Service Manual 08/2014
Contents
1. WILBUR Curtis Company Inc Service Manual Digital Interlock Grinders Important Safeguards amp Svmbols This appliance is designed for commercial use Anv servicing other than cleaning and maintenance should be performed by an authorized Wilbur Curtis service technician e Do NOT immerse the unit in water or any other liquid e To reduce the risk of fire or electric shock do NOT open top panel No user serviceable parts inside e Keep hands and other items away from hot parts of unit during operation e Never clean with scouring powders or harsh chemicals SYMBOLS A WARNINGS To help avoid personal injury Models Included Important Notes Cautions from the factory ILGD SETUP STEPS CAUTION Please use 1 Install the grinder on a firm level base in a location where it can be connected to a this setup procedure grounded electrical outlet of 120VAC rated at 15 amps minimum before attempting to use 2 Test the unit by running some whole bean coffee through the grinder If any problems this grinder Failure to follow the are encountered refer to the troubleshooting section complete at www wilburcurtis com instructions can result in injury or or call Technical Support at 800 995 0417 the voiding of the warranty 3 Interlock Connection If hooking up the brewer and grinder for the Interlock option locate the jack on back of the brewer marked CLASS 2 WIRING Plug in the Interlock cable from the grinder into2. 2 Improper installation of equipment This equipment must be installed by a professional technician and must comply with all local electrical mechanical and plumbing codes 3 Improper voltage Equipment must be installed at the voltage stated on the serial plate supplied with this equipment 4 Improper water supply This includes but is not limited to excessive or low water pressure and inadequate or fluctuating water flow rate 5 Adjustments and cleaning The resetting of safety thermostats and circuit breakers programming and temperature adjustments are the responsibility of the equipment owner The owner is responsible for proper cleaning and regular maintenance of this equipment 6 Damaged in transit Equipment damaged in transit is the responsibility of the freight company and a claim should be made with the carrier 7 Abuse or neglect including failure to periodically clean or remove lime accumulations Manufacturer is not responsible for variation in equipment operation due to excessive lime or local water conditions The equipment must be maintained according to the manufacturer s recommendations 8 Replacement of items subject to normal use and wear This shall include but is not limited to light bulbs shear disks 0 rings gaskets silicone tube canister assemblies whipper chambers and plates mixing bowls agitation assemblies and whipper propellers 9 Repairs and or Replacements are subject to our decision that the w
3. FOR INTERLOCK WIRES SEE WC 13520 FOR HARNESS ASSV amp WIRE COLOR CODES 2 WIRE COLORS REFERENCED MAY BE CHANGED IN PRODUCTION Large U U Large NOTIFV ENGINEERING FOR CHANGE APPROVAL Medium O Medium 3 DO NOT OPERATE UNIT PCBOARD WITHOUT HEATSINKING THE TRIAC Small GRIND MODE O Small USE HEATSINK ASSEMBLY WC 6813 4 WHEN APPLICABLE USE FLAG TYPE 250 QUICK DISCONNECT TERMINALS CONTROL BOARD isc Br S l 120V 50 60HZ INTLCK ON E Blue CONNECTOR INTERLOCK ASSEMBLY MOTOR MOTOR MOTOR LEFT RIGHT MAIN 7 TE ACB CIRCUITBREAKER 10A 120 250 VAC POWER CORD 120 VAC 15A MAX nn Rev ILGD 10 2 GND 1 2HP CHASIS GROUND WD ILGD 1 e GRINDER DIGITAL PHASE VOLTAGE AMPERAGE INTERLOCK SINGLE 120 8 Cleaning the Coffee Grinder Regular cleaning and preventive maintenance is essential in keeping your coffee grinder looking and working like new A CAUTION Unplug the grinder from the electrical power source oe pi e O 8 Do not use cleansers bleach liquids powders or any other substance containing chlorine These products pro mote corrosion and will pit the stainless steel USE OF THESE PRODUCTS WILL VOID THE WARRANTY Brush coffee grounds from the dispensing spout Wipe off the surrounding area removing coffee grounds that have fallen Mix dish washing liquid in warm water to make a mild cleaning solution Care should be taken to avoid spilling liquid into the grind housing Wipe exterior surfa
4. shear drive Insert a new shear disk into the slot Cover with the shear cap Replace the grind cap and two thumb screws PROGRAMMING THE ILGD GRINDER Vour grinder has been adjusted at the time of manufacture to provide satisfactorv performance in most situations In the event that you would like to vary the settings the grinder can be reprogrammed Both grinders are programmed identically 1 Place a paper filter beneath the grinder spout to catch coffee as it is ground Turn off the unit at the front panel ON OFF button SE ae Press and hold one of the grind buttons Press and release the ON OFF button Continue holding the grind button O A O N In the red window the grind time on the button pressed will appear Continue O ea ee to hold and the time digits will start at 00 and increase Release the button to set the new time The table left can be used as a guide to estimate the amount of ground coffee you dispense with the chosen setting 6 Wait for the motor to completely stop 10 seconds To set and exit press and release any other grind button 7 Repeat the above steps to reset any other grind button 77 e C INTERLOCK GRINDER MODEL ILGD NEN Time settings in this table are only approximate Amounts will vary with grind texture and specific coffee bean Weigh your output then Mega make adjustments as necessary TROUBLE SHOOTING GUIDE SYMPTOM MOTOR DOES NOT RUN POSSIBLEC
5. this jack on the brewer OPERATING INSTRUCTIONS 1 Lift open the top cover of the grinder and fill with fresh whole bean coffee Close the cover 2 Position an empty coffee container onto the brew deck WARNING TO AVOID 3 Place a new paper filter into the brew cone SCALDING Remove A the brew cone carefully Insert the brew cone into the basket holder arms on the i grinder The brew cone contains hot coffee grounds Wait until the 5 On the grinder control panel press the desired grind size brew brewer indicates that the brew is volume button SMALL MEDIUM or LARGE finished before removing 6 Make sure the motor comes to a stop before removing the brew cone 7 For Interlock brewers The brew selection is Locked into the brewer indicated by a flashing LED next to the corresponding brew button ISO 9001 2008 REGISTERED WILBUR CURTIS CO INC 6913 West Acco Street 8 Montebello CA 90640 5403 For the latest information go to www wilburcurtis com Tel 800 421 6150 Fax 323 837 2410 Transfer the filled brew cone to the brewer and press the de sired brew button The brew cycle is complete when the brew light stops flashing ADJUSTING THE GRINDING BURRS 1 g 6 This adjustment may change the amount of ground coffee dispensed CHANGING A BROKEN SHEAR DISK Unplug the power cord oO ON O QO Y N a 11 ROUGH IN DRAWING 9 88 es cm FRESH GROUND 21 03 COFFEE
6. 3 DESCRIPTION COVER HOPPER DUAL GRINDER ASSEMBLY WINDOW ACRYLIC DUAL GRINDER SPACER 5 8 AGITATION WHEEL OPTIONAL WHEEL GRINDER AGITATION CCG OPTIONAL SPACER 9 32 AGITATION WHEEL OPTIONAL DIVIDER DUAL HOPPER SS DIVIDER W HOLE ILG 11 DHG 11 AS SHOWN OPTIONAL SHAFT AGITATION WHEEL OPTIONAL HOPPER ASSEMBLY DUAL GRINDERS AUGER ASSEMBLY DHG ILG ILGD BEARING AUGER BRASS WRAP DUAL HOPPER ILGD FUNNEL DHG ILGD SHIELD HOUSING ILGD ILG SHG DHG MOTOR GEAR 115V DUAL GRINDER BREAKER CIRCUIT 10A 120 250VAC CONTROL BOARD ILGD GUIDE SPOUT W A MEMBRANE CONTROL PANEL ILGD LABEL ADJUSTMENT INFORMATION PARTS LIST PARTS DIAGRAM MOTOR DETAILS ITEM PART N 20 21 22 23 24 25 26 27 28 29 30 31 32 33 WC 9107 6 WC 37283 WC 3503 WC 3518 WC 4813 WC 9141 WC 9135 WC 9155 WC 91024 WC 91015 WC 91026 WC 91050 WC 91021 WC 91051 DESCRIPTION DISK SHEAR COFFEE GRINDER 6 PCS PKG KIT GRINDER CHUTE DHG ILGD SHG LEG 3 8 16 STUD SCREW BUMPER LEG GLIDE 3 8 16 STUD SCREW SCREW SHOULDER 5 16 x 5 8 BASKET HOLDER ASSEMBLV MOTOR SLICING GRINDER ASSEMBLY 120VAC SHG DHG ILGD SPRING BASKET HOLDER SHEAR DRIVE COFFEE GRINDER SCREW amp THRUST PIN ADJUSTING ASSEMBLY CAPACITOR COFFEE GRINDER ASSEMBLY BURR COMPLETE SET SLICING SPRING TENSION COFFEE GRINDER FEEDWORM SLICING GSG NOTE UNLESS OTHERWISE SPECIFIED MEMBRAN a CONTROL PAN EL 1 ALL WIRES SHALL BE UL1015 PVC EXCEPT
7. 54 9 cm 29 50 U U 74 9 cm Empty the hopper of coffee beans Run the grinder for a short time to clear grinding burrs of coffee Open the housing cover 10 to locate the adjustment screw 8 and lock nut 7 With a wrench loosen the lock nut Turn the adjustment screw clockwise for a finer grind Turn the screw coun ter clockwise for a more coarse grind With the motor running pour coffee beans into the hopper and turn the screw to make the adjustment If you hear the grinding burrs starting to touch immediately back off 1 8th turn When the desired grind texture is satisfactory hold the adjustment screw in place with the screwdriver and tighten the locknut Grind some coffee beans to confirm the adjustment Replace front cover on machine Empty the hopper of beans Take out the thumb screws 9 to remove the housing cover 10 Pull out the grinding burr feed worm assembly 3 The mating alf of the grinding burr set remains within the housing Separate the shear cap 6 and shear drive 4 The snapped shear disk 5 should fall from the shear drive Inspect and brush out the housing 1 Especially look for anything that could have broken the shear disk Insert the feed worm and grinding burr onto the motor shaft Push the shear drive through the burr feed worm assembly and align it with the tongue on the motor shaft Rotate the burr feed worm assembly to align the slot with narrow slot on
8. AUSE SOLUTION OOS This appliance is 1 Circuit breaker may be tripped Grinder has a circuit breaker behind machine Push in reset PSSI sd for com button You should hear a click mercial use Any servicing other than 2 Electrical cord may not be Push plug into outlet cleaning and maintenance making contact should be performed by an 3 Electrical outlet may not With voltmeter determine if there is power at outlet authorized Wilbur Curtis ser have power vice center SYMPTOM MOTOR RUNS BUT NO COFFEE COMES OUT POSSIBLE CAUSE SOLUTION 4 Shear disk may have broken Change the shear disk see page 2 for directions 5 Funnel to grind housing may Cut off power to machine Empty the hopper of beans be jammed Clean where the hopper funnels into the grind housing SYMPTOM GROUND COFFEE TEXTURE TOO COARSE OR POOR QUALITY POSSIBLE CAUSE SOLUTION 6 Grinding burrs may be worn Readjust the grind see page 2 7 Housing cover may not be on Pull off the cover and clean the mounting surfaces straight or not seating correctly Reassemble the housing PARTS DIAGRAM HOPPER amp TOP COVER CENTER COVER amp GEAR MOTOR PARTS DIAGRAM GRIND MOTOR 8 BASE PARTS LIST ITEM PART N 1 O O1 W DM WC 9118 WC 9131 WC 9143 WC 9160 WC 9144 WC 9132 WC 9188 WC 9142 WC 9116 WC 9158 WC 9183 WC 91013 WC 9130 WC 9134 WC 9151 WC 1504 WC 689 WC 9126 WC 39212 WC 3796 22 2
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10. ces with a cloth moistened with cleaning solution Clean off coffee grounds drips or spills Wipe exterior surfaces with a water soaked cloth to rinse off all traces of the cleaning solution Dry exterior surfaces with a clean soft cloth Polish exterior surfaces with stainless steel polish Return power to the grinder A tablet style grinder cleaner may be used to clean the inside of the grind housing the burrs and chute The product will eliminate taste and odor left in the grinder from grinding flavored coffee The regular use of grind cleaner reduces the need to disassemble the grinder to clean it 1 m PF 2 19 Empty coffee beans from the hopper Plug power cord into the electrical outlet Place a container under the grind spout and run the grinder to empty the housing of all coffee Pour in or two capfuls of grinder cleaner granules or tablets into the hopper use manufacturer s recommendations Press a grind button running the grinder until the cleaner empties from the spout Refill the grinder with whole bean coffee and run two grind cycles to purge the grind housing of any residual cleaner Product Warrantv Information The Wilbur Curtis Companv certifies that its products are free from defects in material and workmanship under normal use The following limited warranties and conditions apply 3 Years Parts and Labor from Original Date of Purchase on digital control boards 2 Years Parts from Original Date of Purchase on a
11. ll other electrical components fittings and tubing 1 Year Labor from Original Date of Purchase on all electrical components fittings and tubing Additionally the Wilbur Curtis Company warrants its Grinding Burrs for Forty 40 months from date of purchase or 40 000 pounds of coffee whichever comes first Stainless Steel components are warranted for two 2 years from date of purchase against leaking or pitting and replace ment parts are warranted for ninety 90 days from date of purchase or for the remainder of the limited warranty period of the equipment in which the component is installed All in warranty service calls must have prior authorization For Authorization call the Technical Support Department at 1 800 995 0417 Effective date of this policy is April 1 2003 Additional conditions may apply Go to www wilburcurtis com to view the full product warranty information CONDITIONS amp EXCEPTIONS The warranty covers original equipment at time of purchase only The Wilbur Curtis Company Inc assumes no responsibility for substitute replace ment parts installed on Curtis equipment that have not been purchased from the Wilbur Curtis Company Inc The Wilbur Curtis Company will not accept any responsibility if the following conditions are not met The warranty does not cover and is void under the following circumstances 1 Improper operation of equipment The equipment must be used for its designed and intended purpose and function
12. orkmanship or parts were faulty and the defects showed up under normal use All labor shall be performed during regular working hours Overtime charges are the responsibility of the owner Charges incurred by delays waiting time or operating restrictions that hinder the service technician s ability to perform service is the responsibility of the owner of the equipment This includes institutional and correctional facilities The Wilbur Curtis Company will allow up to 100 miles round trip per in warranty service call RETURN MERCHANDISE AUTHORIZATION All claims under this warranty must be submitted to the Wilbur Curtis Company Technical Support Department prior to performing any repair work or return of this equipment to the factory All returned equipment must be repackaged properly in the original carton No units will be accepted if they are damaged in transit due to improper packaging NO UNITS OR PARTS WILL BE ACCEPTED WITHOUT A RETURN MERCHANDISE AUTHORIZATION RMA RMA NUMBER MUST BE MARKED ON THE CARTON OR SHIPPING LABEL All in warranty service calls must be performed by an authorized service agent Call the Wilbur Curtis Technical Sup port Department to find an agent near you ECN 16065 8 7 14012 1 rev D 2 0 WILBUR CURTIS CO INC wes 6913 Acco St Montebello CA 90640 5403 USA Phone 800 421 6150 Fax 323 837 2410 Technical Support Phone 800 995 0417 M F 5 30A 4 00P PST E Mail techsupport wilburcurtis com Web Site www wil
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