Taylor Marine Heating System h 71 h 84 User Manual

Models H71/H84

Heat Treatment

Soft Serve Freezers

Operating Instructions

048886-M

1/21/02

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Table of Contents

Section 1

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

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

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

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

Section 2

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

Compressor Warranty Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 3

Section 4

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

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

H71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

H84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beater Door Assembly -- H71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beater Door Assembly -- H84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Feed Tube Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Section 5

Important: To the Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Symbol Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Liquid Crystal Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Indicator Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Reset Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Adjustable Draw Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operating Screen Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operator Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Section 6

Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Priming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Daily Closing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Daily Opening Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Manual Brush Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Draining Product From The Freezing Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Rinsing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Hopper Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Brush Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Models H71 & H84

Table of Contents

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Table of Contents -- Page 2

Section 7

Important: Operator Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

During Cleaning and Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Troubleshooting Bacterial Count: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Regular Maintenance Checks: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Winter Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Section 8

Section 9

Section 10

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Parts Replacement Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

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

in this manual is subject to change without notice.

Table of Contents

Models H71 & H84

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Section 1

To the Installer

This machine is designed for indoor use only.

In the United States, this equipment is intended to be

installed in accordance with the National Electrical

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

the NEC code is the practical safeguarding of persons

and property from hazards arising from the use of

electricity. This code contains provisions considered

necessary for safety. Compliance therewith and

proper maintenance will result in an installation

essentially free from hazard!

DO NOT install the machine in an area where

a water jet could be used. Failure to follow this

instruction may result in serious electrical shock.

Water Connections

(Water Cooled Units Only)

In all other areas of the world, equipment should be

installed in accordance with the existing local codes.

Please contact your local authorities.

An adequate cold water supply must be provided with

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

base pan, two 3/8” I.P.S. (for single-head units) or two

1/2” I.P.S. (for double-head units) water connections

for inlet and outlet have been 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.

Stationary appliances which are not equipped with a

power cord and a plug or other 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.

CAUTION: THIS EQUIPMENT MUST BE

PROPERLY GROUNDED! FAILURE TO DO SO

CAN RESULT IN SEVERE PERSONAL INJURY

FROM ELECTRICAL SHOCK!

Beater rotation must be clockwise as viewed looking

into the freezing cylinder.

Air Cooled Units

Note: The following procedures should be

Air cooled units require a minimum of 3” (76 mm) of

clearance around all sides of the freezer to allow for

adequate air flow across the condensers. Failure to

allow adequate clearance can reduce the refrigeration

capacity of the freezer and possibly cause permanent

damage to the compressors.

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.

To correct rotation on a single-phase unit, change the

leads inside the beater motor. (Follow the diagram

printed on the motor.)

Electrical Connections

Each freezer requires one power supply. Check the

data label on the freezer for fuse, circuit ampacity and

electrical specifications. Refer to the wiring diagram

provided inside of the electrical box, for proper power

connections.

Electrical connections are made directly to the

terminal block. The terminal block is provided in the

main control box located behind the service panel.

050816

Models H71 & H84

To the Installer

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Section 2

To the Operator

The freezer you have purchased has been carefully

engineered and manufactured to give you dependable

operation. The Taylor Models H71 and H84, freezers,

when properly operated and cared for, will produce a

consistent quality product. Like all mechanical

products, this machine 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.

Compressor Warranty Disclaimer

The refrigeration compressor(s) 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.

This Operator’s Manual should be read before

operating or performing any maintenance on your

equipment.

Your Taylor freezer will NOT eventually compensate

and correct for 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 all personnel responsible for the

equipment’s operation review these procedures in

order to be properly trained and to makesure that there

is no confusion.

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.

In the event that you should require technical

assistance, please contact your local authorized

Taylor Distributor.

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.

The Taylor Company 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.

The user is responsible for returning the product to the

appropriate collection facility, as specified by your local

code.

For additional information regarding applicable local

laws, please contact the municipal facility and/or local

distributor.

050816

To the Operator

Models H71 & H84

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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 servicetechnician.

As an example, warning labels have been attached to

the freezer to further point out safety precautions to the

operator.

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 the door, beater, scraper

blades, or drive shaft unless the power

switch is in the OFF position.

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.

Failure to follow these instructions may result in severe

personal injury from hazardous moving parts.

DO NOT put objects or fingers in door

spout.

USE EXTREME CAUTION when removing

To Operate Safely:

the beater assembly.

DO NOT operate the freezer without reading

this operator’s manual. Failure to follow this instruction

may result in equipment damage, poor freezer

performance, health hazards, or personal injury.

Failure to follow these instructions may result in

contaminated product or personal injury from blade

contact.

DO NOT draw product during the HEAT cycle

DO NOT operate the freezer unless it is

properly grounded.

because of high product temperatures.

DO NOT operate the freezer with larger

fuses than specified on the freezer data

label.

DO NOT attempt any repairs unless the

main power supply to the freezer has been

disconnected.

This freezer must be placed on a level

surface. Failure to comply may result in personal injury

or equipment damage.

DO NOT obstruct air intake and discharge openings:

3” (76 mm) minimum air space around all sides. Install

the deflector provided to prevent recirculation of warm

air. Failure to follow this instruction may cause poor

freezer performance and damage to the machine.

Failure to follow these instructions may result in

electrocution. Contact your local authorized Taylor

Distributor for service.

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.

DO NOT use a water jet to clean or rinse the

freezer. Failure to follow this instruction may result in

serious electrical shock.

050816

Safety

Models H71 & H84

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Section 4

Operator Parts Identification

H71

Operator Parts Identification

Models H71 & H84

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H71 Parts Identification

ITEM

DESCRIPTION

COVER-HOPPER

PART NO.

ITEM

DESCRIPTION

TRAY-DRIP 14.8

PART NO.

053809

*21

046275

046177

X45630

018794

011694

012347

046391

017471

043934

046390

PANEL A.-LOWER SIDE

AGITATOR A. *HT*20 QT.

PANEL-UPPER·SIDE-LEFT

STUD-NOSE CONE

X39075-SER

X44797

SHIELD-SPLASH-WIRE

PANEL A.-FRONT

024426

CASTER-SWV 5/8 STEM 4IN

SCREW

022822

PANEL-REAR

026980

CARRIAGE BOLT

PANEL-UPPER SIDE RIGHT

PAN-DRIP 11-5/8 LONG

PANEL A.-LOWER SIDE

ADAPTOR A.-CASTER

PANEL-SERVICE

028823

TRIM-REAR CORNER-RIGHT

LOUVER SIDE-R&L

027503

X24424-SER

X18915

PIN-RETAINER-HOPPER CVR

TRIM-REAR CORNER-LEFT

046392

*NOT SHOWN

Models H71 & H84

Operator Parts Identification

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H84

Operator Parts Identification

Models H71 & H84

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H84 Parts Identification

ITEM

DESCRIPTION

COVER-HOPPER

PART NO.

ITEM

DESCRIPTION

PART NO.

053809

*22

SHIELD-SPLASH-WIRE

TRAY-DRIP 22-13/16 X 5-1/8

PANEL A.-FRONT

046170

046171

X46167

018794

017471

028288

013663

011694

043934

012347

013761

AGITATOR A. *HT*20 QT.

PANEL-UPPER SIDE LEFT

PAN-DRIP 17-1/4”LONG

STUD-NOSE CONE

X44797

028822

027504

CASTER-SWV 5/8 STEM 4IN

LOUVER-SIDE-RIGHT

LOUVER-SIDE-LEFT

022822

PANEL A.-SIDE LOWER LEFT

PANEL-SERVICE

X46447-SER

046229

TRIM-REAR·CORNER·RIGHT

SCREW

ADAPTOR A.-CASTER

PANEL-REAR

X18915

044632

PIN-RETAINER-HOPPER CVR

CARRIAGE BOLT

PANEL-UPPER SIDE RIGHT

PANEL A.-SIDE LOWER R

028823

X46448-SER

TRIM-REAR·CORNER·LEFT

*NOT SHOWN

Models H71 & H84

Operator Parts Identification

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Beater Door Assembly -- H71

ITEM

DESCRIPTION

DOOR A.-1 SPOUT

PART NO.

ITEM

DESCRIPTION

DESIGN CAP

PART NO.

X51531-9

X33582

014402

014218

032560

X22820

016272

032564

050216

035174

048926

021508

VALVE A.-DRAW

DRIVE SHAFT SEAL

PIVOT PIN

O-RING (DRAW VALVE)

BEATER ASSEMBLY

HANDLE A.-DRAW-ADJ.

X31761

X44212

044197

O-RING (PIVOT PIN)

DRIVE SHAFT

5a DRAW HANDLE

FRONT BEARING

SCRAPER BLADE

GASKET (FREEZER DOOR)

STUD NUT

5b SCREW-ADJUSTMENT

5c O-RING (SCREW ADJ.)

5d NUT-JAM 5/16-24

055092

015872

029639-BLK

Operator Parts Identification

Models H71 & H84

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Beater Door Assembly -- H84

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

SEAL-DRIVE SHAFT

SHAFT-BEATER

032560

032564

035174

X31761

034698

050216

9c O-RING-1/4 OD X .070W 50

9d NUT-JAM 5/16-24

015872

029639-BLK

016272

BLADE-SCRAPER-PLASTIC

BEATER A.-3.4QT-HELICORE

SEAL-DRAW VALVE

BEARING-FRONT

O-RING-5/16 OD X .070W

ROD A.-PIVOT

X20683

NUT-STUD LONG

034382

VALVE A.-DRAW*SELF CLEAN X33582

O-RING-7/8 OD X .103W 014402

CAP-DESIGN-1.010”ID-6 POINT 014218

GASKET-DOOR HT 4”-DOUBLE 048926

DOOR A.-3 SPOUT

X51532-11

HANDLE A.-DRAW-ADJ. STLS

X33687

028804

NUT-STUD SHORT

034383

X37376

9a HANDLE-ADJUSTABLE

VALVE A.-DRAW CENTER

9b SCREW-ADJUSTMENT-5/16-24 055092

Models H71 & H84

Operator Parts Identification

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Feed Tube Assembly

ITEM

DESCRIPTION

AIR ORIFICE

PART NO.

ITEM

DESCRIPTION

PART NO.

022465--100

016137

TUBE--FEED--INNER--O--RING

TUBE--FEED--OUTER

018550

X34641

1a O--RING

TUBE--FEED--INNER

X32824--2

T U B E -- F E E D -- O U T E R -- O -- R I N G 018572

Operator Parts Identification

Models H71 & H84

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Accessories

ITEM

DESCRIPTION

PART NO.

ITEM

DESCRIPTION

PART NO.

BRUSH-MIX PUMP BODY-3 X 7

BRUSH-END-DOOR-SPOUT

KIT A.-TUNE UP-H71

023316

BRUSH-REAR BRG 1IN.D X 2IN 013071

BRUSH-DRAW VALVE 1”ODX2” 013073

LUBRICANT-TAYLOR HI PERF. 048232

039719

X49463-10

X49463-3

013072

KIT A.-TUNE UP-H84

PAIL-MIX 10 QT.

013163

041082

BRUSH-DOUBLE ENDED

SANITIZER·KAY-5·125·PKTS

*NOT SHOWN

Models H71 & H84

Operator Parts Identification

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Section 5

Important: To the Operator

H71

H84

ITEM

DESCRIPTION

ITEM

DESCRIPTION

POWER SWITCH (TOGGLE)

LCD DISPLAY

MIX OUT INDICATOR LIGHT

HEAT MODE INDICATOR LIGHT

CLEAN MANUALLY INDICATOR LIGHT

KEYPADS

MIX LOW INDICATOR LIGHT

Important: To the Operator

Models H71 & H84

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Symbol Definitions

Indicator Lights

MIX LOW - When the MIX LOW light begins to flash,

it indicates the mix hopper has a low supply of mix and

should be refilled as soon as possible. On double head

units, the word “LOW” will also display on the LCD

indicator next to the word “MIX”.

To better communicate in the International arena, the

words on many of our operator switches and buttons

have symbols to indicate their functions. Your Taylor

equipment is designed with these International

symbols.

MIX OUT - When the MIX OUT light begins to flash, it

indicates the mix hopper has been almost 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 press the AUTO key.

The freezer will automatically begin operation.

The following chart identifies the symbol definitions

used on the operator switches.

= AUTO

HEAT MODE - When the HEAT MODElight is flashing,

it indicates that the freezer is in the process of a heat

cycle.

= ON

= OFF

CLEAN MANUALLY - When the CLEAN MANUALLY

light is flashing, it indicates that the machine must be

disassembled and brush cleaned within 24 hours.

= WASH

When the MIX LOW, MIX OUT HEAT MODE, and

CLEAN MANUALLY indicator lights are all flashing,

this signifies a locked condition.

= MENU

= MIX LOW

= MIX OUT

Reset Mechanism

The reset button is located in the service panel. The

Model H84 has two reset mechanisms, one for each

side of the freezer.

= HEAT MODE

= CLEAN MANUALLY/BRUSH CLEAN

= POWER

The reset mechanism protects the beater motor 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 to the ON

position. Clear the fault. Press the WASH key and

observe the freezer’s performance. Open the side

access panel to check if the beater motor is turning the

drive shaft in a clockwise (from operator end) direction

without binding.

Power Switch

When placed in the ON position, the power switch

allows Softecht control panel operation.

Warning: Do not use metal objects to

press the reset button. Failure to comply may

result in severe personal injury or death.

Liquid Crystal Display

If it is turning properly, press the WASH key to cancel

cycle. Press the AUTO key on both sides of the

machine to resume normal operation. If the freezer

shuts down again, contact your authorized service

technician.

The Liquid Crystal Display (LCD) is located on the front

control panel. The LCD is used to show the current

mode of operation, and whether or not there is

sufficient mix.

Models H71 & H84

Important: To the Operator

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This screen will be displayed, with the alarm on, for 60

seconds or until any key is pressed.

Adjustable Draw Handle

After the safety timeout has been completed, and the

power switch is OFF, one of the following screens is

displayed.

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. of product by weight per 10 seconds. To

INCREASE the flow rate, turn the screw

COUNTERCLOCKWISE, and CLOCKWISE to

DECREASE the flow rate. In addition, for purposes of

SANITIZING and RINSING, the flow rate can be

increased by removing the pivot pin and placing the

restrictive bar on the TOP. When drawing product,

always have the restrictive bar on the BOTTOM.

The first screen is displayed if the machine is not in a

brush clean state. If any of the requirements for a

brush clean have not been met, the time displayed will

remain at 5:00 minutes.

H71 Screen:

POWER SWITCH OFF

TIME: 4:40

HOPPER: 62.1

BARREL: 67.7

IMPORTANT: Once the draw rate is set, tighten the

lock nut with a wrench.

H84 Screen:

POWER SWITCH OFF

OUT

68.5

69.5

TIME: 4:40

HOPPER

BARREL

OUT

62.1

67.7

Operating Screen Descriptions

When all the requirements for a brush cleaning are

met, and the five minutes expire, the screen will

change to the second screen, which is the standard

power switch OFF screen.

When the machine is powered the system willinitialize.

The screen will display “INITIALIZING”. There will be

four types of data the system will check: LANGUAGE,

SYSTEM DATA, CONFIG DATA, and LOCKOUT

DATA. During the INITIALIZING... LANGUAGE

screen, the alarm will be on. If the system data,

configuration data, or lockout history data has become

corrupt, the following screen will alert the operator that

the system settings may have been changed.

POWER SWITCH OFF

-- = -- = -- = -- = -- = --

UNIT CLEANED

When the power switch is set in the ON position, the

system mode of operation screen is displayed. In this

example, the machine is ON, but no mode of operation

has been selected. The second line of the display

indicates whether there is a sufficient supply of mix in

the hopper or if there is a LOW or OUT mix condition

(H84 only). The third line of the display shows the

temperature of the mix hopper. After pressing the

AUTO key, the last line of the display shows the month

and date (MM = month, DD = day) that the machine

needs to be disassembled and brush cleaned.

NVRAM FAULT

RESET TO DEFAULTS

PRESS SEL KEY

Once the system has initialized the SAFETY

TIMEOUT screen is displayed and the alarm is turned

on.

H71 Screen:

MODE: OFF

SAFETY TIMEOUT

ANY KEY ABORTS

HOPPER TEMP: 40.0F

BRUSH CLEAN ON: MM/DD

Important: To the Operator

Models H71 & H84

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H84 Screen:

The following displays pertain to the HEAT cycle:

While in the heating phase, you will see this display. It

shows the present temperature of the hopper.

OFF

:MODE:

:MIX:

OFF

H71 Screen:

40.0F

HOPPER

40.0F

MODE: HEAT

PHASE: HEAT

BRUSH CLEAN ON: MM/DD

HOPPER TEMP: 140.0 F

BRUSH CLEAN ON: MM/DD

The next display indicates the freezer is operating in

two different modes. The following information is

given:

H84 Screen:

HEAT

140.0F

:MODE:

:PHASE:

HOPPER

HEAT

140.0F

The machine is operating in the WASH mode, the

temperature of the mix hopper is 40_F (4.4_C), andthe

machine needs to be brush cleaned on October 31st.

BRUSH CLEAN ON: MM/DD

H71 Screen:

MODE: WASH

CAUTION: DO NOT draw product or

attempt to disassemble the unit during the HEAT

cycle. The product is hot and under extreme

pressure.

The mix temperature must be raised above 151_F

(66.1_C) within 90 minutes or the freezer will be locked

in STANDBY, and the cycle failure display will appear.

HOPPER TEMP: 40.0 F

BRUSH CLEAN ON: 10/31

In the example, the hopper temperature is 140_F

(60_C). The phase shows that the machine is in the

heat phase of the heat treatment cycle.

H84 Screen:

When the heating phase is complete, the freezer goes

into the holding phase of the cycle. The holding phase

will hold the temperature above 151_F (66.1_C) for a

minimum of 30 minutes.

The next display indicates the freezer is operating in 3

different modes. The following information is given:

In this example, the hopper temperature is 151_F

The left side of the freezer is operating in the

STANDBY mode, and the mix level in the hopper is

OUT. The right side is operating in the WASH mode,

and the mix level in the hopper is LOW. The

temperature of the mix in both hoppers is 40_F.

(4.4_C.), and the machine needs to be brush cleaned

on October 31st.

(66.1_C).

H71 Screen:

MODE: HEAT

PHASE: HOLD

HOPPER TEMP: 151.0 F

BRUSH CLEAN ON: MM/DD

H84 Screen:

STANDBY

OUT

40.0F

:MODE:

:MIX:

HOPPER

WASH

LOW

40.0F

HEAT

HOLD

151.0F

:MODE:

:PHASE:

HOPPER

HEAT

HOLD

151.0F

BRUSH CLEAN ON: 10/31

BRUSH CLEAN ON: MM/DD

Models H71 & H84

Important: To the Operator

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The final phase of the heat treatment cycle is the

cooling phase. Now the freezer must cool the mix

below 41_F (5_C). If the product fails to cool in two

hours, the freezer will lock out.

Hard Lock: There are two causes for a hard lock:

1. Fourteen days have elapsed since the last

brush cleaning. The following screen will be

displayed.

This example illustrates that the temperature is being

lowered, but has not yet reached the set point.

14 DAY TIMEOUT

CLEANING REQ’D

FREEZER LOCKED

PRESS SEL KEY

H71 Screen:

MODE: HEAT

PHASE: COOL

HOPPER TEMP: 55.0 F

BRUSH CLEAN ON: MM/DD

2. There has been a thermistor failure (freezing

cylinder, hopper, or glycol) during the heat

treatment process.

SYSTEM FAULT

SERVICE REQ’D

FREEZER LOCKED

PRESS SEL KEY

H84 Screen:

HEAT

COOL

55.0F

:MODE:

:PHASE:

HOPPER

HEAT

COOL

55.0F

All four LED’s on the front of the freezer will light. Press

the SEL key.

BRUSH CLEAN ON: MM/DD

The next display is the screen which will appear after

the failure message. To comply with health codes, heat

treatment system freezers must complete a heat

treatment cycle daily, and must also be brush cleaned

every 14 days. Brush cleaning is the normal

disassembly and cleaning procedures. Failure to

follow these guidelines will cause the control to lock the

freezer out of the AUTO mode. Press the WASH key.

The entire heat treatment cycle must be completed in

four hours.

When the entire heat cycle has been completed, the

normal display will appear, showing the machine in the

STANDBY mode. The machine may now be placed in

the AUTO mode or left in the STANDBY mode.

NO AUTO OPERATION

ALLOWED UNTIL

H71 Screen:

BRUSH CLEANING

PRESS WASH KEY

MODE: STANDBY

HOPPER TEMP: 41.0 F

BRUSH CLEAN ON: MM/DD

The next display is the screen which will appear after

the brush cleaning message and illustrates that the

control is in the OFF mode and the machine needs to

be disassembled and brush cleaned.

H84 Screen:

H71 Screen:

MODE: OFF

STANDBY

:MODE:

:MIX:

STANDBY

41.0F

HOPPER

41.0F

HOPPER TEMP: 41.0 F

FREEZER LOCKED

BRUSH CLEAN ON: MM/DD

Important: To the Operator

Models H71 & H84

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H84 Screen:

If the temperature of the product has not fallen below

41_F (5_C) by the end of the COOL cycle, thefollowing

screen will appear.

OFF

:MODE:

:MIX:

OFF

41.0F

FREEZER LOCKED

HOPPER

41.0F

PRODUCT OVER TEMP

FREEZER LOCKED

PRESS SEL KEY

Soft Lock: If a heat treatment cycle has not been

initiated within the last 24 hours, all four LED’s on the

front of the machine will light and a message will

appear on the LCD. Line 3 of the LCD will indicate the

reason the message appears. Following are the

variable messages which will appear on line 3:

Press the SEL key to advance to the next display.

When one of these messages appears, automatic

freezer operation cannot take place until the freezer is

disassembled and brush cleaned or has completed a

heat treatment cycle. The next display will instruct the

operator to start a heat treatment cycle manually (by

pressing the AUTO key), or to disassemble and brush

clean the freezer. If the AUTO key is pressed, the

freezer will automatically start the heat treatment cycle

and only the heat cycle LED will light.

1. POWER SWITCH OFF: Power switch was in

the OFF position.

2. MIX OUT PRESENT: There was mix out

condition present.

NO AUTO OPERATION

ALLOWED. PRESS

AUTO FOR HEAT CYCLE

WASH TO BRUSH CLEAN

3. AUTO OR STANDBY OFF: The unit was not in

the AUTO or STANDBY mode.

4. NO HEAT CYCLE TRIED: A heat treatment

cycle was not attempted in the last 24 hours.

(AUTO HEAT TIME was advanced, or a power

loss was experienced at the time the cycle was

to occur, or a heat cycle failure not due to a

thermistor failure.)

If the WASH key is pressed, the next display will

appear and the freezer will have to be disassembled

and brush cleaned.

H71 Screen:

MODE: OFF

NO HEAT TREAT START

BECAUSE

VARIABLE MESSAGE

PRESS SEL KEY

HOPPER TEMP: 41.0F

FREEZER LOCKED

H84 Screen:

If the following screen appears, a soft lock has

occurred during the heat treatment cycle.

OFF

:MODE:

:MIX:

OFF

41.0F

HOPPER

41.0F

FREEZER LOCKED

HEAT TREAT CYCLE

FAILURE

FREEZER LOCKED

PRESS SEL KEY

Once the freezer is unlocked by starting a heat

treatment cycle, only the heat cycle LED will light. If the

freezer is unlocked by brush cleaning, the mix low and

mix out LED’s will light.

Models H71 & H84

Important: To the Operator

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7. GLYCOL THERM BAD: Place the power

switch in the OFF position. Call a service

technician.

Operator Menu

The OPERATOR MENU is used to enter the operator

function displays. To access the OPERATOR MENU,

simply press the MENU key. The cursor will flash over

the letter “A” indicating that this is screen “A”. To select

a different screen, use the arrow keys and move the

cursor to the desired screen selection and press the

SEL key.

8. HOPPER OVER TEMP: The hopper

temperature has risen too high as follows. Clear

the tone.

a. The hopper temperature reaches 41_F.

(5_C.) or higher after a power failure.

OPERATOR MENU

A B C D E F G H I J

EXIT FROM MENU

b. The hopper temperature has not fallen below

41_F. (5_C.) by the end of the COOL phase

in the heat cycle.

<- - - - - ->

SEL

9. BARREL OVER TEMP: The barrel (freezing

cylinder) temperature has risen too high as

follows. Clear the tone.

Screen “B” is FAULT DESCRIPTION. The fault

description will indicate if there is a fault with the

freezer and the side of the freezer where the fault

occurred. To clear the tone for any faults which have

been corrected, press the left arrow key. To see if there

is more than one fault per cylinder, press the SEL key.

When the last fault is displayed, the control will return

to the OPERATOR MENU. To return to the main

screen, move the cursor to “A” and press the SEL key

again.

a. The barrel (freezing cylinder) temperature

reaches 41_F. (5_C.) or higher after a power

failure.

b. The barrel (freezing cylinder) temperature

has not fallen below 41_F. (5_C.) by the end

of the COOL phase in the heat cycle.

Listed below are the variable messages which will

appear, along with the corrective action:

10. POWER FAILURE: This message will appear

in the FAULT DESCRIPTION if a power failure

has occurred. Clear the tone.

1. NO FAULT FOUND: There was no fault found

in the freezer. Nothing will appear on the screen

after this variable message appears.

2. BEATER OVERLOAD: Press the reset button

firmly. Clear the tone.

H71 Screen:

3. 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. Clear the tone.

FAULT DESCRIPTION

VARIABLE MESSAGE

CLR

SEL

4. COMP ON TOO LONG: Place the power

switch in the OFF position. Call a service

technician. Clear the tone.

H84 Screen:

5. HOPPER THERM BAD: Place the power

switch in the OFF position. Call a service

technician.

FAULT DESCRIPTION

L: VARIABLE MESSAGE

R: VARIABLE MESSAGE

CLR

6. BARREL THERM BAD: Place the power

switch in the OFF position. Call a service

technician.

SEL

Important: To the Operator

Models H71 & H84

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Screen “C” is SET CLOCK. This screen will display the

current date and time. The date and time may be

changed only after the freezer has been manually

brush cleaned, but before it has been placed in the

AUTO mode. Move the cursor under the number you

wish to change. Press the plus key to increase the

number; press the minus key to decrease the number.

When the desired time and date appears, press the

SEL key once to return to the OPERATOR MENU.

Press the SEL key to view the third screen of the

SYSTEM INFORMATION display. This screen will

indicate the Bill of Material number and serial number

of the unit. Press the SEL key once to return to the

OPERATOR MENU.

B.O.M.

S/N

PH7133B000

K0000000

SEL

SET CLOCK

10:21 AM

-- --

<- - - - - ->

06/07/2001

+++

Screen “E” is AUTO HEAT TIME. This screen is used

to set the time of day in which the heat treatment cycle

will start. Move the cursor under the number you wish

to change. Press the plus key to increase the number;

press the minus key to decrease the number. When

the desired time appears, press the SEL key once to

return to the OPERATOR MENU.

-- -- --

SEL

If an illegal date is entered, the following screen will

appear. The correct date must be entered before

leaving this display.

AUTO HEAT TIME

TIME: 12:00 AM

-- --

SET CLOCK

10:34 AM

-- --

<- - - - - ->

02/30/2002

I N V A L I D D A T E

+++

<- - - - - ->

+++

-- -- --

SEL

-- -- --

SEL

Screen “F” is CURRENT CONDITIONS. This screen

gives the viscosity of the product and the hopper and

barrel temperatures. The last line of the display is the

compressor countdown safety timer. The safety timer

prevents the compressor from running more than 11

minutes (other than during the cooling phase of the

heat treatment cycle).

Screen “D” is SYSTEM INFORMATION. The first

screen will indicate the software version used in the

unit.

Press the SEL key once to view the SERVINGS

COUNTER screen.

SOFTWARE VERSION

H71Control UVC2

Version 2.00

H71 Screen:

SEL

VISC

HOPPER

38.5

BARREL

28.5

Press the SEL key to view the second screen of the

SYSTEM INFORMATION display. This screen will

indicate the language, version number and language

strings used in the unit.

TIME C

11:00

H84 Screen:

Language

V1.10r00

VISC

HOPPER

38.5

BARREL

28.5

English 459

0.0

38.5

18.0

SEL

TIME C

11:00

Models H71 & H84

Important: To the Operator

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The SERVINGS COUNTER screen indicates the

number of times the draw switch has closed (number

of draws) since the last brush cleaning or since the last

serving counter reset. A maximum of 32,767 draws

can be recorded; an additional draw will cause the

counter to restart at zero. Pressing the MENUkey/SEL

will return the display to the Operator Menu.

Listed below are the variable messages which could

appear:

HT Failure in the heating phase.

CL Failure in the cooling phase.

TT Failure in meeting total heat treatment cycle

time requirement.

H71 Screen:

MO Mix out condition.

SERVINGS COUNTER

DRAWS

OP Operator interruption.

PF Power failure. (If a power failure occurs, but

the heat treatment cycle does not fail, an

asterisk (*) will appear on the third line of the

display.)

SEL

H84 Screen:

BO Beater overload.

SERVINGS COUNTER

HO High pressure cut-out.

LEFT

RIGHT

TH Failed thermistor probe.

PS Power switch placed in the OFF position.

ML Mix Low Condition.

SEL

Draws are counted during the AUTO mode of

operation only.

14 14 Day Timeout Occurred.

RC Heat Cycle Record Cleared.

Screen “G” is HEAT CYCLE DATA. The information

from the previous heat treatment cycles can be

obtained through this screen. The most recent heat

treatment cycle data will be shown first; press the plus

key to scroll through the remaining heat cycle displays.

If a heat treatment cycle failure should occur, a 2

character message will appear on the second line of

the screen. Press the SEL key once to return to the

OPERATOR MENU.

11/07

HEAT

01:09

02:00

OVER

00:45

05:09

COOL

01:14

TEMP AT END 38.5

Important: To the Operator

Models H71 & H84

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Pressing the left arrow key on any HEAT CYCLE DATA

screen will cause the extended data screen to be

displayed. This screen shows the hopper, barrel, and

glycol temperatures, and the amount of time the

freezer spent in the phases of the heat cycle when the

heat cycle completed, or was terminated.

Screen “I” is the SERVICE MENU. This screen can

only be accessed by a service technician.

Screen “J” is the STANDBY MODE. To place the

freezer in the STANDBY mode, move the cursor under

the word “yes”. Press the SEL key to execute the

command. Pressing the SEL key again will return you

to the main screen. To exit the STANDBY mode and

place the unit in AUTO, press the AUTO key once.

Pressing the AUTO key again will place the unit in the

OFF mode.

H71 Screen:

HOPPER

151.0

BARREL

134.5

GLYCOL

178.0

H71 Screen:

PHASE TIME: 1:20

H84 Screen:

STANDBY MODE

STANDBY

YES

-- -- --

HOPPER

151.0

BARREL

134.5

GLYCOL

98.1

<- - - - - ->

SEL

153.0

136.0

PHASE TIME: 1:20

H84 Screen:

Screen “H” is the LOCKOUT HISTORY. This screen

displays a history of the last 40 hard locks, soft locks,

and brush clean dates. Page numbers are indicated in

the upper right hand corner. Page 1 always contains

the most recent failure. Press the +++ key to cycle

through the pages.

STANDBY MODE

LEFT

YES

-- -- --

<- - - - - ->

SEL

The second line of the screen displays the date and

time a failure occurs. The third line indicates the

reason for a failure, or will indicate a successful brush

cleaning has occurred. Some failures occur for

multiple reasons. When this occurs, a page will be

generated for each reason. Press the SEL key once to

return to the Operator Menu, or twice to return to the

Main Screen.

STANDBY MODE

RIGHT

-- -- --

<- - - - - ->

LOCKOUT HISTORY

06/11/01

02:08

SOFTLOCK ABORT

+ + +

-- -- --

S E L

Models H71 & H84

Important: To the Operator

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Section 6

Operating Procedures

The “Operator Parts Identification” section in this

manual has been included to identify components

referenced in these instructions. If this is the first time

you have read these procedures, please turn to the

“Operator Parts Identification” section, and familiarize

yourself with these components before proceeding

with the instructions.

Step 1

Lubricate the groove and shaft portion that come in

contact with the bearing on the beater drive shaft. Slide

the seal over the shaft and groove until it snaps into

place. DO NOT lubricate the hex end of the drive shaft.

Fill the inside portion of the seal with 1/4” more

lubricant. Lubricate the flat side of the seal that comes

in contact with the bearing.

Each unit stores mix in a hopper. The mix then flows

through a mix feed tube down into the freezing

cylinder. They both have 3.4 quart (3.2 liter) capacity

freezing cylinders and 20 quart (18.9 liter) mix

hoppers; one each for the Model H71 and two each for

the Model H84.

Duplicate, where they apply, the following steps for the

two freezing cylinders on the Model H84.

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.

The following 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 product.

Figure 1

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 32 “Disassembly”, and start

there.

Note: Make sure the seal is not installed inside-out.

The ridge that protrudes in the center of the sealshould

be on the outside.

Assembly

Note: When lubricating parts, use an approved food

grade lubricant (Example: Taylor Lube HP).

MAKE SURE POWER SWITCH IS IN THE

“OFF” POSITION! Failure to follow this instruction

may result in severe personal injury from hazardous

moving parts.

Be certain your hands are sanitized before

assembling the freezer.

Figure 2

Operating Procedures

Models H71 & H84

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Install the drive shaft. Insert the drive shaft into the

freezing cylinder, hex end first, and into the rear shell

bearing until the seal fits securely over the rear shell

bearing. Be certain the drive shaft fits into the drive

coupling without binding.

Holding the beater securely, slide the beater into the

freezing cylinder about one-third of the way in. Looking

into the freezing cylinder, align the hole at the rear of

the beater with the flats on the end of the drive shaft.

Slide the beater the remainder of the way into the

freezing cylinder and over the end of the drive shaft.

The beater should fit snugly but not so tightly that the

beater cannot be turned slightly to engage the drive

shaft.

Figure 3

Step 2

Install the beater assembly. First check the scraper

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

present, replace both blades.

Figure 5

Repeat Steps 1 and 2 for the other side of the freezer

on the Model H84.

USE EXTREME CAUTION when handling

the beater assembly. The scraper blades are very

sharp and may cause injury.

Step 3

Assemble the freezer door. Place the large rubber

gasket(s) in the groove(s) on the back side of the

freezer door.

If the blades are in good condition, take one of the

scraper blades and slip it under the hook at the front

of the beater. Wrap the blade around the beater,

following the helix and pushing the blade down onto

the helix as you wrap. At the back end of the beater,

slip the blade under the hook.

Slide the white plastic front bearing(s) onto the bearing

hub(s), making certain that the flanged end of the

bearing is resting against the freezer door. DO NOT

lubricate the gasket(s) or the front bearing(s).

Figure 6

Figure 4

Note: There are two gaskets and two front bearings

for the Model H84 door, one for each freezing cylinder.

Repeat this step for the second scraper blade.

Models H71 & H84

Operating Procedures

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Step 4

Lubricate the inside of the freezer door spout(s), top

and bottom, and insert the draw valve(s) from the

bottom until the slot in the draw valve(s) comes into

view.

Install the freezer door. Insert the baffle rod(s) through

the opening in the beater assembly(ies) and seat the

door flush with the freezing cylinder(s). With the door

seated on the freezer studs, install the handscrews.

Tighten equally in a criss-cross pattern to insure the

door is snug.

Figure 9

Step 6

Install the draw handle(s). Slide the o-ring into the

groove on the pivot pin, and lubricate.

Figure 7

Note: On the Model H84, the short handscrews go on

the bottom and the long handscrews go on top.

Step 5

Install the draw valve(s). Slide the three o-rings into the

grooves on the draw valve(s) and lubricate.

Figure 10

Slide the fork of the draw handle over the bar in the slot

of the draw valve. Secure with pivot pin.

Figure 8

Note: The Model H84 has three draw valves. For the

left and right draw valves, follow the assembly and

lubrication procedures explained previously. The

center draw valve uses a seal and an o-ring. Slide the

seal and o-ring into the grooves on the draw valve, and

lubricate.

Figure 11

Operating Procedures

Models H71 & H84

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Note: The Model H84 has three draw handles. Slide

the fork of the draw handle in the slot of the draw valve,

starting from right to left. Slide the pivot pin through

each draw handle as you insert them into the draw

valves.

Step 9

Slide the three o-rings into the grooves of the inner air

tube.

Step 7

Install the front drip tray and the splash shield under

the door spout(s).

Figure 14

Slide the two o-rings into the grooves of the outer air

tube.

Figure 12

Step 8

Slide the rear drip pan into the hole in the side panel.

Figure 15

Slide the small o-ring into the groove of the air orifice.

12077

Figure 13

Figure 16

Models H71 & H84

Operating Procedures

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Step 10

Step 4

Lay the inner air tube, outer air tube, and agitator in the

bottom of the mix hopper for sanitizing.

Press the WASH key and allow the sanitizing solution

in the freezing cylinder to agitate for five minutes.

12151

Figure 18

Figure 17

Step 5

With a pail beneath the door spout(s), open and close

the draw valve six times. Open the draw valve and

draw off the remaining sanitizing solution.

Repeat Steps 9 and 10 for the other side of the freezer

on the Model H84.

Note: On the Model H84, momentarily open the

center draw valve to sanitize the center door spout.

Sanitizing

Step 6

Once the sanitizer stops flowing from the door spout,

close the draw valve and press the WASH key,

cancelling the beater motor operation.

Step 1

Prepare two gallons (7.6 liters) of an approved 100

PPM sanitizing solution (example: Kay-5r). USE

WARM WATER AND FOLLOW THE MANUFACTUR-

ER’S SPECIFICATIONS.

Step 2

Pour the two gallons (7.6 liters) of sanitizing solution

over all the parts in the bottom of the mix hopper and

allow it to flow into the freezing cylinder.

Note: You have just sanitized the mix hopper and

parts; therefore, be sure your hands are sanitized

before going on in these instructions.

Repeat these steps for the other side of the freezer on

the Model H84.

Figure 19

Step 3

Note: Be sure your hands are clean and sanitized

before going on in these instructions.

Place the power switch in the ON position.

Operating Procedures

Models H71 & H84

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Step 7

Step 9

Lubricate the o-rings on the inner and outer air tubes.

DO NOT lubricate the o-ring on the air orifice. Place

the inner air tube inside the outer air tube.

Stand the assembled air tube in the corner of the mix

hopper and place the agitator on the agitator housing.

12153

Figure 20

Figure 22

Step 8

Install the air orifice into the hole in the top of the inner

air tube. Make sure the hole in the air orifice is clean

and not blocked.

Note: If the agitator should stop turning during normal

operation, with sanitized hands, remove the agitator

from the agitator housing and brush clean with

sanitizing solution. Install the agitator back onto the

agitator housing.

12152

Repeat Steps 5 through 9 for the other side of the

freezer on the Model H84.

Step 10

Return to the freezer with a small amount of sanitizing

solution. Dip the door spout brush into the sanitizing

solution and brush clean the door spout(s) and bottom

of the draw valve(s).

Figure 21

Note: To assure sanitary conditions are maintained,

brush clean each item for a total of 60 seconds,

repeatedly dipping the brush in sanitizing solution.

Note: If the hole in the air orifice should become

plugged, use soap and hot water to clear the hole.

Caution should be used not to enlarge the hole size in

the air orifice.

Install the design cap(s).

Models H71 & H84

Operating Procedures

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The pin on the inner air tube should be turned and

positioned at the bottom of the notch in the outer air

tube. This will align the holes in the air tubes and allow

mix and air to enter the freezing cylinder.

Priming

Note: Evaluate the condition of LED’s (lights) and

screen messages before performing priming

procedures. If all 4 LED’s are flashing, the unit is

locked.

12155

Step 1

With a mix pail beneath the door spout, open the draw

valve. Pour two gallons (7.6 liters) of FRESH mix into

the mix hopper and allow it to flow into the freezing

cylinder. This will force out any remaining sanitizing

solution. When full strength mix is flowing from the

dispensing spout, close the draw valve.

Figure 25

Step 3

Press the AUTO key. When the unit cycles off, the

product will be ready to serve.

Figure 23

Step 2

When mix stops bubbling down into the freezing

cylinder, install the assembled air tubes in the mix inlet

hole.

Figure 26

Step 4

Fill the hopper with FRESH mix and place the mix

hopper cover in position.

12154

12156

Figure 24

Figure 27

Operating Procedures

Models H71 & H84

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Note: Use only FRESH mix when priming the freezer.

Note: Pressing the left arrow button will stop the

agitator(s) motion for ten seconds.

Repeat Steps 1 through 4 for the other side of the

freezer on the Model H84.

Note: These units feature adjustable draw handles to

provide the best portion control, giving a better,

consistent quality to your product, and controlling

costs. The draw handles can be adjusted for different

flow rates. See page 14 for more information on

adjusting these handles.

IMPORTANT! Once the draw rate is set, tighten the

lock nut with a wrench.

Daily Closing Procedures

THIS PROCEDURE MUST BE PERFORMED

DAILY!

Figure 28

The function of the Heat Treatment Cycle is to destroy

bacteria by raising the temperature of the mix in the

freezing cylinder and the hopper to a specified

temperature for a specified period of time, and then

bringing the temperature back down low enough to

retard spoilage.

Step 4

Remove the design cap(s) from the freezer door

spout(s). Take the hopper cover(s), air orifice(s), air

tube assembly(ies), design cap(s) and agitator(s) to

the sink for further cleaning.

Rinse these parts in cool, clean water. Prepare a small

amount of an approved cleaning solution and brush

clean parts. Place the front drip tray, splash shield,

design cap(s) and air orifice(s) on a clean, dry surface

to air-dry overnight or until heating cycle is complete.

The Heat Treatment Cycle will start at the time

designated in the AUTO HEAT TIME.

IMPORTANT: The level of mix in the mix hopper(s)

must be at the line on the agitator paddle. (The mix low

light must not be on.)

Step 1

Note: If the hole in the air orifice(s) should become

plugged, use soap and hot water to clear the hole.

Caution should be used not to enlarge the hole size in

the air orifice.

The freezer must be in the STANDBY or the AUTO

mode before the Heat Treatment Cycle may be

started. (Both sides of the H84 must be in STANDBY

or AUTO.)

Step 5

Step 2

Prepare a small amount of an approved 100 PPM sani-

tizing solution (example: Kay-5r). USE WARM WA-

TER AND FOLLOW THE MANUFACTURER’S

SPECIFICATIONS. Sanitize the rear drip pan, air tube

assembly(ies), agitator(s) and hopper cover(s).

Remove the hopper cover(s). Remove the rear drip

pan, front drip tray and splash shield and take them to

the sink for further cleaning.

MAKE SURE YOUR HANDS ARE

SANITIZED BEFORE PERFORMING THESE NEXT

STEPS!

Important: Install the agitator(s) back onto the

agitator housing(s).

Step 3

Remove the air orifice(s), feed tube assembly(ies) and

agitator(s).

Note: Pressing the left arrow button will stop the

agitator(s) motion for ten seconds.

Models H71 & H84

Operating Procedures

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Step 6

Note: Once the heating cycle has started it cannot be

interrupted. The heating cycle will take a maximum of

4 hours to complete with full hoppers.

Install the air tube assembly(ies). Lift and turn the inner

air tube of the assembled air tubes so the pin rests on

top of the outer air tube. This will close the hole in the

assembled air tubes, preventing mix in the hopper

from entering the freezing cylinder during the heating

and standby process.

When the heating cycle is complete, the control will

return to the STANDBY mode.

CAUTION: Do not draw product or attempt

to disassemble the unit during the Heat Treatment

Cycle. The product is hot and under extreme

pressure.

There are three phases of the heat cycle; Heating,

Holding and Cooling. Each phase has a time limit. If

any 1 of the 3 phases fails to reach the proper

temperatures within the time limit, the cycle will

automatically abort and return to the STANDBY mode.

The LCD will display the message “HEAT TREAT

CYCLE FAILURE -- FREEZER LOCKED--PRESS

SEL KEY”. The product may not be safe to serve. The

freezer will be locked (soft locked) out of the AUTO

mode. The option is given to press the AUTO key to

begin a new heat cycle or to press the WASH key to

place the side(s) into the OFF mode to allow a brush

clean of the unit.

Figure 29

Replace the hopper cover(s). Install the rear drip pan.

Step 7

Return to the freezer with a small amount of cleaning

solution. With a pail beneath the door, dip the end

brush into the cleaning solution and brush clean the

door spout(s) and bottom of the draw valve(s).

Daily Opening Procedures

Evaluate the condition of LED’s (lights) and screen

messages (Hard Lock or Soft Lock, etc.) before

performing opening procedures. As indicated in the

illustration below, 4 flashing LED’s, indicate a “locked”

condition.

Figure 30

Note: To assure sanitary conditions are maintained,

brush each item for a total of 60 seconds, repeatedly

dipping the brush in cleaning solution.

Figure 31

Step 8

Rinse a single service towel in cleaning solution and

wipe down the freezer door and area around the

bottom of the freezer door.

Note: If the unit is hard locked, refer to the “Manual

Brush Cleaning” section starting on page 31.

Operating Procedures

Models H71 & H84

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Step 1

Manual Brush Cleaning

When the heating cycle is complete, the normal dis-

play will appear, showing the machine in the STAND-

BY mode. Prepare a small amount of an approved 100

PPM sanitizing solution (example: Kay-5r). USE

WARM WATER AND FOLLOW THE MANUFACTUR-

ER’S SPECIFICATIONS.

THIS PROCEDURE MUST BE DONE EVERY 14

DAYS!

Sanitize the design caps, air orifices, front drip tray,

and the splash shield in this solution.

ALWAYS FOLLOW LOCAL HEALTH CODES.

Step 2

Return to the freezer with a small amount of sanitizing

solution. Dip the end brush into the sanitizing solution

and brush clean the door spout and bottom of the draw

valve.

To disassemble your unit, the following items will be

needed:

Two cleaning pails

Note: To assure sanitary conditions are maintained,

brush clean each item for a total of 60 seconds,

repeatedly dipping the brush in sanitizing solution.

Necessary brushes (provided with freezer)

Cleaning solution

Step 3

Single service towels

Rinse a single service towel in sanitizing solution and

wipe down the freezer door and area around the

bottom of the freezer door.

Replace the design caps, air orifices, front drip tray

and the splash shield.

Draining Product From The Freezing

Cylinder

MAKE SURE YOUR HANDS ARE SANITIZED

BEFORE PERFORMING THIS NEXT STEP!

Step 4

Step 1

Lift the hopper cover and turn the inner air tube of the

assembled air tubes so the pin rests at the bottom of

the notch of the outer air tube.

Press the AUTO key, cancelling compressor and

beater motor operation.

12155

Step 2

Remove the hopper cover, agitator, and assembled air

tube from the mix hopper. Take these parts to the sink

for cleaning.

Step 3

With a pail under the door spout, press the WASH key.

Open the draw valve and drain the remaining product

from the freezing cylinder and mix hopper.

Step 4

When the flow of product stops, press the WASH key,

cancelling the wash cycle and close the draw valve.

Discard this product.

Figure 32

Step 5

Press the AUTO key to resume normal operation.

When the unit cycles off, product is ready to serve.

Repeat Steps 1 through 4 for the other side of the

freezer on the Model H84.

Models H71 & H84

Operating Procedures

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Step 8

Rinsing

Place an empty pail beneath the door spout.

Step 1

Step 9

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

the mix hopper. With the brushes provided, scrub the

mix hopper, mix level sensing probes, the outside of

the agitator housing, and the mix inlet hole.

Open the draw valve on the freezer door and draw off

all the solution.

Step 10

Once the cleaner stops flowing from the door spout,

close the draw valve and press the WASH key

cancelling the wash cycle.

Step 2

With a mix pail beneath the door spout, press the

WASH key.

Repeat Steps 1 through 10 for the other side of the

freezer on the Model H84.

Step 3

Open the draw valve on the freezer door. Drain all the

rinse water from the door spout, close the draw valve,

and press the WASH key cancelling the wash cycle.

Disassembly

Repeat this procedure until the rinse water being

drawn from the freezing cylinder is clear.

Note: Failure to remove parts, brush clean and then

air dry these parts, will result in damage to the related

parts. These parts must be removed and the freezer

cleaned every 14 days or the machine will lock-out and

not operate in the AUTO mode.

Repeat Steps 1 through 3 for the other side of the

freezer on the Model H84.

Hopper Cleaning

MAKE SURE POWER SWITCH IS IN THE

“OFF” POSITION! Failure to follow this instruction

may result in severe personal injury from hazardous

moving parts.

Step 1

Prepare two gallons (7.6 liters) of an approved 100

PPM sanitizing solution (example: Kay-5r). USE

WARM WATER AND FOLLOW THE MANUFACTUR-

ER’S SPECIFICATIONS.

Step 1

Remove the handscrews, freezer door, beater(s) and

scraper blades, and drive shaft(s) from the freezing

cylinder(s) and take to the sink for cleaning.

Step 2

Pour the two gallons (7.6 liters) of cleaning solution

into the hopper and allow it to flow into the freezing

cylinder.

Step 2

Remove the front drip tray and splash shield.

Step 3

While the solution is flowing into the freezing cylinder,

brush clean the mix hopper, mix level sensing probes,

the outside of the agitator housing, and mix inlet hole.

Brush Cleaning

Step 1

Step 4

Prepare a sink with an approved cleaning solution

(example: Kay-5r). USE WARM WATER AND

FOLLOW THE MANUFACTURER’S SPECIFI-

CATIONS.

Prepare two more gallons (7.6 liters) of the cleaning

solution.

Step 5

Pour the solution into the mix hopper.

IMPORTANT: Follow label directions, as too

STRONG of a solution can cause parts damage, while

too MILD of a solution will not provide adequate

cleaning. Make sure all brushes provided with the

freezer are available for brush cleaning.

Step 6

Brush the exposed sides of the hopper. Wait at least

5 minutes before proceeding with these instructions.

Step 7

Press the WASH key. This will cause the cleaning

solution in the freezing cylinder to be agitated.

Step 2

Remove the seal(s) from the drive shaft(s).

Operating Procedures

Models H71 & H84

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Step 3

Step 6

From the freezer door, remove the following:

Remove the rear drip pan from the front panel and take

to the sink for cleaning.

gaskets(s)

front bearing(s)

pivot pin

draw handle(s)

design cap(s)

draw valve(s)

Note: If the drip pan is filled with an excessive amount

of mix, refer to the Troubleshooting Guide.

Step 7

Thoroughly brush clean all disassembled parts in the

cleaning solution, making sure all lubricant and mix film

is removed. Take particular care to brush clean the

draw valve core(s) in the freezer door. Place all the

cleaned parts on a clean dry surface to air-dry

overnight.

Remove all o-rings.

Note: To remove o-rings, use a single service towel to

grasp the o-ring. Apply pressure in an upward direction

until the o-ring pops out of its groove. With the other

hand, push the top of the o-ring forward, and it will roll

out of the groove and can be easily removed. If there

is more than one o-ring to be removed, always remove

the rear o-ring first. This will allow the o-ring to slide

over the forward rings without falling into the open

grooves.

Step 8

Wipe clean all exterior surfaces of the freezer.

Step 4

From the inner and outer air tubes, remove the

o-ring(s) and air orifice(s). Remove the o-ring(s) from

the air orifice(s).

Step 5

Return to the freezer with a small amount of cleaning

solution. With the black bristle brush, brush clean the

rear shell bearing(s) at the back of the freezing

cylinder(s).

Figure 33

Models H71 & H84

Operating Procedures

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Section 7

Important: Operator Checklist

j 7. Discard remaining mix from freezer during

During Cleaning and Sanitizing

“Closing Procedures”.

ALWAYS FOLLOW LOCAL HEALTH CODES.

Regular Maintenance Checks:

Cleaning and sanitizing schedules are governed by

your State or local regulatory agencies and must be

followed accordingly. The following check points

should be stressed during the cleaning and sanitizing

operations.

j 1. Replace scraper blades that are nicked or

damaged. Before installing beater, be certain

that scraper blades are properly attached.

j 2. Check rear shell bearing for signs of wear

(excessive mix leakage in rear drip pan) and be

certain it is properly cleaned.

CLEANING AND SANITIZING MUST BE

PERFORMED EVERY TWO WEEKS.

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.

Troubleshooting Bacterial Count:

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

torn, or fit too loosely, and replace with new

ones.

j 1. Thoroughly clean and sanitize machine

regularly, including complete disassembly and

brush cleaning.

j 5. Follow all lubricating procedures as outlined in

“Assembly”.

j 2. Use all brushes supplied for thorough cleaning.

The brushes are specially designed to reach all

mix passageways.

j 6. Check the condenser(s) 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.

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, on pump style

units. Be sure to have a generous amount of

cleaning solution on the brush.

Never use screwdrivers or other

metal probes to clean between the fins.

Failure to comply can result in severe personal

injury from electrical shock.

j 5. Properly prepare the cleaning and sanitizing

solutions. Read and follow 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. On water cooled units, 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 mechanic.

j 6. Temperature of mix in mix hopper and walk-in

cooler should be below 40_F. (4.4_C.).

060111

Important: Operator Checklist

Models H71 & H84

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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 to be left unheated and subject to freezing

conditions.

Your local Taylor Distributor can perform this service

for you.

Wrap detachable parts of the freezer such as beater,

blades, drive shaft, and freezer door, and place in a

protected dry place. Rubber trim parts and gaskets

can be protected by wrapping with moisture-proof

paper. All parts should be thoroughly cleaned of dried

mix or lubrication accumulations 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 spring in 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.

081111

Models H71 & H84

Important: Operator Checklist

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Section 8

Troubleshooting Guide

PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

1. All four LED’s are flashing.

a. The freezer is locked.

a. See soft lock and hard lock

information.

16 -- 17

2. Soft lock message appears on b. More than 24 hours since the

b. Freezer must go through a

Heat Treatment Cycle every

24 hours. Freezer must now

be disassembled and brush

cleaned or placed in a heat

cycle.

LCD.

last heat cycle.

c. Power switch is in the OFF

position.

c. Power switch must be in the

ON position. Freezer must

now be disassembled and

brush cleaned or placed in a

heat cycle.

d. Freezer not in the AUTO or

STANDBY mode.

d. Freezer must be in the AUTO

or STANDBY mode. Freezer

must now be disassembled

and brush cleaned or placed

in a heat cycle.

e. Mix out condition.

e. Hopper should be at least 1/2

full before starting the Heat

Treatment Cycle. Freezer

must now be disassembled

and brush cleaned or placed

in a heat cycle.

f. Agitator not installed.

g. Agitator not rotating.

f. Agitator must be cleaned and

installed before starting the

heat cycle. Freezer must now

be disassembled and brush

cleaned.

g. Agitator must be cleaned

before starting the heat cycle.

Disassemble freezer and

brush clean.

h. Insufficient mix in mix hopper. h. The level of mix in the mix

hopper must be above the mix

low probe before starting the

Heat Treatment Cycle. The

freezer must now be

disassembled and brush

cleaned.

3. Hard lock message appears

on LCD.

a. More than 14 days since last

brush cleaning.

a. Freezer must be

disassembled and brush

cleaned every 14 days.

b. A barrel or hopper thermistor

is faulty.

b. Call a service technician.

Troubleshooting Guide

Models H71 & H84

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PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

4. Drive shaft stuck in gear box

coupling.

a. Rounded corners of drive

shaft, coupling, or both.

a. Call service technician to

correct cause and replace the

necessary components. Do

not lubricate end of drive

shaft.

- - - -

b. Mix and lubricant collected in

drive coupling.

b. Brush clean rear shell bearing

area regularly.

5. No product being dispensed

with draw valve open and

machine in AUTO mode.

a. Freeze-up in mix inlet hole.

a. Call service technician to

adjust hopper temperature.

- - - -

b. Beater rotating counter-clock- b. Contact service technician to

- - - -

wise.

correct rotation to clockwise.

c. Inadequate mix in hopper.

c. Fill hopper with mix.

d. Air orifice not installed.

d. Install in assembled inner air

tubes.

e. Inner air tube in the closed

position.

e. Place inner air tube in the

open position.

6. Product too stiff.

7. Product too soft.

a. Barrel viscosity set too cold.

a. Contact service technician to

adjust barrel viscosity.

- - - -

b. Air orifice not installed.

b. Install in assembled air tubes.

c. Inner air tube in the closed

position.

c. Place inner air tube in the

open position.

a. Barrel viscosity set too warm.

a. Contact service technician to

adjust barrel viscosity.

- - - -

b. Not enough air space around

unit (air-cooled).

b. Allow for adequate air flow

across the condenser(s).

c. Worn scraper blades.

d. Dirty condenser (air-cooled).

e. Out-of-date mix.

c. Replace regularly.

d. Clean regularly.

e. Use only fresh mix.

f. Loss of condenser cooling

water (water-cooled).

f. Locate cause of water loss

and correct.

8. Mix in hopper too cold.

9. Mix in hopper too warm.

a. Temperature out of

adjustment.

a. Call service technician to

adjust hopper temperature.

- - - -

a. Temperature out of

adjustment.

a. Call service technician to

adjust hopper temperature.

b. Hopper cover not in position.

b. Place cover in position.

c. Install agitator correctly.

- - - -

c. Agitator not installed, or

installed upside down.

d. Agitator not rotating.

a. Beater assembly bent.

d. Remove agitator and clean.

10. Freezing cylinder walls

scored.

a. Call service technician to

repair or replace beater and

to correct cause of insufficient

mix in freezing cylinder.

- - - -

b. Missing or worn front bearing. b. Install or replace front bearing.

Models H71 & H84

Troubleshooting Guide

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PROBLEM

PROBABLE CAUSE

REMEDY

PAGE

REF.

11. Excessive mix leakage into

rear drip pan.

a. Worn or missing seal on drive a. Replace regularly.

shaft.

b. Inadequate lubrication of drive b. Follow lubrication procedures

shaft.

in “Assembly”.

c. Worn rear shell bearing.

c. Call service technician to

replace rear shell bearing.

- - - -

d. Seal installed inside-out on

drive shaft.

d. Install correctly.

e. Wrong type lubricant being

used (Example: petroleum

base lubricant).

e. Use proper lubricant

(Example: Taylor Lube HP).

12. Excessive mix leakage from

the door spout.

a. Worn or missing draw valve

o-rings.

a. Replace regularly.

b. Lubricate properly.

b. Inadequate lubrication on

draw valve o-rings.

c. Wrong type lubricant being

used (Example: petroleum

base lubricant).

c. Use food grade lubricant

(Example: Taylor Lube HP).

13. No freezer operation after

placing unit in AUTO.

a. Unit unplugged.

a. Plug into wall receptacle.

- - - -

b. Circuit breaker off or blown

fuse.

b. Turn circuit breaker on or

replace fuse.

c. Power switch in the OFF

position.

c. Place power switch to the ON

position.

14. Product not feeding into

freezing cylinder.

a. Inadequate mix in hopper.

a. Fill hopper with mix.

b. Mix inlet hole frozen up.

b. Hopper temperature needs

adjustment. Call service

technician.

- - - -

c. Assembled air tubes installed c. Pin on inner air tube must be

incorrectly.

positioned at the bottom of

the notch in the outer air tube.

d. Air orifice not installed.

e. Inner air tube blocked.

d. Install in assembled air tubes.

e. With sanitized hands, remove

inner air tube. Brush clean

with sanitizing solution.

Troubleshooting Guide

Models H71 & H84

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Section 9

Parts Replacement Schedule

PART

DESCRIPTION

EVERY

3 MONTHS

EVERY

6 MONTHS

ANNUALLY

QUANTITIES

TO BE

REPLACED

H71

H84

Scraper Blade

Minimum

Drive Shaft Seal

Freezer Door Gasket

Front Bearing

Draw Valve O-Ring

Pivot Pin O-Ring

Design Cap

Inner Air Tube O-Ring

Outer Air Tube O-Ring

Air Orifice O-Ring

Center Draw Valve Seal

(Model H84 only)

White Bristle Brush, 3” x 7”

White Bristle Brush, 1-1/2” x 2”

Black Bristle Brush, 1” x 2”

Double Ended Brush

Inspect & Replace

if Necessary

Minimum

Inspect & Replace

if Necessary

Inspect & Replace

if Necessary

Inspect & Replace

if Necessary

End Brush

Inspect & Replace

if Necessary

Models H71 & H84

Troubleshooting Guide

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Section 10

Parts List

+ Available Separately

Parts List

Models H71 & H84

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+ Available Separately

Models H71 & H84

Parts List

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+ Available Separately

Parts List

Models H71 & H84

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+ Available Separately

Models H71 & H84

Parts List

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+ Available Separately

Parts List

Models H71 & H84

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+ Available Separately

Models H71 & H84

Parts List

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+ Available Separately

Parts List

Models H71 & H84

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+ Available Separately

051103

Models H71 & H84

Parts List

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+ Available Separately

Parts List

Models H71 & H84

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+ Available Separately

Models H71 & H84

Parts List

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+ Available Separately

Parts List

Models H71 & H84

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Model H71

047926--27

Rev. 2/03

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Model H71

Inset

047926--27

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H71

047926--33

Rev. 2/03

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Model H71

047926--34

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H71

047926--35

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H71

047926--62

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H84

047986--27

Rev. 2/03

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Model H84

Inset

047986--27

Rev. 2/03

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Model H84

047986--33

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H84

047986--34

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H84

047986--35

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

Model H84

047986--62

Rev. 2/03

Download from Www.Somanuals.com. All Manuals Search And Download.

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