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H. C. DUKE & SON, LLC 2116 - 8th Avenue • East Moline, Illinois 61244 OPERATOR’S MANUAL with Illustrated Parts List Soft Serve Freezer Model GES-102 184559 — 1/18 H.C. Duke & Son, LLC. P/N 184559 January 2018 Printed In U.S.A.
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H.C. Duke & Son, LLC. DO NOT attempt to operate the GES-102 Twin Soft Serve Freezer until you read and understand all safety messages and the operating instructions in this manual.
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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 ..•...
Safety Decal Locations Do not attempt to operate the freezer For factory service assistance, contact H. C. Duke & Son, LLC, Service Department until all safety precautions and operating by phone or FAX: instructions in this manual are read and understood.
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Soft Serve Freezer Model GES-102 Safety Decal Locations P/N HC165025 P/N HC165126 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.
Duke freezer. Phone_______________________ Your freezer will not compensate for or correct any assembly or priming errors or H.C. Duke & Son, LLC Service Dept. made during the initial start-up. Therefore for factory service assistance. it is extremely important to follow the...
Soft Serve Freezer Model GES-102 Uncrating and Inspection CAUTION note the damage on the carrier’s freight Be sure to properly support the bill and notify the carrier’s local agent machine when removing bolts immediately. Also note on the freight bill and installing legs or casters.
Soft Serve Freezer Model GES-102 Installation if boxed on 3 sides. Insure freezer is CAUTION not subjected to hot exhaust air from All materials and connections other equipment. Anything blocking must conform to local ventilation, (e.g. cone dispenser), will requirements and be in reduce the efficiency of the freezer.
Soft Serve Freezer Model GES-102 Electrical Connections 4. Electrical connections are made in CAUTION the junction boxes located mid-level To prevent accidental behind the right side panel. electrical shock, a positive earth ground is required. Important Set switch next to the connection box “UP”...
Soft Serve Freezer Model GES-102 Specifications Particulars Always check and verify voltage and amperage on the data plate located on the back panel of each freezer. GES-102 Width-in./cm 26.125/66.36 Height-in./cm 69.875/177.48 Depth-in./cm 38.25/97.16 Weight-lbs./kg 850/386 Compressor (2) 2.5 H.P. /19000 BTUH 2.2 kw (Motor)
Soft Serve Freezer Model GES-102 Dimensions The dimensions of the GES-102 are provided in Figure 3-1, below. 39.75" 100.97 cm 26.125" 38.25" 66.36 cm 97.16 cm TOP OF UNIT MUST BE KEPT AIR OUT CLEAR TO ALLOW AIR EXHAUST ELECTRICAL...
Soft Serve Freezer Model GES-102 Reference Information Fill in the following information below as soon as you receive the GES-102. (The item numbers—encircled, below— correspond with the callout numbers above.) IMPORTANT: Complete for reference: 1.) Model Number: __________________ 2.) Serial Number: __________________ 3.) Electrical Spec: Voltage ___________...
Soft Serve Freezer Model GES-102 Virtual Quality Management System (VQM) Terminology Beater Run: ...... This D.O.B. timer used to delay the beater motor after the refrigeration shuts down. Beater Run Range: 0 to 10 seconds Demand Run Comp: ..The D.O.B. timer used to delay the compressor when product is being drawn.
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Soft Serve Freezer Model GES-102 Virtual Quality Management System (VQM) Terminology (continued) Slope/Demand Slope: ..Utilizes a function within the system to watch the temperature change as the unit freezes a barrel. If utilizing the slope feature and the unit sees a lack of temperature change during freeze down, the unit will cycle off.
Soft Serve Freezer Model GES-102 Part Names and Functions Figure 5-1 Head Assembly 184559...
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Soft Serve Freezer Model GES-102 Part Names and Functions (continued) The following descriptions apply to figure 4-1. The number preceding the part name corresponds to the number in the figure. HEAD: Encloses the freezing cylinder and provides an opening for product to be dispensed.
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Soft Serve Freezer Model GES-102 Part Names and Functions (continued) Figure 5-2 Beater Shaft Assembly 184559...
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Soft Serve Freezer Model GES-102 Part Names and Functions (continued) The following descriptions apply to figure 4-2. The number preceding the part name corresponds to the number in the figure. BUSHING - CYLINDER: Holds the beater in place at the front of the cylinder.
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Soft Serve Freezer Model GES-102 Part Names and Functions (continued) RETAINER-AIR LINE CLAMP-SOFT HOSE PORT-AIR/MIX INLET HOSE-ASSY MIX BRAIDED AIR TUBE AIR METER COVER-MTS COVER-MTS HOSE-TRANSFER RED LINE SUPPORT-ROLLER BEARING AIR CURTAIN SWITCH ROLLER SHOE ARM-SWING CLAMP ROLLER-ASSY COMPLETE SHOE-SPRING...
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Soft Serve Freezer Model GES-102 Part Names and Functions (continued) The following descriptions apply to figure 4-3. The number preceding the part name corresponds to the number in the figure. SUPPORT - ROLLER BEARING: 13.) TUBE - ASSEMBLY MIX INLET: Holds roller assembly in place.
Soft Serve Freezer Model GES-102 Operator Controls 6 7 8 LEFT RIGHT Figure 6-1 The following paragraphs describe the CAUTION operator controls. Refer to Fig. 6-1 for Test operation of the head numbered items in description. Note the switch prior to placing the left side controls operates the left side freezer in service.
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Soft Serve Freezer Model GES-102 Operator Controls (continued) 5. Left or Right side Control Indicator Left indicates controls for left side cylinder and hopper. “Right” Indicates controls for right side of freezer cylinder and hopper. 6. Mode of Operation Indicator There are three primary modes of operation: a.
Soft Serve Freezer Model GES-102 Operator Controls (continued) Power Switch See Figure 6-3 In the “ON” position, power is supplied to the beater motors. Use this position LEFT RIGHT to operate the freezer. Select the ”OFF” position for disassembly and cleaning.
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Soft Serve Freezer Model GES-102 Operator Display Menus (continued) Below is a list of the menu categories that are displayed upon entering the Operator’s menu. Operator’s Menu Options • Basic Settings • Actual Temps • Event Log • Error Log •...
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Soft Serve Freezer Model GES-102 Operator Display Menus (continued) Statistics Cont. Center Spigot Spigot Hours Left & Right Barrel C Spigot Hours Comp. Starts Left & Right Barrel Comp. Hours Left & Right Barrel Beater Starts Left & Right Barrel Beater Hours Left &...
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Soft Serve Freezer Model GES-102 Operator Display Menus (continued) LEFT CABINET RIGHT Press to start Left Press to start Right Clean Mode Clean Mode CABINET LEFT RIGHT BEATER PUMP BEATER PUMP ON OFF ON OFF ON OFF ON OFF Press to turn left...
Soft Serve Freezer Model GES-102 Disassembly and Cleaning Safety Information It is important that the freezer be disassembled, washed, This freezer uses pressure to assure lubricated and sanitized consistent product quality. It is important before operation. for your safety that the freezer is...
Soft Serve Freezer Model GES-102 Cleaning Accessories The following accessories are necessary for cleaning, sanitizing, and disassembly/ assembly (Figure 8-1): HC158009 Brush & HC158012 HC169374 TOOL - O-RING HANDLE: REMOVAL: 4 inch diameter and 27 inch handle Aids in removing o-rings from used to clean the shake cylinder.
Soft Serve Freezer Model GES-102 Disassembly Instructions CUP SEAL WASHER O-RING Figure 8-3 Shaft seal Figure 8-2 CAUTION Make sure freezer is Your freezer is designed for cleaning depressurized before MTS pumps with or without Cabinet proceeding. refrigeration. Use the Cabinet...
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Soft Serve Freezer Model GES-102 Disassembly Instructions (continued) 5. (See figure 8-3.) Remove the cup g. Slide hose assembly out of roller seals and o-rings from the plastic support housing, this will allow washers on the shaft seal assemblies. water in tube to drain into bucket.
Soft Serve Freezer Model GES-102 Cleaning Instructions NOTE: It is your responsibility to be CAUTION aware of, and conform to, the Electrical shock hazard. Do requirements for meeting federal, not splash water on switches state, and local laws concerning the...
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Soft Serve Freezer Model GES-102 Cleaning Instructions (continued) c. the spigot o-ring grooves, nozzles, the shaft cup seals, plastic washers and o-rings as shown in figure 8-8. d. the air bleed plug o-ring grooves e. the beater shaft and the scraper...
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Soft Serve Freezer Model GES-102 Cleaning Instructions (continued) b. the inside of the cylinders including the back wall as shown in figure 8-10. c. the inside of the drain tube as shown in figure 8-11. 5. Remove the drip tray and insert. Wash...
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Soft Serve Freezer Model GES-102 8.3.1 Cleaning and Lubricating - MTS Assembly NOTE: Clean the shoe weekly or when 3. Brush in between rollers. Flush clean necessary. Do not interchange the with water bottle. shoe with any other MTS shoes.
Soft Serve Freezer Model GES-102 Assembly Correct assembly of the freezer is CAUTION essential to prevent leakage of the To avoid electrical shock or contact with moving parts, product and damage to the freezer. You make sure the control pad is will need an approved lubricant (such as in the “OFF”...
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Soft Serve Freezer Model GES-102 Assembly (continued) Figure 9-4 Head Assembly 4. Insert the assembled beater shaft into 7. Place the extension or holding o-ring the cylinder by placing the rear blade (8) onto the spigots. Do not lubricate on the bottom of the cylinder. This will this o-ring.
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15. Refer to figure 9-6. Install the MTS Important: hose assembly by first placing the Use original H. C. Duke transfer hose clamp next to the braided hose, above only. Your freezer will not operate the roller bearing support on the right properly with any other type of hose.
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Soft Serve Freezer Model GES-102 Assembly (continued) Important: 19. Insert sensor probe in to top cab wall Do not twist the hose assembly while and mix inlet housing. installing. 20. Insert the MTS cover over stud. Hose 16. Check to ensure the transfer hose clamps should be exposed.
Soft Serve Freezer Model GES-102 Start-up Instructions 10.1 Sanitizing IMPORTANT: CAUTION Do not use unapproved sanitizers Mix Transfer System will be or laundry bleach. These materials pressurized during operation. may contain high concentrations of Make sure all components and chlorine and will chemically attack fasteners are secure before freezer components.
Soft Serve Freezer Model GES-102 10.1 Sanitizing (continued) This will push the sanitizer up into the 10. Drain the solution from the cylinders cylinders. by slowly turning the spigot handles open. Allow MTS to pump all sanitizer 8. When sanitizer flows out the bottom of from bucket.
Soft Serve Freezer Model GES-102 10.2 Priming (continued) 10. Close the spigots one at a time when bleed plug openings in the bottom of pure mix is coming out. the dispense head, close the air bleed plugs. Wait for the MTS to fill the Important: cylinders and shut off.
Soft Serve Freezer Model GES-102 Closing Procedures 11.1 Draining Product At the end of each day of operation, the freezer must be rinsed, sanitized, and disassembled. The parts also must be washed, rinsed, sanitized, and prepared for reassembly. Your freezer is designed for cleaning 3.
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Soft Serve Freezer Model GES-102 11.1 Draining Product (continued) 4b) Cleaning with Mix Stored in 14. Place an empty container under the remote Cooler Pull out shelf, transfer dispense heads. all bags to remote cooler for storage. 15. Pull the air bleed plugs up until they Mix must be handled according to touch the bottom of the switch box.
Soft Serve Freezer Model GES-102 11.2 Night Switch Operation 1. In areas where health codes will allow, NOTICE the freezer may be switched to night The “night” mode operation is not mode operation. This will allow the to be used in lieu of proper cleaning...
Soft Serve Freezer Model GES-102 General Information 12.1 Dairy Queen ® Standard approved Dairy Queen 5. Check both the taste and smell ® mix weight is approximately 9.25 of the mix, and thoroughly stir or lbs. per gallon (1.1 kilograms per agitate the mix prior to use.
.5 x 100 = 50% overrun appeal of a quality product. Too little overrun results in a grainy, heavy product. H. C. Duke and Son, LLC can provide a To correctly measure the overrun, take scale (part #HC158049) that is graduated a pint container and adjust your scale to in overrun percentage.
For further information contact the ® permit the use of rerun. Service Department of H. C. Duke & Son, LLC by phone at (309) 755-4553 or Rerun product is unable to accept (800) 755-4545. the same amount of air as fresh product;...
H.C. Duke and Son, Inc. recommends the following schedule to help maintain your Model GES-102 Twin Twist Soft Serve Freezer in like-new operating condition. Take the time to learn and perform these routine procedures and receive in return many years of valuable service from your freezer.
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Soft Serve Freezer Model GES-102 Routine Maintenance (continued) AS NEEDED (continued) WEEKLY CAUTION 1. Carefully inspect all parts for wear, Make sure the freezer including seals, O-rings, mix transfer is depressurized before tubes, and blades. proceeding. 2. Replace as required.
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Soft Serve Freezer Model GES-102 Routine Maintenance (continued) MONTHLY Testing the Head Switch ON”. Look inside the cylinder at the rear The head switch feature is designed drive coupling for rotation. Press the to prevent the beater shaft from being freeze button and look inside the cylinder accidentally activated.
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Both air and water cooled freezers have and make any necessary adjustments. an air condenser. The condenser fins need to be cleaned by your H.C. Duke & WARNING! Failure to properly maintain/clean your air condenser can cause premature compressor failure. Compressor failure due to improper condenser care will void the compressor warranty.
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Soft Serve Freezer Model GES-102 Routine Maintenance (continued) 1500 HOURS OF ANNUALLY OPERATION OR CAUTION 6 MONTHS To avoid electrical shock or contact with moving parts, make sure all switches are in the 1. Contact your service technician for “OFF” position and that the main the initial oil change of the gear power source is disconnected.
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Should you have any questions on items that are not included in this maintenance schedule, or problems where service assistance is needed, please call your local authorized service company or H. C. Duke & Son, LLC Service Department, for factory service at (800) 755- 4545 or (309) 755-4553.
Soft Serve Freezer Model GES-102 Troubleshooting SAFETY This safety alert symbol identifies important personal safety messages in this manual. When you see this symbol, be alert to the possibility of personal injury. DO NOT attempt to continue until the safety precautions are thoroughly understood.
Install head properly. Replace o-ring head. 2. Head not properly installed. if pinched. Unblock condenser or have cleaned Dirty or blocked condenser, restricted air by your H.C. Duke & Son, LLC. flow. Distributor. Dispensed product too Contact your Your local service soft.
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Soft Serve Freezer Model GES-102 Troubleshooting Tables (continued) PROBLEM PROBABLE CAUSE REMEDY 1. MTS pressure too low. 1. See MTS Troubleshooting Charts. Check product temperature. Should 2. Product too cold. be 18°F (-7.8°C). See Dispensed Product Product Too Hard. dispenses slowly out of Check air meter.
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Soft Serve Freezer Model GES-102 Troubleshooting Tables (continued) PROBLEM PROBABLE CAUSE REMEDY Have condenser cleaned by your Dirty or blocked condenser, restricted air local service company; lower ambient flow – high ambient temperature. temperature. Thermostat cut-in point out of adjustment...
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Soft Serve Freezer Model GES-102 Troubleshooting Tables (continued) PROBLEM PROBABLE CAUSE REMEDY Spigot switch(es) defective or out of Contact your Your local service Compressor and adjustment. company. beater motor do not operate when Contact your Your local service 2. Component failure.
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Soft Serve Freezer Model GES-102 14.1 MTS Troubleshooting Tables PROBLEM PROBABLE CAUSE REMEDY Remove cover, clean inside MTS Mix leaks out of around rollers with spray bottle 1. Transfer hose worn or split. MTS. provided. Install new hose. Do not twist hose.
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QUALITY PARTS condition — always contact PROTECT your H.C. Duke & Son, LLC. Distributor for replacement YOUR parts and maintenance INVESTMENT scheduling. NOTE: Contact your authorized H.C. Duke & Son, LLC. Distributor for instructions prior to warranty compressor replacement. 184559...
Soft Serve Freezer Model GES-102 VQM Error Codes Error Code Description/Action Probable Cause Remedy MAIN COMM The Main P.C. Board 1. Faulty Wire 1. Check Communication cable has stopped receiving Connection between Main P.C. board and U.I. messages from the User board.
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If faulty replace, if thermistor tests o.k. check wire harness connections. If all connections are sound possibility of control board issue. (Contact H.C. Duke & Son for proper compressor oil charge) 9. Condenser Fan Motor 9. Replace Condenser fan motor...
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13. Moisture in system 13. Recover refrigerant, change filter drier, change compressor oil (Contact H.C. Duke & Son for proper compressor oil charge), Evacuate system to a minimum of 200 microns or less. Repeat if necessary 14.
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11. Moisture in System 11. Recover refrigerant, change filter drier, change compressor oil (Contact H.C. Duke & Son for proper compressor oil charge), Evacuate system to a minimum of 200 microns or less. Repeat if necessary...
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy CYL. TEMP Occurs when barrel 1. Faulty wire 1. Locate faulty connection (Wire thermistor is above or connection rubbed through, cut) and repair as below temp. limit for 1 needed.
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy MOTOR Occurs when motor 1. Motor internal 1. Allow motor to cool and overload to OVLD current is 0, and the overload open reset, Check motor start components,...
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) COMP. LO Occurs when low 1. System is Short on 1. Locate refrigerant leak and repair as pressure control is refrigerant needed. Ensure refrigeration system is activated. evacuated to at least 200 microns.
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy COMP. HIGH Occurs when the High 4. High Pressure control 4. Confirm High pressure control is pressure control is is Faulty. faulty by installing manifold gauges to (cont.)
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy POWER FAIL Displays Power Fail if 1. Main Incoming power 1. Check all main power connections, main power to system to unit was disrupted Transformer switch to 208 Volt for...
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Check continuity through relay been rectified. contacts to ensure proper operation. Repair any connections as needed. 4. Control board issue. 4. Contact H.C. Duke & Son Technical Support PUMP HI PSI Displays Pump Hi PSI 1. Pump control relay 1. Test to see if coil voltage is...
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy PUMP Displays Pump Error if 1. Mix Bag has been 1. Ensure the mix bag is changed and ERROR the pump has ran for siphoned out completely...
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy SHORT Displays SHORT when 1. Faulty wire 1. Check to ensure wires have not a thermistor has failed in connection rubbed through and shorted out a shorted state.
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Connection connections as needed. put into freeze, and will remain in standby or off. 5. Program issue 5. Contact H.C. Duke & Son Technical Reset Method: Auto, Support once the condition has been rectified. 184559...
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Soft Serve Freezer Model GES-102 VQM Error Codes (continued) Error Code Description/Action Probable Cause Remedy Main P.C. Occurs if there is a 1. Power Loss to Main 1. Check control transformer for main Board power loss to the Main P.C. Board 24 VAC power supply to main P.C.
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Keep your freezer in excellent QUALITY PARTS condition — always contact PROTECT your H.C. Duke & Son, LLC. YOUR Distributor for replacement INVESTMENT parts and maintenance scheduling. NOTE: Contact your authorized H.C. Duke & Son, LLC. Distributor for instructions prior to warranty compressor replacement.
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REPLACEMENT PARTS MANUAL with Illustrations SOFT SERVE FREEZER Model GES-102 184559-01 - 11/18 H.C. Duke & Son, LLC. P/N 1845559-01 November 2018 Printed In U.S.A.
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Soft Serve Freezer Model GES-102 ILLUSTRATIONS Parts are listed on each page using terminology that best fits the function of the part. It is very important to know the serial number of the machine when ordering parts because many parts are not interchangeable from one serial number to another of the same model.
Soft Serve Freezer Model GES-102 Description BOM ID Qt y Description BOM ID Qt y HC162647-02 HC162137_WHEEL HC162647-01 HC141759 Figure 5 AC Side/Front View (Lower Cab) Item Part No. Description 1 ..........Slide Assembly - Drawer Left 2 ..........Slide - Drawer Right 3 ....
Soft Serve Freezer Model GES-102 Figure 6 1Ph Mix Transfer System - RMT (Breakdown) Use only original or authorized replacement parts with this freezer. Use of unapproved parts will void warranty. 184559...
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Soft Serve Freezer Model GES-102 Figure 6 1Ph Mix Transfer System - RMT (Parts) Item Part No. Description * ....HC118751-03 ..MTS - Assy Cab Red Line/Relief Bisn 1 ....HC121798 .....Cover - Assy RMT HC165246..Decal - Warning Pressurized HC138889..Knob - Cover RMT HC138890..Lanyard - Wire...
Soft Serve Freezer Model GES-102 Figure 7 3Ph Mix Transfer System - RMT (Breakdown) Use only original or authorized replacement parts with this freezer. Use of unapproved parts will void warranty. 184559...
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Soft Serve Freezer Model GES-102 Figure 7 3Ph Mix Transfer System - RMT (Parts) Item Part No. Description * ....HC121634-03 ..MTS - Assy Cab Red Line/Relief Bisn (3 Phase) 1 ....HC121798.....Cover - Assy RMT HC165246..Decal - Warning Pressurized HC138889..Knob - Cover RMT...
Soft Serve Freezer Model GES-102 Figure 8 Switch Box (Breakdown) TOP VIEW 9 10 11 FRONT VIEW Use only original or authorized replacement parts with this freezer. Use of unapproved parts will void warranty. 184559...
Soft Serve Freezer Model GES-102 Figure 12 WC Side/Back View (Upper Section) 12 13 17 18 19 20 21 Use only original or authorized replacement parts with this freezer. Use of unapproved parts will void warranty. 184559...
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Soft Serve Freezer Model GES-102 Figure 12 WC Side/Back View (Upper Section Parts) Item Part No. Description 1 ....HC155405 .....Cut Out - High Pressure 2 ....HC155701 .....Cut Out - Low Pressure 3 ....HC112080 .....Valve - Assy Water 4a ....
Soft Serve Freezer Model GES-102 Figure 13 Panel Breakdown AC = Air Cooled WC = Water Cooled ACR = Air Cooled Remote LH = Left side of freezer when facing front. RH = Right side of freezer when facing front.
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Soft Serve Freezer Model GES-102 Figure 13 Panel Breakdown (continued) Item Part No. Description 1 ....HC121649 .....Panel - Door 26 In 2 ....HC121613 .....Air Curtain 3 ....HC121609 .....Panel - Assy Front 4 ....HC141726 .....Panel - Side RH 5 ....
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