Grindmaster 115AB User's Manual
Contents
1. 24 SCREW amp 32X3I HEXPEM 8362 83162 83162 83182 uN amp pRvE 65968 83368 83368 83368 26 WASHERNYLON 8314101 8314101 8314101 8314101 37 HOPPERAUGERW SPOUT 831 83150 83150 83150 28 ADAPTER ORE 019 8019 8009 29 sPRNGAUGR 8604 86046 86046 86046 30 FUNNLAUGER 8314 83134 3 MOTORAUGERHSV 86050 86050 86050 86050 32 BRACKET MOTOR 8604201 8604201 8604201 8604201 3s GASKET HOPPER O O Jo 8300 83051 49 5 8 18 BRASS ADJUSTSCREW 86340 86340 eeso 5630 50 SCREW 51618 X1 THUMB T SZINC 86819 86319 869 56819 5 GmNDSHrFTASSEMBY 893 89 52 SCREW amp 32XSBPHTRMSZNC 6 86800 55 NUT 8 32 KEPS ZNC PLATED 8680 880 s BRACKET COARSE STOP 65 85 55 SCREW GRIND ADJUST s18 X38 em 88M Page 11 115 amp 250 Series Coffee Grinders Exploded View Parts List 115V cont Models 115A 115AB 250 250A 250AB amp 250 3A WemNe Desep on mea 250 250A 25048 2503A 56 x 7776 HEX JAMZINE PIATEO WASHER FLATT4 ZNCPLATED 8664 s SPRNGTENSON 5 OOOO2. BROWN MEDIUM 250RH 3 ONLY SELECTOR SWITCH VIEWED AT TERMINAL CIRCUIT BREAKER NC O lt A CAPACITOR BLACK YELLOW DIGITAL CONTROL BOARD PIN CONNECTIONS EXTERNAL MOTOR RELAY DIAGNOSTIC i e L FOR 230 VAC 50 Hz APPLICATIONS ONLY amp 2 AUGER GRINDER 2 amp 3 GRINDER ONLY Page 19 115 amp 250 Series Coffee Grinders 115A 115AB amp 250 Series Wiring Diagram 115V UA MODELS ONLY 1 PB MODELS ONY aap 5 5 1 oe PURPLE w L2 DARK BLUE WHITE STRIPE WHITE L1 SET REED IVOLUME SWITCH TZ MEE LU 5 LLL L eae J LJ 5 SUUM aL iL Li E en WHITE ORANGE REG DECAF 3 SWITCH YELLOW CIRCUIT BREAKER CAPACITOR NL LT CORP DIGITAL CONTROL BOARD 115 amp 250 Series Coffee Grinders 20 115A amp 115AB 120V Wiring Diagram SCHEMATIC 115A 120Volt JUMP PINS 2 amp 3 FOR GRINDER ONLY PIN CONNECTIONS JUMP PINS 2 amp 3 FOR GRINDER ONLY Page 21 115 amp 250 Series Coffee Grinders 115A amp 115AB 120V Wiring Diagram SCHEMATIC 250A _ 120Volt 250 3A 120Volt _ SCHEMATIC 250 120Volt JUMP PINS 1 amp 2 JUMP PINS 1
3. 80 JSCREW UAZOXGATHUMBZNC 8889 809 1 SOLENOID GRIND SHIFT izoveORz 8607301 __ 82 screw X14PHTRHDSMSTB4OSS seme 8976 HARNESS SOLENOID 8848 8948 84 PIN COTTER 332 X1ZINCPLATED 8858 889 JRAcketSoLENODMTG __ 66 8886 5 JNULSGZKEPSZNCPLAED __ 67 ASSEMBLY GRIND SHIFT HINGE A225284 68 ScREW amp 32x 3 6 SU BO Ho ws zine seo 867 69 SCREW 8 X 1 4 PH SMS T B 410SS sons sore 8916 some some 70 screw ____ 6 9 72 SWITCH DECAFTREGULARROGKER seors seors seors seors 73 SWITCHPORTIONROCKER 86075 seors seors 86075 e3231 80 GASKET HOPPER FUNNEL__ esos 8805 83105 85105 85105 83105 86 BUSHING HEYCO OPENTOLOSED 86039 86039 86039 86039 86099 86039 89 NUT WHIZLOGK 1420 eroas 8709 8709 37049 8704 87049 9 SPACE os 8706 808 870 87026 870 96 ORCUITBREAKER T0R 86618 8868 seste 86618 86618 86678 Sr POWERCORD 86222 86222 86222 8622 8622 STRANREUEF 8i 861 99 SCREW 410X 12 PHTR HO 21056 86859 86859 86850
4. 834 8834101 83141401 83410 27 HOPPER AUGERWISPOUT 83150 8310 88150 _ __ ADAPTER DRVE O 609 809 8009 8019 _ SPRINGAUSER O 86046 85046 8646 88946 _ FUNNELAUGER 83134 83134 _ 8 MOTOR AUGER23IV _ 8600 86000 86000 88000 82 BRACKELMOTOR 5604201 8804201 8504201 8604201 33 easket Hoper O 6308 83081 83081 _ 46 BEARING ADJUSTING 60 86140 850 mo 8 GRINDSHITASSEMBLY23VAC 8995 J 8995 82 SCREW832XSBPHTRMSZNG ews 55 NULSGZKEPSZNCPUMED 84 BRACKELCONRSESTOR 65 SCREWGRINDADJUSTSIEH8XS8 em Page 13 115 amp 250 Series Coffee Grinders Exploded View Parts List 230V cont Models 115A 115AB 250 250A 250AB amp 250 3A emNe Desep on MISA 250 250A 250A 2503A 56 NUT TAZ0XTTSHEXJAWZNCPUATED 89892 WASHER FLATTA ZNCPLATED 8894 8664 5 SPRING TENSON O o 888 5 OOo o see 80 SCREW 11420xam THUMB ZINC 8889 6 SOLENOID GRIND SHIFT 230v soz esmo HARNESS SOLENOD 8848 8648 B
5. 7 115 amp 250 Series Coffee Grinders Troubleshooting Guide The following procedures must be performed by a qualified service technician CAUTION Unplug the machine before cleaning or servicing the unit Problem Grinder will not start when START button is pushed Grinder runs or hums but no coffee is dispensed Excessive amount of chaff flying about Quantity of coffee dispensed each throw is not the same Knobs do not operate smoothly Auger does not turn Auger will not operate Circuit breaker continuously trips Possible Cause Plug not in outlet properly No power to outlet Circuit breaker has tripped Shear disc is broken Obstruction in opening to grinding chamber Auger has stalled Models 250 250A 250RH 2 amp 250RH 3 only 250RH Models Hoppers not properly in place Defective chaff mixer spring Static electricity Auger stalls Models 250 250A 250RH 2 and 250RH 3 only Timer delay is not working or running long enough Defective timer Coffee beans or bean dust may have clogged carrier Coffee beans or bean dust may have jammed auger 250RH Models Hopper not properly seated Motor or link is binding Auger motor has burned out Wiring harness to motor is loose 250RH Models Hopper not properly seated Insufficient current due to use of extension cord Insufficient current due to overloaded line Grind setting need
6. 86859 889 100 PLATELOWERFRONT 86003 86003 86009 107 MOTOR MOUNT ASSEMBLY 86995 86995 86995 8695 108 SCREW 10 32 516 SLBDHDMISZINC 85812 82 86812 86812 86812 115 amp 250 Series Coffee Grinders 12 Exploded View Parts List 230V Models 115A 115AB 250 250A 250AB amp 250 3A WemNeIDescnp on nsa msa 250 250A 25048 203A _ 2 HARNESS 250 SERIES DIGITAL AUGER 825 66125 86125 86125 ANGLE BRACKET GRINDER BASE 88862 88862 86862 88862 88862 88862 __ O OO 89108 89105 89105 8 SCREW8X3IPHPNSMSTIBII0SS ems To 3 O f 804 13 HNGEPLATED 636 636 4 PARTITION HOPPER 8604 880 16 SCREW 8322 SLBDHDNYLON 86067 86087 86087 88087 16 NULSG2NYLONLOCK ______ 86086 86086 86086 88086 17 SCREW8X3IBPHPNSMSTIBXISS ToO i8 0 HOPPER SUPPORT _ 8 998 j 8892 TT 22 FRONTHOPPERSUPPORT Sick GASKELHoPPER riis m 24 SCREWS32X3IFHEXPEM 8 8593 _ 35 UK DRIVE 8365 83968 83368 83308 WASHERNVLON
7. Thumb Screw 71419 86819 Bearing Adjusting 86140 Figure H Motor Assembly 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 see Figure H Tools Required Phillips Head Screwdriver and Pliers 1 Unplug machine 2 Remove the Upper Front Plate of the grinder to provide access to the grinder mechanism 3 Remove the Grind Cap by taking out the 2 Thumb Screws 4 Pull out the Revolving Burr and Feedworm Assembly Clean out the Grinder Head removing all coffee particles from inside of the Grinder Head and the Grinder 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 6 Remove the Shear Cap and broken pieces of the Shear Disc You are now ready to reassemble the grinder mechanism 7 Slide the Burr and Feedworm Assembly back onto the Motor Shaft making certain that the tongue of the shaft engages the slot in the Shear Drive 8 Insert a new Shear Disc by aligning the slot in the Shear Drive with the slot in the hub of the Feedworm 9 Reassemble the Shear Cap and Grinder Cap Make certain the Grinder Cap is screwed on tight and is sealed properly against the head not angled or mis aligned Otherwise a proper grind cannot be obtained 10 Reassemble the Upper Front Plate Your grinder is now ready to grind
8. bean coffee cover and replace on grinder Model 250 shipping bracket Shipping Bracket Removal NOTE Shipping bracket must be removed prior to removal of The bracket may be upper hopper assembly left on grinder but Models 250 250A and 250AB are equipped with shipping bracket must be removed Remove bracket prior to installation see Figure E prior to servicing Tools Required 1 Phillips screwdriver 1 Using the Phillips screwdriver remove the screws and the bracket located at the back of the grinder 2 not discard the screws and bracket The bracket should be re installed on the grinder prior to transporting or shipping Figure E Shipping Bracket Removal Removal and Reinstallation of Hopper Assembly For Models 250 250A 250AB 250 3A 1 Remove Upper Front Plate by removing the four screws in the corners Shipping bracket must be removed prior to removal of upper PULL FORWARD hopper assembly See instructions and diagram above 2 Lift Upper Hopper Assembly while rotating the Assembly slightly ROTATE upward see Figure F 3 Pull the Assembly forward toward front of unit and out 4 Toreinstall hopper ensure the Drive Pins are in vertical position see Figure G 5 Ensure that Drive Links are in horizontal position 6 Insert the rear slots of the Upper Hopper Assembly into the rear tabs of the motor bracket 7 Rotate assembly downward Reassemble Upper Front Plate 9 Putthe 4
9. Grindmaster 115 and 250 Series Coffee Grinders Operation and Instruction Manual for Models 115A 115AB 250 250A 250AB 250 250RH 2 amp 250RH 3 Table of Contents Installation Instructions Set up Procedures How to Operate Timer Adjustment Grind Selector Cotfee Grind Profile Grind Adjustment Current Protection Circuit Breaker Lubrication Cleaning Instructions Removal and Reinstallation of Upper Hopper Assembly Shear Disc Replacement Troubleshooting Guide Exploded Views Wiring Diagrams Prior authorization must be obtained from Grindmaster Corporation for all warranty claims GRINDMASTER CORPORATION Grindmaster Corporation 1998 Printed in the USA Model 250RH 2 Model 115 Grindmaster Corporation 4003 Collins Lane Louisville Kentucky 40245 USA 502 425 4776 300 695 4500 USA amp Canada only 800 568 5715 Technical Service FAX 502 425 4664 www grindmaster com 0108 Form GR 373 04 Part 85358 Installation Instructions For Models 115A 115AB 250 250A 250AB amp 250 3A Please read this manual before operating the grinder Carefully remove grinder from carton Place grinder in position on shelf counter or flat surface Plug grinder into 120V 15A grounded electrical outlet Do not use an extension cord Grind a small amount of whole bean coffee following operating instructions as described in this manual If there is any problem
10. H Models Place full hoppers on machine making sure the base of each hopper is seated in designated area Refer to Figure A Place the brew basket with coffee filter on rails or basket arms Choose the type of coffee you wish to grind by pressing the rocker selection switch Push the start button on the front of the grinder When grinder stops remove the brew basket 115 amp 250 Series Coffee Grinders Page 2 Hi ges Timer Adjustment The timer is preset at the factory but should adjustments be required follow the instructions below to set the grind times Note The grinder power must remain ON for timer adjustments AMOUNT TIME AMOUNT TIME DESIRED SETTING DESIRED SETTING OZ SECONDS OZ SECONDS 0 5 1 071 3 13 0 15 8 1 0 2 1 2 6 15 2 18 4 1 5 3 2 3 9 17 4 21 1 Z0 4 3 5 3 19 5 23 7 2 5 5 4 6 6 21 7 25 3 3 0 6 5 9 26 123 1 6 3 9 7979 2 30 5 36 9 4 0 8 6 10 5 34 8 42 1 DEU 10 8 13 2 39 2 45 0 Digital Grinder Timer Adjustments All Models 1 To access timer remove the timer cover by removing the mounting screws and pulling the cover away from the casing 2 To light up the display on the board and check the time setting depress either one of the two square buttons located next to the display one time 3 change the displayed setting press and hold either the left or right square button until the desired setting is reached The left button lowers the displayed value the right button increases t
11. RAcKELSOLENODMIG O _____ 66 886 65 NULSS2KEPSZNCPLATED f 67 ASSEMBLY GRIND SHIFT HINGE 4225287 seor SCREWS32XI2PHTRZNG 989 69 SCREWSBXTAPHTRHDSMSTIB4I SS some sorte sore 8916 some some 70 sow snas xi strome 689 99 72 SWITCH DECAF T REGULAR ROCKER seors seors seors seors 73 SWITCHPORTIONROCKER 66075 8805 seors 86075 80 GASKET PROPORTIONER TO HEAD 74 9 rae 86 BUSHING OPEN CLOSED 86039 86039 86039 86039 86039 86039 89 NUT WHIZLOCK 1420 eroas 8709 eroas 87049 87049 9 sacr 876 so so so 87026 870 96 CIRCUITBREAKER SA esor esor 85107 83107 estor 83107 98 STRANRELIEE 8809 seori 86071 99 SCREW S32X38PHTIHAIUSS 82097 82007 82097 82007 82097 82007 115 amp 250 Series Coffee Grinders Page 14 Models 250RH 2 and 250RH 3 Exploded View 6 j Funne RHG Hnder 86257 7 82292 82296 82298 10 82297 10 82320 E 82290 12 86037 13 86117 Cap Handle Top Orange Cap Handle Top Black Page 15 115 amp 250 Series Coffee Grinders Models 250RH 2 and 250RH 3 Removable Hopper Exploded View Item No Title Hopper Removable Cap Handle Top Natural Was
12. Screw Lock Nut by turning counter clockwise 3 Turn slotted Adjusting Screw clockwise to make grind finer or counter clockwise to make grind coarser Generally a 1 8 to 1 4 turn will provide the desired adjustment Note Use dial on grinder cap as reference Do not turn more than Grinder Cap wA one notch before testing new Grind Adjustment 87131 4 After adjustment has been made tighten Adjusting Screw Lock Nut gt Figure D Grind Adjustment 5 To visually inspect grind adjustment test grind a small portion of coffee and re adjust if necessary Note Adjusting the grind may alter the portion of coffee dispensed After grind adjustment weigh portion and adjust if necessary see How to Adjust the Portion Current It is absolutely 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 may result Do not use an extension cord Protection This grinder is equipped with both a circuit breaker and a shear disc to protect motor and burrs if a foreign object such as a nail or rock gets into the coffee Circuit Breaker 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 cuts off the power to the grinder The reset button is located above the powe
13. Wrench Phillips Screw Driver Large Blade Screwdriver Y adjustment screw 1 Unplug grinder 2 Remove upper front plate 3 Loosen the fine grind adjusting screw lock nut see Figure B 4 Hold solenoid shut while turning adjusting screw clockwise to make the grind finer counter clockwise to make the grind coarser see Figure B We recommend that you do not turn the adjusting screw more than two notches on the scale before testing the new grind setting Figure B Fine Grind Adjustment NOTE Be sure that when adjusting the grind that you do not adjust too fine causing the burrs to touch each other a sound of metal scraping metal This could cause damage to the burrs or motor 5 After the adjustment has been made tighten adjusting screw lock nut Do not allow the fine grind adjusting screw to expose more than three threads on the outer side of the arm or it could loosen during operation 6 Assemble front plate to front of the grinder To Adjust the Coarse Grind For Models 115AB and 250AB Coarse grind Tools Required Adjustable Wrench Phillips Screw Driver Large Blade Screwdriver WA 1 Unplug grinder Remove upper front plate Loosen the fine grind adjusting screw lock nut see Figure C Do we lt Pull the solenoid plunger toward you until it contacts the coarse grind adjusting screw see Figure C Then turn the adjusting screw clockwise to make the grind fine
14. amp 2 FOR AUGER GRINDER FOR AUGER GRINDER JUMP PINS 1 amp 2 FOR AUGER GRINDER 115 amp 250 Series Coffee Grinders Page 22 GRINDMASTER CORPORATION Grindmaster Coffee Grinders and Brewers e PrecisionBrew Brewing Systems Espressimo Espresso Machines Crathco Hot Beverage Dispensers Crathco Cold and Frozen Beverage Dispensers AMW Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 1 800 695 4500 USA amp Canada only P O Box 35020 Louisville KY 40232 USA Giridmaster Corparationm 1998 www grindmaster com e email info grindmaster com 0108 Form GR 373 04 PRINTED IN USA Part 85358
15. consult the Troubleshooting Guide in this manual and also on the back of your grinder If you still cannot correct a problem call Grindmaster Corporation s Technical Service Department for help 502 425 4776 or 800 695 4500 USA amp Canada only 8 AM 6 PM EST For Models 250RH 2 amp 250RH 3 1 Please read this manual before operating the grinder 2 Remove the flat cardboard insert Remove the cardboard insert on top of the grinder Next remove the small box next to the grinder hopper enclosed Next remove corner supports and then remove the grinder Lastly remove the second hopper Place grinder in position on shelf counter or flat surface 4 Plug grinder into 120V 15A grounded electrical outlet Do not use an extension cord 5 Fill hoppers with whole bean coffee and place on grinder Make sure the base of each hopper is seated in its designated area see Figure A See Removal and Reinstallation of Hopper Assembly section on page 6 for detailed instructions 2309 9I us Ra 6 Grind a small amount of whole bean coffee following operating instructions as incorrect described in this manual 7 If there is any problem consult the Troubleshooting Guide in this manual and correct also on the back of your grinder 8 f you still cannot correct a problem call Grindmaster Corporation s Technical Service Department for help 502 425 4776 or 800 695 4500 USA amp Canada only 8 AM 6 PM EST Fi
16. ee Grinders 8 Troubleshooting Guide for Grind Selector Mechanism Models 115AB and 250AB The following procedures must be performed by a qualified service technician Problem Possible Cause Solution Loud grating noise e Burrs are touching each other on fine e Readjust fine grind setting see To grind setting Adjust Fine Grind section Rumbling noise e Thrust bearing rotating inside flange e Replace thrust bearing and shear cap bearing Chattering or buzzing noise e Solenoid may have failed to seat or e Check alignment of solenoid and close fully Models 115AB amp shift arm 250AB only e Also check the tightness of the solenoid mounting screws Loud vibration noise during grinding Cotter pin in the thumb screw linkage Attempt to spread flanges of cotter pin when Grind Selector is not activated may be vibrating or replace cotter pin Grind Selector fails to activate Wiring harness loose e WITH MACHINE UNPLUGGED check wiring harness connections to see if they are secure on the timer terminals e Solenoid has burned out Models 115 Replace solenoid amp 250AB only If you still need help call our Service Department at 502 425 4776 or 800 695 4500 USA amp Canada only 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 Grindmaste
17. gure A Instructions Your new coffee grinder is easy to operate and maintain Before you place it in service please have all personnel familiarize themselves with these instructions then keep this manual in a convenient place for ready reference Set up Procedures 1 You the user must determine the quantity of coffee you want to dispense as various types of coffee and brewing equipment require different quantities to obtain a quality cup of fresh ground fresh brewed coffee Note Because of the inherent properties of some decaffeinated coffee it may be necessary to dispense a slightly greater amount to achieve the desired level of flavor extraction as in regular coffee This should be evaluated based on the coffee you use as well as the brewing equipment used 2 Adjust the timer inside the grinder if necessary to dispense the desired weight of ground coffee see Timer Adjustment Section on page 3 All grinders are factory set to deliver approximately 2 ounces of ground coffee This weight is approximate as the density of all coffee beans is not the same The only way to ensure the desired portion is being dispensed is to weigh the coffee after it has been ground 3 The grind texture can be adjusted if necessary to a finer or coarser grind see Grind Adjustment section on page 5 The grind is factory set to deliver a standard autodrip grind How to Operate 1 Fill the hopper with the appropriate amount of whole bean coffee 250R
18. he displayed value The time values are set in seconds and tenths of a second 4 Refer to chart above for approximate timer settings Note For accuracy you must weigh the coffee and make appropriate adjustments 5 In order to store this desired value you must press the grinder start switch once Note If start switch is not pushed the last value stored will be used when you return to grinding mode 6 the timer is adjusted reinstall the timer cover 3 115 amp 250 Series Coffee Grinders Grind Selector For Models 115AB and 250AB Models equipped with a Grind Selector are designated with a B at the end of the model number Model 115AB amp 250 If your grinder is equipped with a Grind Selector refer to the following information The Grind Selector allows you to set the grinder to coarse or fine on any of the 250AB four grind selections regular small regular large decaf small or decaf large The following are some recommended use conditions Coarser Settings Regular Settings Larger portions 8 oz or more Smaller portions 7 oz or less Urns bottle brewers or airpots Decaffeinated coffee Regular coffee The fine grind setting on this grinder has been pre set at the factory to deliver coffee ground to normal drip specifications Should you wish to make an adjustment please follow these steps To Adjust the Fine Grind For Models 115AB and 250AB Fine grind Tools Required Adjustable
19. her Nylon 75 X 443 x 032 thk Adapter Drive pring Auger Drive ink Drive crew 8 32x1 4 PH TR Zinc Spout Screw 8 x 1 2 PH PN Thd Frm Assy Slide Plate Shoulder Bolt 1 4 x2 75 L 10 24 Spring Slide Plate pacer 8 Nylon id RH Hopper 4 SS Washer gt 0 Title Part No 1 Caosing 250RH 82275 Rivnut 8 32 AKS4 832 80 82096 3 Scrw 8 32 x 3 8 PH T H S S 82097 4 Circuit Breaker 10 Amp 86618 5 Strain Relief Heyco 1200 01 86071 6 POWER CORD 115 VAC 86222 7 Sound Deadener 7 x 15 86312 8 Plate Wiring Access 82308 9 Decal Change Shear Disc 82317 10 Decal Trouble Shooting 82316 1 Decal Reinstall Hopper to Casing 82311 12 Decal Warnings RH Grinder 82319 115 amp 250 Series Coffee Grinders Page 16 Models 250RH 2 and 250RH 3 Digital Timer Assembly Exploded View Scrw 8 32 x 3 8 PH T H S S 17 115 amp 250 Series Coffee Grinders Models 250RH 2 and 250RH 3 Motor Mount Assembly 120V Exploded View Part No Washer Lck 12 EXT ZNC PLTD Models 250RH 2 and 250RH 3 Auger Motor Mount Assembly Exploded View amp Hopper Divider 8209 _ 115 amp 250 Series Coffee Grinders Page 18 Models 250RH 2 and 250RH 3 Wiring Diagram GND L1 L2 RED GRAY DARK BLUE 3 LARGE REGULAR SELECTOR SWITCH VIEWED AT TERMINAL END GREEN
20. r counter clockwise to Figure C Coarse Grind Adjustment make the grind coarser We do not recommend that you turn the adjusting screw more than one and a half turns before testing the new grind setting 5 After the adjustment has been made tighten the adjusting screw lock nut Assemble front plate to front of grinder 115 amp 250 Series Coffee Grinders Page 4 Coffee Grind Profile Before shipment this grinder has been tested with coffee and has been accurately adjusted to deliver a standard autodrip grind The Grinding Burrs are made of an extremely hard and wear resistant alloy From time to time grind adjustments see instructions below 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 See your warranty for details New burrs should always be installed as a pair never one or the other as they are accurately ground and lapped in pairs Old burrs cannot be resharpened Grind Adjustment For Models 115A 250 250A 250RH 2 250RH 3 Tools Required Phillips and Large Blade Screwdrivers Pliers Adjusting Screw In order to adjust the grind follow these steps see Figure D Lock Nut m J 9 pest 9 Adjusting Screw 86341 1 Remove Upper Front Plate by removing the four screws in the corners 2 Loosen Adjusting
21. r Corporation s Technical Services Department for all warranty claims 9 115 amp 250 Series Coffee Grinders Models 115A 115AB 250 250A 250AB amp 250 3A Exploded Views refer to pages 11 14 0 Ne Ss te 115 250 HOPPER PARTS 115 HOPPER PARTS FILE 250 115 ISO DWG 115 amp 250 Series Coffee Grinders Page 10 Exploded View Parts List 115V Models 115A 115AB 250 250A 250AB amp 250 3A WemNe Desnip on A ns 250 250A 25048 203A _ 2 HARNESS 250SERIESDIGITALAUGER 8625 86125 86125 86125 F 6 BRACKETTINNERMANANGLE 86863 86863 86063 86063 86863 86863 __ _ 8903 89103 89103 89103 8 SCREW 8 X 3 8 PHPNSMSTB410SS __ _ 60 10 SCREW amp 32X14PHPNHD 8601 804 12 NULG32ACORNLOCK ses 15 HINGE PLATED 6636 14 PARTITION HOPPER 854i 15 SCREW amp 32 12 SLEDHONVLON 86067 86087 86087 86087 16 _ 86086 8606 86086 86086 17 SCREW 8 X 3 8 PH PN SMS TB AOSS soma 20 HoPPERSUPPORT 606 HomER 62 gt 22 FRONTHOPPERSUPPORF seek easke Hopper
22. r cord on the back of the grinder To reset the circuit breaker push the reset button in 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 In this case the Grinder Head should be cleaned out as described in the Shear Disc Replacement section of this manual Lubrication All bearings have been oiled for life No further oiling is necessary 5 115 amp 250 Series Coffee Grinders Cleaning Instructions The outside of the machine can be cleaned with a damp cloth or common household polishing wax Grinding parts should be cleaned with a stiff brush or dry cloth Do Not Use Water See Shear Disc Replacement for instructions on assembling and disassembling of grinder parts Before reassembling wipe motor shaft with 2 or 3 drops of common household lubricat ing oil in the area of feedworm engagement to make assembly easier For Models 250RH 2 250RH 3 Regular usage of the coffee hoppers will cause oils to accumulate on the inner surface requiring occasional cleaning 1 Remove hopper from grinder and empty all beans 2 Use a soft damp cloth with a small amount of liquid soap and clean hopper Use a clean damp cloth to remove the soap residue Do not immerse or fill hopper with water 3 Allow hopper to completely air dry before refilling with beans 4 Once the hopper is dry refill with whole
23. s adjustment Solution Install plug in outlet Check outlet with lamp or radio to verify outlet has power Reset circuit breaker by pushing in reset button until you hear a click Replace shear disc See Shear Disc Replacement section or instructions on inside of upper front plate Remove hopper and clear obstructions Clean auger Make sure hoppers are seated in their allocated area f bent broken or missing replace spring f stuck open with coffee clean coffee to free spring Tighten all nuts bolts and screws and verify outlet is grounded Refer to problem as listed below in this Troubleshooting Guide e See Timer Adjustment section Check the length of time the grinder runs e If time varies more than plus or minus 196 replace timer With machine unplugged clean carrier With machine unplugged clean auger opening Make sure hopper is seated in its designated area see Figure A Check all alignment of link and motor Check tightness of motor mounting Screws Replace motor With machine unplugged check to see if wires are connected to motor Make sure hopper is seated in its designated area see Figure A Plug unit directly into outlet Do not use extension cord Designate single line for grinder Do not use multi outlet box Adjust grind to coarser setting see Grind Adjustment section continued on next page 115 amp 250 Series Coff
24. screws back into Upper Front Plate and tighten Figure F Upper Hopper Assembly Removal and Reinstallation p For Models 250RH 2 250RH 3 1 To remove hoppers grasp hopper by handle and lift up approximately 1 4 and pull hopper back and out of LL grinder The bottom bean shut off valve will close automatically preventing spillage of beans Once hopper is removed it can be refilled or cleaned if necessary To reinstall hopper grab by handle and set bottom back of hopper on w left or right side of grinder making sure that the drive link is properly oriented see Figure G 4 Push hopper all the way back until it settles in its designated space see Figure A Figure G Positioning of the NOTE Hopper must be in place in order for that side of the grinder to operate Drive Pins and Drive Links 115 amp 250 Series Coffee Grinders Page 6 Gand Ehe Gasket Hopper Foam 841715 47 88211 Thrust Collar Burr Set 86304 85281W Revolving Tension Spring Burr 86118 Shear Disc 86123 Decal Coarse Fine 84884 Shear Cap 86355 Adjusting Nut 86340 N O Motor 86419 lt Screw pA Si Machined Spout 86218 86812 amp Deflector 86220 N Screw 5 eflector 86864 eS q 9 DU Shear Driv 86148 0 I x 86154 Feedworm Screw 86217 85185K i iyi Grind wa amp Gasket Portioner to Head 86341
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