Duke DQ GEN-102 Setup guide

185232 April 2018 Printed in U.S.A.
OPERATOR’S MANUAL
with Illustrated Parts List
H. C. DUKE & SON, LLC
2116 - 8th Avenue •East Moline, Illinois 61244
Twin Twist
Soft Serve Freezer
Model
GEN-102
185232— 4/18

iii
Operator’s Manual
for the
Soft Serve Freezer
Model GEN-102
All contents © Copyright 2018 H.C. Duke & Son, LCC, 2116 Eighth Avenue, East Moline, Illinois 61244

185232iv
Soft Serve Freezer Model GEN-102
Follow these four steps to safety ....
WARNING
SAFETY FIRST!
The signal words — DANGER, WARNING and
CAUTION — are used with the safety alert symbol
(DANGER decals on the freezer may or may not
have the safety alert symbol, but the message is the
same). Decals with the words DANGER, WARNING,
or CAUTION appear on the freezer. DANGER
identies the most serious hazard. Decals with the
words DANGER or WARNING are typically near
specic hazards on the freezer. General precautions
are listed on CAUTION safety decals.
In this manual, CAUTION messages with the safety
alert symbol call attention to safety messages.
DANGER
CAUTION
1. Recognize Safety Information ....Look for this safety
alert symbol throughout this manual.
When you see this symbol on your freezer or in this
manual, be alert to the potential for personal injury. Follow
recommended precautions and safe operating practices.
2. Understand Signal Words ....
Safety
First!
Read and understand all safety messages in this
manual and on your freezer. Take notice of the location
of all decals on the freezer and keep the safety decals
in good condition. Check them periodically and replace
missing, damaged, or illegible safety decals. The
safety decals must remain in place and be legible for
the life of the freezer. If you need new decals, use the
information and illustrations on pages iv and v of this
manual to identify the decal and call or write to H.C.
Duke & Son, LLC.
DO NOT attempt to operate the GEN-103 Twin Twist
Soft Serve Freezer until you read and understand all
safety messages and the operating instructions in this
manual.
Safety
First!
3. Follow Safety Instructions ....

185232 v
Soft Serve Freezer Model GEN-102
SAFETY FIRST!
Trained person (or Operator): A person who has been trained in the basic operation of
the freezer. This person is knowledged in operation of machine startup, stopping, lling,
and basic cleaning, disassembly, washing, and sanitation of the freezer.
Freezer Technician: A person who has been trained by a factory representative, or
an experienced and qualied service person, to perform more complicated operations
such as freezer installation, maintenance repairs, component replacement , is aware of
hazards associated with electricity, moving parts, and takes necessary steps to protect
against injury to themselves and other people.
4. Definitions ....
5. Operate Safely ....
DO NOT allow untrained personnel to maintain or
service this freezer. Failure to follow this instruction
may result in severe personal injury. DO NOT operate
the freezer until all service and access covers are
secured with screws. DO NOT attempt to repair
the freezer until the main power supply has been
disconnected. Some freezers have more than one
disconnect switch. Contact your IDQ authorized
service representative or H.C. Duke & Son, LLC
Service Department for original equipment parts.
6. Caution ....
• This Freezer is to be operated by trained persons. The Dispense
feature, if used by public in self-serve applications, shall be monitored
by trained persons able to assist people with physical, sensory or mental
impaired capabilities.
• Children should not be allowed to play around this equipment.
• Do not store explosive substances such as aerosol cans with a ammable propellant
in freezer.
• This appliance is not designed for outdoor weather conditions and shall not be
exposed to rain.
• Do not wash machine with power sprayer. Do not install machine next to a power
sprayer where splash of freezer can occur.
• Machine is designed for use in areas of normal atmosphere. It is not to be used in
areas subject to explosion-proof standards.
IMPORTANT: Store Managers,owners, and supervisors must be aware of staff
capabilities and that they do not perform freezer operations outside their level of
knowledge or responsibility.

185232vi
Soft Serve Freezer Model GEN-102
Safety Decal Locations
For factory service assistance, contact H.
C. Duke & Son, LLC, Service Department
by phone or FAX:
Phone: [phone]
[phone]
FAX: [phone]
E-mail: [email protected]
(The decals on the next page are
numbered 1, 2, 3, and 4. Those numbers
correspond to the numbers in the table
below. The table provides the part
number, description, and quantity for each
decal.)

Do not attempt to operate the freezer
until all safety precautions and operating
instructions in this manual are read and
understood.
Take notice of all warning, caution,
instruction and information decals (or
labels) on the freezer as shown in the
gure on the next page. The labels have
been put there to help maintain a safe
working environment.
The labels have been designed to
withstand washing and cleaning. All labels
must remain legible for the life of the
freezer. Check labels periodically to be
sure they can be recognized as warning
labels.
If it is necessary to replace any label,
please contact H.C. Duke & Son, LLC
When ready to order you will need to
determine the (1) part number, (2) type of
label, (3) location of label, and (4) quantity
required, and include a return shipping
address.
1 HC165025 Decal-Beater Warning (1)
2 HC165246 Decal-Pressurized System (3)
3 HC165126 Decal-Panel Removal Warning (1)
4 HC165048 Decal-Warning Rotating Parts (2)
No. Part No. Description

185232 vii
Soft Serve Freezer Model GEN-102
Hazardous rotating beater shaft. Do not operate
unit with dispense head removed.
Before removing dispense head:
1. Turn all control switches to "OFF", and
2. Disconnect all power supplies. Unit may
have more than one power supply.
P/N HC165025
1
!
Hazardous moving parts.
Machine starts automatically.
Do not operate with panel
removed.
P/N HC165126
3
P/N HC165246
3
2
2
Pressurized system.
Depressurize unit
before dismantling
mix transfer system.
LEFT RIGHT
OFFOFF
Do not
operate
with cover
removed!
165048
P/N HC165048
4
Safety Decal Locations

185232viii
Soft Serve Freezer Model GEN-102
Table of Contents
Safety Decal Locations .............................................................vi
1 Introduction ....................................................................... 1
2 Note to Installer.................................................................. 1
2.1 Uncrating and Inspection ...............................................2
2.2 Installation ....................................................................3
2.3 Electrical Requirements.................................................3
2.4 Electrical Connections...................................................4
3 Specifications .................................................................... 5
3.1 Particulars .....................................................................5
3.2 Dimensions....................................................................6
3.3 Data Plate ......................................................................6
3.4 Reference Information ...................................................7
3.5 Installation Date.............................................................7
3.6 WEEE (Waste Electrical and Electronic Equipment).......7
4 Virtual Quality Management (VQM) Terminology ................. 8
5 Part Names and Functions.................................................10
6 Operator Controls .............................................................16
7 Operator Display Menus ....................................................18
8 Disassembly and Cleaning.................................................22
8.1 Cleaning Accessories ....................................................23
8.2 Disassembly Instructions ...............................................24
8.3 Cleaning Instructions.....................................................26
8.3.1 Cleaning and Lubricating - MTS Assembly .... 29
9 Assembly ..........................................................................30
10 Start-up Instructions .........................................................34
10.1 Sanitizing.....................................................................34
10.2 Priming ........................................................................35
10.3 Dispensing Product......................................................36
11 Closing Procedures...........................................................37
11.1 Draining Product..........................................................37
11.2 Night Switch Operation ................................................38
12 General Information ..........................................................39
12.1 Dairy Queen
®
Mix .......................................................39
12.2 Checking the Frozen DQ®Product .............................39
12.3 Product Temperature.................................................40
12.4 Overrun .....................................................................40
12.5 Overrun Adjustment ...................................................41
12.6 Rerun ........................................................................41
12.7 Overrun Chart ...........................................................42

185232 ix
Soft Serve Freezer Model GEN-102
PART II
Replacement Parts
Table of Contents
13 Routine Maintenance...........................................43
14 Troubleshooting ..................................................49
14 Troubleshooting Tables ......................................50
14.1 MTS Troubleshooting Tables ........................................54
15 VQM Error Codes ................................................56
Figure 1 Dispense Head Assembly ...........................1
Figure 2 Beater Shaft Assembly ...............................2
Figure 3 MTS—RMT Hose Assembly .........................3
Figure 4 1PH Mix Transfer System - RMT ..................4
Figure 5 3PH Mix Transfer System - RMT ..................6
Figure 6 Cabinet Parts .............................................8
Figure 7 Spigot Switch Assembly .............................9
Figure 8 Capacitor & Relay Box ................................9
Figure 9 Switch Box (Breakdown).............................10
Figure 10 Panel Assembly (Breakdown) .....................12
Figure 11 Side/Rear View AC .....................................14
Figure 12 Side/Rear View WC.....................................16
Figure 13 Mix Feed Seal Assembly .............................18
Figure 14 Air Cooled Remote Condenser ...................19
Accessories ..............................................................20
O-Ring Chart .............................................................21
Table of Contents (Continued)