Curtis ILGD User manual
Wilbur Curtis Company • montEbEllo, Ca usa
MODELS INCLUDED
uILGD
uTL-ILGD
DIGITAL INTERLOCK
COFFEE GRINDERS
ISO 9001 REGISTERED
ILGD
Fi n d o u t m o r e
o n t h e w e b
w i l b u r c u r t i s .c o m
FOR THE LATEST SPEC INFORMATION GO TO WWW.WILBURCURTIS.COM
Service Manual – Digital Interlock Grinders
2
IMPORTANT
SAFEGUARDS/
CONVENTIONS
IMPORTANT SAFEGUARDS/CONVENTIONS
This appliance is designed for commercial use. Any servicing other than cleaning and maintenance should
be performed by an authorized Wilbur Curtis service center.
service personnel.
CONVENTIONS
WARNINGS – TO HELP AVOID PERSONAL INJURY
IMPORTANT NOTES/CAUTIONS – FROM THE FACTORY
TABLE
OF
CONTENTS
Safeguards/Conventions ...................................................2
.......................................................3
Quick Start and Set-up......................................................3
Operating Instructions .......................................................3
Troubleshooting Guide ......................................................4
..........................................................4
Adjusting Grinds ................................................................5
Changing Broken Shear Disk............................................5
Lubricaiton.........................................................................5
Current...............................................................................5
Programming.....................................................................6
............................................................6
Electrical Schematics ........................................................7
Parts Diagrams..............................................................
Parts List ..........................................................................10
Warranty ...........................................................................11
CONTENTS
AND
All products manufactured by the Wilbur Curtis Company are thoroughly inspected at the factory, and are
-
tion during shipping. Make sure the shipping carton is not damaged or punctured. Unpack the carton care-
fully, inspecting the contents for any damage that may have occurred in transit.
3
Quantity
TL-ILGDILGD Part No.Item
ILGD
TL-ILGD
F-3117
Dual Hopper Digital InterLock Coffee Grinder
Dual Hopper Digital ThermoLogic Coffee Grinder
Service Manual
1
1
1
1
SETUP STEPS
1. Read this manual before attempting to operate the coffee grinder.
2. Unpack the carton contents carefully. Inspect the container at time of delivery, for visual or concealed
damage. The carrier must be notified immediately in case of punctured or damaged cartons.
3. This grinder uses a standard electrical outlet of 120VAC, rated at 15 amps.
4. Install the grinder on a level surface.
refer to the troubleshooting section of this manual.
GRINDER REQUIREMENTS
See attached schematic for your model
OPERATING
INSTRUCTIONS
Close the top door.
4
REGULAR AND PREVENTIVE MAINTENANCE IS ESSENTIAL IN
– CLEANING
grounds. Refer to section on adjusting the grinds to open the housing. While cleaning the grinder, do not
MAINTENANCE
TROUBLE-
SHOOTING
GUIDE
SYMPTOM: MOTOR DOES NOT RUN
SYMPTOM: MOTOR RUNS BUT NO COFFEE COMES OUT
POSSIBLE CAUSE SOLUTION
POSSIBLE CAUSE SOLUTION
1. Circuit breaker may be tripped. Grinder has a circuit breaker behind machine. Push in reset
button. You should hear a “click”.
2. Electrical cord may not be Push plug into outlet.
making contact.
SYMPTOM: GROUND COFFEE TEXTURE IS TOO COARSE
OR OF POOR QUALITY
POSSIBLE CAUSE SOLUTION
7. housing cover may not be on Pull off the cover and clean the mounting surfaces.
straight or not seating correctly. Reassemble the housing.
CAUTION: Do
not use any
substance con-
taining chlorine.
These products
will promote cor-
rosion.
This appliance is designed for commercial use. Any servicing other than cleaning and
maintenance should be performed by an authorized Wilbur Curtis service center.
5
1. Empty hopper of coffee beans. Run grinder to clear grinding burrs of coffee.
hear the grinding burrs starting to touch, immediately, back
coarser grind.
tighten the locknut.
5. Run some coffee beans through the machine to check the
grind adjustment.
6. Replace front cover on machine.
*This adjustment may change the amount of ground coffee
dispensed.
2. Empty the hopper of beans.
in the housing.
the shear drive.
the shear disk to break.
All mechanisms, including the motor bearings, have been oiled for life. No additional lubrication is neces-
sary.
occur to the motor if you run it on an overloaded circuit.
CURRENT
LUBRICATION
CHANGING
ADJUSTING
THE GRINDS*
1
2
8
7
5
4
3
9
10
6
6
Your grinder has been adjusted at the time of manufacture to provide satisfactory performance in most situ-
are programmed identically.
2. Turn off the unit at the front panel, ON/OFF button.
3. Press and hold one of the grind buttons.
4. Press and release the ON/OFF button. Continue holding the grind button.
7. Repeat the above steps to reset any other grind button.
PROGRAMMING
THE GRINDER
Time settings
in this table are
only approximate.
Amounts will vary
with grind texture and specific
coffee bean. Weigh your out-
put, then make adjustments as
necessary.
ROUGH-IN
DRAWINGS
ILGD / TL-ILGD
2.00"
(5.1 cm)
14.50"
(37.0 cm)
.75"
(7.0 cm)
13.50"
(34.2 cm)
29.38"
(74.5 cm)
10.00"
(25.4 cm)
TOP ViEW
1.3
1.5
1.8
2.0
2.5
3.0
3.7
4
5
6
7
8
10
12
15
20
25
30
35
40
45
4.5
6.2
7.6
8.8
10.0
11.8
13.5
Seconds OuncesSeconds Ounces
7
ELECTRICAL SCHEMATICS
ILGD / TL-ILGD
8
PARTS
DIAGRAMS
6
7
3
2
1
11
910
4
5
12
8
13
14
18
17
19
15
16
TOP COVER
CENTER
GEARMOTOR
9
PARTS
DIAGRAMS
23
25
20
27
21 28
26
BASE
24
22
10
PARTS LIST
COVER, HOPPER DUAL GRINDER ASSY
WINDOW, ACRYLIC DUAL GRINDER
DIVIDER, W/HOLE ILG-11/DHG-11
DUAL HOPPER GRINDER ASSY
AUGER ASSY DHG/ILG/ILGD
BEARING, AUGER BR
WRAP, DUAL HOPPER ILGD
FUNNEL, DHG/ILGD
SHEILD, HOUSING, ILGD/ILG/SHG/DHG
MOTOR, GEAR 115V DUAL GRINDER
CONTROL BOARD, ILGD, DHGILD
GUIDE, SPOUT W/A SHG DHG ILGD
MEMBRANE CONTROL PANEL, ILGD
MEMBRANE CONTROL PANEL, TL-ILGD
LABEL, ADJUSTMENT INFO SHG, DHG
LEG, 3/8"-16 STUD SCREW BUMPER
LEG, GLIDE 3/8"-16 STUD SCREW
MOTOR, CRUSHING GRINDER ASSY 120VAC SHG/DHG/ILGD
NUT, HEX ADAPTER GRINDER
WC-1504
WC-37283
WC-3503
WC-3502
WC-3518
WC-4813
1
2
* 3
* 4
* 5
6
6A
* 7
8
10
11
12
13
14
15
16
17
17A
18
18A
20
21
22
22A
23
24
25
26
27
28
ITEM
Nº
PART
Nº DESCRIPTION
11
Product Warranty
Information The Wilbur Curtis Company 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 all 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 pit-
ting and replacement 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 war-
ranty information.
CONDITIONS & EXCEPTIONS
The warranty covers original equipment at time of purchase only. The Wilbur Curtis Company, Inc., assumes
no responsibility for substitute replacement 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 fol-
lowing 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.
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 inad-
equate 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 workmanship or parts were faulty and
the defects showed up under normal use. All labor shall be performed during regular working hours. Over-
time 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 per-
formed by an authorized service agent. Call the Wilbur Curtis Technical Support Department to find an
agent near you.
12
WILBUR CURTIS COMPANY, INC.
6913 Acco Street • Montebello, CA 90640-5403 USA
Phone: 800-995-0417 (M-F 5:30A - 4:00P PST) • Fax: 323-837-2410
www.wilburcurtis.com
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