SERVICE MANUAL MODEL 427-A/W FROSTY
Contents
1. Panel Louver F0254 Proximity Sensor F0052 Relay NO NC 15A F0050 Right Side Panel F6406 Scraper Blade long C6510F Small Clip Ring F0331 Switch Nut F7003 Switch 3 Position Top 3 gang F0418 Switch High Pressure 400psi F5564 Thermostat F0397 222. aw SEP Spring Faucet Body MODEL 427A Part No C6521 C6522 F0357 C6513 C6513B F0197 N A C6513P F0491 F0298 Rod Plunger O Rings meee I O Ri B Faucet Nut l Add Teflon Tape 17 Beater Bar Spring Installation Spring position is shown without scraper blade for clarit Scraper Blade Tap rod toward one side as shown prior to installation Insert L gt gt gt this end into beater bar j hole first lo AK F j mn a After installation tap rod until evenly spaced in beater bar as shown 18 FLOAT SWITCH ASSEMBLY 1 The float switch assembly consists of Post switch Float Float clip O Ring and Nut 2 There are two dots on one end of the float When assembled the two dots must be on the top end of the float 3 Place O Ring so that it will be inside the hopper sink bottom when finished o Clip a Post Switch Bottom of hopper a Float ex shape for back up wrench L wires from float switch to control circuit Top View of Float Switch Two Dots Up Float Clip Thermostat System Stand By L1 To upper Switch 2 pos switch 19 Glycol Tube Hopper refrigeration is provided by a thermostat controlled glycol pump system When both switches are selected to the right cone and snowflake symbols the glycol pump circulates cold liquid from around the freezing cylinder to the hopper to maintain a product
3. F1203 Lg Motor Stop Bracket Note The split Ring fits into the motor frame It should be installed around the motor bearing and rubber band prior to placing the assembly into the motor 13 Drive Belt System All Sorbeteer Models Frame Drive Motor F732 Motor mount screws Note Motor stop bracket not shown Drive pulley F0471 Belt F0473 Flywheel F6525 1 To increase belt tension loosen the 4 motor mount screws and pry the entire 2 motor assembly until the belt is snug Re tighten the motor mount screws To test the belt tension press on the belt at the mid point arrow The belt should move easily for the first 1 2 inch It should be difficult to press the belt more than 1 inch To align the drive pulley with the flywheel loosen the Allen screw on the drive pulley and nudge the pulley forward or back as necessary 14 Model 427A Wire Drawing ht to fill switch orn to lower relay com ht to vend sensor ht to fill light ed to lower relay coil blk hp sw to timer blk hp sw to cont coil Comp red bl wht an ll iN blu to lower right contactor terminal blk to comp relay 5 Ik to t blk L1 orn to t block L2 wht to t blk L2 Swi wht to t block SL2 rn to ground ylw to lower left contactor terminal blk to relay 4 red to t block tr blk to relay 5 blk to t block L1 pur amp gry to t stat Ree ee Blk to comp relay 5 comp
4. cord Wht to comp relay 2 cord S T T A a e eo ht to t block SL2 wht to upper relay coil Pe OU eae wht to 24v tsfmr Wht to t block S19 Blk to lower left cont ernal vend Wht to 1 5 sec Timer sensor m s cord EEEE uu ss sscccsecccsescesesesesseeesessnaessneeeee 15 Drip Tube Brush Usage Drip Chamber Ei t a i Te i Tan Taa Ta Ta T aa Ta To Tg Ceramic Seal Faucet Brush 4 Cae e a ee ed Pe a eal k D a a a gt a oa Cylinder Drip Tube _ Drip tube Brush Ny eA O Cy Drain Spacer Block 1 Dip the Faucet Brush in warm water 2 Insert brush into the hole in the ceramic seal in the rear of the cylinder Rotate the brush completely around to clean as shown Remove brush 3 Dip the Drip Tube Brush in warm water and insert brush into drip tube 4 Move brush back and forth to clean Be sure the brush has been inserted completely into the Drip chamber 5 Clean the brushes with hot soapy water when done O Ring Faucet Brush Usage Face Plate p a Use the Faucet Brush to clean the inside surfaces of the faucet as well as the inside of the ceramic seal in the cylinder Faucet Body Faucet Nut 16 FACEPLATE ASSEMBLY Face Plate Faucet Assembly A The face plate assembly 1 Bushing 2 O Ring 3 Faucet assembly B The faucet assembly 1 Faucet body 2 Chrome nut 3 Teflon tape 4 Plunger assembly a O rings b Petro Gel
5. float clip and overrun tube CAUTION If you over tighten the knobs or tighten against a beater bar that is not fully engaged in the drive plate permanent distortion to the faceplate may occur 5 Mix two gallons of warm water with one 2 oz packet of Sanitizer 6 Pour two gallons of solution into hopper Clean the hopper and feed hole Be sure the sanitized brush passes all the way through the feed hole and is visible in the cylinder 7 Place upper switch in faucet position Let solution stir for 5 minutes Turn upper switch OFF hand position drain and dispose of all solution 8 Pour product into hopper When bubbling stops re install the overrun tube Continue to fill the hopper until about 1 from the top Drain a small amount of product into small disposable container about 4 ounces and discard Replace hopper cover Place both switches in right snowflake position when ready to freeze product 4 3 PREVENTATIVE MAINTENANCE It is recommended that a maintenance schedule be followed to keep the machine clean and operating properly WARNING Never attempt to repair or perform maintenance on machine until the main electrical power has been disconnected A DAILY The exterior of the machine should be kept in a clean sanitized condition at all times to preserve the quality of the product and the luster of the stainless steel A mild soap solution is recommended Clean with a soft cloth or sponge B WEEKLY 1
6. run until it shuts off Shake should now be proper consistency B If machine has cycled off Check recipe to see if improper mix has been used C If several shakes have been served in fast sequence allow time for the machine to recover about three to five minutes before continuing to serve If no product has been drawn in awhile draw several servings in a sanitary container and pour back into the hopper Stir product in the hopper and re start the freezing process by holding a container in front of the vending sensor 1 REAR CYLINDER ASSEMBLY SMOOTH OPERATOR Model Numbers 427A ITEM NUMBER DESCRIPTION 2 F0355 Ceramic Seal 4 C2306 Bearing Plate 6 F0330 Large Clip Ring 8 F6525 Flywheel 10 C4403 Drive Plate 12 F0426 3 8 Drain Tube plastic Note F0355 is the part number for the Spring Seal Assembly which includes the ceramic seal No 2 above TORQUE CONSISTENCY CONTROL SMOOTH OPERATOR NS J 2 RL t 13 See Note ITEM NUMBER DESCRIPTION 1 F0443 Washer flat 5 16 2 F0440 Tension Adjustment Screw 3 F0441 Lock Nuts 1 4 4 F4202A Adjustment Bracket 5 F0469 Tension Spring 6 F732 Drive Motor 7 F0474 Motor Bracket Bearing 8 F0162 Micro switch Cam 9 F0470 Rubber Band Motor Bracket 10 F0346 Micro switch 11 F0473 Drive Belt 12 F0471 Drive Pulley 13 F0092 Split Ring 14 F6516 Spring Bracket 15 F0117 Motor Mount Removable 16
7. Check O rings and rear seal for excessive wear and replace if necessary 2 Clean the drip tray and front of the machine with a soap solution C MONTHLY 1 Visually check the glycol level in the supply tube visible in the clear tube after removal of the left side panel The glycol level should be about 2 inches from the top of the tube Mix Glycol with an equal amount of water to achieve a 50 mix 2 Visually inspect the condenser for dirt by shining a light through the coil from the inside of the condenser CAUTION Air cooled condensers must have proper air circulation Failure to clean the condenser on a regular basis may result in serious damage and could void warranty 3 If the condenser is dirty place a wet towel over the outside of the condenser Using compressed air or a CO2 tank blow out the dirt from the inside of the condenser Most of the dirt will cling to the wet towel 4 An alternative method of cleaning the condenser is to use a condenser brush and vacuum NOTE If the condenser is not kept clean loss of refrigeration efficiency will result causing extended run time or soft product consistency 4 4 EXTENDED STORAGE Refer to the following steps for long term storage of the machine 1 Turn the three position switch to the OFF center position 2 Disconnect unplug from the electrical supply source 3 Clean thoroughly with a warm detergent solution all parts that come in contact with the mix Rinse i
8. SERVICE MANUAL MODEL 427 A W FROSTY FACTORY OF AMERICA INC RUSTON LA 71270 318 255 1162 All technical data pictures and drawings contained in this manual are not binding on the manufacturer nor can the manufacturer be held liable for any modifications to the machine in whole or in part Rev 03 18 03 pt SECTION 1 INTRODUCTION 1 1 USE OF THIS MANUAL Your service manual has been prepared as a guide to help you get the most from your model 427A Smooth Operator Shake Machine It contains information about the installation and operation of your machine The manual also contains instructions for service and care The manual should be read carefully by the operator to become familiar with the machine and the correct operating procedures described within The following notations are used throughout the manual to bring important facts to your attention Warning This notation is used whenever the personal safety of the operator s might be jeopardized if procedures are not followed correctly Caution This notation is used whenever the machine or related equipment may receive or cause damage if not observed Note This notation is used to bring important information to your attention that will enhance the performance of your machine 1 2 PRELIMINARY INSPECTION Unpack the unit as soon as possible upon its arrival Check the entire machine and its contents for possible shipping damage Note damage if an
9. chine as permanent damage may occur to the evaporator and hopper Clean the hopper and entire feed hole Be sure that the brush has passed all the way through the feed hole into the cylinder Place upper switch in faucet position to let the machine stir for 2 minutes Turn machine OFF drain and dispose of the rinse water Repeat until water is clear 4 Mix two gallons of warm water approximately 100 F with two ounces of sanitizing powder to achieve 100 parts per million PPM sanitizing solution 5 Pour the sanitizing solution into the hopper Clean hopper and the entire feed hole Place upper switch in faucet position Let solution stir for 5 minutes Then turn machine OFF and drain the solution Rinse with fresh water and drain 6 Remove the knobs from the faceplate by turning in a counter clockwise direction Carefully pull the faceplate straight away from the front of the machine Remove the beater bar assembly from the cylinder Then slide the spring seal off the rear of the beater bar Unscrew white faucet cap to remove faucet plunger from faucet body Remove all o rings for cleaning NOTE Do not unscrew faucet body from faceplate to clean Leak free service after disturbing the Teflon seal cannot be assured 7 All parts removed during the above steps plus the drip tray and insert can now be cleaned in a warm soapy solution Rinse all parts in clean rinse water and allow to air dry before re assembl
10. ge without notice Electrical Dispensing unit 115V 60Hz 1Ph 16 total amps with a 20 amp cord Dimensions Dispenser Width 1644 41cm Length 29 73cm Height 32 80cm Approximate Weights Net 205 lbs Crated 215 Ibs This unit is designed and constructed to meet stringent safety and sanitation SECTION 2 LOCATION amp INSTALLATION 2 1 SAFETY PRECAUTIONS Do not attempt to operate your Shake Machine until the safety precautions and operating instructions in this manual are read completely and are thoroughly understood Take notice of all warning labels on your Sorbeteer The labels have been put there to inform and protect persons operating and servicing your equipment Care must be taken not to damage or destroy labels during installation and servicing The labels have been designed to withstand routine cleaning and handling Damaged or missing labels should be promptly replaced with approved labels from Frosty Factory of America Inc 2 2 INSTALLATION Placing your Shake Machine in a highly visible area will enhance sales l 2 Uncrate your machine Place the machine on a sturdy platform in a level position Machines equipped with air cooled condensers must have adequate ventilation A minimum clearance of 8 inches is recommended on all sides Do not place the machine where it could re circulate its own heated air NOTE Locating the unit in direct sunlight near cooking facilities or an
11. h various combinations of switch positions Normal Operation Machine will freeze your dairy mix to desired consistency Cooling Operation Machine will automatically come on whenever necessary to keep hopper product cooled to 5 C 40 F used primarily for overnight storage of product remaining in the machine WARNING OPERATION IN THE STAND BY MODE WITH THE FILL LIGHT ON IS PROHIBITED The product will spoil due to lack of cooling if operation is attempted Cleaning Operation The drive motor will run in the faucet position to allow a stirring action of the rinse water while Cleaning Off The hand symbol is the recognized international symbol for stop In this position the machine will not run 3 2 THE PRODUCT YOU SERVE The Shake Machine will produce a Smoothie type semi frozen dairy product when the proper recipe is used When measured with a refractometer the proper recipe will measure 12 to 18 brix The Shake Machine is designed exclusively for dairy products that are normally used to produce smoothie type drinks with the consistency of a traditional milk shake Improper recipes will effect the consistency flavor and freeze times Suggestion for optimum production and sales 1 Use the finest ingredients available 2 Test the product before serving it 3 Keep the machine clean ALWAYS 3 3 PRODUCT CONSISTENCY An exclusive torque sensing mechanism developed by Frosty Factory of America allow
12. ly hold a container under the faucet in front of the vending sensor This will activate the compressor cycle in to 2 seconds and bypass the 10 minute waiting period 3 5 FREEZE TIME The freeze time on the model 427A is approximately 20 minutes This figure is based on ideal conditions with a starting mix temperature of approximately 40 degrees The time will increase if the machine in not properly ventilated or is operated in a hot environment Some recipes with high sugar content will naturally take a little longer SECTION 4 MAINTENANCE 4 1 CLEANING The following cleaning procedure should be used for initial start up and on an as needed basis to comply with the minimum cleaning and sanitizing frequencies specified by the Federal state or local regulatory agency having jurisdiction NOTE The rapid growth of bacteria in all dairy products requires utmost care and vigilance by the operator in order to insure that safe and wholesome products are delivered to the customer Please follow these cleaning instructions carefully 1 Turn the machine to the off hand position If applicable drain mix into a sanitized container as per local health code procedures Store in an adequate cooling facility 2 Remove hopper cover remove overrun tube remove float and float clip for cleaning NOTE Do not put hands or foreign matter into mix 3 Pour two gallons of cool 75 F water into the hopper Never use hot water in the ma
13. n clean water and air dry all parts Do not sanitize Shake Machine parts can be left assembled or disassembled until ready for use NOTE Do not let the cleaning solution stand in the cylinder during the shutdown period 10 4 5 TROUBLESHOOTING 1 Machine does not run when turned on A If fill light is on fill hopper with product machine will now run B If vending sensor is flashing hold container in front of sensor machine will Start C If nothing is on plug machine into outlet or re set breaker 2 Beater motor does not start when container is held near the vending sensor A If indicator light is flashing clean sensor with damp washcloth B If indicator light is not flashing check mix level and check that switches are on cone and snowflake positions C If freeze up has occurred turn machine off to let mix thaw then re set overrun tube to larger hole Freeze up occurs when too much air is in the mix 3 _ Mix dripping from faucet or face plate A If O rings are missing or improperly installed clean and re assemble faceplate according to instructions in section 4 of this manual B If drip is coming from faucet be sure the faucet is completely closed 4 Mix dripping from drip tube A Clean and re assemble beater bar according to instructions in section 4 of this manual An improperly installed spring seal probably caused the leak 5 _ Milk shake is too thin A If machine has not cycled off allow machine to
14. of the motion sensor The sensor will activate the compressor within one or two seconds The red fill light located above the switches will illuminate when the hopper is near empty Fill the hopper as soon as possible in order to keep the freezing system operational NOTE WHILE THE FILL LIGHT IS ON THE MACHINE WILL NOT OPERATE However if the fill light illuminates while you are drawing product the machine will continue to run until the current compressor cycle is complete In order to prevent freeze up DO NOT DRAW MORE THAN TWO 2 OUNCE SERVINGS ONCE THE FILL LIGHT COMES ON Hopper refrigeration is provided by a thermostat controlled glycol pump system When both switches are selected to the right cone and snowflake symbols the glycol pump circulates cold liquid from around the freezing cylinder to the hopper to maintain a product temperature between 35 and 40 F When the lower switch is placed in the left thermometer symbol hopper cooling continues as before except that the compressor will only cycle on and off when necessary to maintain these temperatures See monthly service requirement regarding Glycol level in section 4 3 of this manual WARNING OPERATION IN THE STAND BY MODE WITH THE FILL LIGHT ON IS PROHIBITED The product will spoil due to lack of cooling if extended operation is attempted with the lower switch in the left thermometer position while the fill light is on Refer to the list below for functions available wit
15. s for the production of consistent texture and thickness of your product The adjustment screw visible through the access hole in the left side panel is pre set at the factory While it is not likely that you will need to change the consistency adjustment changes can be achieved by turning the screw clockwise thicker shake or counter clockwise thinner shake Turn the screw one full turn then allow enough time to lapse about three minutes for the compressor to complete a cycle before sampling Continue this process until desired result is obtained Once the desired consistency has been further changes to the adjustment screw should not be necessary 3 4 START UP 1 Clean and sanitize the machine in accordance with the procedures set forth in section 4 of this manual 2 Pour desired amount of product into the hopper about 1 from the top of the hopper When the bubbling of air from the feed hole in the hopper stops insert the Optional overrun tube into the feed hole Then pour more product into the hopper until the mix level is about 1 inch from the top of the hopper Replace hopper cover NOTE There are two holes in the overrun tube one at each end Both holes are the same size and have been determined to be ideal for soft shake consistency The overrun tube can be installed either end up and may be used when an increased overrun 1s desired 3 Place both switches in the right position when ready to freeze product 4 Momentari
16. temperature between 35 and 40 F When the lower switch is placed in the left thermometer symbol hopper cooling continues as before except that the compressor will only cycle when necessary to maintain these temperatures See monthly service requirement regarding Glycol level in section 4 3 of the manual a Plastic Plug Glycol tube is filled with Sierra Anti freeze Coolant mixed with water at ratio Of 50 Half water and half glycol t 2 inches Glycol Level Glycol Tube c u The Glycol tube is located on the left side of the machine in the front corner of the frame 20 SPARE PARTS LIST SMOOTH OPERATOR SHAKE MACHINE MODEL NO 427A 7 13 04 DESCRIPTION ITEM NUMBER Compressor 34 H P 115 60 1 AK9455ZXA F8053 Start Capacitor 85S250C30 F0213 Compressor 34 H P 230 60 1 AK9455ZXD F8054 Start Capacitor 85685 F0369 Air Condenser F5557 Beater Bar long C6530 Contactor FO049 Drip Tray FO114 Drip Tray Screws FO905 Drive Belt F0473 Drive Motor Pulley F0471 Face Plate Bushing C6522 Face Plate sm C6521 Fan Motor Bracket F5500 Fan Motor 230 Volt F5560 Faucet Assembly C6513 Faucet Brush F0326 Faucet Plunger C6513P Feed Hole Brush FOO99 Filter Drier F5543 Flywheel F6525 21 DESCRIPTION ITEM NUMBER Hopper Cover F0497 Left Side Panel F6405 Motor Bearing F0474 O Ring Face Plate sm F0357 O Ring Fill Switch F0161
17. y 4 2 REASSEMBLY 1 Using Petro Gel or other sanitary food grade lubricant lightly lubricate the longer end of the beater shaft Slide beater seal onto the shaft with the spring end toward the beater bar Refer to diagram on top of the hopper cover for depiction of correct installation of spring seal NOTE The black carbon ring must be facing the end of the beater bar so it will be in direct contact with the white ceramic seal inside the cylinder when the beater bar is re installed This is a dry seal and must be kept free of lubricants CAUTION Lube the beater bar shaft The beater seal may become damaged if the beater shaft is not lubricated before installation of the beater seal 2 Carefully insert the beater bar with seal in place into hole at the rear of the cylinder and rotate until it fully engages into the drive plate CAUTION Rough handling during beater bar installation can damage the ceramic seal 3 Lubricate the large black rubber faceplate O ring but not the white face plate bushing with Petro Gel then re install and press firmly into the faceplate groove for proper fit Lubricate and re install o rings on faucet Re assemble faucet 4 Re install the faceplate on the machine First place the faceplate bushing onto the beater shaft Then slide face plate onto the four studs Now re attach the faceplate knobs and tighten evenly until the face plate O ring is snug against the cylinder Re install float and
18. y and notify your carrier immediately Frosty Factory of America cannot be responsible for damaged merchandise caused by shipping Inventory the accessories to be sure they include the items you specified on your order Normally the accessories include Beater Bar ____ Drip Tray ____ Drip Trough ____ Faceplate ____ Faceplate Knobs Overrun Tube ____ Petro Gel ____ Sanitizer ___ Warranty Card ____ Wire Brushes DESCRIPTION Your Smooth Operator Shake Machine is manufactured with a high quality stainless steel cabinet which houses a restaurant grade stainless steel cylinder and hopper which are attached to a sturdy hand crafted steel frame The drive motor is mounted within the frame and rotates counter clockwise as viewed from the front of the machine Panels are stainless steel with plastic louvered inserts to allow maximum airflow for cooling A stainless steel beater assembly is installed in the cylinder and is held in place by a clear plastic faceplate which in turn is held onto the face of the machine with four attractive knobs Mix dispensing is provided for via a specially designed drip free automatic closing faucet assembly 1 4 SPECIFICATIONS Freezing Cylinder 7 quart 6 6 liter capacity Mix Hopper 12 quart 11 5 liter capacity Refrigeration Unit Compressor 3 4 H P 6600 BTU Hour Refrigerant R404 Suction Pressure 35 psi Beater Motor One 1 3 hp Motor Specifications subject to chan
19. y high heat area will reduce the performance of your machine CAUTION Extended operations under severe heat condition can damage the cooling system Place the three position switch in the OFF position center Connect the power cord The Shake machine must be connected to a properly grounded receptacle The electrical cord furnished as part of the machine has a three prong grounding type plug The use of an extension cord is not recommended If one must be used refer to the National and local electrical code specifications Do not use an adapter to get around grounding requirements WARNING Do not attempt to alter the electrical plug Serious injury electrocution may result Install the drip tray hopper cover beater bar and faceplate assemblies on the Machine NOTE Refer to cleaning instructions in section 4 of this manual prior to Start up SECTION 3 OPERATION 3 1 MACHINE CONTROLS Operation of the Shake machine is controlled by two selector switches and a vending sensor located on the front of the machine Selection of the right snowflake position with the upper three position switch as well as the lower two position switch will schedule the machine for normal operation The compressor cycle is protected by a time delay circuit which will engage the compressor approximately 10 minutes after normal Operation is initiated To activate the compressor hold an empty cup or container just below the faucet in front
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