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Grindmaster 6321L manual

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Table of contents for the manual

  • Page 1

    Crathco Beverage Freezers Service Manual for Model 6321L TABLE OF CONTENTS Description........................................... 2 - 3 Unpacking............................................ 3 - 4 Assembly & Installation....................... 4 - 6 Sanitizing and Starting Unit ................ 6 - 8 Cleaning.....................................[...]

  • Page 2

    The Model 6321L is a freezer that dispenses frozen carbonated alcoholic beverages (see photo on front cover). The freezer has two major components, the freezer sections (dispense head) and the product feed system (lower cabinet area). The freezer consists of a freezing cylinder with a rotating internal auger (dasher) that is belt driven by an elect[...]

  • Page 3

    The freezer is equipped with an automatic defrost system to allow the frozen product to melt back to a liquid. This eliminates any large ice crystal formation or poor product consistency that may develop. This automatic timer can be pre-programmed to occur at desired times of the day. The defrost cycle takes four hours to complete and should be pro[...]

  • Page 4

    Periodic Inspection Freezer Assembly and Installation 1) Check the CO 2 tank pressure gauge on the cylinder regulator assembly. Replace if tank pressure drops below red line. 2) Make sure the unit contains a sufficient supply of syrup and alcohol. 3) Check to see that there is sufficient air space on both sides of the unit. Proper air circulation i[...]

  • Page 5

    1) The drip tray is mounted on two screws that are located on the lower front of the freezer cabinet. 2) Place the key hole slot of the drip tray support bracket W0471022 on to these screws and tighten the screws. 3) Angle the back of the drip tray surround bracket into the drip tray support bracket W0471022 and lower bracket to lock it into place.[...]

  • Page 6

    NOTE: CO 2 regulators are pre-set at the factory. Check for accuracy. 1) Adjust the CO 2 regulator that drives the bag-in-box syrup pump and alcohol pump to 60 psi. Turning regulator adjustment clockwise raises the pressure. Tighten locknut at this setting. (Figure 7) CAUTION: The use of excessive pressure (above 75 psi) will result in pump seizure[...]

  • Page 7

    Adding Product Connecting Syrup Supply 1) Open new bag-in-box as instructed on box. 2) Connect red QCD syrup connector to new bag-in-box. 3) Repeat for second bag-in-box. NOTE: Make sure that the BIB lines run behind the bottle rack line so the bottle rack can be slid open easily. Crathco Beverage Freezers Page 7 1) Remove bottle cap. 2) Slide a wh[...]

  • Page 8

    6) If the volume is not 3.7 oz. (110 ml), consult the Troubleshooting Guide in this manual. Note: Due to the thick viscosity of the syrup, it may be necessary to purge the syrup line to obtain an accurate flow rate reading. Purge the syrup line by first closing the syrup valve, opening the water valve and then momentarily turning on the test switch[...]

  • Page 9

    NOTE: Before cleaning, all product should be drained from the freezing cylinder, pres - sure vented, and either the valves set closed or product removed from the machine. 1) Disassemble the dispensing valve by first removing the dispensing valve pin (Figure 12) 2) Push up on the dispensing valve plunger and pull out the dispensing handle. The plung[...]

  • Page 10

    NOTE: The following product consistency (thickness) control adjustment procedure requires removal of the right side panel. It is suggested that a qualified service technician make this adjustment because side panel removal exposes hazardous moving parts. Warning: Do not attempt freezer adjustments until electrical power has been disconnected. It ma[...]

  • Page 11

    BRIX Correct BRIX effects product flavor and freezing characteristics. Frozen product with low BRIX may have a weak fla - vor, larger ice crystals, and a tendency to dispense slowly. Product with high BRIX has an overly strong flavor, increased portion cost and results in lower freezer output capacity. Alcohol Content High alcohol content may preve[...]

  • Page 12

    Operating Freezer Unit Operation 1) Check that a "Mix Out" light is not illuminated. This indicates the freezer has an adequate amount of syrup, CO 2, alcohol and water (only one light will be ON at a time). Check machine after each product is filled. 2) Insure that the "ON/OFF" switch in the lower back compartment of the cabine[...]

  • Page 13

    Service and Maintenance Servicing Dispensing Valves, O-Rings, and Freeze Cylinder Drive Shaft/Seal Assemblies NOTE: Dispensing valve "O" Rings should be replaced every 120 days to correspond with quarterly preventative maintenance visits. The best technique for removing an "O" Ring is to first wipe off all of the lubricant using[...]

  • Page 14

    Drive Belt Adjustment CAUTION: Unplug the machine before performing any adjustments. Check the belt tension quarterly. Proper belt tension is ½" deflection measured mid way between the drive and driven pulleys. If the deflection is more than ½" adjust the motor height to achieve proper tension using the following procedure: 1) Unplug th[...]

  • Page 15

    Part Description Monthly Every 3 Months Every 6 Months Annually Quantities to be Replaced Drive shaft seal W0340210 Inspect & replace if necessary Replace 1 Drive shaft W0451067 Inspect & replace if necessary 1 Drive belts W0450209 Inspect & replace if necessary 1 Scraper blades on dasher W1431084 Replace 2 Square cut o-ring on valve bo[...]

  • Page 16

    Problem Probable Cause Remedy Machine won’t run (no lights, not motor) • Machine not plugged into wall receptacle • Building circuit breaker tripped or fuse blown • Switches in wrong position • Plug machine directly into outlet. Do not use extension cord. • Place circuit breaker in the ON position or replace fuse • Turn lower panel Po[...]

  • Page 17

    Addendum 1 - Complete Unit Exploded View ITEM PART # DESCRIPTION 1 W0150590 Stock Assembly 2 00800 Serial Label 4 W0800120 Base Board Assembly 5 W0800121 Shipping Box 6 W0800122 L-Block 7 W0800124 Foam Top Carton Pad 8 W0340210 Coconut Oil Seal 9 W0430089 Scraper Dasher 10 W1431084 Scraper Blade 11 W0890235 Kit, Panel Black 12 W0340055 O-ring, Valv[...]

  • Page 18

    Page 18 Crathco Beverage Freezers Regulators Alcohol Valve/Control Syrup Valve/Control Test Port Water Valve/Control Carbonator Water Pump Addendum 2 - Base Cabinet POWER ON OFF SAMPLE TIMER OFF ON CONTROL SELECT OFF TEST RUN[...]

  • Page 19

    Addendum 3 - Electrical Connections in Lower Cabinet Addendum 4 - Electrical Connections in Lower Cabinet Addendum 5 - Electrical Connections Cabinet to Freezer Crathco Beverage Freezers Page 19 29 28 27 31 35 57 60 58 62 59 63 64 VIOLET / WHT VIOLET / WHT WHT / BLK YELLOW / BLK BLACK / WHT 64 59 63 62 57 62 35 31 60 58 31 35 57 60 58 62 59 63 64[...]

  • Page 20

    Addendum 6 - 6321 Base Cabinet Electrical Schematic ITEM PART NUMBER DESCRIPTION 30 W0570045 BALLAST 61 W0570235 TERMINAL BLOCK 32 90811 TIMER 33 61847 POWER SWITCH 34 61847 TIMER SWITCH 45 W0570924 SWITCH 36 C OMES WITH CARBONATOR FLOAT SWITCH 37 90834 PUMP 38 W0570044 LIGHT SOCKET 39 W0570043 LIGHT BULB 40 90857 SYRUP AND ALCOHOL SOLENOIDS 41 W06[...]

  • Page 21

    Addendum 7 - 6321L-A Ladder Diagram Crathco Beverage Freezers Page 21[...]

  • Page 22

    Addendum 8 - 6321 Freezer Electrical Schematic ITEM LENGTH DESCRIPTION 72 W0570662 RELAY SOCKET 71 W0570661 RELAY 70 W0570682 TIMER 69 W0570242 SPLICE CAPS 67 60110 PIGGYBACK TERMINAL 56 60034 LIGHT, AMBER 55 60033 LIGHT, RED 54 85303 RELAY 53 W0650407 PRESSURE SWITCH 52 W0650121 LOW PRESSURE SWITCH 51 W0650011 SOLENOID VALVE 48 W0570924 SWITCH 47 [...]

  • Page 23

    Addendum 9 - Product Flow Schematic Crathco Beverage Freezers Page 23[...]

  • Page 24

    Addendum 10 - 6321 Base Cabinet Panels Exploded View ITEM PART NO. DESCRIPTION 1 90780 PANEL, BOTTOM ASSY, BASE CART 2 90727 PANEL ASSY, INTERIOR, BASE CART 3 90746 ALCOHOL HOLDER 4 90827 TOP PANEL ASSY 5 90724 RIGHT SIDE PANEL ASSY 6 90829 LEFT PANEL ASSY 7 90830 DOOR ASSY 8 90831 REAR DOOR ASSY 9 90728 PLASTIC COSMETIC COVER 10 86600 TIE, WIRE, N[...]

  • Page 25

    Addendum 11 - 6321 Base Cabinet Exploded Parts View Crathco Beverage Freezers Page 25[...]

  • Page 26

    ITEM PART NO. DESCRIPTION 1 90726 PANEL, INTERIOR-BASE CART 2 90729 SYRUP PUMP 3 90730 FITTING, SHURFLO TO 3/8” JOHN GUEST 4 90875 SWITCH, PRESSURE, BARKSDALE-40 PSI 5 W0620283 ADAPTER, 1/8” FPT X 3/8” STEM 6 90857 VALVE, FLOMATIC 424 DUAL SYRUP PISTONS (P/N 407-CSY-D22) 7 90858 VALVE, FLOMATIC 424 SINGLE SODA PISTON AND PLUG (P/N 407-CF-D22-[...]

  • Page 27

    Addendum 12 - Rack Exploded View ITEM NO. PART NO. DESCRIPTION 1 90751 MNT BRACKET, LEFT, BERG ALCOHOL HOLDER ASSY 2 90752 MNT BRACKET, RIGHT, BERG ALCOHOL HOLDER ASSY 3 90794 3/8” X 3/8” X 3/8” BARB TEE 4 61153 TUBING, BRAIDED .375” ID X .625” OD X 2.5” L 5 60550 CLAMP, 11/16 STEPLESS 6 90802 DRAWER SLIDE MNT. BRACKET, RIGHT 7 90850 6-[...]

  • Page 28

    Addendum 13 - 6321 Cabinet Base Exploded View Page 28 Crathco Beverage Freezers[...]

  • Page 29

    ITEM PART NO. DESCRIPTION 1 90723 PANEL, BOTTOM-BASE CART 2 W0630900 CASTER, RIGID-TWIN BASE CART 3 W0630898 CASTER, SWIVEL-TWIN BASE CART 4 W0611086 NUT, 5/16-18 HEX ZINC 5 W0611255 WASHER, 5/16 LOCK 6 W0650415 SWITCH, SOLD OUT, 8-30 PSI 7 90873 ANCHOR COUPLING PARKER P/N 207ACBH-4 8 90874 MALE ELBOW PARKER P/N 149F-4-4 9 W0620278 ADAPTER, 1/4 NPT[...]

  • Page 30

    Addendum 14 - 6321 Base Cart Top Panel Exploded View ITEM PART NO. DESCRIPTION 1 90722 PANEL, TOP-BASE CART 2 90840 REGULATOR ASSEMBLY 3 W0570043 BULB, FLUORESCENT 4 W0570044 SOCKET, LIGHT-LEVITON 5 90835 ELECTRICAL ASSY 6 90807 WIRING HARNESS - BROWN FOREMAN 7 90810 ELECTRICAL BOX, BASE CART 8 90836 ELECTRICAL BOX COVER, BASE CART 9 82086 8-32 UNF[...]

  • Page 31

    Addendum 15 - 6321 Front Cabinet Door ITEM PART NO. DESCRIPTION 1 90721 DOOR, FRONT-BASE CART 2 90851 DOOR HINGE, STANDARD DUTY 3 W0610923 PEM STUD, 8-32 X 3/8” 4 61339 8-32 UNF S.S. ACORN NUT 5 90760 INSERT, OVAL 6 90870 TAPE, 3/64 X 1/2, DBL CTD NEOPRENE 7 90871 PAWL/CAM LATCH-SOUTHCO P/N 24-20-812-35 Crathco Beverage Freezers Page 31[...]

  • Page 32

    Addendum 16 - Rear Door and Key ITEM NO. PART NO. DESCRIPTION 1 90720 DOOR, REAR-BASE CART 2 W0610921 PEM STUD, 8-32 X 1/4” 3 61339 8-32 UNF S.S. ACORN NUT 4 90851 DOOR HINGE, STANDARD DUTY 5 90771 LOCK, DOOR-REAR Page 32 Crathco Beverage Freezers 1 3 2 4 5[...]

  • Page 33

    ITEM PART # DESCRIPTION 10 W0610682 5/16-18 x 3/4 Hex Hd Cap Screw 20 W0611254 5/16 Flat Washer 30 W0611255 5/16 Split Lock Washer 40 W0611086 5/16-18 Hex Nut Z/P 50 W0201191 Suction Line Pressure 60 W0620103 3/8 Copper Couple 70 W0650119 Thermostatic Expansion Valve 80 W0110013 Valve Studs 90 W0611085 5/16-18 SS Hex Nuts 100 W0201192 Air Baffle Si[...]

  • Page 34

    ITEM Part # Description 1 W0201001 Compressor Assembly 2 W0201000 Condenser Assembly 3 W0320129 Fan Sub-Assembly 4 W0321026 Drive Motor Assy. 5 W0210106 Base Pan Assy. 6 W0611410 Rivet, Magna-Lok 7 W0611247 1/4 Int. Tooth Lk. Wshr. 8 W0611074 1/4-20 Hex Nuts 9 W0611082 5/16-18 Flange Nut 10 W0200412 Compressor Spacer 11 W0200413 Compressor Grommet [...]

  • Page 35

    ITEM PART # DESCRIPTION 1 W0570603 Start Capacitor 2 W0570617 Run Capacitor 3 W0630006 Heyco Bushing 4 W0630811 Clip, Capacitor (small) 5 W0570638 Compressor Relay 6 W0572409 Relay Bracket 7 W0570656 Transformer 4000-01515K999 8 W0570235 Terminal Block 9 W0570660 Heat Sequencer, Products Unlimited 10 W0570600 Relay 11 W0570682 Timer 12 W0572407 Ele[...]

  • Page 36

    ITEM PART # DESCRIPTION 1 W0340011 #115 O-ring (Carburetor) 2 W0471115 Pressure Inlet Fill 3 W0471118 Pressure Inlet Fill Retainer 4 W0650400 Press Switch MSPS - JJ100SS-F 5 60552 Accumulator 6 W0620282 Tee, 3/8 Tube John Guest 7 W0620285 3/8 NPT x 3/8 NPT Stem J/G 8 W0620280 Adapter, 1/2 NPT x 3/8 Tube 9 90763 Elbow, 3/8 Tube x 3/8 Tube 10 90764 E[...]

  • Page 37

    Addendum 21 - Refrigeration Components ITEM Part # Description 1 W0650501 Access Valve 2 W0650112 Filter Drier 3 W0201191 Suction Line 4 W0200123 Compressor 5 W0200256 Condenser 6 W0201009 Hot Gas Line 7 W0650119 Thermostatic Expansion Valve 8 Evaporator Line 9 Suction Line 10 W0620105 1/4” Street Elbow 11 W0620102 1/4” Tee 12 W0201011 Coolant [...]

  • Page 38

    Addendum 22 - Refrigeration Schematic Page 38 Crathco Beverage Freezers[...]

  • Page 39

    Crathco Beverage Freezers Page 39 NOTES[...]

  • Page 40

    Cocktail Machine Indemnity The Purchaser and/or Lessee hereby releases the manufacturer of this machine, Grindmaster Crathco Systems, Inc. (the Company), any and all alcohol and non-alcohol product companies, the Company’s officers, agents, employees, directors, shareholders, affiliates, successors, and assigns, and shall indemnify and hold them [...]