Grizzly T10875 Owner's Manual
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Grizzly T10875 Owner's Manual

3" mini grinder/buffer w/rotating shaft
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MODEL T10875
3" MINI GRINDER/BUFFER
w/ROTATING SHAFT
OWNER'S MANUAL
(For models manufactured since 01/15)
COPYRIGHT © APRIL, 2015 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.
#BB17338 PRINTED IN CHINA
V1.04.15

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Summary of Contents for Grizzly T10875

  • Page 1 (For models manufactured since 01/15) COPYRIGHT © APRIL, 2015 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. #BB17338 PRINTED IN CHINA V1.04.15...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION ..........2 SECTION 5: ACCESSORIES ......25 Contact Info............ 2 SECTION 6: MAINTENANCE ......28 Manual Accuracy ........... 2 Schedule ............28 Controls & Components ......... 3 Cleaning & Protecting ........28 Machine Data Sheet ........4 Buffing Wheels ..........

  • Page 4: Introduction

    Before calling, please write down the Manufacture Date and Serial Number stamped into the machine ID label (see below). This infor- mation helps us determine if updated documenta- tion is available for your machine. Manufacture Date Serial Number Model T10875 (Mfd. Since 01/15)

  • Page 5: Controls & Components

    Controls & Components Refer to Figure 1 and the following descriptions to become familiar with the basic controls of this machine. Figure 1. T10875 controls and components. C. Spark Deflector: Reduces amount of sparks spraying back toward the operator. To reduce your risk of D.

  • Page 6: Machine Data Sheet

    Machine Data Sheet MACHINE DATA SHEET Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL T10875 3" MINI GRINDER/BUFFER WITH ROTATING SHAFT Product Dimensions: Weight.................................. 5 lbs. Width (side-to-side) x Depth (front-to-back) x Height.............. 6-3/4 x 5-1/4 x 6-1/4 in.

  • Page 7: Section 1: Safety

    Everyday ery. Never operate under the influence of drugs or eyeglasses are NOT approved safety glasses. alcohol, when tired, or when distracted. Model T10875 (Mfd. Since 01/15)
  • Page 8 Contact our debris. Make sure they are properly installed, Technical Support at (570) 546-9663. undamaged, and working correctly. Model T10875 (Mfd. Since 01/15)

  • Page 9: Additional Safety For Grinders

    Grinding operator. on top of wheels greatly increases risk of work- piece kickback. Always grind on downward part SPINDLE NUT. Only tighten wheel spindle nut of wheel. enough to drive wheel and prevent slippage. Model T10875 (Mfd. Since 01/15)

  • Page 10: Additional Safety For Buffers

    If Failure to do so could result in serious per- normal safety precautions are overlooked or sonal injury, damage to equipment, or poor ignored, serious personal injury may occur. work results. Model T10875 (Mfd. Since 01/15)

  • Page 11: Section 2: Power Supply

    Model T10875 (Mfd. Since 01/15)

  • Page 12: Extension Cords

    Two-prong outlets do not meet the grounding requirements for this machine. Do not modify or use an adapter on the plug provided—if it will not fit the outlet, have a qualified electrician install the proper outlet with a verified ground. -10- Model T10875 (Mfd. Since 01/15)

  • Page 13: Section 3: Setup

    When you are completely satisfied with the condi- tion of your shipment, inventory the contents. SUFFOCATION HAZARD! Keep children and pets away from plastic bags or packing materials shipped with this machine. Discard immediately. -11- Model T10875 (Mfd. Since 01/15)

  • Page 14: Inventory

    L. Phillips Head Screw M4-.7 x 40 ....1 M. Flange Nut M4-.7 ........1 N. Wing Bolts M4-.7 x 10 ........ 2 Figure 3. Model T10875 grinder. Figure 5. Tool and fastener inventory. -12- Model T10875 (Mfd. Since 01/15)

  • Page 15: Site Considerations

    Lock entrances to the shop or disable start switch or power connection to prevent Lag Screw unsupervised use. Flat Washer Machine Base Workbench Figure 8. "Direct Mount" setup. -13- Model T10875 (Mfd. Since 01/15)

  • Page 16: Assembly

    Tool Rest Adjustment Using the hardware from the Inventory list on The tool rest stabilizes the workpiece when grind- Page 12, completely assemble the T10875 by ing. It must always be positioned correctly when attaching the tool rest and safety shield.

  • Page 17: Spark Deflector Adjustment

    Connect machine to power supply. Turn machine ON, verify motor operation, and then turn machine OFF. The motor should run smoothly and without unusual problems or noises. Note: A small amount of vibration during operation is normal. -15- Model T10875 (Mfd. Since 01/15)

  • Page 18: Section 4: Operations

    Regardless of the content in this sec- 11. Stops bench grinder. tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. -16- Model T10875 (Mfd. Since 01/15)

  • Page 19: Workpiece Inspection

    Workpiece Inspection Wheel Selection Some workpieces are not suitable for grinding on The Model T10875 only accepts Type 1 wheels a bench grinder. Before grinding, inspect all with a ⁄ " bore. workpieces for the following: Aluminum oxide and silicon carbide wheels are Hard Workpiece: Workpieces that are made •...

  • Page 20: Wheel Inspection

    RPM of this wheel Type-1 60 Grit Aluminum Grade L Oxide Vitrified Bond WARNING Grinding can be dangerous Visually inspect this wheel for cracks, nicks,chips Figure 13. Tapping locations when performing a ring test. -18- Model T10875 (Mfd. Since 01/15)

  • Page 21: Wheel Care

    Do not store wheels in damp or wet locations. Wheel Guard • Do not overtighten the nut when mounting the wheel. Figure 14. Fasteners securing wheel guard. • Do not leave the wheel mounted when machine is not in use. -19- Model T10875 (Mfd. Since 01/15)
  • Page 22 Troubleshooting on Page 29. Bushing Hex Nut Paper Disc Outer Flange Figure 16. Assembly order for wheel installation. -20- Model T10875 (Mfd. Since 01/15)

  • Page 23: Buffing

    Always hold workpiece firmly against tool pound that would normally be wasted on the rest while buffing. Failure to do so may cause floor. workpiece to be thrown from operator's hands, causing personal injury. -21- Model T10875 (Mfd. Since 01/15)

  • Page 24: Buffing Compound Selection

    Tripoli provides an excellent medium cut for brass, aluminum and zinc alloy. Green (Fine) — Slightly more abrasive than the extra-fine green, this green compound is great for a medium-to-fine polish with most softer metals. -22- Model T10875 (Mfd. Since 01/15)

  • Page 25: Rotating Shaft Operations

    Note: Use caution when polishing plated metals; there is a chance that thinly-plated materials could be damaged. Light pressure is all that is needed for quality work. When satisfied with results, turn machine OFF. -23- Model T10875 (Mfd. Since 01/15)

  • Page 26: Installing Bits

    Installing Bits Hand-tighten collet nut while pin wrench is inserted into locking hole. The Model T10875 uses bits and cutters with a " ⁄ diameter shaft. See the Grizzly catalog or website Tighten ⁄ of a turn with collet wrench (see for a complete listing of available bits and acces- Figure 20).

  • Page 27: Section 5: Accessories

    Cast iron handle provides To reduce this risk, only install accessories stabilizing mass for better control. recommended for this machine by Grizzly. NOTICE Refer to our website or latest catalog for additional recommended accessories.
  • Page 28 Due to their nature, colors may vary. Figure 27. Model D2499 Woodstock 3" x 40 Ply ⁄ " Spiral Sewn Buff Wheel. Figure 25. Model G2582 Buffing Compound Set. www.grizzly.com 1-800-523-4777 order online at or call -26- Model T10875 (Mfd. Since 01/15)
  • Page 29 RPM. May also be used on fresh or aged finishes. Contains no silicone. 1 qt. bottle. Figure 29. Half-mask respirator with disposable cartridge filters. Figure 31. Model H4873 Menzerna Medium Prepolish Liquid. www.grizzly.com 1-800-523-4777 order online at or call -27- Model T10875 (Mfd. Since 01/15)

  • Page 30: Section 6: Maintenance

    Refer to the instructions that accompany your dressing accessory for complete details on how Cleaning the Model T10875 is relatively easy. to properly dress a wheel. Vacuum excess debris, and wipe off the remain- ing dust with a dry cloth.

  • Page 31: Section 7: Service

    3. Grinding wheel at fault/arbor hole not 3. Dress/replace grinding wheel. round. 4. Motor bearings at fault. 4. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement. 5. Motor shaft bent. 5. Test with dial indicator and replace motor. -29- Model T10875 (Mfd. Since 01/15)
  • Page 32 2. Wheel too soft for material being ground; select harder bond. 3. Wheel diameter too small. 3. Replace wheel. 4. Bad wheel dress. 4. Dress wheel. 5. Defective wheel bonding. 5. Consult manufacturer of grinding wheel. -30- Model T10875 (Mfd. Since 01/15)

  • Page 33: Section 8: Wiring

    Technical Support at (570) 546-9663. The photos and diagrams included in this section are best viewed in color. You can view these pages in color at www.grizzly.com. -31- Model T10875 (Mfd. Since 01/15)

  • Page 34: Wiring Diagram

    Always use the wiring diagram Ground inside the motor junction box. Figure 33. ON/OFF switch. Figure 34. Run capacitor. READ ELECTRICAL SAFETY -32- Model T10875 (Mfd. Since 01/15) ON PAGE 27!

  • Page 35: Section 9: Parts

    Please Note: We do our best to stock replacement parts whenever possible, but we cannot guarantee that all parts shown here are available for purchase. Call (800) 523-4777 or visit our online parts store at www.grizzly.com to check for availability.

  • Page 36: Main Parts List

    Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes off or becomes unreadable, the owner of this machine MUST replace it in the original location before resuming operations. For replacements, contact (800) 523-4777 or www.grizzly.com. -34-...
  • Page 37 Would you recommend Grizzly Industrial to a friend? _____ Yes _____No Would you allow us to use your name as a reference for Grizzly customers in your area? Note: We never use names more than 3 times. _____ Yes _____No 10.
  • Page 38 FOLD ALONG DOTTED LINE Place Stamp Here GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend: Name_______________________________ Street_______________________________ City______________State______Zip______ TAPE ALONG EDGES--PLEASE DO NOT STAPLE...

  • Page 39: Warranty & Returns

    WARRANTY & RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance.

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