Grindmaster 810 User's Manual
Contents
1. 18 all models 54 Casing grocery 83332 70553 83332 83387 83731 83362 83374K 83362 70553 55 Power cord standard 115vac 86222 all models 56 Strain relief standard cord 86071 all models 57 __ Screw 10 x 1 2 82030 all models 58 Base 83302 83321 83384 82053 83321 83384 83321 83321 59 Tidy tray cover 83322 83322 60 Tidy tray drawer 83323 E 83323 61 Lower front 83305 83299 83726 82054K 82014K 62 Switch micro oo 85321 88711 64 Hole plug Se 83737 65 Screw 8 x 3 8 TT 86930 66 Washer 10 86826 all models 67 Hook bag NE 83722 68 Nut 8 32 locking i 86810 69 Bag actuator asss 83725 70 Bracket switch eIIl 85322 72 Insulator switch EFE 85323 73 Screw 6 32 x 1 86805 74 Nut 6 32 hex FS Er ere 86827 75 Switch start 70449 70445 70449 70445 88056 70445 76 Switch stop 83327 83327 88057 83327 78 Platform bag 85252 79 Pin roll 86832 W0611546 80 Screw 4 40 x 5 8 sl bd hd 86928 81 Nut 4 40 hex 86929 82 Clip casing hook 82056 83 Bracket counter hook 82055 84 Harness wiring 120 vac 83341 83333 83341 82029 86 Harness bag switch TE DR 83735 83738 87 Ring snap 86429 86429 88 Washer aI 82039 _ 82039 89 Feedworm spring 86432 Grindmaster Corporation 800 Series Coffee Grinders Wiring Diagrams for 120 Volt 60Hz Units e z N 855 thru 890 SERIES 810A SERIES E 5 5 e E Q Q a lt2. Grindmaster Corporation 800 Series Coffee Grinders Operation and Instruction Manual Models 810 835 8 5 and 890 Table of Contents Installation Operating Instructions Grind Adjustment Shear Disc Replacement Cleaning Instructions Lubrication Troubleshooting Guide Exploded View Wiring Diagrams Prior authorization must be obtained from Grindmaster Corporation for all warranty claims GRINDMASTER CORPORATION Grindmaster Corporation 1995 PRINTED IN USA A e Model 890 Grindmaster Corporation 4003 Collins Lane Louisville Kentucky 40245 USA 800 695 4500 USA amp Canada only 502 425 4776 FAX 502 425 4664 www grindmaster com 0105 FORM GR 380 13 Part 83427 Installation Instructions Please read this manual before operating the grinder Carefully remove grinder from carton Place grinder in position on shelf counter or other flat surface Plug grinder into standard electric outlet Avoid using an extension cord Grind a small amount of whole bean coffee following operating instructions as described in this manual If there is any problem consult the Troubleshooting Guide in this manual also on back of grinder If you still cannot correct a problem call Grindmaster s Service Department for help 800 568 5715 M F 8 AM 6 PM EST Operating Instructions Your new coffee grinder is easy to operate and maintain Before you place it in service please have all personn
3. OLLOWING PAGE WHEN ORDERING 810 TALL LOWER FRONT 800 SERIES SANITATION TOP AND LID 835 SERIES BAG SWITCH KIT NO 83299K KIT NO 83426K KIT NO 83726K ies Coffee Grinde So o o c 9 Em i o O O O Q E gt fe G Item Description Grocery Grinder Part Numbers for the Following Models Below 810 810A 810 TALL 835 835 BRASS 870 875 875 BRASS 890 865 2 Washer 8 internal tooth 86822 all models 3 Top 800 series sanitation 83451RK and 83451BK all models 4 Lid 800 series sanitation 83450RK and 83450BK all models 5 Screw 8 x 1 4 ph truss hd 86875 all models 6 ILid bifold hinge 88704RK and 88704BK all models 7__ Top bifold lid 83308 83382RK amp BK 83308 83382RK amp BK 83308 8 Hopper 83356 88280 83356 9 Finger Guard 83324 all models 10 Gasket Hopper 88211 all models 11 Screw 8 32 x 3 8 slotted ov 86914 all models 12 Plate knob retainer 82024 all models 13 Knob grind sel
4. Tools Required Flat Blade Screwdriver and Pliers Unplug machine Remove all of the coffee beans from the hopper Remove the Grind Cap by taking out the 2 Cap Screws Bin NO ce Pull out the Revolving Burr and Feedworm Assembly Clean out the Grind Head removing all coffee particles from inside the Grind Head and the Grind Cap so that it can be reset properly 5 Check that no obstruction has been caught on the surface of the teeth of either burr Remove the Shear Cap and broken pieces of the Shear Disc You are now ready to reassemble the grinder mechanism 6 Slide the Revolving Burr and Feedworm Assembly onto the Drive Shaft Insert the shear drive so that the Motor Shaft tongue engages into the shear drive notch Insert a new Shear Disc by aligning the slot in the Shear Drive with the slot in the hub of the feedworm Replace the Shear Cap and Grind Cap Make certain that the Grind Cap is screwed on tight and is seated properly not cocked against the head Without a proper seat a proper grind cannot be obtained 9 Your grinder is now ready to grind Grindmaster Corporation 800 Series Coffee Grinders FEEDWORM amp ROTARY BURR GRIND CAP ASSEMBLED SHEAR DRIVE SHEAR DISC SHEAR COVER SCREW 5 16 X 1 LG Model 890 GRIND HEAD FEEDWORM amp ROTARY BURR GRIND CAP ASSEMBLED SHEAR COVER SCREW 5 16 18 X 1 LG Figure B Cleaning Instructions The outside of machine can be cleaned with a dam
5. assembly instructions Excessive amount of chaff Defective chaff mixer spring If bent broken or missing replace flying about spring e If stuck open with coffee clean out coffee to free spring Outlet not properly grounded Check power cord end and outlet for proper ground Static electricity Tighten all nuts bolts and screws and verify wall outlet is grounded Circuit breaker continuously Insufficient current due to use Plug unit directly into outlet Do not trips of extension cord use extension cord e Insufficient current due to Designate single line for grinder overloaded line Do not use multi outlet box Grind setting needs adjustment Adjust grind to coarser setting See Grind Adjustment section 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 authorized service center in your area Please have the model and serial number ready so that accurate information can be given Prior authorization must be obtained from Grindmaster Corporation s Technical Services Department for all warranty claims Grindmaster Corporation 800 Series Coffee Grinders lew Exploded V les 800 Ser c q PAINTED COMPONENTS AND COLOR MUST BE SPECIFIED PART NUMBERS INDICATED BY AN ASTERISK ARE WHEN ORDERING NOTE REFER TO THE PART NUMBER SHEET ON THE F
6. cuit Breaker NO U Bog Nors GERNERS This grinder is equipped with a circuit breaker to protect the motor from overloading When the circuit breaker operates the reset button will pop out approximately 1 4 which then cuts off power to the grinder The reset button is located on the front panel of the Model 810 835 and 875 To reset the circuit breaker push in the reset button You will hear a click as it resets If the grinder does not operate after resetting the circuit breaker there may be an obstruction in the grinding mechanism that is stalling the motor Turn the grind selector knob all the way to the left Try restarting the grinder If the circuit breaker trips again the obstruction was not able to pass In this case the Grinder Head should be cleaned out as described in the Shear Disc Replacement sec tion of this manual Current It is essential that full voltage and amperage always be available as it takes full power to grind coffee NEVER connect to an overloaded line or a two or three way plug otherwise serious damage to the motor will occur DO NOT USE AN EXTENSION CORD Grindmaster Corporation 800 Series Coffee Grinders Protection The grinder is equipped with both a circuit breaker and a shear disc release to protect the motor and burrs if a foreign object such as a nail or rock gets into the the coffee Grind Adjustment Tools required Large blade and medium Phillips head screwdrivers In order to adjust the
7. ect 82022 all models 14 Pointer knob 88027 all models 15 Screw 6 32 x 1 4 86866 all models 16 Plate detent 83361 82025 17 Screw 8 32 x 1 4 86224 all models 18 Screw grind adjust 82023K 86434 19 Bearing grind adjust 86110 all models 20 Screw 5 16 18 x 1 Ig 86887 all models 21 Grind cap 82021 86439 22 Plunger detent 83318 all models 23 Spring detent 83443 all models 24 Knob lid 86223 all models 25 Front panel 83316 83301 83316 83301 83383 83363 83363 83381 83363 83301B 26 Cover shear 86355 all models 27 Disc shear 86123 83437 28 Drive shear 86154 _ 29 Feedworm 85188 86468 30 Burr set 85281WK 86430 31 Screw 10 32 x 5 16 86812 all models 32 Tension spring 86118 86438 33 Thrust collar 86304 86428 34 Grind head 841718 84172 86435 35 Motor 1 2hp 115VAC 60 Hz 86419 86436 36 Nut 1 4 20 cage 86864 all models 37 Screw chaff spring 07009 02 86806 38 Chaff spring 84154 82026 39 Spout 88033 83734 82019 40 Screw 8 32 x 3 8 Ig 86807 all models 41 Spout flap 83230 42 Screw spout flap E 86993 43 Motor shelf 83334 all models 44 Bolt 1 4 20 x 1 86872 all models 45 Capacitor 115 VAC 60 Hz 86144 all models 46 Screw 8 32 x 3 8 86874 all models 47 Relay 115 VAC K 85303 48 Screw 8 32 x 1 4 07046 02 all models 49 Timer 115VAC 90 sec 86449 50 Screw 48 32 x 1 1 4 Ig 86791 53 Circuit breaker 10 amp for 115vac 866
8. el familiarize themselves with these instructions then see that this manual is kept in a convenient place where it will always be available for ready reference How to Operate Turn the selector knob to the desired grind setting Fill the hopper with the desired type and amount of whole bean coffee Close the lid Place the bag underneath the spout Press the start button 810 model Press the grinder switch to the ON position The grinder will automatically stop when the bag is removed 810 model Once coffee is ground press the grinder switch to the OFF position or grinder will continuously run On models 835 and 875 the STOP button may be pressed after the grinder has completed grinding 6 Remove bag from coffee spout once coffee is ground Grinds Before shipment your grinder is adjusted to accurately grind for each brewing method indicated The Grinding Burrs are made of an extremely hard and wear resistant alloy From time to time grind adjustments see Grind Adjustment section in this manual may be necessary as the burrs wear If the grind runs coarser than expected after normal adjustment and the grind time has increased the burrs may have excess wear and should be replaced The burrs are warranted for 3 years or 30 000 pounds of coffee Ask for a copy of our complete Warranty for details New burrs should always be installed as a pair never one or the other as they are accu rately ground and lapped in pairs Cir
9. grind follow these steps Refer to figure A 1 Remove all coffee from the hopper 2 Set selector knob to the finest setting Espresso or Turkish SET depending on the model GRIND ADJUSTMENT SCREW Loosen both knob retainer screws in selector knob one turn only While pressing the bag switch located behind the spout press the START button so that the grinder will run during adjustment 810 model Press the ON or START button so that the grinder will run during adjustment CAP SCREW KNOB RETAINER SCREWS 5 With the grinder still running turn the adjusting screw in the center of the selector Figure A knob slowly to the right until a slight clicking noise is heard Immediately turn the adjusting screw to the left one grind setting This is the finest grind obtainable 6 Tighten both of the knob retainer screws Once the ESPRESSO grind has been set Turkish for Model 835 875 890 the other grind settings will automatically set correctly 7 Press the STOP or OFF button IMPORTANT Always be sure the grinding burrs are not touching while the machine is running on the ESPRESSO TURKISH setting Otherwise serious damage to the motor may result Shear Disc Replacement If the motor should run and no coffee is dispensed the shear disc release may have operated Should this occur perform the following operations in the sequence given Refer to Figure B on page 4 Note See appropriate Exploded View for part numbers
10. p cloth or common household polishing wax See Shear Disc Replacement section in this manual for instructions on assembling and disassembling the grinder parts All parts that are in contact with food must be washed with warm soapy water rinsed sanitized and air dried Note The person cleaning the parts should do so with clean hands Before reassem bling wipe the motor shaft with 2 or 3 drops of common household cooking oil in the area of the feedworm engagement to make the assembly easier Lubrication All bearings have been oiled for life No further oiling is necessary Grindmaster Corporation 800 Series Coffee Grinders Troubleshooting Guide The following procedures must be performed by a qualified service technician PROBLEM POSSIBLE CAUSE SOLUTION Grinder will not start when Bag not under spout e Place bag underneath spout START button is pushed Plug not in outlet properly Install plug in outlet No power to outlet Check outlet with lamp or radio to verify outlet has power Circuit breaker has tripped Reset circuit breaker by pushing in reset button until you hear a click Grinder runs or hums but no Shear disc is broken Replace shear disc See Shear coffee is dispensed Disc Replacement section or instructions on back of grinder e Obstruction in opening to Unplug Unit Empty beans out of grinding chamber hopper and clear obstruction See Shear Disc Replacement section for disassembly and
11. q lt S O 810 SERIES CAPACITOR BLK BLK Grindmaster Corporation 800 Series Coffee Grinders
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