Duke DQ 957RMT Operator’S Manual With Illustrated Parts List Download

Page: 74 / 83

Twin Twist Soft Serve Freezer Model 957RMT

184957

Figure 10 Panel Breakdown

(sheet 1 of 2)

Hardware for Panels for 957RMT

Panel

Screw

Nut-Speed

Spacer

Nut-Speed

on Frame

Channel-Rear

HC160048

HC160117

n/a

Dispense

HC160076

HC159132

HC138456 n/a

Front

HC160076

HC159132

n/a

HC159067

Rear

HC160048

HC160114

HC138456 n/a

Side

HC159219

HC160114

HC138456 n/a

Top

HC160305

n/a

Trimstrip

HC160076

n/a

n/a – Not Applicable

Summary of Contents for DQ 957RMT

Page 1: ...on LLC P N 184957 January 2016 Printed In U S A OPERATOR S MANUAL with Illustrated Parts List Twin Twist Soft Serve Freezer Models 957RMT H C DUKE SON LLC 2116 8th Avenue East Moline Illinois 61244 18...

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Page 5: ...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 Understan...

Page 6: ...o 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...

Page 7: ...ion instruction and information decals or labels on the freezer as shown in the figure on the next page The labels have been put there to help maintain a safe working environment The labels have been...

Page 8: ...x transfer system Hazardousrotatingbeatershaft Donot operateunitwithdispenseheadremoved Beforeremovingdispensehead 1 Turnallcontrolswitchesto OFF and 2 Disconnectallpowersupplies Unit mayhavemorethano...

Page 9: ...rt Names and Functions 5 Operator Controls 7 Disassembly and Cleaning 7 1 Cleaning Accessories 7 2 Disassembly Instructions 7 3 Cleaning Instructions 8 Assembly 9 Start up Instructions 9 1 Sanitizing...

Page 10: ...Twin Twist Soft Serve Freezer Model 957RMT viii 184957...

Page 11: ...tant to follow the assembly and priming procedures detailed in this manual Be sure all personnel responsible for equipment operation completely read and understand this manual before operating the fre...

Page 12: ...sit If the SHOCKWATCH label indicates red and or the carton is broken torn or punctured note the damage on the carrier s freight bill and notify the carrier s local agent immediately Also note on the...

Page 13: ...han a 6 volt difference between any two voltage measurements at 208 230 volts indicates a possible imbalance Request your local power company to correct any voltage problem 3 An easily accessible main...

Page 14: ...panel Important Set switch next to the connection box UP for 220 230v or DOWN for 208 219V Failure to set switch to proper voltage will cause damage to the electrical components and will void all war...

Page 15: ...bs kg 847 384 Compressor 2 2 H P 9500 BTUH 1 5 kw Motor 2 8 kw Cooling Beater Motor 2 2 H P 1 5 kw Refrigerant 404a Charge 3 75 lb 1 7 kg Mix Container 2 30 Qts 28 4 Liters Cylinder 2 4 Qts 3 8 Liters...

Page 16: ...957RMT are provided in Figure 3 1 below Figure 3 1 3 2 Dimensions Model Ser No Volts Ph HZ Wire ASSEMBLED IN USA SINGLE UNIT Cyl Compressor RLA LRA Beater Motor FLA HP Pump Motor FLA HP Cabinet Compr...

Page 17: ..._________ Installation Date______________________________ Installed by ______________________________ Address_________________________________ _______________________________________ Phone ___________...

Page 18: ...Twin Twist Soft Serve Freezer Model 957RMT 8 184957 4 Part Names and Functions Figure 4 1 Head Assembly...

Page 19: ...Extends the product opening down to shape the product as it is dispensed 8 O RING HEAD Seals the head to the freezing cylinder Must be lubricated 9 O RING AIR BLEED PLUG Seals the air bleed plug in t...

Page 20: ...Twin Twist Soft Serve Freezer Model 957RMT 10 184957 4 Part Names and Functions continued Figure 4 2 Beater Shaft Assembly...

Page 21: ...ER Rotates in the freezing cylinder blending air and mix as it ejects product 3 BLADE SCRAPER Scrapes the frozen product from the freezing cylinder wall 4 O RING SHAFT SEAL Seals the beater shaft to t...

Page 22: ...tem MTS AIR METER TUBE AIR RETAINER AIR TUBE CLAMP SOFT HOSE HOSE MIX BRAIDED SUPPORT ROLLER BEARING HOSE TRANSFER RED LINE ROLLER ASSY COMPLETE SHOE ROLLER CLAMP SOFT HOSE O RING PORT AIR MIX INLET C...

Page 23: ...system 8 TUBE AIR Provides connection for the air meter 9 CLAMP ASSY SOFT HOSE 5 8 Prevents mating parts from leaking 10 HOSE ASSY MIX BRAIDED Connecting tube between the Mix Transfer System and the...

Page 24: ...Switch This three position switch controls the functions of your freezer A CLEAN Left Position This position operates the beater only no refrigeration to the cylinder Always use this mode in all clea...

Page 25: ...ight Position The cabinet will not be refrigerated in the OFF position unless either selector switch is in the ON position NOTE The cabinet is automatically ON when either selector switch is in the AU...

Page 26: ...refilled as soon as possible Always maintain at least 2 5 1 cm of mix in the container For best operating results keep container full IMPORTANT If proper mix level is not maintained a freeze up may oc...

Page 27: ...completely 7 Disassembly and Cleaning It is important that the freezer be disassembled washed lubricated and sanitized before operation The cleaning and sanitizing instructions explained in this manu...

Page 28: ...embled shaft seal and bushing 5 HC158037 BRUSH 1 4 inch diameter 18 1 2 inches overall length used to clean the air meter hose the small hole in the back of the dispense head and small parts 6 HC16937...

Page 29: ...al Figure 7 2 7 2 Disassembly Instructions CUP SEAL WASHER O RING continued 1 If there is product in the freezer refer to Sec 9 Closing Procedures 9 1 Draining Product 2 See figure 7 2 Remove the spig...

Page 30: ...emove the MTS hose assemblies form the Mix Transfer Systems as follows figure 7 4 a remove cover b loosen the hand knob c swing back the shoe clamp d swing open the roller shoe e loosen the clamp on b...

Page 31: ...100 PPM available chlorine solution example Stera Sheen Green Label Use warm water 100 110 F or 38 43 C to wash rinse and sanitize 2 Wash all the parts removed from the freezer thoroughly with dish d...

Page 32: ...sanitizing solution a mix feed tubes from the refrigerated cabinet to the cylinders as shown in figure 6 7 b the inside of the cylinders including the back wall as shown in figure 6 8 c the inside of...

Page 33: ...h in between rollers Flush clean with water bottle Important Do not let shoe sit in sanitizing solution or water Corrosion will occur in bore 4 Lubricate the shoe pivot arm and the swing clamp arm wit...

Page 34: ...the cup seal and o ring on the washer see figure 1 6 Apply a light amount of approved sanitary lubricant such as Lubri Film Plus to the o ring and the face of the plastic washer opposite the bell port...

Page 35: ...ure 8 4 Install and lubricate the o rings 3 see o ring chart last page on the dispensing spigots 2 12 and insert the spigots into the head 1 Check by turning the spigots side to side making sure they...

Page 36: ...ld the mix air inlet port with the transfer hose mix port on your right and the barbed air port facing away from you With the locating line up slide the mix transfer hose onto the port Then slide a cl...

Page 37: ...18 Swing the shoe over hose and tighten the swing clamp hand knob in place 19 Insert the air tube into the retainer in the back of the cabinet 20 Insert the MTS cover over stud Hose clamps should be...

Page 38: ...and forearms 3 Clean the interior mix tank walls the underside of the tank covers and low mix probes with sanitizer liquid and the appropriate brush provided 4 Place the mix tank in the refrigerated...

Page 39: ...der until mix flows from the bottom of the air bleed plug openings in the bottom of the dispense head close the air bleed plugs Wait for the MTS to fill the cylinders and shut off 12 After the cylinde...

Page 40: ...required for the freezer to shut off 4 If the freezer has not been used for more than two and a half minutes and the product requires a firm base then dispense a small amount of mix in the spigot int...

Page 41: ...k of the cabinet 4 Remove each mix tanks while pulling the stainless steel pickup tube from the mix tank Place the pickup tubes in a clean sanitized container 5 Mix must be handled according to local...

Page 42: ...touch the bottom of the switch box Open the spigots 16 Place the MTS pump switches in ON position When sanitizer flows out the bottom of the had close the air bleed plugs and allow the MTS to pressuri...

Page 43: ...rature and overrun to see if they fall into normal operating ranges 11 2 Checking the Frozen DQ Product 11 1 Dairy Queen Mix 1 Standard approved Dairy Queen mix weight is approximately 9 25 lbs per ga...

Page 44: ...cale part HC158049 that is graduated in overrun percentage Section 10 7 is an overrun chart which shows the net weight of one measure pint of frozen Dairy Queen product in grams ounces and their corre...

Page 45: ...ch full step change will result in a 8 10 change in overrun The orifice or hole in this air meter must be open at all times It is the only source of air into the freezing cylinder Check this daily The...

Page 46: ...Wt 1 Pint of Frozen Dairy Queen In Grams Percentage of Overrun 13 7 388 4 35 13 6 385 5 36 13 5 382 7 37 13 4 379 9 38 13 3 377 39 13 2 374 2 40 13 1 371 4 41 13 0 368 5 42 12 9 365 7 43 12 8 362 9 44...

Page 47: ...he Mix Transfer System Important If the transfer hose is assembled improperly or replacement has been neglected it may be necessary to clean mix from the MTS due to hose failure If this happens freque...

Page 48: ...izer f Wipe all surfaces with a clean dry cloth g Remove and clean shoe See figure 11 1 AS NEEDED continued Figure 11 1 WEEKLY 1 Carefully inspect all parts for wear including seals O rings mix transf...

Page 49: ...ion 1 Be sure all switches are in the OFF position 2 Disconnect the main power supply 3 Remove the dispense head and beater shaft assemblies 4 Connect the main power supply Check the outlet water temp...

Page 50: ...stments 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 QUARTER...

Page 51: ...technician for service to replace drive belts and lubricate fan motor as needed 2 Call your service technician to clean the inside of the freezer including base side panels condenser etc 3 Call your s...

Page 52: ...freezer in a dry location 6 On air cooled freezers have condenser fins cleaned by authorized service technician 7 On water cooled freezers disconnect the water supply Use compressed air to blow out a...

Page 53: ...our environment use a refrigerant recovery recycling unit when removing refrigerant from the system This safety alert symbol identifies important personal safety messages in this manual When you see...

Page 54: ...6 Contact your Your local service company 7 Faulty selector switch 7 Contact your Your local service company 8 Disconnected or broken wire in electrical circuit 8 Contact your Your local service compa...

Page 55: ...our Your local service company 3 Spigot switch electrically or mechanically stuck closed Unit runs all the time 3 Contact your Your local service company 4 Component failure 4 Contact your Your local...

Page 56: ...oes not operate 1 Head assembly is not installed 1 Install head assembly 2 Magnetic head switch defective 2 Contact your Your local service company 3 Component failure 3 Contact your Your local servic...

Page 57: ...Contact your Your local service company 2 Cabinet solenoid defective does not open 2 Contact your Your local service company 3 Cabinet switch defective 3 Contact your Your local service company 4 Doo...

Page 58: ...vice company 3 Dirty condenser 3 Have condenser cleaned by your local authorized service company 4 Unit location too warm air cooled 4 Relocate unit away from restriction Place nothing against the bac...

Page 59: ...ive 6 Contact your Your local service company 7 Motor defective or internal overload tripped 7 Contact your Your local service company MTS will not shut off 1 Hose broken 1 Replace hose 2 Pressure swi...

Page 60: ...leak between pickup tube and hose 2 Replace as needed 3 Air line hose cracked sucking air 3 Replace air line hose 4 Defective or missing duckbill valve 4 Replace valve Mix shoots out air meter 1 Swin...

Page 61: ...H C Duke Son LLC P N 184560 01 January 2016 Printed In U S A REPLACEMENT PARTS MANUAL with Illustrations SOFT SERVE FREEZER Model 957RMT 184560 01 1 16...

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Page 63: ...the manual should be ordered through H C Duke Son LLC 2116 8th Avenue East Moline Illinois 61244 Telephone 309 755 4553 or 800 755 4545 Fax 309 755 9858 E mail service hcduke com Table of Contents Fi...

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Page 65: ...Rod Spigot Switch 6 HC162625 Knob Hand 6A HC114341 01 Stud Assy Cylinder 3 13 16 not shown 7 HC136713 Extension Spigot 8 HC160583 O Ring 4 Head 9 HC160562 O Ring Air Bleed Plug 10 HC115129 Bleeder As...

Page 66: ...ssembly Item Part No Description 1 HC196079 Bushing Cylinder 2 HC113438 Shaft Assy Beater 3 HC137334 Blade Scraper Soft Serve 4 HC160500 O Ring Shaft Seal 5 HC133098 Washer Shaft Seal 6 HC160557 Seal...

Page 67: ...15 HC118751 03 MT Assy CAB Redline See Explode View Fig 5 16 HC116065 Clamp Assy Soft Hose 5 8 17 HC150612 Switch Door Push Button 17A HC118597 Actuator Assy Door Switch 18 HC138170 02 Tube Air 7 1 2...

Page 68: ...Duckbill Inlet Valve 3 HC118765 Port Assy Inlet Mix Air 4 HC138170 02 Tube Air Hose 5 Meter Air Order by meter number 6 HC116065 Clamp Assy Soft Hose 5 8 7 HC116094 Hose Assy Mix Braided 8 HC199033 B...

Page 69: ...10 HC160267 Screw RDHM 8 32 x 7 8 Brass 11 HC160102 Nut HEX 8 32 ZN 12 HC135744 Insulator Switch Includes items 1 12 Figure 5 Spigot Switch Assemblies Item Part No Description HC114486 Switch Assy Sp...

Page 70: ...p Terminal 7 HC116188 Mov Assy 8 HC159235 Switch Toggle SPST 9 HC113903 Switch Assy Spigot 10 HC114486 Switch Assy Spigot IDQ Center 11 HC150798 Strip Terminal 12 HC116125 Filter Assy 13 HC150069 Rela...

Page 71: ...Cover 2 160308 Screw RDHM 6 32x5 16 ZN 2A 160116 Nut Speed 6 32 BKOX 3 138159 Bracket Flange Relay Mtg 4 138169 Support MTS 5 159950 Screw HXSF 1 4 20x1 2 ZN 5A 159951 Nut HXSF 1 4 20 ZN 6 150828 Con...

Page 72: ...e Freezer Model 957RMT 8 184957 Figure 9 Mix Transfer System RMT Breakdown 3 4 5 6 7 8 9 10 11 12 13 14A 14B 15 17 18 19 20 19 21 26 25 24 23 22 21 19 29 30 20 18 17 31 32 41 40 39 3 38 37 36 33 34 35...

Page 73: ...her Flat 3 8 SST 19 HC159933 Nut HXSF 1 4 20 SST 20 HC159927 Nut Hex 3 8 16 SST 21 HC138793 Spacer Motor 22 HC165524 Block Insulation RMT 23 HC121027 Kit Gearmotor 1 6Hp Replacement Model Rmt Includes...

Page 74: ...57RMT Panel Screw Nut Speed Spacer Nut Speed on Frame Channel Rear HC160048 HC160117 n a n a Dispense HC160076 HC159132 HC138456 n a Front HC160076 HC159132 n a HC159067 Rear HC160048 HC160114 HC13845...

Page 75: ...Light Indicator 230V ADD MIX 18 HC150561 Light Pilot Red 230V 19 HC114341 01 Stud Assy Cylinder 3 13 16 20 HC119915 Head Assy Dispense See Figure 1 21 HC162625 Knob Hand 22 HC114260 03 Door Assy Compl...

Page 76: ...Twin Twist Soft Serve Freezer Model 957RMT 12 184957 Figure 11 Back Side View sheet 1 of 2...

Page 77: ...t Gearmotor Replacement Model RMT Mix Transfer Figure 11 Back Side View sheet 2 of 2 17 HC119541 Compressor Assy 208 230 3 60 3ph includes compressor and HC155054 Drier Filter HC155419 Valve Access or...

Page 78: ...low Speed Cone 2 ea 5 HC153051 Seal Oil Slow Speed 2 ea 6 HC153053 Seal Oil High Speed 2 ea 7 HC153349 Gear Bronze 1 ea 8 HC153350 Shaft Slow Speed 1 ea HC153000 Gear Assy Output Slow Speed 9 HC153348...

Page 79: ...Assembly Item Part No Description 1 HC160320 Screw SKHC 10 24 x 1 3 4 SST 2 HC160166 Washer Lock 10 ST 3 HC160556 Gasket Mix Joint 4 HC139351 Collar Alignment 5 HC139349 Tube Mix Feed Clamp 6 HC13935...

Page 80: ...Plate Coupling Mtg 8 HC153418 Coupling Refr 1 2 MQC 1 2 SW 8A HC153502 Flange Refr Coupling Mount 8B HC153503 Cap Dust Refr Coupling 9 HC139017 Shield Motor Rain 10 HC137632 Bracket Fan Condenser 11...

Page 81: ...8 Chart O Ring Laminated HC158051 Cup Overrun One Pint HC184644 DVD Training 919RMT 929RMT 959RMT HC158012 Handle Brush Fiberglass HC136567 Hose Spigot Drain HC112978 Leg Assy 6 HC158054A Lubricant Lu...

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Page 83: ...Twin Twist Soft Serve Freezer Model 957RMT 184957 19 O Ring Chart...

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