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Grizzly T27400 Owner's Manual

Lathe tool post grinder
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For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com
We recently discovered the following mistake in the owner's manual:
•
Incorrect spindle bearing sizes shown.
This document provides the relevant updates to the owner's manual that no longer applies—aside from this
information, all other content in the owner's manual applies and MUST be read and understood for your own
safety. IMPORTANT: Keep this update with the owner's manual for future reference.
For questions or help, contact our Tech Support at (570) 546-9663 or techsupport@grizzly.com.
Correct Spindle Bearings
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28 29
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WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
READ THIS FIRST
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COPYRIGHT © DECEMBER, 2016 BY GRIZZLY INDUSTRIAL, INC.
#WK18612 PRINTED IN CHINA
Model T27400
***IMPORTANT UPDATE***
For Machines Mfd. Since 02/15
and Owner's Manual Printed 08/15
REF PART #
DESCRIPTION
29
PT27400029
BALL BEARING 6203Z
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PT27400030
BALL BEARING 6203Z
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PT27400035
BALL BEARING 6203Z
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PT27400036
BALL BEARING 6203Z

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Summary of Contents for Grizzly T27400

  • Page 1 ***IMPORTANT UPDATE*** For Machines Mfd. Since 02/15 and Owner's Manual Printed 08/15 For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com We recently discovered the following mistake in the owner's manual: • Incorrect spindle bearing sizes shown.
  • Page 2 (For models manufactured since 02/15) COPYRIGHT © AUGUST, 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. #JH17457 PRINTED IN CHINA V1.08.15...
  • Page 3 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 4: Table Of Contents

    Lubrication ..........................26 SECTION 7: SERVICE ........................27 Troubleshooting ........................27 SECTION 8: WIRING ........................29 Wiring Safety Instructions ......................29 T27400 Wiring .......................... 30 SECTION 9: PARTS ........................31 Main Breakdown........................31 Accessories ..........................33 Label Placement........................34 WARRANTY AND RETURNS ......................37...

  • Page 5: Introduction

    ID label (see below). This information is required for us to provide proper tech support, and it helps us determine if updated documenta- tion is available for your machine. Manufacture Date Serial Number Model T27400 (Mfd. Since 02/15)

  • Page 6: Identification

    ON/OFF Toggle Switch Motor Belt Guard Tool Post Mounting Hole External Wheel Guard Spindle & Quill Spindle Elevation External Bolt Grinding Wheel To reduce your risk of serious injury, read this entire manual BEFORE using machine. Model T27400 (Mfd. Since 02/15)

  • Page 7: Machine Data Sheet

    Lathe Swing Compatibility ..........................12 – 22 in. Height Range of Grinder Spindle Center Line from Compound Slide ............1 ⁄ – 2 ⁄ Mounting Hole, Slotted (Depth x Length) ......................25 x 37mm Model T27400 Model T27400 (Mfd. Since 02/15) Page 1 of 2...
  • Page 8 Toolbox with service tools 6" x ⁄ " Aluminum-oxide 60-grit external grinding wheel ⁄ " x ⁄ " Aluminum-oxide 60-grit internal grinding wheel Interchangeable spindles for external or internal grinding Model T27400 Page 2 of 2 Model T27400 (Mfd. Since 02/15)

  • Page 9: 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 T27400 (Mfd. Since 02/15)
  • Page 10 EXPERIENCING DIFFICULTIES. If at any time debris. Make sure they are properly installed, you experience difficulties performing the intend- undamaged, and working correctly BEFORE ed operation, stop using the machine! Contact our operating machine. Technical Support at (570) 546-9663. Model T27400 (Mfd. Since 02/15)

  • Page 11: Additional Safety For Lathe Tool Post Grinders

    To avoid these hazards, DO ing operation. NOT wear loose clothing, gloves, or jewelry, and tie back long hair. Keep all guards in place and secure. Model T27400 (Mfd. Since 02/15)

  • Page 12: Section 2: Power Supply

    To reduce the risk of these hazards, avoid over- loading the machine during operation and make sure it is connected to a power supply circuit that meets the specified circuit requirements. Model T27400 (Mfd. Since 02/15)
  • Page 13 Minimum Gauge Size ......16 AWG all local codes and ordinances. Maximum Length (Shorter is Better)..50 ft. -10- Model T27400 (Mfd. Since 02/15)

  • Page 14: Section 3: Setup

    Lock entrances to the shop or disable start switch or power connection to prevent SUFFOCATION HAZARD! unsupervised use. Keep children and pets away from plastic bags or packing materials shipped with this machine. Discard immediately. -11- Model T27400 (Mfd. Since 02/15)

  • Page 15: Inventory

    If you have a plastic paint scraper, scrape off as much as you can first, then wipe Figure 2. Model T27400 inventory. off the rest with the rag. Repeat Steps 2–3 as necessary until clean, then coat all unpainted surfaces with a quality metal protectant to prevent rust.

  • Page 16: Lathe Requirements

    1". If the diameter of your tool post does not allow you to secure the grinder to The Model T27400 is designed to fit on metal the compound slide without side-to-side move- lathes with a 12"–22" swing and a 1" diameter ment, make a bushing for the tool post that will tool post.

  • Page 17: Mounting On Tool Post

    Always make sure grinder The T27400 mounts directly to the tool post on is firmly secured to tool post so there is no the compound slide of the lathe. On small lathes, side-to-side or up-and-down movement.

  • Page 18: Adjusting Grinder Centerline Height

    Elevation The motor should run smoothly and without unusual problems or noises. Bolt Hex Bolt Figure 6. Adjusting spindle centerline height. When you are satisfied with adjustment, re- tighten hex bolt to secure setting. -15- Model T27400 (Mfd. Since 02/15)

  • Page 19: Section 4: Operations

    Read books/magazines or get formal training before beginning any proj- ects. Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. Keep hair, clothing, and jewelry away from mov- ing parts at all times.

  • Page 20: Lathe Rotation

    Do not store wheels in damp or wet locations. Figure 7. Correct lathe rotations. • Do not overtighten the nut when mounting the wheel. • Do not leave the wheel mounted when machine is not in use. -17- Model T27400 (Mfd. Since 02/15)

  • Page 21: Wheel Inspection

    If you see any of these, DO NOT use the wheel. The Model T27400 accepts Type 1 grinding Second, do a Ring Test. This test will give you an wheels with a ⁄...

  • Page 22: Wheel Dressing

    Secure the dresser into the tool holder by A diamond dressing tool or "dresser" has been tightening the set screw on tool holder. included with the T27400 for this purpose. Ensure tip of dresser is at or below the grind- Tools Needed ing wheel centerline (see Figure 10).

  • Page 23: Tensioning/Changing Belts

    The Model T27400 uses a flat belt for the internal grinding wheel and a V-belt for the external grind- ing wheel. Proper belt alignment is essential for...

  • Page 24: Installing Internal Wheel Spindle

    Installing External Wheel on Page 24). Note: Store the external wheel spindle in a dry, protected area (away from extreme tem- peratures) for later use. Loosen and remove belt by turning belt- tensioning cap screw counterclockwise. -21- Model T27400 (Mfd. Since 02/15)
  • Page 25 Refer to Tensioning/Changing Belts on Page 20 for belt alignment and tensioning. Remove (2) cap screws securing spindle (see Figure 12 on Page 20), allowing assem- bly to slide free of tool grinder housing. -22- Model T27400 (Mfd. Since 02/15)

  • Page 26: Installing External Wheel Spindle

    External Motor Pulley (if installed), install the external wheel spindle, and change the spindle belt. Note: The T27400 is shipped with a factory- installed external grinding wheel. Steps required for installing the external wheel are similar to the steps for installing the internal wheel. Use the...

  • Page 27: Installing External Wheel

    To install/remove external grinding wheel: guard. DISCONNECT LATHE AND GRINDER FROM POWER! Remove belt guard to access spindle. Remove cap screws securing external wheel guard cover to expose wheel spindle nut (see Figure 12). -24- Model T27400 (Mfd. Since 02/15)

  • Page 28: Section 5: Accessories

    H3789—G96 Gun Treatment 4.5 Ounce Spray ® G7408 Figure 19. Replacement external grinding wheels for the Model T27400 Tool Post Grinder. Figure 21. Recommended products for protect- ing unpainted cast iron/steel parts on machinery. -25- Model T27400 (Mfd. Since 02/15)

  • Page 29: Section 6: Maintenance

    When maintenance, or service. you are finished with the grinding operation and have removed the Model T27400 from your lathe, clean and relubricate the exposed surfaces. Schedule NOTICE For optimum performance from your machine,...

  • Page 30: Section 7: Service

    7. Motor mount loose/broken. 7. Tighten/replace. 8. Motor bearings at fault. 8. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement. 9. Motor shaft bent. 9. Test with dial indicator and replace motor. -27- Model T27400 (Mfd. Since 02/15)
  • Page 31 1. Properly re-clamp workpiece. ground unevenly. 2. Wheel surface worn or uneven. 2. Dress wheel surface. Replace wheel if necessary. 3. Wheel is damaged. 3. Replace wheel; check new wheel before using (Page 18). -28- Model T27400 (Mfd. Since 02/15)

  • Page 32: 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. -29- Model T27400 (Mfd. Since 02/15)

  • Page 33: T27400 Wiring

    (Viewed from Bottom) Ground 6-15 Plug Figure 23. Run capacitor. (As Recommended) Run Capacitor ON/OFF (Inside) Switch Junction Box Cover Motor Figure 24. T27400 component locations. Figure 26. T27400 wiring. READ ELECTRICAL SAFETY -30- Model T27400 (Mfg. Since 02/15) ON PAGE 29!

  • Page 34: Section 9: Parts

    SECTION 9: PARTS Main Breakdown 43-1 30 31 -31- Model T27400 (Mfd. Since 02/15)
  • Page 35 FLAT BELT PULLEY PT27400028 QUILL END CAP (FRONT) PT27400073 INTERNAL SPINDLE PT27400029 ANGULAR CONTACT BEARING 7203 PT27400073A INTERNAL SPINDLE ASSEMBLY PT27400030 ANGULAR CONTACT BEARING 7203 PT27400074 INT GRINDER WHEEL 3/4" X 3/4" X 1/4" A60 -32- Model T27400 (Mfd. Since 02/15)

  • Page 36: Accessories

    PT27400049 FLAT BELT 22 X 670MM PT27400056 HEX WRENCH 5MM PT27400050 WRENCH 8 X 10MM OPEN-ENDS PT27400057 HEX WRENCH 8MM PT27400051 WRENCH 12 X 14MM OPEN-ENDS PT27400058 TOOLBOX PT27400052 WRENCH 17 X 19MM OPEN-ENDS -33- Model T27400 (Mfd. Since 02/15)

  • Page 37: Label Placement

    MUST maintain the original location and readability of the labels on the machine. If any label is removed or becomes unreadable, REPLACE that label before using the machine again. Contact Grizzly at (800) 523-4777 or www.grizzly.com to order new labels. -34-...
  • Page 38 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 39 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 40: Warranty And Returns

    WARRANTY AND 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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