Table of Contents
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Grindmaster 115 and 250 Series
Operation and Instruction Manual
Models 115A, 115AB, 250, 250A, 250AB, 250-3A,
Table of Contents
Installation Instructions ..................................2
Set-up Procedures ..........................................2
How to Operate ............................................2
Timer Adjustment ..........................................3
Grind Selector™ ............................................4
Coffee Grind Profile, Grind Adjustment ........5
Current, Protection, Circuit Breaker................5
Lubrication ....................................................5
Cleaning Instructions ....................................6
of Upper Hopper Assembly ............................6
Shear Disc Replacement ................................7
Troubleshooting Guide................................8-9
Exploded Views ......................................10-18
Wiring Diagrams ....................................19-22
Prior authorization must be obtained from
Grindmaster Corporation for all warranty claims.
© Grindmaster Corporation, 1998
Printed in the USA
Coffee Grinders
for
250RH-2 & 250RH-3
Model 250
Model 250RH-2
Model 115
Grindmaster Corporation™
4003 Collins Lane
Louisville, Kentucky 40245 USA
(502) 425-4776
(800) 695-4500 (USA & Canada only)
(800) 568-5715 (Technical Service)
FAX (502) 425-4664
www.grindmaster.com
0108 Form # GR-373-04
Part# 85358
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Table of Contents
Related Manuals for Grindmaster 115AB
Summary of Contents for Grindmaster 115AB
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Page 1: Table Of Contents
Grindmaster 115 and 250 Series Operation and Instruction Manual Models 115A, 115AB, 250, 250A, 250AB, 250-3A, Table of Contents Installation Instructions ...2 Set-up Procedures ...2 How to Operate ...2 Timer Adjustment ...3 Grind Selector™ ...4 Coffee Grind Profile, Grind Adjustment ...5 Current, Protection, Circuit Breaker...5... -
Page 3: Installation Instructions
If there is any problem, 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 & Canada only) 8 AM - 6 PM EST. -
Page 4: Timer Adjustment
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. Digital Grinder Timer Adjustments (All Models) To access timer, remove the timer cover by removing the mounting screws and pulling the cover away from the casing. 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. -
Page 5: 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 & 250AB). If your grinder is equipped with a Grind Selector™, refer to the following information: The Grind Selector™... -
Page 6: Coffee Grind Profile, Grind Adjustment
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. -
Page 7: Cleaning Instructions
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. -
Page 8: Shear Disc Replacement
Shear Disc (86123) Decal, Coarse-Fine Shear Cap (84884) (86355) Adjusting Nut (86340) Grind Cap Adjusting Screw (87131) Thumb Screw (86341) (86819) Bearing, Adjusting (86140) 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). -
Page 9: Troubleshooting Guide
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... - Page 10 (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.
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Page 11: Exploded Views
Models 115A, 115AB, 250, 250A, 250AB & 250-3A Exploded Views (refer to pages 11-14) 115 & 250 Series Coffee Grinders Page 10... - Page 12 Exploded View Parts List - 115V Models 115A, 115AB, 250, 250A, 250AB & 250-3A Item No. Description HARNESS, 115/250 A & AB HARNESS, 250 SERIES DIGITAL AUGER HARNESS, DIGITAL SWITCH FOOT, RUBBER 100/250 BASE BRACKET, TINNERMAN ANGLE 250 LID ASSEMBLY...
- Page 13 Exploded View Parts List - 115V (cont.) Models 115A, 115AB, 250, 250A, 250AB & 250-3A Item No. Description NUT, 1/4-20 X 7/16 HEX JAM ZINC PLATED WASHER, FLAT 1/4 - ZINC PLATED SPRING, TENSION SHIFT, ARM SCREW, 1/4-20 X 3/4 THUMB ZINC...
- Page 14 Exploded View Parts List - 230V Models 115A, 115AB, 250, 250A, 250AB & 250-3A Item No. Description HARNESS, 115/250 A & AB HARNESS, 250 SERIES DIGITAL AUGER HARNESS, DIGITAL SWITCH FOOT, RUBBER 100/250 BASE ANGLE BRACKET, GRINDER BASE 250 LID ASSEMBLY...
- Page 15 Exploded View Parts List - 230V (cont.) Models 115A, 115AB, 250, 250A, 250AB & 250-3A Item No. Description NUT, 1/4-20 X 7/16 HEX JAM ZINC PLATED WASHER, FLAT 1/4 - ZINC PLATED SPRING, TENSION SHIFT, ARM SCREW, 1/4-20 X 3/4 THUMB ZINC...
- Page 16 Models 250RH-2 and 250RH-3 Exploded View Page 15 115 & 250 Series Coffee Grinders...
- Page 17 Models 250RH-2 and 250RH-3 Removable Hopper Exploded View Models 250RH-2 and 250RH-3 Casing Assembly Exploded View 115 & 250 Series Coffee Grinders Page 16...
- Page 18 Models 250RH-2 and 250RH-3 Digital Timer Assembly Exploded View Models 250RH-2 and 250RH-3 Front Plate Assembly Exploded View Page 17 115 & 250 Series Coffee Grinders...
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Page 19: Exploded Views
Models 250RH-2 and 250RH-3 Motor Mount Assembly (120V) Exploded View Models 250RH-2 and 250RH-3 Auger Motor Mount Assembly Exploded View 115 & 250 Series Coffee Grinders Page 18... -
Page 20: Wiring Diagrams
Models 250RH-2 and 250RH-3 Wiring Diagram Page 19 115 & 250 Series Coffee Grinders... - Page 21 115A, 115AB & 250 Series Wiring Diagram 115V 115 & 250 Series Coffee Grinders Page 20...
- Page 22 115A &115AB/120V Wiring Diagram Page 21 115 & 250 Series Coffee Grinders...
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Page 23: Wiring Diagrams
115A &115AB/120V Wiring Diagram 115 & 250 Series Coffee Grinders Page 22... -
Page 24: Grindmaster Corporation
Grindmaster® Coffee Grinders and Brewers • 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 & Canada only) P.O.