

and PUMP symbols

and PUMP modes. Close the draw valve.

, cancelling the WASH

Repeat these steps for the other side of the

machine.

Step 3

Remove the agitator, cotter pin, mix feed tube, pump

clip and the assembled air/mix pump.

Repeat these steps for the other side of the

machine.

Hopper Cleaning

Step 1

Prepare a pail of cleaning/sanitizing solution with an

active chlorine concentrate of 100 - 200 PPM. USE

WARM WATER AND FOLLOW THE MANUFAC-

TURER'S SPECIFICATIONS.

Rinsing

Step 1

Step 2

Pour two gallons (7.6 liters) of cool, clean water into

the mix hopper. With the white hopper brush, scrub

the mix hopper, the mix level sensing probe, and the

outside of the agitator drive shaft housing. Using the

double ended brush, brush clean the mix inlet hole.

(See Figure 76.)

With the prime plug pushed down, pour the cleaning

solution into the hopper. Allow the solution to flow

into the freezing cylinder.

Step 3

Using the white hopper brush, clean the mix hopper,

the mix level sensing probes, and the outside of the

agitator drive shaft housing. Using the double ended

brush, clean the mix inlet hole. (Note: Do not brush

clean the mix inlet hole while the machine is in the

Wash mode.)

Step 4

Touch the WASH symbol . This will cause the

cleaning solution in the freezing cylinder to come in

contact with all areas of the freezing cylinder. Wait

at least 5 minutes before proceeding with these

instructions.

Step 5

Figure 76

Place an empty pail beneath the door spouts.

Model C722

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Step 6

Raise the prime plug.

Remove the pump drive shafts from the drive hubs

in the rear wall of the mix hoppers. (See Figure 77.)

Step 7

When a steady stream of cleaning solution is flowing

from the prime plug opening in the bottom of the

freezer door, open the draw valve. Draw off all the

solution.

Step 8

Once the cleaning solution stops flowing from the

door spout, close the draw valve and the prime plug.

Step 9

Touch the WASH symbol , cancelling the Wash

mode.

Repeat these steps on the other side of the

machine.

Figure 77

Step 7

Disassembly

Remove the two small o-rings and one large o-ring

from each pump drive shaft.

Step 8

Remove the front drip tray and splash shield.

MAKE SURE THE POWER SWITCH IS IN

THE “OFF” POSITION! Failure to follow this

instruction may result in severe personal injury from

hazardous moving parts.

Step 9

Remove all drip pans. Take them to the sink for

cleaning. (See Figure 78.)

Step 1

Remove the handscrews, freezer door, beaters,

scraper blades, and drive shafts with drive shaft

seals from the freezing cylinders.

Step 2

Remove the scraper blade clips from the scraper

blades.

Step 3

Remove the drive shaft seal from each drive shaft.

Step 4

From each pump cylinder, remove the retaining pin,

mix inlet adaptor, valve cap, pump gasket, and the

piston. Remove the o-ring from the piston and valve

cap.

Figure 78

Step 5

Remove the freezer door gaskets, front bearings,

pivot pin, draw handles, draw valves, prime plugs,

and design caps. Remove the o-rings from the draw

valves.

Note: If the drip pans are filled with an excessive

amount of mix, it is an indication that the drive shaft

seal(s) or o-ring(s) should be replaced or properly

lubricated.

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Step 4

Brush Cleaning

Using the black brush, clean the drive hub opening

in the rear wall of each mix hopper. (See Figure 80.)

Step 1

Prepare a sink with cleaning/sanitizing solution with

an active chlorine concentrate of 100 - 200 PPM.

USE WARM WATER AND FOLLOW THE

MANUFACTURER'S SPECIFICATIONS. Make sure

all brushes provided with the freezer are available

for brush cleaning.

Step 2

Thoroughly brush clean all disassembled parts in the

cleaning solution, making sure all lubricant and mix

film is removed. Be sure to brush all surfaces and

holes, especially the holes in the pump components

and the draw valve holes in the freezer door.

Rinse all parts with clean, warm water. Place the

parts on a clean, dry surface to air dry overnight.

Figure 80

Step 3

Step 5

Return to the freezer with a small amount of

cleaning solution. Using the black brush, clean the

rear shell bearing at the back of each freezing

cylinder. (See Figure 79.)

Wipe all exterior surfaces of the freezer with a clean,

sanitized towel.

Note: The brush clean counter will reset to zero at

this time.

Figure 79

Model C722

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Section 7

Important: Operator Checklist

j 7. Discard remaining mix from the freezer during

During Cleaning and Sanitizing

“Cleaning Procedures”.

ALWAYS FOLLOW LOCAL HEALTH CODES.

Regular Maintenance Checks

j 1. Replace scraper blades that are nicked or

damaged. Before installing the beater

assembly, be certain that scraper blades are

properly attached to the helix.

Cleaning and sanitizing schedules are governed

by federal, state, or local regulatory agencies,

and must be followed accordingly. If the unit

has a “Standby mode”, it must not be used in

lieu of proper cleaning and sanitizing

procedures and frequencies set forth by the

ruling health authority. The following check

points should be stressed during the cleaning

and sanitizing operations.

j 2. Check the rear shell bearing for signs of wear

(excessive mix leakage in rear drip pan) and

be certain it is properly cleaned.

j 3. Using a screwdriver and cloth towel, keep the

rear shell bearing and the female hex drive

socket clean and free of lubricant and mix

deposits.

CLEANING AND SANITIZING MUST BE

PERFORMED DAILY.

j 4. Dispose of o-rings and seals if they are worn,

torn, or fit too loosely, and replace with new

ones.

Troubleshooting Bacterial Count

j 5. Follow all lubricating procedures as outlined in

j 1. Thoroughly clean and sanitize the machine

regularly, including complete disassembly and

brush cleaning.

“Assembly”.

j 6. If your machine is air cooled, check the

condensers for accumulation of dirt and lint.

Dirty condensers will reduce the efficiency

and capacity of the machine. Condensers

should be cleaned monthly with a soft brush.

Never use screwdrivers or other metal probes

to clean between the fins.

j 2. Use all brushes supplied for thorough

cleaning. The brushes are specially designed

to reach all mix passageways.

j 3. Use the white bristle brush to clean the mix

inlet hole which extends from the mix hopper

down to the rear of the freezing cylinder.

Note: For machines equipped with an air

filter, it will be necessary to vacuum clean the

filters on a monthly schedule.

j 4. Use the black bristle brush to thoroughly

clean the rear shell bearing located at the rear

of the freezing cylinder and the drive hub

opening in the rear wall of the mix hopper. Be

sure there is a generous amount of cleaning

solution on the brush.

Caution: Always disconnect

electrical power prior to cleaning the

condenser. Failure to follow this instruction

may result in electrocution.

j 5. Properly prepare the cleaning and sanitizing

solutions. Read and follow the label directions

carefully. Too strong of a solution may

damage the parts and too weak of a solution

will not do an adequate job of cleaning or

sanitizing.

j 7. If your machine is water cooled, check the

water lines for kinks or leaks. Kinks can occur

when the machine is moved back and forth for

cleaning or maintenance purposes.

Deteriorated or cracked water lines should be

replaced only by an authorized Taylor

distributor.

j 6. The temperature of mix in the mix hopper and

walk-in cooler should be below 40_F (4.4_C).

Important: Operator Checklist

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Winter Storage

If the place of business is to be closed during the

winter months, it is important to protect the freezer

by following certain precautions, particularly if the

building is subject to freezing conditions.

Your local Taylor Distributor can perform this winter

storage service for you.

Wrap detachable parts of the freezer such as

beater, blades, drive shaft, and freezer door, and

place them in a protected dry place. Rubber trim

parts and gaskets can be protected by wrapping

them with moisture-proof paper. All parts should be

thoroughly cleaned of dried mix or lubrication which

attract mice and other vermin.

Disconnect the freezer from the main power source

to prevent possible electrical damage.

On water cooled freezers, disconnect the water

supply. Relieve pressure on the spring in the water

valve. Use air pressure on the outlet side to blow out

any water remaining in the condenser. This is

extremely important. Failure to follow this

procedure may cause severe and costly damage to

the refrigeration system.

It is recommended that an authorized service

technician perform winter storage draining, to insure

all water has been removed. This will guard against

freezing and rupturing of the components.

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Section 8

Troubleshooting Guide

PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

1. No product is being

dispensed.

a. Low on mix. The MIX

OUT light is on.

a. Add mix to mix hopper.

Return to AUTO mode.

b. The power switch is in the

OFF position.

b. Turn power switch ON

and select AUTO.

c. Machine not in AUTO

mode.

c. Select AUTO and allow

machine to cycle off

before drawing product.

- - -

d. Beater motor is out on

reset. The BEATER

OVERLOAD message

displayed.

d. Turn machine off. Press

the reset button. Restart

the machine in AUTO.

e. The pump motor is off on

internal overload.

e. Turn the power switch off.

Remove, clean, and

reinstall the mix pump.

Allow at least two minutes

for the pump control to

reset.

31, 34

f. Feed tube or check ring

not properly installed.

f. Make sure feed tube and

rubber check ring are

properly installed.

- - -

g. Butterfat buildup in the

pump.

g. Carefully remove the mix

pump, clean and reinstall.

h. Freeze-up in mix inlet

hole.

h. Call an authorized service

technician.

i. The mix pump ball crank

is broken.

i. Call an authorized service

technician.

- - -

2. No control panel functions

(power switch is ON).

a. Machine is unplugged.

a. Plug into wall receptacle.

b. Circuit breaker OFF or

blown fuse.

b. Turn the breaker ON or

replace the fuse.

3. The product is too soft.

a. Draw rate is set too fast.

a. Adjust draw rate:

5 to 7-1/2 oz. (142 g. to

213 g.) of product by

weight in 10 seconds.

Important: Operator Checklist

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PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

4. The product is too thick.

a. Freezing cylinder not

primed correctly.

a. Drain the freezing cylinder

and reprime the machine.

b. Air/mix pump incorrectly

assembled.

b. Follow assembly

procedures carefully.

- - -

c. The viscosity control is set

too cold.

c. Call an authorized service

technician.

d. Freeze-up in mix inlet

hole.

d. Call an authorized service

technician.

5. The mix in the hopper is

too warm.

a. Hopper cover is not in

position.

a. Clean and sanitize hopper

cover and place in

position.

- - -

b. Agitator is not installed.

b. Clean, sanitize, and install

the agitator.

c. The hopper temperature is c. Call an authorized service

technician.

out of adjustment.

a. The hopper temperature is a. Call an authorized service

6. The mix in the hopper is

too cold.

technician.

out of adjustment.

7. Mix Low and Mix Out

probes are not

a. Milkstone build-up in the

hopper.

a. Clean hoppers thoroughly.

functioning.

- - -

8. The mix pump will not

operate.

a. The pump motor is off on

internal overload.

a. Turn the power switch off.

Remove, clean, and

reinstall the mix pump.

Allow at least two minutes

for the pump control to

reset.

9. Product is collecting on

top of the freezer door.

a. The top o-ring on draw

valve is improperly

a. Lubricate properly or

replace the o-ring.

lubricated or is worn.

10. Excessive mix leakage

from the bottom of door

spout.

a. Bottom o-ring on draw

valve is improperly

a. Lubricate properly or

replace the o-ring.

lubricated or is worn.

Model C722

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PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

11. Excessive mix leakage

into the drip pan.

a. The seal on drive shaft is

improperly lubricated or is

worn.

a. Lubricate properly or

replace the seal.

b. The seal is installed

inside-out on the drive

shaft.

b. Install correctly.

- - -

c. Inadequate lubrication of

the drive shaft.

c. Lubricate properly.

d. The drive shaft and beater d. Call an authorized service

technician.

assembly work forward.

e. Worn rear shell bearing.

e. Call an authorized service

technician.

f. Gear box out of alignment.

f. Call an authorized service

technician.

12. The drive shaft is stuck in

the drive coupling.

a. Mix and lubricant collected a. Brush clean the rear shell

bearing area regularly.

in drive coupling.

- - -

b. Rounded corners of drive

shaft, drive coupling, or

both.

b. Call an authorized service

technician.

- - -

c. Gear box is out of

alignment.

c. Call an authorized service

technician.

13. The freezing cylinder

walls are scored.

a. Missing or worn front

bearing.

a. Install or replace the front

bearing.

- - -

b. Broken freezer door baffle

rod.

b. Replace freezer door.

- - -

c. Broken beater pins.

c. Replace beater assembly.

d. Replace beater assembly.

d. Beater assembly is bent.

e. Gear box is out of

alignment.

e. Call an authorized service

technician.

14. The product makes a

popping sound when

drawn.

a. Draw rate is set too fast.

a. Adjust draw rate:

5 to 7-1/2 oz. (142 g. to

213 g.) of product by

weight in 10 seconds.

b. Pump assembled

incorrectly.

b. Assemble and lubricate

according to instructions

in this manual.

c. Freezing cylinder not

primed correctly.

c. Drain the freezing cylinder

and reprime the machine.

Important: Operator Checklist

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Section 9

Parts Replacement Schedule

PART DESCRIPTION

EVERY 3 MONTHS

EVERY 6 MONTHS

ANNUALLY

Scraper Blade

Drive Shaft Seal

Freezer Door Gasket

Front Bearing

Front Beater Shoes

Design Caps

Draw Valve O-Ring

Mix Feed Tube O-Ring

Pump O-Ring

Prime Plug O-Ring

Pump Valve Gasket

Mix Feed Tube Check Ring

Pump Drive Shaft O-Ring

White Bristle Brush, 3” x 7”

Inspect & Replace

if Necessary

Minimum

White Bristle Brush, 1” x 2”

Black Bristle Brush, 1” x 2”

Double-Ended Brush

Inspect & Replace

if Necessary

Inspect & Replace

if Necessary

Inspect & Replace

if Necessary

Model C722

Parts Replacement Schedule

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Section 10

Parts List

120413

Parts List

Model C722

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Model C722

Parts List

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Parts List

Model C722

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120424

Model C722

Parts List

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120424

Parts List

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Model C722

Parts List

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Parts List

Model C722

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Model C722

Parts List

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Parts List

Model C722

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Model C722

Parts List

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Parts List

Model C722

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Model C722

080525-27

5/12

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Model C722

080525-40

5/12

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