H.c duke & son Electro freeze arctic swirl hdm75a User manual

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Division of H.C. Duke & Son, Inc. 2116 Eighth Avenue East Moline, Illinois 61244 (309) 755-4553

InstallaInstalla

Installation, Opertion, Oper

tion, Opertion, Oper

tion, Operaa

aa

ationtion

tiontion

tion

and Maintenanceand Maintenance

and Maintenance InstrInstr

InstrInstr

Instructionsuctions

uctionsuctions

uctions

OPERATOR'S MANUAL

Arctic Swirl

Mixer

Model HDM75A

184915 4-04

ELECTRO FREEZE Arctic Swirl Model HDM75A

184915 i

ELECTRO FREEZE Arctic Swirl Model HDM75A

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Please read and understand all warning decals. Note the location

of all warning decals on the mixer (see next page). The decals are

there to help maintain a safe working environment. All decals

must remain legible for the life of the mixer. Check decals periodi-

cally to ensure that they are still in place and easy to read. Re-

place them if necessary. Know the part number of the decal, its

type and location, before ordering.

To order new decals, call or write to H.C. Duke &

Son, Inc., Electro Freeze Service Department, 2116

Eighth Avenue, East Moline, Illinois 61244

(309) 755-4553 or

FAX (309) 755-9858





This safety alert symbol identifies important personal

safety messages in this manual. When you see this sym-

bol, be alert to the possibility of personal injury. Do not

attempt to continue until the safety precautions are read

and thoroughly understood. See the next section, Arctic

Swirl Decal Locations, and learn the locations of safety

decals on the machine. Read and understand all warning

decals before operating the machine.

It is important that you read and understand

this manual before operating the mixer!

A.

Arctic Swirl®®

®®

®

Safety Alert

B.

Arctic Swirl®®

®®

®

Safety Decal Locations

ii 184915

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 iii

B.

Arctic Swirl®®

®®

®

Safety Decal Locations

P/N 165131

P/N 165010

P/N 165430

CAUTION

Hazardous rotating shaft.

* Keep fingers, hair and loose items away.

* Do not use metal containers.

Use only plastic or paper containers.

Read operator's manual before using.

P/N 165424

ELECTRO FREEZE Arctic Swirl Model HDM75A

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iv 184915

(

Write in

Reference Information

HERE!

CAUTION

All materials and connections must

conform to local requirements and be

in compliance with the National

Electric Code (NEC).

CAUTION

In order to prevent accidental

electrical shock, a receptacle with a

positive earth ground is required.

You will find the data plate on the rear panel of your

Arctic Swirl®Model HDM75A. The data plate

provides important information that the operator

should record and have available for parts ordering,

warranty inquiries and service requests.

Always check and verify voltage and amperage on

the data plate.

Dimensions

Width - in/cm 9-1/8 / 23.2

Height - in/cm 25-3/4 / 65.4

Depth - in/cm 11-1/4 / 28.6

C. Data Plates

Fill in the following information as soon as you

receive your Arctic Swirl®Mixer. (The item

numbers — encircled, below — correspond with

the callout numbers in the figure above.)

1 Model Number: __________________

2 Rating: ________________________

3 Electrical Spec: Voltage _________

Phase _______ Hertz _________

4 Serial Number:___________________

Installation Date_____________________

ELECTRO FREEZE Arctic Swirl Model HDM75A

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Table of Contents

A.

ARCTIC SWIRL®

Safety Alert ..................................... ii

B.

ARCTIC SWIRL®

Decal Locations .............................. ii

C. Data Plate Information .............................................. iv

1 Installation Instructions .................................................. 1

1.1 Application ............................................................. 1

1.2 Inspection............................................................... 1

1.3 Handling ................................................................. 1

1.4 Removal from Shipping Carton ................................ 1

1.5 Electrical Requirements ......................................... 2

1.6 Specifications ......................................................... 2

1.7 Location of the Machine .......................................... 2

2 Operation Instructions ................................................... 3

2.1 Safety Alert............................................................. 3

2.2 Preparation ............................................................. 3

2.3 Operation ............................................................... 3

3 Control Panel Identification and Operating Instructions .. 4

3.1 Selector Switch ...................................................... 4

3.2 Speed Control ......................................................... 4

4 Cleaning and Sanitizing.................................................. 6

4.1 Daily Cleaning......................................................... 6

4.2 Daily Sanitizing ....................................................... 7

4.3 Recommendations .................................................. 7

5 Periodic Maintenance .................................................... 8

5.1 Safety Precautions.................................................. 8

5.2 Pulley Alignment and Belt Tension .......................... 8

5.3 Periodic Maintenance Schedule .............................. 9

184915 v

ELECTRO FREEZE Arctic Swirl Model HDM75A

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5.3.1 Daily ..................................................................... 9

5.3.2 Weekly .................................................................. 9

5.3.3 Monthly................................................................. 11

5.3.4 Quarterly .............................................................. 11

6 Parts Replacement......................................................... 12

6.1 Spindle Shaft Replacement ..................................... 12

6.2 Top Bearing Replacement....................................... 13

6.3 Bottom Bearing Replacement ................................. 13

6.4 Belt Replacement ................................................... 14

6.5 Motor Replacement................................................. 14

6.6 Motor Brush Replacement....................................... 14

6.7 Speed Control Replacement ................................... 15

6.8 Potentiometer Replacement.................................... 15

6.9 Three-Position Switch Replacement ........................ 15

6.10 Fuse Replacement ................................................. 16

7 Troubleshooting Tables .................................................. 17

8 Illustrated Parts List ....................................................... 20

9 Wiring Diagram .............................................................. 23

10 Suggested Spare Parts Inventory ................................... 23

Table of Contents – continued

The Arctic Swirl® is manufactured by H.C. Duke & Son, Inc., 2116

Eighth Avenue, East Moline, Illinois 61244

For factory service assistance call the Electro Freeze Service

Department @ (309) 755-4553 or send a FAX to (309) 755-9858

vi 184915

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 1

Inspect the Arctic Swirl Mixer shipping

carton and its contents for shipping

damage. Also inspect the internal com-

ponents of the machine for damage.

If there is damage to the machine, it

must be noted on the carrier’s freight bill.

Call the local agent of the freight carrier

and request an immediate inspection by

their claims inspector. Keep the shipping

carton until the machine has been

inspected. Do not install the machine

until all claims are resolved.

1.3 Handling

The carton may be moved on a two

wheel dolly or carried in your arms. It

must not be shaken, dropped or moved

by “walking” the corners of the carton.

1 Installation Instructions

1.1 Application

1.2 Inspection

Open the top of the carton. Pull out the

foam inserts and lift the machine out

through the top of the carton. Save all

shipping materials for future use.

The Arctic Swirl Mixer Model HDM75A is

a heavy duty, 3/4 hp, variable speed

mixer designed to blend properly pre-

pared soft serve with a variety of ap-

proved flavor ingredients.

1.4 Removal from Shipping Carton

ELECTRO FREEZE Arctic Swirl Model HDM75A

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2H.C. Duke & Son, Inc. 184915

1.5 Electrical Requirements

The Arctic Swirl Mixer Model HDM-75A

machine motor will operate only on 120

volt, 60 Hz single-phase alternating

current (AC) with ground. Make sure the

electrical supply is 120 volts AC and that

the voltage is within 10 percent of that

specified. Your utility company will check

the voltage if you so request.

The Arctic Swirl Mixer machine motor

will not operate on direct current (DC) or

on current of 50 Hz frequency. (The

“overseas” model operates only on 220

volt, 50 Hz.)

Specifications for the Arctic Swirl Mixer

Model HDM-75A are given in table 1,

below.

1.6 Specifications

as possible to the ingredients being

used to make the finished Arctic Swirl

product. The cord should be plugged

into an outlet close to the machine.

1.7 Location of the Arctic Swirl Machine

The base of the machine is provided with

four rubber feet. The machine should be

mounted on a solid surface, such as a

topping cabinet, dip stand table, or

countertop. It should be located as close

120 Volt, 60 Hz Model (Domestic) 220 Volt, 50 Hz Model (Overseas)

Model: HDM75A Model: HDM75A

Voltage: 120 Voltage: 220

Frequency: 60 Hz Frequency: 50 Hz

Phase: 1 Phase: 1

Drive Motor: 3/4 hp Drive Motor: 3/4 hp

RPM: 10,000 (maximum) RPM: 10,000 (maximum)

Amperage: 10 Amperage: 5

Shipping Weight: 46 lbs. Shipping Weight: 46 lbs.

Table 1. Specifications

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 3

2 Operation Instructions

2.1 SAFETY ALERT

2.2 Preparation

Before use, the spindle shaft and

machine parts should be washed,

rinsed, sanitized and air dried. The

external surfaces of the machine,

including the splash shields and ma-

chine front, should be wiped clean and

then wiped with a sanitizing solution.

Follow the procedures in Cleaning and

Sanitizing, Section 4.

2.3 Operation

It is important that you read and understand the safety

instructions before operating the mixer! If you have not

already done so, turn to the front of this manual and read

Sections A, B, and C before proceeding.

Important:

Do not use metallic mixing containers

or collars for preparation of the

frozen product or when sanitizing.

1. The Arctic Swirl Mixer should only

be used for the blending of soft serve ice

cream, or similar products, with liquid

flavorings or pre-crushed solid ingredi-

ents. It is NEVER to be used to grind or

crush the solid ingredients before or

during blending.

2. The temperature of the ice cream

product should be 18 to 20°F (-7.8 to-

6.7°C).

3. The

Arctic Swirl Mixer

is designed

to blend 30 to 35 (16 oz.) servings an hour

with an average of 40 to 45 seconds

blending time.

4. To operate, set the desired speed

for product preparation and move the

toggle switch for either “ON” or “CONTINU-

OUS RUN” operation, as required. The

normal position for mixing is 70 percent full

“ON”. Mark the desired setting for the

product for repeated use (refer to Control

Panel Identification and Operating Instruc-

tions, Section 3).

CAUTION

DO NOT touch or get too close to moving parts. Clothing,

jewelry, hair or other body parts may become caught in the

machine and result in serious personal injury.

ELECTRO FREEZE Arctic Swirl Model HDM75A

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4H.C. Duke & Son, Inc. 184915

3.1 Selector Switch

3. The bottom position, “JOG”, is

momentary run. Power is supplied to the

drive motor and the spindle shaft will

spin as long as the switch is held in this

position. This is a spring-loaded position.

“ON” is the machine’s normal operating

position.

This three-position toggle switch has a

center “OFF” position with top and

bottom power positions. (See figure 1

for location of controls.)

1. The top position, “ON”, is

continuous run. Power is provided to

the drive motor continually and the

spindle shaft will spin. DO NOT ALLOW

MIXER TO OPERATE AT HIGH

SPEED UNDER NO LOAD, OR AT

LOW SPEED UNDER LOAD.

2. “OFF” is the center position.

Power is provided to the switch only.

The drive motor will not run. If any work

is to be done within the cabinet, THE

POWER CORD MUST BE DISCON-

NECTED FROM THE WALL OUTLET.

3.2 Speed Control

This control adjusts the speed of the

drive motor and spindle shaft. The

machine is normally operated at a

specific setting for the desired product. A

lower speed is normally used when

washing or rinsing the shaft with water.

The lower speed helps prevent the water

from splashing out of the cup. As a

reference point for spindle shaft speed,

remember that when the control dial is at

zero (0), the spindle shaft should be

turning slowly.

3 Control Panel Identification and Operating

Instructions

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 5

Figure 1. “Arctic Swirl” Machine Controls

3 Control Panel Identification and Operating

Instructions - continued

SHAFT COLLAR

SPLASH GUARD

SPLASH SHIELD (CLEAR)

SELECTOR SWITCH

SPLASH GUARD

SPINDLE SHAFT

SPINNER

SPEED CONTROL DIAL

ELECTRO FREEZE Arctic Swirl Model HDM75A

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6H.C. Duke & Son, Inc. 184915

4 Cleaning and Sanitizing

Important:

Never place a towel or any other

material on the shaft to clean it when

it is placed in the “ON” or “JOG”

position. If the material becomes

caught, it will damage the machine.

Important:

Do not allow water above the collar

on the top portion of the Arctic Swirl

shaft. Water in this area may damage

the machine.

CAUTION

To avoid injury, never place a towel or any other material

on the rotating shaft to clean it. Unplug unit before clean-

ing.

CAUTION

Rotating metal shaft. To avoid injury, use only paper or

plastic mixing containers. Contact between shaft and

metal containers or malt collars can cause shaft to wear

and break.

4.1 Daily Cleaning

1. Fill a paper cup or shake cup ¾

full with a solution of warm soapy water

(100°F or 37.8°C) and hold it under the

spindle.

2. To clean, operate the spindle at a

setting of 20-30 on the speed control

dial.

3. Stop the spindle operation and

use a small brush to clean areas around

the agitator.

4. Rinse with clean water.

The spindle shaft, agitator (exposed

turning portion) and splash guards must

be washed, rinsed, sanitized, air dried,

and prepared for use at the end of each

day of operation.

The operator should have clean hands

and refrain from coughing or sneezing

on parts to avoid contamination. Do not

allow any of the Arctic Swirl mixer parts

to come into contact with objects that

have not been sanitized.

When cleaning or sanitizing the spindle

shaft and agitator, use a lower speed

setting than used for blending to prevent

water or sanitizing solution from splash-

ing out of the cup.

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 7

4.2 Daily Sanitizing

4.3 Recommendations

The external surfaces of the machine,

including the shields, should be wiped to

remove splashes or spills. Follow the

evening cleaning with a sanitizer wipe-

down and allow to air-dry.

1. In a clean container, prepare one

quart (1 liter) of sanitizing solution.

Solution should be Stera-Sheen, or an

equivalent, with 100 parts per million

(PPM) available chlorine and be mixed

according to manufacturer's instructions.

If you have questions about the advis-

ability of using a specific sanitizer

solution, contact Electro Freeze Service

Department.

2. Fill a paper cup or shake cup 3/4

full of sanitizer and hold it under the

spindle to sanitize.

3. Operate the spindle in this

solution at a setting of between 20-30

on the speed control dial. This operation

should be performed for at least one

minute to allow the sanitizer to neutral-

ize and destroy contaminants on the

shaft and agitator.

4. The entire mixing shaft should be

washed with sanitizer, but do not allow

the sanitizer to get above the collar on

the top portion of the Arctic Swirl ma-

chine shaft.

ELECTRO FREEZE Arctic Swirl Model HDM75A

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8H.C. Duke & Son, Inc. 184915

5 Periodic Maintenance

CAUTION

For the following steps, power to the machine must be “OFF” for

safety. Unplug power cord before proceeding. Failure to disconnect

power source may cause electrical shock.

5.1 Safety Precautions

Figure 2. Location of Belt Adjust-

ment Screws

Inspect the belt tension and condition

four times per year by performing the

following:

1. Remove top panel.

2. Depress belt with your finger at

the midpoint between the pulleys (see

figure 2). When adjusted properly, the

belts should depress 5/16" with approxi-

mately five pounds of pressure.

3. Adjust to the proper tension by

resetting the four adjustment screws (see

figure 2) holding the motor housing in

place.

4. Tighten the screws equally to

avoid misalignment. DO NOT OVER-

TIGHTEN THE BELT. Overtightening will

cause excessive belt wear and heat on

both the spindle shaft and drive motor

bearings. Check alignment by using a

straight edge across the face of the

pulleys. Make the necessary adjustments

if out of alignment.

5.2 Pulley Alignment and Belt Tension

Take all safety precautions when per-

forming maintenance work to protect

against injury or death. Disconnect

power cord except for the short period of

time required to check proper operation.

Do not leave shield or safety panels off

when maintenance is completed or

interrupted.

5/16”

BELT

ADJUSTMENT

SCREWS

ELECTRO FREEZE Arctic Swirl Model HDM75A

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123456789012345

184915 H.C. Duke & Son, Inc. 9

5.3 Periodic Maintenance Schedule

CAUTION

This machine has HOT surfaces. Place the unit in a well-ventilated

location. Do not touch the cabinet top, rear or side surfaces during

or just after operation.

5.3.1 Daily

Wash, rinse, sanitize and air dry all parts

of the machine that come into contact

with mix or product.

5.3.2 Weekly

In order to maintain the continued safety and performance built into this unit, it is

important to follow the installation and maintenance instructions outlined in this

manual. ALWAYS UNPLUG THE MACHINE BEFORE SERVICING OR CLEANING.

Inspect all parts for wear, replace-

ment or adjustment.

Carefully inspect the mixing shaft for

signs of wear on a weekly basis.

The following illustrations (figure 3)

depict the areas that require

examination. If the mixing shaft

has any sign of wear, it should be

taken out of service until a

replacement part can be installed.

Please remember that the

Arctic Swirl

®

mixer was

designed to blend soft serve

ice cream (or similar prod-

ucts) with liquid flavorings

or pre-crushed solid ingredi-

ents. Do not use it to grind

or crush the solid mixing

ingredients!

CAUTION

Rotating metal shaft. To avoid

injury, use only paper or plastic

mixing containers. Contact

between shaft and metal

containers or malt collars can

cause shaft to wear and break.

ELECTRO FREEZE Arctic Swirl Model HDM75A

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10 H.C. Duke & Son, Inc. 184915

Figure 3. Inspection of Mixing Shaft

5.3.2 Weekly - continued

Point A Inspect weld jointfor signs of cracking. Cup should be solidly

bonded to shaft with no sign of cracking or looseness.

Point B Inspect edge for excessive wear. Edge should be smooth and have

step to welded area for blade .

Point C Inspect weld for signs of cracking or wear. Worn away step to

welded blade indicates worn part. No part of the weld should have

wear. There must be a step from weld to outside edge of cup

Point D Inspect edge for wear. A sharpened edge with a thinning of entire

surface indicates excessive wear.

Point E Inspect for tightness to shaft and edge for galling or roughness.

Worn away lobes or a bent or loose disk should be replaced.

Point F Inspect button for wear. A ground away flattened surface that

appears to be near flush to bottom of disk is a sign of a worn part..

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 11

5.3.3 Monthly

1. Make sure power switch is

“OFF”.

2. UNPLUG THE MACHINE.

3. Remove the top panel and

inspect for belt wear and tension,

splattered mix, and any unusual condi-

tion.

4. With the top panel off, plug in

and then start the machine with caution.

5. Listen for unusual rhythms,

squeaks, overtones or sounds not

common to normal operation. Smell for

unusual odors that may indicate a

problem, such as spoiled mix, hot motor,

or electrical arcing.

6. Turn power switch to “OFF”,

unplug the machine and reinstall top

panel.

CAUTION

Do not touch or get too

close to moving parts.

Clothing, jewelry, hair, or

other body parts may

become caught in the

machine and result in

serious personal injury.

5.3.4 Quarterly

1. Inspect drive motor brushes for

wear and replacement.

2. Inspect drive belts and adjust or

replace in accordance with

paragraph 5-2.

ELECTRO FREEZE Arctic Swirl Model HDM75A

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12 H.C. Duke & Son, Inc. 184915

6 Parts Replacement

6.1 Spindle Shaft Replacement

1. Disconnect power cord (27) from

the wall and remove splash shield (4).

2. Remove the four screws (2)

holding top cover (1). Remove cover.

3. Loosen setscrews on slinger

collar (17) and slide down spindle shaft

(18).

4. Remove the four screws (2)

holding the lower slot cover (35). Re-

move cover.

5. Remove the four screws (2)

holding the motor cover assembly (32)

in place. Slide the motor cover forward

to access the wiring. Note the wire

routing — wires must not touch sharp

edges or moving parts during reassem-

bly. Disconnect the toggle switch (40)

wires and potentiometer (41) wires at

speed control board (42). Note the wire

connection locations for reassembly.

Remove cover.

6. If necessary, remove the four

screws (28) holding the splash shields

(29).

7. Loosen the four screws (9)

holding the drive motor (31) in place and

remove belt (7).

Important:

When heating parts to loosen Loctite

adhesive, protect the bearings from

heat. Excessive heat will destroy the

bearings.

NOTE: The drive and driven pulleys are

assembled to their respective shafts

using Loctite Type RC/680 adhesive.

Loctite adhesive is also used in the

assembly of the spindle shaft to the

upper and lower bearings. It will be

necessary to apply heat to loosen the

Loctite adhesive.

8. Loosen the two setscrews on the

driven pulley (8) installed onto shaft

(18). Apply heat to the hub and remove

pulley.

9. Loosen the two set screws on

each of the collars for the upper and

lower bearings (19). Apply heat to the

hub of the bearing. Using a rubber

hammer, tap the shaft (18) down

through the lower part of the base (23).

After the shaft is out of the top bearing

(19), tilt the shaft to clear the base and

remove it from the lower bearing (19).

NOTE: If any parts are replaced during the warranty period, it will be necessary to

return the defective part to the supplier for possible credit.

NOTE: Refer to Figure 4 at the end of this section for illustration of parts and their

corresponding item numbers included in parentheses in the following paragraphs.

CAUTION

For the following steps, power to the machine must be “OFF” for safety.

Unplug power cord before proceeding. Failure to disconnect power source

may cause electrical shock.

— continued

ELECTRO FREEZE Arctic Swirl Model HDM75A

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184915 H.C. Duke & Son, Inc. 13

6.2 Top Bearing Replacement

6.3 Bottom Bearing Replacement

6.1 Spindle Shaft Replacement - continued

and potentiometer wires (41) loop away

from moving parts when reinstalling

motor cover assembly. Wires must not

touch the louvers in the motor cover

assembly (32).

NOTE: If you are experiencing difficulty

aligning the mixer shaft, call the Electro

Freeze Service Department for assis-

tance.

12. Check for shaft vibration by

operating the mixer, slowly turning the

speed control from low to high. If the

shaft is vibrating, adjust for proper

alignment.

1. Repeat steps 1 through 9 of the

Spindle Shaft Replacement, paragraph

6-1.

2. Replace the bottom bearing (19),

two screws (14) and washers (15, 16).

NOTE: Replace bearings if damaged by

heat.

NOTE: You MUST reapply Loctite to the

shaft, pulley, and bearings according to

the manufacturer’s recommendations

when you reassemble these parts.

10. Slide the new shaft up through

the lower bearing and the upper bearing.

Visually align the shaft and tighten the

bearing housing. Install the pulley.

11. Reverse the above steps to

reassemble. Make sure there is proper

belt tension of 5/16 inch (refer to para-

graph 5-2). Ensure toggle switch (40)

3. Reverse the above steps to

reassemble. (You MUST reapply Loctite

RC/680 adhesive to the shaft, pulley,

and bearings according to the manufac-

turer’s recommendations.)

3. Reverse the above steps to

reassemble. (You MUST clean parts

thoroughly before reassembly and

application of Loctite — You MUST

reapply Loctite RC/680

®

adhesive to the

shaft, pulley, and bearings according to

the manufacturer’s recommendations.)

1. Repeat steps 1 through 9 of the

Spindle Shaft Replacement, paragraph

6-1.

2. Replace the top bearing (19) and,

two screws (14) and washers (15, 16).

H.C Duke & Son ELECTRO FREEZE Arctic Swirl HDM75A User manual

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