Taylor C791 Operator'S Manual Download

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3/5/2018 (Original Publication)

(Updated 5/13/19)

OPERATOR’S



MANUAL

Model C791 & C794

Soft Serve Freezer

Original Service Instructions

087482-M

Summary of Contents for C791

Page 1: ...3 5 2018 Original Publication Updated 5 13 19 OPERATOR S MANUAL Model C791 C794 Soft Serve Freezer Original Service Instructions 087482 M ...

Page 2: ...__ Cycle__________ Phase__________________________________ Maximum Fuse Size ______________________________________________________ A Minimum Wire Ampacity ___________________________________________________ A Note Continuing research results in steady improvements therefore information in this manual is subject to change without notice Note Only instructions originating from the factory or its au...

Page 3: ...rts Identification Model C791 4 1 Model C794 4 3 Beater Door Assembly 4 5 C791 and C794 Accessories 4 6 Section 5 User Interface Model C791 and Model C794 5 1 Symbol Definitions 5 2 Power Switch 5 2 MIX REF Key 5 2 STANDBY Key 5 2 WASH Key 5 3 AUTO Key 5 3 Indicator Light MIX LOW 5 3 Indicator Light MIX OUT 5 3 RESET Button 5 3 Feed Tube 5 4 Adjustable Draw Handle 5 4 Section 6 Operating Procedure...

Page 4: ... Cleaning and Sanitizing 7 1 Troubleshooting Bacterial Count 7 1 Regular Maintenance Checks 7 1 Winter Storage 7 2 Section 8 Troubleshooting Guide Section 9 Parts Replacement Schedule Maintenance Intervals 9 1 Section 10 Limited Warranty on Equipment Section 11 Limited Warranty on Parts ...

Page 5: ...eath from electrical shock or hazardous moving parts as well as poor performance or damage to the machine Note All repairs must be performed by a Taylor service technician WARNING This machine has many sharp edges that can cause severe injuries Site Preparation Review the area where the unit will be installed before uncrating the unit Make sure that all possible hazards to the user and the equipme...

Page 6: ...ns 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 In all other areas of the world equipment should be installed in accordance with the existing local codes Please contact your local authorities IMPORTANT An equipotentia...

Page 7: ...t Taylor uses only earth friendly HFC refrigerants The HFC refrigerant used in this unit is R404A This refrigerant is generally considered nontoxic and nonflammable with an ozone depleting potential ODP of zero 0 However any gas under pressure is potentially hazardous and must be handled with caution NEVER fill any refrigerant cylinder completely with liquid Filling the cylinder to approximately 8...

Page 8: ...1 4 TO THE INSTALLER 087482 M To the Installer 1 ...

Page 9: ...sistance please contact your local authorized Taylor distributor Note Your Taylor warranty is valid only if the parts are authorized Taylor parts purchased from the local authorized Taylor distributor and only if all required service work is provided by a Taylor service technician Taylor reserves the right to deny warranty claims on units or parts if unapproved parts or incorrect refrigerant were ...

Page 10: ...t known to any technician he employs 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 non billable terms Taylor does have the obligation to recommend a suitable replacement i...

Page 11: ... door beater or scraper blades unless all control switches are in the OFF position Failure to follow these instructions may result in severe personal injury especially to fingers or hands from hazardous moving parts WARNING This unit has many sharp edges that can cause severe injuries DO NOT put objects or fingers in the door spout This may contaminate the product and cause severe personal injury ...

Page 12: ...aced by an authorized Taylor service technician in order to avoid a hazard Failure to follow these instructions may result in electrocution Contact your local authorized Taylor distributor for service CAUTION This unit is equipped with a refrigerated cabinet designed to maintain product temperature at or below 41 F 5 C Any product being added to this machine must be below 41 F 5 C Failure to follo...

Page 13: ...Section 4 4 1 087482 M Operator Parts Identification 4 Operator Parts Identification Model C791 Figure 4 1 1 5 7 8 14 3 4 6 9 12 11 10 13 16 15 2 ...

Page 14: ... 4 Tube Feed X29429 2 5 O ring 643 OD X 077W 018572 6 Panel Rear Air Cooled 086838 7 Panel Side Right 085548 8 Caster 4 SWV 5 8 Stem X 1 3 8 018794 Item Description Part No 9 Deflector 084447 10 Caster 4 SWV 5 8 Stem X 1 3 8 034081 11 Panel A Front Lower X86614 SER 12 Pan Drip 19 1 2 Long 085296 13 Tray Drip 085699 1 14 Shield Splash 086854 15 Panel Front 086615 16 Plate Dec X85804 ...

Page 15: ...OPERATOR PARTS IDENTIFICATION 4 3 087482 M Operator Parts Identification 4 Model C794 Figure 4 2 1 5 7 8 14 3 4 6 9 12 11 10 13 16 15 2 ...

Page 16: ...100 4 Tube Feed X29429 2 5 O ring 643 OD X 077W 018572 6 Panel Rear 086618 7 Panel Side Right 085548 SP1 8 Caster 4 SWV 5 8 Stem X 1 3 8 018794 Item Description Part No 9 Deflector 084447 10 Caster 4 SWV 5 8 Stem X 1 3 8 034081 11 Panel A Front Lower X86614 SER 12 Pan Drip 19 1 2 Long 085296 13 Tray Drip 085699 1 14 Shield Splash 086854 15 Panel Front 086615 16 Stud Nose Cone 022822 ...

Page 17: ...0W 016137 7 Gasket Door HT 4 in 048926 8 Bearing Front 050216 9 Beater A Helicore X31761 10 Blade Scraper 035174 11 Shaft Beater 032564 12 Seal Drive Shaft 032560 Item Description Part No 13 Rod A Pivot X20683 14 O ring 5 16 OD x 070 W 016272 15 Decal Door 3 Spout Twin Twis 062239 16 Cap Design 1 010 ID 6 PT 014218 17 Nut Stud Black 2 563 Long 058764 18 Nut Stud Black 3 250 Long 058765 19 Door A 3...

Page 18: ... 7 Item Description Part No 1 Pail 10 qt 013163 2 Brush Rear BRG 1 in D X 2 in LG 013071 3 Brush Double Ended Pump and Feed 013072 4 Brush Draw Valve 1 OD X 2 X 17 013073 5 Brush Mix Pump Body 3 X7 White 023316 Item Description Part No 6 Lubricant Taylor 4 oz 047518 7 Kit A Tune Up 3 Spout Non HT X49463 4 8 Deflector Blower Exhaust 084447 9 Sanitizer Stera Sheen Green 055492 ...

Page 19: ... Interface Model C791 and Model C794 Figure 5 1 RESET 1 5 3 2 3 4 5 4 7 6 6 7 8 Item Description 1 Power Switch 2 MIX REF Key 3 STANDBY Key 4 WASH Key Item Description 5 AUTO Key 6 Indicator Light Mix Low 7 Indicator Light Mix Out 8 Reset Button ...

Page 20: ...oduct breakdown In the standby mode the wash and auto functions are automatically canceled To use the standby feature perform the following steps Note Make sure your hands are clean and sanitized before performing the following steps 1 Remove the air orifices and invert the mix feed tubes so that the end with the mix delivery hole is positioned at the top Install the end without the mix delivery h...

Page 21: ...ast 3 in 76 mm of mix in the hopper If you neglect to add mix a freeze up may occur This will cause eventual damage to the beater blades drive shaft and freezer door Indicator Light MIX OUT When the Mix Out symbol is illuminated the mix hopper has 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 b...

Page 22: ...e air orifice is removed and the feed tube is inverted The end of the feed tube without the mix delivery hole is placed in the mix inlet hole to prevent mix from entering the freezing cylinder Figure 5 6 Note Make sure the level of mix is below the mix delivery hole in the side of the feed tube Failure to follow this instruction may result in lower product quality when normal operation is resumed ...

Page 23: ...re they apply for the second freezing cylinder If you are disassembling the machine for the first time or need information to get to the starting point in our instructions turn to Disassembly on page 6 10 and start there Assembly Note When lubricating parts use an approved food grade lubricant example Taylor Lube WARNING Make sure the power switch is in the OFF position Failure to follow this inst...

Page 24: ... freezing cylinders align the hole at the rear of the beaters with the flats on the end of the drive shafts 8 Slide the beaters the remainder of the way into the freezing cylinders and over the end of the drive shafts The beaters should fit tightly but not so tightly that the beaters cannot be turned slightly to engage the drive shafts If the beaters slide in too easily with little or no resistanc...

Page 25: ...ing cylinder Figure 6 8 Note The short handscrews go on the bottom and the long handscrews go on the top 14 With the door seated on the freezer studs install the handscrews Tighten equally in a crisscross pattern to ensure the door is secured Figure 6 9 15 Slide the two O rings into the grooves of each standard draw valve Slide the H ring and O ring into the grooves of the center draw valve Lubric...

Page 26: ... draw handles Slide the fork of the draw handle in the slot of the draw valve starting from the right Slide the pivot pin through each draw handle as you insert them into the draw valves Figure 6 13 Note These units feature adjustable draw handles to provide the best portion control The draw handles can be adjusted for different flow rates See Adjustable Draw Handle on page 5 4 for more informatio...

Page 27: ... two O rings on one end of the air tube Slide two O rings on the other end of the air tube Figure 6 17 23 Slide the small O ring into the groove of the air orifice Do not lubricate the O ring Figure 6 18 Note Make sure the hole in the air orifice is clean and is not clogged If the hole in the air orifice should become clogged use soap and hot water to clear the hole Do not enlarge the hole in the ...

Page 28: ...tion can result in damage to the machine Sanitizing 1 Prepare an approved 100 PPM sanitizing solution examples 2 5 gal 9 5 L of Kay 5 or 2 gal 7 6 L of Stera Sheen Use warm water and follow the manufacturer s specifications 2 Pour the sanitizing solution into the hopper and allow it to flow into the freezing cylinder Figure 6 20 3 While the solution is flowing into the freezing cylinder brush clea...

Page 29: ... the center draw handle down to sanitize the center door spout Figure 6 26 8 When a steady stream of sanitizing solution is flowing from the prime plug opening in the bottom of the freezer door lower the draw handle Draw off all the sanitizing solution Figure 6 27 9 Once the sanitizer stops flowing from the door spout raise the draw handle and press the WASH key canceling the beater motor operatio...

Page 30: ...spout lower the draw handle Be sure the prime plug is still in the up position Pour 2 gal 7 6 L 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 door spout raise the draw handle Note Use only fresh mix when priming the freezing cylinder Figure 6 29 2 Once a steady stream...

Page 31: ...easier cleaning Remove the mix hopper cover and feed tube from the machine Take them to the sink for cleaning 2 If local health codes permit the use of rerun place a sanitized NSF approved stainless steel rerun container beneath the door spouts Press the WASH key and open the draw valves When all the product stops flowing from the door spouts close the draw valves and press the WASH key to cancel ...

Page 32: ...amount of mix the drive shaft O ring of the beater assembly should be replaced or properly lubricated Brush Cleaning 1 Prepare a sink with an approved cleaning solution examples Kay 5 or Stera Sheen Use warm water and follow the manufacturer s specifications Important Follow label directions Too strong of a solution can cause parts damage while too weak of a solution will not provide adequate clea...

Page 33: ...ak the rerun cycle and reduce the possibility of high bacteria and coliform counts 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 them The temperature of the mix in the mix hopper and walk in cooler should be below 40 F 4 ...

Page 34: ... disconnect the water supply Relieve pressure on the spring in the 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 Your local Taylor distributor can perform this service for you Disconnect the freezer from the main power source...

Page 35: ...se d The beater motor overloaded causing a loss of power to the power switch d Reset the freezer 5 3 3 The product is too stiff a The control is set too cold a Contact service technician 4 The product is too soft a The control is set too warm a Contact service technician b The air tube is not installed b Install the air tube in the mix inlet hole at the bottom of the mix hopper 6 8 c Out drawing t...

Page 36: ...let hole is frozen d Contact service technician 9 The unit goes out on overload excessively a There are too many appliances plugged into the circuit a A separate 20 A circuit is needed for the freezer to operate properly b An extension cord has been placed between the power cord and the wall receptacle b If the extension cord is used it must match the power cord in size of circuit ampacity 10 Mix ...

Page 37: ...e X Freezer Door Gasket X Front Bearing X Draw Valve O ring X Pivot Pin O ring X Prime Plug O ring X Air Tube O ring X Air Orifice O Ring X White Bristle Brush 3 x 7 Inspect and replace if necessary Minimum White Bristle Brush 1 x 2 Inspect and replace if necessary Minimum Black Bristle Brush 1 x 2 Inspect and replace if necessary Minimum Double Ended Brush Inspect and replace if necessary Minimum...

Page 38: ...9 2 PARTS REPLACEMENT SCHEDULE 087482 M Parts Replacement Schedule 9 Notes ...

Page 39: ...LIMITED WARRANTY CONDITIONS 1 If the date of original installation of the Product cannot be verified then the limited warranty period begins ninety 90 days from the date of Product manufacture as indicated by the Product serial number Proof of purchase may be required at time of service 2 This limited warranty is valid only if the Product is installed and all required service work on the Product i...

Page 40: ...ge or repairs due to theft vandalism wind rain flood high water water lightning earthquake or any other natural disaster fire corrosive environments insect or rodent infestation or other casualty accident or condition beyond the reasonable control of Taylor operation above or below the electrical or water supply specification of the Product components repaired or altered in any way so as to in the...

Page 41: ...OR INCIDENTAL DAMAGES INCLUDING CLAIMS FOR LOST SALES LOST PROFITS PRODUCT LOSS PROPERTY DAMAGES OR SERVICE EXPENSES ARE EXPRESSLY EXCLUDED THE EXPRESS WARRANTIES MADE IN THIS LIMITED WARRANTY MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHATSOEVER LEGAL REMEDIES The owner must notify Taylor in writing by certified or registered letter to the following address o...

Page 42: ...10 4 LIMITED WARRANTY ON EQUIPMENT 087482 M Limited Warranty on 10 Notes ...

Page 43: ...se may be required at time of service 2 This limited warranty is valid only if the Part is installed and all required service work in connection with the Part is performed by a Taylor authorized distributor or service agency 3 The limited warranty applies only to Parts remaining in use by their original owner at their original installation location in the unit of original installation 4 Installati...

Page 44: ...d from beginning warranty service work promptly upon arrival 9 Failure damage or repairs due to faulty installation misapplication abuse no or improper servicing unauthorized alteration or improper operation or use as indicated in the Taylor Operator s Manual including but not limited to the failure to use proper assembly and cleaning techniques tools or approved cleaning supplies 10 Failure damag...

Page 45: ...NCIDENTAL DAMAGES INCLUDING CLAIMS FOR LOST SALES LOST PROFITS PRODUCT LOSS PROPERTY DAMAGES OR SERVICE EXPENSES ARE EXPRESSLY EXCLUDED THE EXPRESS WARRANTIES MADE IN THIS LIMITED WARRANTY MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHATSOEVER LEGAL REMEDIES The owner must notify Taylor in writing by certified or registered letter to the following address of an...

Page 46: ...11 4 LIMITED WARRANTY ON PARTS 087482 M Limited Warranty on Parts 11 Notes ...

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