user manual
Contents
1. WARNING Do not attempt to readjust the freezer until electrical a power has been disconnected 2 Remove right side panel facing the freezer 3 Use the adjustment screw situated the front of the drive motor LA mounting bracket to change product thickness Turn the thumbscrew 3 full turns for red spring 1 turn for yellow spring to make a noticeable change in consistency See Figure K Figure J NOTE Clockwise is for thicker product consistency and counter clockwise is for thinner product consistency See Figure L 4 Reinstall the side panel reconnect power 5 Turn freezer to ON and allow it to freeze to desired consistency 6 Check product Repeat process until desired consistency is achieved gt Adjustment Screw NOTE When making changes to a colder thicker setting recheck consistency again after the compressor has cycled off When adjusting counter clockwise to a thinner consistency a large portion of product should be drawn from the dispense valve to reduce the product thickness below the new set point adjustment Then allow the freezer to refreeze product to the new setting Increase Thickness turn clockwise Decrease Thickness turn counterclockwise Figure L Model 3312 Page 7 CARE AND CLEANING Cleaning and sanitizing frequency must be followed according to state and local health de2. Eo ai zu I I x r O0 5 Ow oo o Li 5 Ka E Fa a ns u x CH elio ele oil E o E o 5 9 m E gt 17 M bi O T ff 3 E T gt gt SIR Dr z zo ir H 0 5 D 24 zi GREEN YELLOW n poni V lt 311HM a IH D HHF e 210 SET m a d si Move SO et H LAG om POWER i dl E A D i i alle Item No Part No Description Item No Part No Description H a 70 W0570871 Transformer 76 W0570940 Toggle Switch 2 3 5 d 71 W0570667 Run Capacitor TI W0570007 Indicator Light BE E E 72 W0570876 Compressor Relay 78 W0570054 Light Socket o n 7 73 W0570666 Start Capacitor 79 W0570053 Ballast 74 W0570651 Time Delay Relay 80 W0570055 Bulb 75 W0570235 Terminal Block 81 W0650427 Ranco Controller Model 3312 Page 23 Model 3312 Compressor Wiring 115V Air Cooled Model TO COMPRESSOR YELLOW 220V Air Cooled Model TO COMPRESSOR YELLOW Page 24 Model 3312 Model 3312 Ladder Diagram 115V Air Cooled Model SWITCH BALLAST FREEZE TOGGLE SWITCH TOGGLE SWITCH
3. 14 Place a small amount of sanitary lubricant onto another piece of clean paper toweling Use a clean piece of paper toweling to pick up the large end of the carburetor from the bottom of the hopper taking care not to touch the sanitized carburetor with your bare hand Figure EE Apply the lubricant on the other piece of paper toweling to the two o rings on Figure AA Installing Plunger and Spring bottom of the carburetor assembly Figure EE 15 Place the lubricated carburetor assembly on a clean piece of paper toweling Repeat with other carburetor assembly 16 Prepare fresh product according to manufacturer s instructions 17 Hold open the dispensing valve and pour product approx 10 oz into the hopper to allow this product to chase out any remaining sanitizer Watch the product flowing out of the dispensing valve and close the valve when the new mix has purged the sanitizer remaining in the cylinder 18 Use a clean piece of paper toweling to insert the sanitized carburetor assemblies into the inlet hole in each hopper 19 Fill mix storage hopper with fresh product Cover hopper with hopper lid 20 Turn one front panel switch to ON Allow approximately 20 minutes for the freezer to reach proper consistency then turn the other front panel switch ON to freeze down other side Figure BB Insert Valve Handle Figure CC Insert Retaining Pin Figure DD Sanitize Hopper Figure EE Lubricat
4. tL teag e 5 J4O0j39JnqJ8 syeus ety200ws eu 0 ZLE90M 1 Buruds eu BUTY Tees Aueuorieis z 9 5 J018JnqJ85 q8L 2 ZLOOVEOM ZZ00vE0M Set e eers JeBuntd SU 3484 seqqny Tees Aueuofieis S3JBd 8J0J8q SUOTIONIISUT ju udrnb peeu 1511 euTuogBu JO UO TTTJB UOT28TTIU9A OQ NOILVOIALLN3GI SLYVd Model 3312 Model 3312 Exploded View 115V Air Cooled Model 7 si KEE ITEM NO PART NO DESCRIPTION ITEM NO PART NO DESCRIPTION 1 W0201302 Evaporator Assy 3312 26 W0430024 Rear Stator Bearing 2 W0210075 Base Pan Assy 3312 27 W0430026 Dasher Standard 3 W0211210 Frame Assembly 28 W0430028 Stator Weldment Pickled 4 W0200806 Compressor Assembly 3312 115V 29 W0430032 Stator Flange Bearing 5 W0200807 Condenser Assembly 3312 30 W0480450 Valve Body 6 W0321029 Fan Assembly 115V 31 W0611728 FasPin Valve 7 W0321035 Motor Assembly 1 4 HP 32 W0630711 Valve Knob 8 W0110013 Stud Valve New Style 33 W0480445 Valve Handle 9 W0611085 Nut 5 16 18 S S Hex Nut 34 W0480438 Plunger Std Prod 3000 Series 10 W0570018 Light Indicator Lt Red 12V 35 W04
5. Check electrical connections outlet should be properly grounded with amperage capacity equal to or over the amperage specified on the serial tag Check fan operation condenser fan and clean fan blades if necessary Review proper periodic care and cleaning instructions disassembly cleaning sanitizing lubrication and re assembly with store personnel Train store personnel to follow proper procedures stress importance of store level maintenance ie lubrication filter cleaning etc a store personnel have appropriate supplies lubricant cleaning brushes and sanitizer to care for machine Page 12 Model 3312 How to Clean Condenser Air Cooled Unit Onl NOTE Loss of refrigeration efficiency will result if condenser is allowed to become dirty Excessive compressor run time or loss of capacity are a good indication that the condenser needs to be cleaned 1 Disconnect electrical power 2 Remove side panels 3 Place a damp towel over the side of the condenser opposite the fan motor 4 Use compressed air or CO2 blow out dirt from the fan side of the condenser An alternate cleaning method is to use a condenser brush and vacuum cleaner N caution Procedure can create a loud noise How to Clean Exposed Filter Air Cooled Unit Onl 1 Slide exposed filter out of the rails by pulling forward on the filter It is recommended to remove the filter by using the palm of your hand and applying even pressure to the face
6. Page 8 Model 3312 Disassembly and Cleaning cont sa 4 Remove stationary half of the shaft seal assembly from the back end of the p freezer cylinder This is accomplished by reaching into the cylinder and pulling seal Ce out with your index finger See Figure R 5 Slide the rotary half of the seal off the dasher shaft Inspect both seal components carefully for nicks or cracks Replace seal if defective NOTE To prevent leakage the surfaces of the rotary seal and the stationary seal must be EE smooth with no chips or cracks ia NOTE All units are shipped with a standard ceramic seal Part W0340201 unless Figure R Installing the otherwise specified Certain products contain coconut oil which requires a different sealing Stationary half of seal material For these products use the coconut oil seal Part W0340210 The stationary half of the standard seal has a white polished surface The stationary half of the coconut oil seal has a glossy black surface 6 Remove carb tube from bottom of hopper and remove o rings See Figure S 7 Copy disassembly procedures on other side 8 Remove drip tray and empty contents 9 Take all components to the cleaning area 10 Prepare 1 gallon solution of hot tap water and a good grade of dishwashing detergent 11 Thoroughly wash all components in a warm mild detergent solution including the inside of the freezing cylinder and the mix storage hopper DO NOT WASH COMPONENTS IN A DISHWASHE
7. GRINDMASTER CORPORATION Model 3312 Beverage Freezer Manual m R r 2 o z x MM Gal st e w Grindmaster Corporation 4003 Collins Lane Louisville KY 40245 USA 502 425 4776 800 695 4500 FAX 502 425 4664 www grindmaster com Frozen Beverage Dispensers Formerly Wilch Grindmaster Corporation 1996 0505 Form WH 313 04 PRINTED IN USA Part W0600170 Table of Contents Safety PrecautioNs ege 2 Freezer Applications amp Specifications 2 3 JE d e A FP 4 6 Operation and Adjustments essa 6 7 amp Cleaning ME 8 11 MAIT lao geet 11 13 Toubes NOONG WEE 14 Key Parts Identification uuu nia 15 Assembly Diagrams ee 16 21 METERING DIGOrams E 22 2 Refrigeration Diagrams eebe 29 30 Information contained within this manual is subject to change without notice Contact Grindmaster Corporation s Customer Technical Service Department at 1 800 695 4500 with any questions or for clarification Model 3312 Page 1 OPERATOR S SAFETY PRECAUTIONS IMPORTANT Failure to comply with the following safety precautions may result in severe personal injury or damage to the machine 1 Read and understand the operating instructions in this manual thoroughly Only allow properly trained persons to operate this machine Note all warning labels on the freezer If any warning labels are missing or dam
8. 50Hz 4 W0200807 Condenser Assy 3312 5 W0321040 Fan Assy 115V 6 W0321023 Motor Assy 1 4 HP W0611410 Rivet Magna Lok 8 W0611247 1 4 Int Tooth Lockwasher 9 W0611082 Nut 5 16 28 Flange Lg 10 W0611074 Nut Hex 1 4 20 Z P 11 W0200412 Spacer Compressor 12 W0200413 Compressor Mount Grommet Item Part No Description 13 V0200800 Suction Line 14 W0200801 Comp Tee Hot Gas Line 15 W0200802 Evap Tee Hot Gas Line 16 W0200803 Low Side Process Tube 17 W0200804 High Side Process Tube 18 WO200805 Comp Access Valve Line 19 W0620106 Tee 1 2 x 3 8 x 3 8 Copper 20 W0620108 Tee 3 8 x 3 8 x 1 4 21 W0620112 Elbow 3 8 OD x 3 8 0D x 3 8 0D 22 W0620114 Tee 3 8 ODS Copper 23 W0650501 Valve Access 1 4 Extended End Model 3312 Page 19 Model 3312 Electrical Box Assembly 115V Air Cooled Model Item Part No Description 15 83151 Washer Lock 8 Ext Tooth 16 W0630006 Heyco Snap Bushing 17 86600 Tie Wire Nylon T18R 18 W0631619 Electrical Box Lens 3312 19 W0570043 Bulb Fluorescent 20 W0610132 8 32 x 1 4 Screw 21 W057 1002 Wire Harness 22 101126 Heyco Shorty Plug 23 W0572192 Mix Low Sub Assy 24 W0572306 R H Light Bracket 3312 25 W0572305 L H Light Bracket 3312 26 W0570912 Toggle Switch 27 101127 Seal Electrical Box Twin Item Part No Description 1 W0572297 Electrical Box 33
9. Kit Part W0890220 4 4 Legs 2 Make sure freezer is to be placed in a location that is within 6 of a properly grounded circuit and allows adequate space at each side and above for proper air circulation Air Cooled Units Only Minimum clearance is 6 15 cm on both sides and 0 at back and open above the freezer See Figure C NOTE Failure to allow adequate ventilation will void the warranty and reduce freezer performance NOTE Locating the unit in high ambient temperatures over 100 F 37 8 C will significantly reduce the performance of your machine 3 Remove the side panels and supporting all four sides lift machine up by the frame and place in appropriate area on top of rubber pad REMOVING CABLE TIE CAUTION If equipped with spinner do not lift unit up by spinner shaft It Will cause serious damage to spinner d CAUTION Beverage freezers are heavy pieces of equipment It is recommended that moving or lifting the unit be done by two people to avoid injury 4 The side panels should still be removed Cut the cable tie on each motor used to secure motor during shipment Make sure motors rock freely Figure D 5 220V 50Hz Units These units come with a plugless cord that requires the appropriate plug configuration be connected This must be determined by the power outlets at the specified location See wiring diagram at back of manual for assistance It is recommended that a service technician pe
10. check for improper operation and mix problems first as they are the most common cause of most equipment problems CAUTION Always disconnect power before attempting any maintenance procedures Only a qualified service technician should perform electrical and mechanical adjustments or repairs PROBLEM PROBABLE CAUSE REMEDY Machine will not run or freeze down Machine not plugged in Plug machine in Circuit breaker tripped or fuse blown Reset breaker or replace fuse Machine in CLEAN or OFF position Switch to ON position Obstructed condenser air flow Clean condenser Allow 6 15 cm Air cooled units on both sides Compressor not operating Check for cause and correct Dasher not installed Install dasher auger Low refrigerant charge Check for leaks repair and recharge Product too soft Consistency setting too loose Readjust consistency control Consistency setting at maximum Change to yellow consistency spring red spring Product BRIX level too high Lower liquid product BRIX level Too much alcohol in mix Lower alcohol content Product too stiff Consistency adjuster set too firm Readjust consistency setting or change to red spring Product BRIX level too low Increase product BRIX level Product will not dispense Power switch OFF e Turn power switch ON Inadequate mix in hopper Red MIX Refill hopper LOW light on Consistency adjuster set too firm
11. half is black be sure the glossy side is facing out 5 Reassemble the dasher assembly as shown in Figure W Insert the larger front and smaller rear white plastic bearings into dasher then slip in the stator rod 6 Carefully and slowly guide the dasher into the freezing cylinder taking care not to damage the seal assembly Turn dasher shaft until it engages the square Figure V Installing the drive coupling Slide the dasher back into the cylinder so that the two smooth stationary half seal sealing surfaces meet See Figure X x 7 Inspect and lightly lubricate the large square o ring and refit it into the back of the valve block assembly Install the valve assembly on the front studs and tighten the knobs until they are finger tight Do not use tools to tighten knobs NOTE Failure to lightly lubricate the large o ring can result in product leakage 8 Copy reassembly steps on other side Model 3312 Page 9 Figure W Dasher Assembly Figure X Seal Assembly Sanitizing and Refilling 1 Reassemble carburetors by installing the two o rings at the bottom of the carb tubes 2 Place the carburetor assemblies in the bottom of each hopper 3 Install the o rings on each valve plunger and lay plunger assembly on a clean piece of paper towel 4 Prepare a minimum of 2 5 gallons 9 5 liters of sanitizing solution Kay 5 Sanitizer Cleaner or equivalent following the manufacturer s instructions NOTE Add 1 ounce of
12. to perform maintenance on the freezer until electrical power has been disconnected Suggested Daily Maintenance 1 Clean lubricate and sanitize the freezer following guidelines 2 Clean the exterior of the freezer using a soft wet cloth Wipe down spinner if attached 3 Empty drip tray Parts Replacement Schedule Quantities to be Replaced Part Every 3 Every 6 Description Months Months Annually G ____ per t WO340201 or W0340210 n SCC Inspect amp replace if a een amp replace if H i Scraper blades on A if equipped Replace W1431084 Square cut o ring on LP amp replace if body face plate necessary W0340055 Front stator flange BEN Replace W0430032 H ni stator bearing TW __ _ Product Dispense valve o rings Replace Plunger 2 W0340022 p Standard Product Plunger 3 Carb tube o rings Inspect amp clean Condenser if necessary 1 Air cooled units only Refer to the Crathco Parts Price List when ordering the above parts Model 3312 Page 11 Preventative Maintenance Procedure Every 6 to 12 Months A preventative maintenance visit should be performed every 6 to 12 months depending on the usage and environ ment where the unit is placed Ex seasonal machines once before season year round machines twice per year The following procedures should be performed during a preventative maintenance visit This does not take the place
13. 0200132 Compressor AKA171AT032A4 115V 3PH 60 2 29 W0430032 Stator Flange Bearing 5 W0200807 Condenser Assembly 3312 30 W0480450 Valve Body 6 W0321040 Fan Assembly 115V 31 W0611728 FasPin Valve 7 W0321023 Motor Assembly 1 4 HP 32 W0630711 Valve Knob 8 W0110013 Stud Valve New Style 33 W0480445 Valve Handle 9 W0611085 Nut 5 16 18 S S Hex Nut 34 W0480438 Plunger Std Prod 3000 Series 10 W0570018 Light Indicator Lt Red 12V 35 W0480451 Thick Product Plunger 3000 Series 11 W0450053 Pulley 10 W 1 Bore 36 W0340022 Plunger O Rings 12 W0450209 V Belt 3L460 x 3 8 FHP 37 W0631230 Valve Spring 13 W0380025 Bearing 1 Bore 38 W0471129 Drip Pan Bracket Twin 14 W0451067 Driveshaft Slush 39 W0471130 Insert Drip Pan 3312 15 W0620239 Elbow 3 8 Barb X 40 W0631627 Pan Drip Blk 3312 5312 Sm 16 W0572302 Elec Box Assy 3312 220 50 41 W0520080 Rear Panel 3312 17 W0570056 Ballast 230V 50Hz 42 W0520082 R H Side Panel 3312 18 W0572307 Light Reflector Twin 43 W0471075 Carb Tube Slush Cocktail 19 W0572383 Elec Box Cover 44 W0340011 O Ring 115 Buna N Carb Tube 20 W0631620 Front Display Lens 3312 45 W0520093 Hopper Cover Twin 21 W0631621 Front Display Lens Clear 3312 46 W0340007 108 Float O Ring 22 W0211112 Drain Tube Fitting 47 W0570941 Mix Low Indicator Float 23 W0340058 Barrel Gasket 48 W0520081 L H Side Panel 3312 24 W0340055 Valve Square Cut O Ring 25 W0340201 Shaft Seal Set Model 3312 Page 17 M
14. 0232 e USA www grindmaster com e email info grindmaster com ee Part W0600170 Grindmaster Corporation 2004 PRINTED IN USA
15. 12 2 W0570044 Socket Light Leviton 3 W0570235 Terminal Block 4 Circuit 4 W0630811 Clip Capacitor Small 5 W0570603 Start Capacitor 6 W0570617 Capacitor Run 7 W0570638 Relay Compressor 8 W0570651 Heat Sequencer 9 W0572032 Transformer Sub Assy 10 83248 6 32 x 1 4 Screw 11 W0610131 Screw 8x3 8 PH PN T B ZNC GN 12 W0610015 6 32 x 1 4 Screw 13 86827 6 32 Hex Nut 14 0076 8 32 x 3 8 Hex Head Ground Screw Page 20 Model 3312 Model 3312 Electrical Box Assembly 220V Air Cooled Model Item Part No Description 1 W0572297 Electrical Box 3312 2 W0570054 Socket Light Leviton 3 W0570235 Terminal Block 4 Circuit 4 W0630812 Clip Capacitor Large 5 W0630811 Clip Capacitor Small 6 W0570666 Start Capacitor 7 W0570667 Capacitor Run 8 W0570876 Relay Compressor 9 W0570651 Heat Sequencer 10 W0570871 Transformer Sub Assy Ti 83248 6 32 x 1 4 Screw 12 W0610131 Screw 8x3 8 PH PN T B ZNC GN 13 W0610015 6 32 x 1 4 Screw 14 86827 6 32 Hex Nut Item Part No Description 15 0076 8 32 x 3 8 Hex Head Ground Screw 16 83151 Washer Lock 8 Ext Tooth 17 W0630006 Heyco Snap Bushing 18 86600 Tie Wire Nylon T18R 19 W0631619 Electrical Box Lens 3312 20 W0570055 Bulb Fluorescent 21 W0610132 6 32 x 1 4 Screw 22 W0572527 Wire Harness 23 101126 Heyco Shorty Plug 24 W0572192 Mix Low Sub Assy 25
16. 80451 Thick Product Plunger 3000 Series 11 W0450053 Pulley 10 W 1 Bore 36 W0340022 Plunger O Rings 12 W0450209 V Belt 3L460 x 3 8 FHP 37 W0631230 Valve Spring 13 W0380025 Bearing 1 Bore 38 W0471129 Drip Pan Bracket Twin 14 W0451067 Driveshaft Slush 39 W0471130 Insert Drip Pan 3312 15 W0620239 Elbow 3 8 Barb X 40 W0631627 Pan Drip Blk 3312 5312 Sm 16 W0572301 Elec Box Assy 3312 41 W0520080 Rear Panel 3312 17 W0570045 Ballast 42 W0520081 L H Side Panel 3312 18 W0572307 Light Reflector Twin 43 W0520082 R H Side Panel 3312 19 W0572383 Elec Box Cover 44 W0471075 Carb Tube Slush Cocktail 20 W0631620 Front Display Lens 3312 45 W0340011 O Ring 115 Buna N Carb Tube 21 W0631621 Front Display Lens Clear 3312 46 W0520093 Hopper Cover Twin 22 W0211112 Drain Tube Fitting 47 W0340007 108 Float O Ring 29 W0340058 Barrel Gasket 48 W0570941 Mix Low Indicator Float 24 W0340055 Valve Square Cut O Ring 25 W0340201 Shaft Seal Set Page 16 Model 3312 Model 3312 Exploded View 220V Air Cooled Model e ITEM NO PART NO DESCRIPTION ITEM NO PART NO DESCRIPTION 1 W0201302 Evaporator Assy 3312 26 W0430024 Rear Stator Bearing 2 W0210075 Base Pan Assy 3312 27 W0430026 Dasher Standard 3 W0211210 Frame Assembly 28 W0430028 Stator Weldment Pickled 4 W
17. BALLAST Model 3312 115 V L1 N G SPINNER MOTOR 9 FLORECENT LAMP DRIVE MOTOR FAN MOT OR MIX LOW LAMP FLOAT SWITCH MERCURY SWITCH DELAY TIMER T1 24 D MX LOW LAMP m i MERCURY SWITCH DELAY TIMER COMPRESSOR CONTACT SEE DETAIL FLORECENT LAMP Page 25 Model 3312 Ladder Diagram 220V Air Cooled Model 230V Pia nle us ua e s SWITCH SPINNER MOTOR BALLAST FLORECENT LAMP DRIVE MOTOR FAN MX LOW LAMP FLOAT SWITCH DELAY TIMER MERCURY SWITCH FREEZE TOGGLE SWITCH MX LOW LAMP FLOAT SWITCH TOGGLE SWITCH MERCURY SWITCH DELAY TIMER COMPRESSOR CONTACT SEE DETAIL BALLAST FLORECENT LAMP Page 26 Model 3312 Model 3312 AC Units Spinner Hook Up 115V Model C i 1 1 C E L SPINNER WIRES Model 3312 Spinner Hook Up 220V Model SPINNER WIRES Model 3312 Page 27 Model 3312 Refrigeration 115V Air Cooled Model UT ade I ter e oi ia 7 im H m LY DESCRIPTION 1 wo650416 Vove Needle 1 4 Fem Sweat 4 Low Pressure Controller 5 WO200808 Compressor Assembly 3312 115V WO200807 Condenser Assembly 3312 8 Accumulator Line Accumulator Line 9 Leftireezing Cy Line LeftFreezing Hot Gas Line Hot Gas
18. Kay 5 to 2 5 gallons 9 5 liters of 120 F 50 C water to achieve a concentration of 100 parts per million 5 Dipa medium sized brush into the sanitizing solution and sanitize the inside bore Figure Y Sanitize Valve Body of the dispensing valve Figure Y 6 Place a small amount of lubricant onto a piece of clean paper toweling Use a clean piece of paper toweling to pick up the small end of the valve plunger assembly Apply a thin film of lubricant from the other piece of paper toweling Figure 2 7 Slide the valve plunger spring over the small end of the valve plunger and using another clean piece of paper toweling pick up the valve plunger at the outlet end and insert plunger and spring into the valve body Figure AA 8 Push on the valve plunger and insert the stainless steel handle Figure 9 Holding the handle down slightly so that the hole in the handle and valve block are aligned insert the dispensing valve handle retaining pin Figure CC 10 Repeat on other side 11 Pour sanitizing solution into the mix storage hoppers and allow the solution to fill freezing cylinder Use a large brush to sanitize all hopper surfaces Figure DD 12 Turn panel switch on each side to CLEAN and allow freezer to run for 5 minutes 13 Open dispensing valves and drain solution Allow the dasher to push remaining sanitizer out of the freezing cylinders Once the sanitizing solution is drained turn panel switches to OFF
19. Line Hot Gas Line 2 Page 28 Model 3312 Model 3312 Refrigeration 220V Air Cooled Model T CT P ITEM PART NO DESCRIPTION 4 WO0650427Ref Low Pressure Controller 3312 220 Volt 50 Hz Compressor Base Assembl WO200807 Condenser Assembly 3312 Hopper Coolant Lines Hopper Coolant Lines S Lefffreezmg Cyl line ______ Cly line _____ 1O Right Freezing Cyl Line Right Freezing Cyl Line 11 Hot Gas Line Hot Gas Line 1 12 Hot Gas Line 2 Hot Gas Line 2 Model 3312 Page 29 Refrigeration Schematic AC Units 115V amp 220V Models Model 3312 yg 1104 INOS Zum 2da at IL SATA A e A lo a ona 105 a Pi a f aanl Auv dv AMV i 1 HOSSHHdlo2 D zc NO LONS TIDY aan AV Y LO UJAuvAA 3YYV8 yOLVaOd HdddOH HOLVIDdy AI YIddOH MOLVYZOdV AI 17134448 Model 3312 Page 30 Model 3312 Page 31 Page 32 Model 3312 Model 3312 Page 33 GRINDMASTER CORPORATION Grindmaster Coffee Grinders and Brewers e Espressimo Espresso Machines Crathco Hot Beverage Dispensers Crathco Cold and Frozen Beverage Dispensers e American Metal Ware Coffee and Tea Systems Tel 502 425 4776 e Fax 502 425 4664 e 1 800 695 4500 P O Box 35020 e Louisville KY 4
20. R 12 Use a medium sized brush to clean the bottom of the valve body and the inside of the plunger bore with detergent solution taking care to remove only remaining lubricant Figure T 13 The exterior of the freezer should be cleaned as needed with a cloth towel AN CAUTION Coarse rags abrasive cleaners and excessive force can damage and or scratch the surfaces of the freezer Reassembly NOTE Allow all parts to dry completely before reassembly 1 Reassemble drip tray and re install on front of unit 2 Wet the inner rubber lip of the rotary half of the seal and the back end of the dasher shaft with water Slide rotary half of assembly onto the dasher shaft RUBBER FIRST with the smooth sealing surface facing the back of the dasher See Figure U Be sure the rotary half is fully seated against the shoulder of the shaft 3 Insert the stationary half of the seal into the ribbed rubber boot with the polished surface facing out forward Figure U Re assemble rotary 4 Lightly lubricate the ribbed rubber boot of the stationary ceramic seal taking care half of seal as shown not to get any lubricant on the polished surface and insert it straight back into the recess at the back of the freezing cylinder RUBBER FIRST See Figure V NOTE The stationary half of the seal must be completely dry before reassembling If the circular half of the seal is white make sure that the grooved side is toward the rubber If the circular
21. Readjust consistency setting Carburetor inlet hole clogged e Unclog carburetor inlet hole Drive belt broken or off pulley Repair or replace Drive shaft worn Inspect square drive shaft pocket for excessive wear replace Drive motor failure Replace motor Leakage from drain tube front of freezer Worn or defective shaft seal Replace seal and then lubricate at above drip tray each cleaning Seal installed incorrectly Remove and install seal Excessive Dispensing Valve Leaks Worn or defective o ring s Replace and lubricate Clicking sound from inside machine Low voltage Use dedicated circuit with proper rating Extension cord is used Connect directly to power source or use power cord of proper size Thumping sound from inside machine e Worn belt Replace belt Scraping sound during freeze down Frozen product scraping off of Sound should go away when product cylinder walls is frozen to proper consistency No product in machine Fill with product Premature seal wear Incorrect installation of dasher Advise careful installation e Improper drive shaft clearance Adjust to proper Incorrect shaft alignment Align shaft Merchandiser light flickers when freezer Low voltage Connect freezer to dedicated circuit cycles with proper rating If you still need help call our Service Department at 800 695 4500 USA amp Canada only or 502 425 4776 Monday through Friday 8am 6pm EST or an
22. W0572306 R H Light Bracket 3312 26 W0572305 L H Light Bracket 3312 27 W0570940 Toggle Switch 28 101127 Seal Electrical Box Twin Model 3312 Page 21 Model 3312 Wiring Diagram 115V Air Cooled Model YELLOW m a E L O os O x EA pr OF E 23 8 2 D L TE r gt Ex K o 523 ip Loe L m a gt ril a Yo 410 4 x E oc el ol eo 9 ale l e 3 d o d xu 5 gt gt JE du SPINNER WIRES GREEN MACHINE GROUND e WHITE FAN WIRES BLA RIGHT MOTOR Dese POWER BLACK C G Ore D Sie YELLO YELLOW BLACK BLACK rd dy A A LHM me elo e N CH Item No Part No Description Item No Part No Description 2 d 80 W0570043 Bulb 74 W0570651 Time Delay Relay gd S 79 W0570045 Ballast 73 W0570603 Start Capacitor 5 ug 78 W0570044 Light Socket 72 W0570638 Compressor Relay TT W0570007 Indicator Light 71 W0570617 Run Capacitor 76 W0570912 Switch 70 W0572032 Transformer 75 W0570235 Terminal Block Page 22 Model 3312 Model 3312 Wiring Diagram 220V Air Cooled Model x tr Z os ro TONES NM 2 e E 23 88 2 5 E TE Tr gt H m i 2 oS L iL y ui z o LO
23. aged replace them immediately Do not wear loose fitting garments or jewelry which could cause a serious accident Stay alert at all times during operation Keep operating area clean Do not attempt any repairs unless the main power supply to the freezer has been disconnected Contact Grindmaster Technical Service for service assistance Do not put objects or fingers in the dispense plunger Do not operate freezer if any excessive noise or vibration occurs Contact your authorized service agent Be certain machine is installed with adequate space for proper air circulation See installation section Failure to provide sufficient ventilation will reduce freezer performance and void equipment warranty CAUTION RISK OF ELECTRIC SHOCK DIS O W N cO CONNECT POWER BEFORE SER VICING UNIT HAZARDOUS MOVING PARTS DO NOT OPERATE UNIT WITH PANELS REMOVED Located on the right left and rear panels part W0600218 FREEZER APPLICATION AND SPECIFICATIONS Model 3312 The freezer consists of two freezing cylinders with rotating internal augers dashers that are belt driven by electric motors The augers scrape frozen product off of the inside of the refrigerated cylinders Torque sensing mechanisms control compressor operation to maintain desired product consistency The freezer utilizes an air cooled refrigeration system to freeze the product Self closing dispensing valves are attached to the front o
24. ate or stratify Separation of product on the mix storage hopper can result in frozen product quality inconsis tency Simply keeping the product in the mix storage hopper stirred on a regular basis will eliminate this problem Page 2 Model 3312 Product Tips cont Some cappuccino or latt mixes contain dairy products which can spoil if not refrigerated If the freezer is to be turned off at night these products must be removed from the freezer Contact your local health department regarding its regulations for proper mix handling and storage Carburetor Assembly Your new freezer uses a metering device known as a carburetor to feed the proper ratio of mix and air into the freez ing cylinder and to prevent frozen product from rinsing out of the freezing cylinder The carburetor or carb tube is a tube with a hole or series of holes bored through the side It is located in the hop per and fits in the hole that leads to the freezing cylinder Air flows into the freezing cylinder through the top of the tube and mix flows in through a smaller hole in the side E 25 of the carb tube The size of the mix inlet hole can be 2 balanced with the viscosity thickness of the liquid mix C Lo and product draw rate in such a way that the proper amount of mix is fed into the freezer cylinder to blend with air at just the right ratio Mix viscosity varies by mix type mix temperature and mix age Different serving rates also demand dif
25. authorized service center in your area Please have the model and serial number ready so that accurate information may be given Prior authorization must be obtained from Grindmaster s Technical Services Department for all warranty claims Page 14 Model 3312 Y SsBUTJ O pue sIBITUGNT ueui asuty JeBuntd sButu o ppy I 1 Bunid jonpoad YOL GEL Page 15 ysnig 81 3J9SUT V u y ASJTJ 9TQUOSSY P 11Z0 90M Sqouy 01 BN epis euius YJOOWS QO 2 jo 4 a epis ybnoy OSPOSPOM Apog 6 Y ssooveom Buty peno SIBIA 9284 8 O 8Z200 v0M pou J0281S 4 P di ZEOOSHOM 9ZLEZbOM 5 BurJesg 3004 21188 4 ma J031eunqJe9 exeug 9 eruiooug Teuorido 941 9 01240M YZ00 vOM Gutueeg Jeeu ITISBTd S amp PIBPUBIS BZ Jeusep epe q Jodelos esf 6800 70M 1euseq pelg 25 eperg Race LO ozoocrom v JO UTTJ UTUL gt cate aii SL 9 Z L pnlou LOZOPEOM Bursn 511 e se seuoo eas piepue S pue 0LZOveoM 1295 IIO MUOI0I exeus eTu1oous reuorid 40e4nqJ8 exeus eTuioous T 1300 9221 190M NS P LL PON
26. ctive coating The drip tray is mounted on two screws that are located on the lower front of the freezer cabinet 13 Place the key hole slot of the drip tray support bracket on to these screws and tighten the screws 14 Angle the back of the drip tray surround bracket into the drip tray support bracket and lower bracket to lock it into place 15 Place drip tray onto drip tray surround bracket 16 Place the louvered drip tray insert into drip tray Model 3312 Page 5 Accessory Installation The Model 3312 has several optional accessories that can be added to the unit in the field to meet your applications needs These acces sories come with installation instructions Spinner Spinners are typically used in applications that add flavoring to a frozen neutral base product after it is dispensed Allows operator to serve a wider variety of frozen drinks from one machine i e hazelnut added to cappuccino See Figure E Concealed Air Filter Prevents dust from clogging the condenser Ideal for applications near beaches Helps maintain maximum air flow and optimum freezer performance See Figure F NSF approved Part W0890200 stainless steel W0890208 black ud Spinner mounting bracket Exposed Air Filter Similar to concealed air filter Not NSF approved Part W0890206 See Figure Figure E Valve Lock Security Bracket Part W0471135 Ideal self service locations to prevent unauthorized use Lock must be purchased sepa
27. e Carb Tube Page 10 Model 3312 Clean In Place Procedure Daily Cleanin This equipment has been approved for a Clean In Place procedure that does not require complete disassembly on a daily basis The unit still requires regular complete disassembly for cleaning and sanitizing To perform the C I P procedure follow the instruction below 1 Empty any product in the machine and turn to OFF 2 Disassemble the dispensing valve assembly following the instructions in Disassembly and Cleaning NOTE Leave the valve block in place Only disassemble the plunger handle spring o rings and pin Remove carburetor assembly from hopper and remove o rings Take all components to the cleaning area Carefully inspect the o rings for cracks chips or cuts and replace if necessary Prepare 1 gallon solution of hot tap water and a good grade of dishwashing detergent Thoroughly wash all parts including handle pin valve plunger spring carburetor assembly and all o rings in detergent solution 8 Use a medium sized brush to clean the bottom of the valve body and the inside of the plunger bore with detergent solution taking care to remove any remaining lubricant 9 Reassemble following the instructions under Sanitizing and Refilling NOTE Run the unit with sanitizer on CLEAN for 20 minutes before draining and refilling 10 Repeat on other side NO 01 MAINTENANCE WARNING Disconnect power for maintenance Do not attempt
28. f the freezing cylinder The unit has an adjustable consistency control and an out of product indicator for each side When properly operated and cared for the Model 3312 will provide many years of service Proper care includes regular cleaning and maintenance To minimize the amount of maintenance necessary follow the operating procedures outlined in this manual Product Tips The Model 3312 was designed to dispense a wide variety of frozen beverages including frozen fruit juice frozen lemonade slush and frozen cocktails These products can be served in consistencies ranging from thin to fairly thick Two types of dispensing valve plungers and product consistency springs are available depending on the thickness of the product being served These parts are interchangeable depending upon your needs One plunger part W0480438 has one horizontal outlet slot and is used to serve thin to medium products such as frozen lemonade and slush The other plunger part W0480451 has two horizontal outlet slots and is used to serve thicker product such as neutral base frozen cocktails A red spring part W0631239 is used on the drive motor to adjust product consistency to serve thin to medium products The yellow spring part W0631238 is used for thicker product The spring is locat ed next to the drive motor behind the right hand side panel Over an extended period of time some products such as frozen cocktails that contain alcohol have a tendency to separ
29. ferent feed rates For many prod ucts the proper mix to air ratio is generally accepted to be two parts mix to one part air This proportion yields a finished product that is both tasty and prof itable At this ratio one gallon of liquid mix will yield a volume of one and one half gallons of frozen product This additional volume is the overrun in the product Crathco offers three versions of carb tubes see Figure A Depending on the product being served and overrun requirements there is a standard tube for most slush or cocktail products a low overrun carb tube that allows all air trapped in the freezing cylinder to escape and a smoothie shake carb tube This carb tube has an outer sleeve that can be rotated to line up with different hole sizes to provide various levels of overrun Most applications only require the standard carb tube s w C Thick product carb tube Standard carb tube Low overrun W0471136 W0471076 carb tube W0472060 amp Figure A Mix Considerations General Freezing characteristics are affected by the amount of sweeteners and solids in the mix The amount of sweeteners and solids is called BRIX BRIX can be measured with an instrument called a refractometer A BRIX reading of between 11 and 14 will provide optimum freezer operation Mixes with this BRIX level will freeze down to a smooth uniform consistency Mixes with too high a BRIX level will take longer to freeze down and w
30. ill yield a soft wet frozen product Mixes with too low a BRIX level will have larger ice crystals and will have a tendency to dispense slowly Alcohol content also affects product freezing characteristics High alcohol content may prevent the freezer from serving product at proper thickness Note Always take BRIX measurement using mix that has been thoroughly blended before it is frozen Always allow frozen mix to thaw thoroughly before taking a reading For maximum output capacity always pre chill mix before adding it to the freezer Pre chilled mix gives the freezer a head start on the freezing process and will speed both initial freeze down and recovery time It is normal for output capacity to decrease when warm mix is added or when the freezer is operated in a warm area Freezer Specifications Standard 3312 CE 3312 Dimensions 26 3 4 H x 18 1 2 W x 29 D 26 3 4 H x 18 1 2 W x 29 D H x W x D 68 cm x 47 cm x 74 cm 68 cm x 47 cm x 74 cm includes header box includes header box Electrical 115V 60Hz 1 PH m 220 240V 50 Hz 1 PH Dedicated 20 Amp circuit Dedicated 15 Amp circuit Circuit NEMA 5 20R Plugless cord user must attach plug Drive Motor 1 2 hp Capacitor Start 1 4 hp Capacitor Start Compressor 3 4 hp 3 4 hp Cooling Air cooled Air cooled Actual Weight 245 lbs 111 kg 245 Ibs 111 kg Mix Hopper Capacity 3 gallons 11 4 liters 3 gallons 11 4 liters Freezing Cy
31. linder Capacity 2 1 1 2 gallons 5 7 liters 2 1 1 2 gallons 5 7 liters Refrigerant See Serial Number Plate See Serial Number Plate Refrigerant Charge See Serial Number Plate See Serial Number Plate a Approx 275 350 psi Approx 275 350 psi Low Side 35 40 psi 35 40 psi Model 3312 Page 3 INSTALLATION Shipment Transit 1 The freezer has been operated and tested at the factory Upon arrival the complete freezer must be thoroughly checked for any damage which may have occurred in transit Note A Tip N Tell warning device is placed on each shipping carton at the factory If the indicator is red the carton has been tipped in transit See Figure B 2 THE CARRIER IS RESPONSIBLE FOR ALL DAMAGE IN TRANSIT WHETHER VISIBLE OR CONCEALED DO NOT PAY THE FREIGHT BILL until the freezer has been checked for damage Have the carrier note any visible damage on the freight bill If concealed damage and or shortages are found later advise the carrier within 10 days and request inspection The customer must place any claim for damage and or shortage with the carrier Grindmaster cannot make any claims against the carrier Installing Your Unit 1 Place the self sealing rubber pad shipped with the freezer on a level counter that is stable and strong enough to safely support the freezer s weight 245 lbs 111 kg or if equipped with legs instead of pad install legs by screwing them into the four leg holes on the bottom of the unit Leg
32. ndition of all panels and lids replace if necessary Check dasher scraper blades for wear if equipped replace once per year minimum Check dasher for signs of wear replace if necessary Verify alignment when replacing Check valve body gasket for wear replace once per year minimum Check valve body knobs used to hold valve body in place replace if necessary Check condition of shaft seals and stator bearings replace once per year minimum Inspect drip cup at back end of freezing cylinder for signs of seal leakage Replace o rings on hopper float where necessary dispense valves and carb tubes lubricate Lubricate parts where appropriate dispense valve o rings carb tube o rings rubber boot of stationary shaft seal Re assemble unit and sanitize hopper and freezing cylinder by running CLEAN cycle Clean and sanitize spinner if equipped Check operation of merchandiser and mode lights replace light bulbs if necessary Clean reusable filter if equipped Check condition of filter and replace if necessary Clean condenser Inspect the drive shaft and motor shaft bearings for excessive wear drive shaft hole rounding out replace if necessary Verify alignment when replacing Check V belt tension should be 1 2 5 8 and verify all set screws are tightened adjust if out of range Replace belt once per year minimum Verify compressor operation and freezer controller operation
33. odel 3312 Base Assembly 115V Air Cooled Model Item Part No Description 1 W0210075 Base Pan Assembly 3312 2 W0211210 Frame Assembly 3 W0200806 Compressor Assembly 4 W0200807 Condenser Assembly 5 W0321029 Fan Assembly 115V 6 W0321029 Motor Assembly 1 4HP T W0611410 Rivet Magna Lok 8 W0611410 1 4 Int Tooth Lk Washer H W0611082 Nut 5 16 18 Flange Lg 10 W0611074 Nut Hex 1 4 20 Z P 11 W0200412 Compressor Spacer 12 W0200413 Compressor Grommet 3312 BASE ASSY 115 VOLT 60 HERTZ Drive Motor Assembly See figure on left Item Part No Description 1 W0210169 Motor Cradle W0320019 Motor Drive Dual Cycle 1 2 HP W0170014 Consistency Control W0321025 Motor Stop Bracket Assy W0321027 Pin Sleeve W0380009 Bearing 1 Bore Flange W0450016 Pulley OK7 x 1 2 Browning W0610559 1 4 20 x 1 Socket Hd Cap Screw W0611249 Washer Split Lock Z P W0630421 Cable Clamp W0671022 Insulation Motor Brkt Sound W0321013 Nut Motor Adjustment Page 18 Model 3312 O L O QO e N Model 3312 Base Assembly 220V Air Cooled Model Item Part No Description 1 W0210075 Base Pan Assy 3312 2 W0211210 Frame Assy 3 W0200132 Compressor 240 220V
34. of daily care and cleaning procedures as described by local health codes and the manual PM kit W0890157 contains the standard replacement parts needed for preventative maintenance including o rings standard seal kit stator bearings and drive belt One kit is required for each barrel receiving maintenance Units with a coconut oil product seal should order all parts separately Units with scraper blade dasher will require the scraper blades be ordered separately Verify ventilation is adequate Air cooled units 6 minimum on both sides open at top and as far as possible from dust sources Water cooled units 0 on both sides 3 6 at rear of unit and open at top Verify adequate water flow and drain connections on water cooled versions Check product temperature and consistency for proper setting refer to product manufacturer s recommendation adjust if necessary Where equipped be sure to check the temperature in both the hopper and cylinder Ensure product is being mixed properly and is within specification check brix most products should be around 13 refer to product manufacturer s recommendations for exact recommended brix Check for any leaks Empty product from the unit Disassemble unit completely as if for cleaning Clean and sanitize all disassembled parts following the cleaning instructions in the manual Clean and sanitize hopper freezing cylinder and splash zones on the machine Check co
35. of the filter Clean filter with liquid soap and water Soak filter for 15 minutes Rinse filter with heavy stream of water opposite the direction of air flow Allow filter to dry Slide the filter into the rails until the filter contacts the stop on the top rail 01 W N How to Clean Concealed Filter Air Cooled Unit Onl 1 For concealed filters lift lid and pull up on filter tab to remove filter 2 Clean filter with liquid soap and water 3 Soak filter for 15 minutes 4 Rinse filter with heavy stream of water opposite the direction of air flow Allow filter to dry 5 Slide filter into top of filter cover with removal clip up and the air flow arrows facing the existing panel How to Adjust Belt N CAUTION Unplug the machine before performing any adjustments This procedure must be done by a qualified technician Check the belt tension The proper belt deflection is 1 2 over all If the deflection is more than 1 2 the motor will need to be lowered If the deflection is less than 1 2 the motor will need to be raised Follow this procedure to adjust the motor to achieve proper belt tension See Figure FF ey P BELT TENSION 1 Unplug the machine and remove both side and rear panels S eg 2 Locate the motor flange bearings These are the side mounted bearings that hold the motor to the cradle The motor is double shafted and the shaft extends through a bearing on each end The bearing is held to the m
36. otor cradle by two allen bolts on each bearing 3 Loosen the allen bolts on each bearing Do not loosen the setscrews that hold Figure FF the bearing collar to the motor shaft 4 Lower the motor or raise the motor as needed The motor must be kept level from front to back Do not lower or raise only one end of the motor This will result in excessive belt wear and belt noise 5 Tighten all four allen bolts down Align the motor pulley with the top pulley if needed 6 The motor pulley should be in alignment with the large driven top pulley Use a straight edge along the top pulley 7 If the pulleys are not in alignment loosen the setscrew on the motor pulley and move either in or out as needed 8 Tighten the setscrew back down on the motor shaft use of non permanent loc tite is recommended Please be sure the setscrew is tightened down on the flat surface of the motor shaft 9 Return the unit back to service How to Change Back Lit Sign Merchandiser Bulb 1 Remove the two screws located on the top of either side of the sign 2 Lower the metal enclosure that frames the merchandiser insert 3 Pull merchandiser enclosure down and out 4 Replace bulb inside 5 Reassemble For ease of assembly put merchandiser in light box before placing metal enclosure back on Model 3312 Page 13 GENERAL TROUBLESHOOTING Freezer problems typically originate from three sources improper operation mix problems or mechanical malfunction Always
37. partment regulations NOTE Each time the freezer is fully disassembled all foodzone freezer components must be thoroughly washed and sanitized using procedures recommended by the local health department In lieu of local health department recommendations use a three compartment sink one compartment to wash parts in detergent one compartment to rinse and one to sanitize Drain and Rinse 1 If the freezer is empty proceed to Disassembly and Cleaning If there is product in the freezer turn either the right or left front panel switch to CLEAN Most users schedule cleaning when product in the hopper is low to minimize product loss 2 On freezers using the optional Remote Fill Control and Proportioning Pump turn OFF the water valve on the Proportioning Pump using the valve next to the inlet pressure regulator and turn the switch on the Remote Fill Control to OFF 3 Open the front dispensing valve and drain all product from the freezer Close the dispensing valve and turn freezer to OFF NOTE Use approximately 2 gallons 10 liters of cool water to rinse product out of freezer 4 Remove the carburetor tube and pour water into the storage hopper Allow the water to fill the freezing cylinder 5 Turn the panel switch to CLEAN for 5 minutes 6 Open the dispensing valve and drain the water from the freezer 7 Turn the freezer OFF Disassembly and Cleaning Note For cleaning and sanitizing before ini
38. rately See Figure H Remote Fill Control Automatically refill the mix storage hopper Provide additional labor savings by pre mixing product automatically and monitoring system to maintain the mix hopper level Private Label Header A private label or different drink header can be installed by removing two screws from the electrical box cover Place the header transparency between the clear and opaque plates plastic lens Put these in place under the lip of the machine top Slip the electrical box cover back on to the machine and reinsert the screws See Figure 1 Grindmaster offers a variety of drink headers including frozen beverage frozen lemonade cappuccino FILTER margarita pina colada frozen cocktail frozen daiquiri and smoothie SLIDE THE FILTER IN BEHIND Figure E THE FILTER PANEL amp IN FRONT OF THE EXISTING SIDE OPERATION AND ADJUSTMENTS PANEL TO CHANGE REMOVE CLEAN AND OR REPLACE How to Operate 1 2 I 00 Y VI Mix Low Function 1 NOTE Do not run the unit under mix low conditions for long periods of time This memsewrcoveronaremove can affect machine performance or damage componentry e THEN REINSTALL ALL REMOVED Turn power switch to ON position for each barrel Allow product to freeze in barrel Compressor will turn off when product in To dispense product pull down valve handle and release when done If product consistency is not as desired adjust per the instr
39. rforms this operation Page 4 Model 3312 Installing Your Unit cont 6 Review hopper contents to make sure all parts are available Part Description W0600170 Manual W0600073 Rubber Pad Sheet W0600121 Merchandiser Installation Sheet W0600012 MSDS Sanitizer Sheet W0600159 Warranty Registration Card W0890182 Drip Tray Kit W0520093 Hopper Cover W0480445 Valve Handle W0631230 Valve Spring 7 Carb Tube l Dispense Valve Plunger W0470076 Lubricant W0631903 Sanitizer Packets W0600058 Laminated Cleaning Instructions W0600327 Seal Installation Instructions Optional items specified when the unit is ordered Fill out Warranty Registration Card with the requested information and mail to Grindmaster Corporation Replace side panels Assemble the dispense valve following the instructions on page 8 The valve plunger spring and retaining pin come in the small parts bag 10 Be sure ON OFF CLEAN switches toggle switch located underneath the electrical box are in the OFF position 11 Connect the power cord directly to a properly grounded DEDICATED 120V 60Hz 20 Amp circuit or 220 240V 50Hz 15 Amp circuit for CE models Do not use an extension cord CH N Do not alter or deform the plug in any way Altering or deforming the plug may damage unit and will void warranty 12 Remove the drip tray kit from the bubble wrap Separate the parts and remove the prote
40. tial start up remove carb tubes dispense plungers handles and springs from parts bag first 1 Disassemble the dispensing valve assembly Figure M Pull out valve handle retaining pin while supporting the valve plunger from the bottom Figure N Push up on the valve plunger and remove the stainless handle Figure O Slide the valve plunger and spring downward to remove Figure P 2 Remove knobs and carefully remove the front dispensing valve assembly leaving the dasher assembly in the cylinder Remove the o rings from the plunger assembly and back of the dispensing valve body See Figure Q le A Lag SA Figure M Disassemble Figure N Remove Pin Figure O Remove Handle Figure P Remove Dispensing Valve Plunger and Spring NOTE The best way to remove an o ring is to first wipe off all of the lubricant using a clean paper towel Pinch the o ring upward with a dry paper towel between your index finger and thumb When a loop is formed in the o ring roll it out of the groove with your other thumb Always remove the o ring farthest from the end of the plunger first Carefully inspect the o rings and replace if necessary See Figure Q 3 Remove the dasher assembly from inside the freezing cylinder taking care to avoid damaging the rear seal assembly at the back of the freezing cylinder Disassemble the dasher assembly by removing the stator rod and front and rear stator rod bearings Figure Q Ring Removal
41. uctions on page 7 Refill mix storage hopper when mix out light is ON Clean the unit regularly following local health codes Perform maintenance when necessary to increase the life of the unit See Sanitize unit following the cleaning instructions starting on page 8 Fill the mix storage hoppers following the instructions on page 10 Allow barrels to fill with product to proper level then insert carb tube from parts bag in hole toward rear of hopper See Figure J both barrels reaches pre set consistency chart in this manual for regular maintenance schedule This model utilizes a simple float mechanism to sense when mix is low in hopper See Figure J When the mix level in the hopper is low the mix low light located in the front of the machine next to the valve block will illuminate The left most light corresponds to the loft barrel REMOVE THE 2 SCREWS THAT HOLD VER REM PLASTIC LENS amp THE WHITE PLASTIC PARTS INSERT TRANSPARENCY TWEEN WHITE PLASTIC LENS GOES IN FIRST AR PLASTIC LENS IN LAST Figure Page 6 Model 3312 Consistency Adjustment From time to time it may become necessary to readjust the consistency setting thickness to compensate for variation between different mixes or to switch from one type of product to another This adjustment is made as follows Mix Low Float O ring Carburetor Mix Low Float 1 Disconnect electrical power
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