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INTRODUCTION ............................................................................................................................... 2

Foreword .................................................................................................................................... 2
Contact Info ................................................................................................................................ 2
Machine Data Sheet ................................................................................................................... 3
Identification ............................................................................................................................... 5
Drill Bit Anatomy ......................................................................................................................... 6

SECTION 1: SAFETY ....................................................................................................................... 7

Safety Instructions for Machinery ............................................................................................... 7
Additional Safety for Drill Sharpening Machines ........................................................................ 9

SECTION 2: CIRCUIT REQUIREMENTS ...................................................................................... 10

110V Operation ........................................................................................................................ 10

SECTION 3: SETUP ....................................................................................................................... 11

Setup Safety ............................................................................................................................. 11
Unpacking ................................................................................................................................ 11
Inventory ................................................................................................................................... 11
Site Considerations .................................................................................................................. 12
Test Run ................................................................................................................................... 12

SECTION 4: OPERATIONS ........................................................................................................... 13

Operation Safety ...................................................................................................................... 13
Overview .................................................................................................................................. 13
Basic Controls .......................................................................................................................... 13
Calibrating Drill Bit .................................................................................................................... 14
Setting Point Angle ................................................................................................................... 16
Front Grinding Area .................................................................................................................. 16
Rear Trimming Area ................................................................................................................. 17

SECTION 5: MAINTENANCE ........................................................................................................ 19

Schedule .................................................................................................................................. 19
Drill Sharpening Accessories ................................................................................................... 19
Cleaning ................................................................................................................................... 19
Changing Grinding Wheel ........................................................................................................ 19

SECTION 6: SERVICE ................................................................................................................... 21

Troubleshooting ........................................................................................................................ 21
Wiring Diagram ........................................................................................................................ 23
Parts Breakdown ...................................................................................................................... 24
Parts List .................................................................................................................................. 25

WARRANTY AND RETURNS ........................................................................................................ 29

Table of Contents

Содержание H8203

Страница 1: ...ARPENING MACHINE OWNER S MANUAL COPYRIGHT NOVEMBER 2007 BY GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC BL10076 PRINTED IN TAIWAN ...

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Страница 3: ...p Safety 11 Unpacking 11 Inventory 11 Site Considerations 12 Test Run 12 SECTION 4 OPERATIONS 13 Operation Safety 13 Overview 13 Basic Controls 13 Calibrating Drill Bit 14 Setting Point Angle 16 Front Grinding Area 16 Rear Trimming Area 17 SECTION 5 MAINTENANCE 19 Schedule 19 Drill Sharpening Accessories 19 Cleaning 19 Changing Grinding Wheel 19 SECTION 6 SERVICE 21 Troubleshooting 21 Wiring Diagr...

Страница 4: ...h no obligation on the part of Grizzly For your convenience we always keep current Grizzly manuals available on our website at www grizzly com Any updates to your machine will be reflected in these manuals as soon as they are complete Visit our site often to check for the lat est updates to this manual If you have any comments regarding this manual please write to us at the address below Grizzly I...

Страница 5: ...H8203 Professional Drill Sharpening Machine 3 ...

Страница 6: ... 4 H8203 Professional Drill Sharpening Machine ...

Страница 7: ...del H8203 identification A Collet B Rear Trimming Area C Cleaning Brush D Front Grinding Area E Point Angle Adjusting Scale F ON OFF Switch G Calibrating Device H Calibrating Dial I Lock Ring J Collet Holder K Collet Tray Identification C B A D E F G H I J K ...

Страница 8: ...d drill bit parts Drill Bit Anatomy Figure 2 Side view of drill bit parts Figure 4 Top view of split point drill bit parts Flute Flute Length Overall Length Shank Length Chisel Edge Cutting Lip Web Heel Land Chisel Edge Cutting Lip Web Back Relief Shank Both Edges Are Aligned ...

Страница 9: ...H8203 Professional Drill Sharpening Machine 7 Safety Instructions for Machinery ...

Страница 10: ... 8 H8203 Professional Drill Sharpening Machine ...

Страница 11: ...g fingers into grinding areas when machine is turned ON No list of safety guidelines can be complete Every shop environment is different Always consider safety first as it applies to your individual working conditions Use this and other machinery with caution and respect Failure to do so could result in serious per sonal injury damage to equipment or poor work results Like all machinery there is p...

Страница 12: ... remove ground prong from plug to fit into a two pronged outlet If the plug will not fit the outlet have the proper outlet installed by a qualified electrician Extension Cords We do not recommend using extension cords but if you find it absolutely necessary Use at least a 16 gauge cord that does not exceed 50 feet in length The extension cord must have a ground wire and plug pin A qualified electr...

Страница 13: ... inventory the contents Unpacking Inventory The following is a description of the main compo nents shipped with your machine Lay the compo nents out to inventory them Note If you can t find an item on this list check the mounting location on the machine or examine the packaging materials carefully Occasionally we pre install certain components for shipping purposes Box 1 Figure 6 Qty A Collets 11 ...

Страница 14: ...ne ON 5 Listen to and watch for abnormal noises or actions The machine should run smoothly with little or no vibration or rubbing noises Strange or unusual noises should be inves tigated and corrected before operating the machine further Always disconnect the machine from power when investigating or correcting potential problems 6 Turn the machine OFF Placement Location Consider existing and antic...

Страница 15: ...rizzly Industrial will not be held liable for accidents caused by lack of training Operation Safety Overview The Model H8203 features a tapered CBN cubic boron nitride grinding wheel that sharpens twist drill bits using a three step process The included CBN grinding wheel sharpens HSS TiN coated and cobalt bits An optional SDC 170 grinding wheel Page 19 sharpens carbide bits Figure 8 H8203 control...

Страница 16: ...ock ring two turns for now and insert the drill bit into the collet holder as shown in Figure 10 Figure 10 Drill bit installed in collet holder Lock Ring Collet Collet Holder Angle Scale Indicates the point angle to be sharpened the angle can be adjusted from 90º 140º depending upon the workpiece material to be drilled Grinding Area Location where the CBN wheel grinds the drill bit point angle to ...

Страница 17: ...nd repeat Steps 1 8 9 The drill bit is properly calibrated when the notch on the collet holder and the drill bit cut ting lip are parallel as shown in Figure 15 Figure 15 Cutting edge parallel to collet holder notch If you are using a standard drill bit find the closest metric size For example turn the dial to 8 for a 3 8 drill bit If you are sharpening aircraft extension or deep hole drill bits s...

Страница 18: ... different point angle base the angle on the material softness or hard ness of your application 2 Use the included hex wrench to loosen the cap screw on the point angle scale Figure 17 3 Turn the scale to the desired angle and tight en the cap screw 118º 135º 90º Figure 19 Collet holder notch parallel to grinding area flange Flange Notch Front Grinding Area The grinding wheel adjusts the drill bit...

Страница 19: ...a Adding back relief to a standard bit makes it more efficient in removing material from a workpiece Some trial and error will be needed to determine the correct amount of back relief as shown in Figures 21 22 Figure 21 Correct back relief for standard bit Back Relief Figure 22 Correct back relief for split point bit Figure 23 Collet and bit inserted into rear trimming area Notch Pins Cap Screws S...

Страница 20: ...cooling until the machine stops making grind ing noises Note The harder you press down on the collet holder the larger the back relief will be 6 Remove the collet holder and drill bit rotate them 180º reinsert them into the trimming area and repeat Step 5 Figure 24 Rear trimming hole center over grinding wheel edge cover removed for clarity 8 Remove the bit from the collet holder To create a split...

Страница 21: ...er unsafe condition Monthly Check Worn or damaged grinding wheel Loose fan Schedule Cleaning the Model H8203 is relatively easy Use a vacuum or brush to remove excess metal chips from around the grinding and trimming areas and inside the grinding wheel cover Use the included cleaning brush Figure 27 to clean the front grinding and rear trimming shafts Use a cloth to remove remaining dust Cleaning ...

Страница 22: ...der then tilt the cover away from the grinder Figure 28 Figure 28 Removing grinding wheel cover cap screw 2 Remove the mounting screw flat washer and gasket fan and grinding wheel as shown in Figure 28 Figure 29 Removing grinding wheel Fan 3 Insert the new grinding wheel and reinstall the components removed in Step 2 in reverse 4 Secure the cover with the cap screw removed in Step 1 Grinding Wheel...

Страница 23: ...a tion or noisy opera tion 1 Motor or component is loose 2 Motor shaft is bent 1 Inspect replace stripped or damaged bolts nuts and re tighten with thread locking fluid 2 Test with dial indicator and replace motor Sharpening Operations Symptom Possible Cause Possible Solution Drill bit will not fit into collet 1 Wrong size collet 1 Select a larger collet Page 14 Drill bit moves in collet 1 Collet ...

Страница 24: ...t into workpiece 1 Bit has no back relief grind 2 Heel is higher than cutting lip or is curved up 1 Follow instructions for grinding a back relief to improve drill bit performance Page 14 2 Regrind the point angle until it is correct If the heel is curved up follow instructions for grinding a back relief Notch on collet holder will not fit into grinding area flange edge Bit retains unground materi...

Страница 25: ...H8203 Professional Drill Sharpening Machine 23 Wiring Diagram Figure 30 H8203 wiring components ...

Страница 26: ... 24 H8203 Professional Drill Sharpening Machine Parts Breakdown LABEL PLACEMENT 100 101 102 103 104 105 106 107 110 108 109 ...

Страница 27: ... 53 PSS51M SET SCREW M4 7 X 8 20 PH8203020 CALIBRATING DEVICE COVER 54 PH8203054 FUSE 5A 21 PH8203021 GRINDING WHEEL COVER 55 PH8203055 LIMIT SWITCH 22 PH8203022 MOTOR COVER 100 PH8203100 READ MANUAL LABEL 2 3 4 X 1 1 2 24 PH8203024 HANDLE 101 PH8203101 DISCONNECT POWER LABEL 2 3 4 X 1 1 2 25 PH8203025 CALIBRATING DIAL 102 PH8203102 KEEP COVER CLOSED LABEL 2 3 4 X 1 1 2 26 PSB41M CAP SCREW M4 7 X ...

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Страница 31: ...the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the outside as well as t...

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