Grizzly G0972 Owner's Manual
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Grizzly G0972 Owner's Manual

3" x 78" knife-making grinder
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MODEL G0972
3" X 78" KNIFE-MAKING
GRINDER
OWNER'S MANUAL
(For models manufactured since 10/23)
COPYRIGHT © APRIL, 2024 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.
#CS23122 PRINTED IN CHINA
V1.04.24
***Keep for Future Reference***

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Summary of Contents for Grizzly G0972

  • Page 1 (For models manufactured since 10/23) COPYRIGHT © APRIL, 2024 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. #CS23122 PRINTED IN CHINA V1.04.24...
  • 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 ......40 Contact Info ........... 2 SECTION 6: MAINTENANCE ......41 Manual Accuracy ........... 2 Schedule ............41 Identification ........... 3 Cleaning & Protecting ........41 Controls & Components ......... 4 Emptying Spark Trap ........

  • Page 4: Introduction

    ID label (see below). This information is required for us to provide proper tech support, and it helps us determine if updated documentation is available for your machine. Manufacture Date Serial Number Model G0972 (Mfd. Since 10/23)

  • Page 5: Identification

    S. Motor Drive Wheel For Your Own Safety Read Instruction Manual Before Operating Sander a) Wear eye protection. b) Support workpiece with tool rest. c) Maintain ⁄ in. maximum clearance between tool rest and abrasive belt. Model G0972 (Mfd. Since 10/23)

  • Page 6: Controls & Components

    OFF and disables power when pressed. shaft to reposition it as needed. Twist clockwise to reset. E. Master Power Switch: Turns incoming power ON (I) and OFF (0). Model G0972 (Mfd. Since 10/23)
  • Page 7 This shield is not a substitute for belt support. personal protective equipment. Table Tilt Lock Handle: Loosen to adjust Spark Trap: Collects sparks and grinding table angle and tighten to secure. dust during operations. Model G0972 (Mfd. Since 10/23)
  • Page 8 S. Fixed Vise Jaw: Helps hold workpiece dur- ing notching operations. Adjustable Vise Jaw: Secures workpiece against fixed vise jaw during notching operations. U. Vise Leadscrew Handle: Adjusts adjustable vise jaw in relation to fixed vise jaw. Model G0972 (Mfd. Since 10/23)

  • Page 9: Machine Data Sheet

    SHEET Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G0972 3" X 78" KNIFE-MAKING GRINDER MODEL G0972 3" X 78" KNIFE MAKING GRINDER Product Dimensions: Weight................................276 lbs. Width (side-to-side) x Depth (front-to-back) x Height..............32-1/2 x 45 x 49 in.
  • Page 10 The information contained herein is deemed accurate as of 3/4/2024 and represents our most recent product specifications. Model G0972 PAGE 2 OF 2 Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased. Model G0972 (Mfd. Since 10/23)

  • Page 11: Section 1: Safety

    Never operate under the influence of drugs or injury or blindness from flying particles. Everyday alcohol, when tired, or when distracted. eyeglasses are NOT approved safety glasses. Model G0972 (Mfd. Since 10/23)
  • Page 12 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. -10- Model G0972 (Mfd. Since 10/23)

  • Page 13: Additional Safety For Metal Belt Grinders

    Keep all guards in place and closed; DO damaged. Rotating belt can remove skin quickly. Always keep hands away from moving belt during NOT wear loose clothing, gloves, or jewelry; and operation. tie back long hair. -11- Model G0972 (Mfd. Since 10/23)

  • Page 14: 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. -12- Model G0972 (Mfd. Since 10/23)
  • Page 15 Minimum Gauge Size ......16 AWG all local codes and ordinances. Maximum Length (Shorter is Better) ..50 ft. -13- Model G0972 (Mfd. Since 10/23)

  • Page 16: Section 3: Setup

    IMPORTANT: Save all packaging materials until you are completely satisfied with the machine and have resolved any issues between Grizzly or the shipping agent. You MUST have the original pack- aging to file a freight claim. It is also extremely helpful if you need to return your machine later.

  • Page 17: Inventory

    Often, these items get lost in packaging materials while unpack- ing or they are pre-installed at the factory. Machine (Figure 10) A. Grinder ............1 Figure 11. Loose item inventory. Figure 10. Machine inventory. -15- Model G0972 (Mfd. Since 10/23)

  • Page 18: Cleanup

    Figure 12. T23692 Orange Power Degreaser. Repeat Steps 2–3 as necessary until clean, then coat all unpainted surfaces with a quality metal protectant to prevent rust. -16- Model G0972 (Mfd. Since 10/23)

  • Page 19: Site Considerations

    Shadows, glare, or strobe effects that may distract access restricted location. or impede the operator must be eliminated. Frame Vertical Frame Horizontal Electrical Connection 45" 45" " = Min. 30 32½" 30" Figure 13. Minimum working clearances. -17- Model G0972 (Mfd. Since 10/23)

  • Page 20: Assembly

    Remove (2) cap screws, lock washers, and flat washers shown in Figure 14. Lifting Strap Lifting Strap Location Location Figure 16. Lifting strap locations. Figure 14. Machine as shipped. -18- Model G0972 (Mfd. Since 10/23)
  • Page 21 (see Step 7. Figure 20). Tool Rest Abrasive Belt Belt Rotation Arrow Figure 18. Platen tool rest positioned for operation. Figure 20. Abrasive belt installed around wheels. -19- Model G0972 (Mfd. Since 10/23)

  • Page 22: Anchoring To Floor

    15. Turn belt tension crank counterclockwise until rubber pad on end of crank no longer presses Figure 23. Popular method for anchoring against machine frame. This will release machinery to a concrete floor. spring tension and tension belt. -20- Model G0972 (Mfd. Since 10/23)

  • Page 23: Test Run

    — If belt tracks centered on wheels, proceed to Step 6. — If belt does not track centered on wheels, proceed to Step 4. -21- Model G0972 (Mfd. Since 10/23)
  • Page 24 Button Dial machine is running. 14. Once belt tracks centered on wheels, slowly turn variable-speed dial back and forth to test variable-speed function. Figure 26. Location of control panel controls. -22- Model G0972 (Mfd. Since 10/23)
  • Page 25 Notching Attachments on Page 36. — If machine does start, immediately turn it OFF and disconnect power. Safety feature of stop button is NOT working properly and must be replaced before further using machine. -23- Model G0972 (Mfd. Since 10/23)

  • Page 26: Section 4: Operations

    Regardless of the content in this sec- later in this manual are easier to understand. tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. Due to the generic nature of this overview, it is not intended to be an instructional guide.

  • Page 27: Workpiece Inspection

    Always support workpiece against tool rest when grinding if possible. Use extreme care to provide a safe distance between belt and any body part. -25- Model G0972 (Mfd. Since 10/23)

  • Page 28: Choosing Abrasive Belts

    Ferrous metals, some steels. Ceramic Aggressive grinding; deburring. Heat-sensitive metals. Silicon Carbide Cutting; stock removal; wet or dry grinding. Cast iron, Figure 29. Example of perpendicular grinding steel, non-ferrous metals. with frame in vertical position. -26- Model G0972 (Mfd. Since 10/23)
  • Page 29 Tilt frame to vertical or horizontal position, machine frame to lower machine frame then re-install fasteners removed in Step 2. when upper machine frame is in vertical position could result in loss of control and serious personal injury. -27- Model G0972 (Mfd. Since 10/23)

  • Page 30: Tracking Belt

    Adjust hex nut on belt tracking knob without moving knob so it contacts frame to secure Figure 34. Belt direction of operation (contact tracking setting. wheel grinding attachment installed). -28- Model G0972 (Mfd. Since 10/23)

  • Page 31: Installing Contact Wheel Grinding Attachment

    (see Figure 38). Belt Tension Crank Abrasive Belt Belt Rotation Figure 36. Location of belt tension crank. Contact Wheel Arrow Grinding Attachment Figure 38. Contact wheel grinding attachment and abrasive belt installed. -29- Model G0972 (Mfd. Since 10/23)
  • Page 32 Figure 40. Location of rubber pad on belt tension crank. Figure 42. Spark trap installed on table arm. Refer to Tracking Belt on Page 28 to ensure abrasive belt tracks correctly on con- tact wheel, idler wheel, and drive wheel. -30- Model G0972 (Mfd. Since 10/23)

  • Page 33: Adjusting Table Tilt

    Adjust frame tilt, as desired (refer to Changing Frame Tilt on Page 26). To adjust table tilt: DISCONNECT MACHINE FROM POWER! Loosen table tilt lock handle (see Figure 43), adjust table tilt between 0–45º, then tighten handle to secure. -31- Model G0972 (Mfd. Since 10/23)

  • Page 34: Installing Platen Grinding Attachment

    Note: Tension spring will wear with use. Increase number of crank turns as needed to fully release belt tension. Belt Tension Crank Figure 45. Feeding workpiece correctly. Figure 46. Location of belt tension crank. -32- Model G0972 (Mfd. Since 10/23)
  • Page 35 Arrow Attachment Figure 48. Platen grinding attachment and Refer to Tracking Belt on Page 28 to abrasive belt installed. ensure abrasive belt tracks correctly on plat- en wheels, idler wheel, and drive wheel. -33- Model G0972 (Mfd. Since 10/23)

  • Page 36: Adjusting Platen Tilt

    Tools Needed Hex Wrench 6mm ..........1 Wrench or Socket 13mm ........1 Figure 52. Table removed from table arm. -34- Model G0972 (Mfd. Since 10/23)
  • Page 37 Tool rest must always be adjusted within ⁄ " of belt to reduce risk of fingers or workpiece being drawn into gap. — If tool rest must be removed for operation, proceed to Step 6. Figure 56. Feeding workpiece correctly. -35- Model G0972 (Mfd. Since 10/23)

  • Page 38: Slack Belt Grinding

    Adjust frame tilt so frame is vertical (refer to Adjust frame tilt, as desired (refer to Changing Changing Frame Tilt on Page 26). Frame Tilt on Page 26). Connect machine to power, turn it ON, and adjust machine to desired speed. -36- Model G0972 (Mfd. Since 10/23)
  • Page 39 (2) upper slot lock handles. Abrasive Belt Upper Slot Lock Handles Attachment Arm Lock Handle Profile Roller (1 of 6) Figure 60. Location of attachment arm lock handles. Figure 62. Profile roller moved forward. -37- Model G0972 (Mfd. Since 10/23)

  • Page 40: Pipe Notching

    11. Install spark trap on (2) magnets on pipe vise arm, as shown in Figure 64. The Model G0972 comes with a 0.964" (24.48mm) profile roller. Refer to ACCESSORIES on Page 12. Position pipe vise arm as needed to line up 40 for a set of rollers with a variety of sizes.
  • Page 41 Figure 67. Pipe secured in vise jaws. Loosen vise angle lock handle (see Figure 68), rotate vise to desired angle of notch (in relation to profile roller), then tighten lock handle to secure. Figure 69. Feeding workpiece correctly. -39- Model G0972 (Mfd. Since 10/23)

  • Page 42: Section 5: Accessories

    1.965" (49.91mm), 2.465" (62.61mm), and 2.965" To reduce this risk, only install accessories (75.31mm). recommended for this machine by Grizzly. NOTICE Refer to our website or latest catalog for additional recommended accessories. Zirconia Belts Zirconia alumina belts are great for finishing and can be used for wet or dry grinding.

  • Page 43: Section 6: Maintenance

    Monthly Maintenance • Lubricate frame tilt hinges. metal container stored away from fire hazards • Clean and lubricate vise slide shafts and until you are ready to do so. leadscrew. -41- Model G0972 (Mfd. Since 10/23)

  • Page 44: Replacing Belts

    Model Mineral Spirits ........As Needed G0972. Lower grits will provide a finer finish while higher grits will supply quick material removal. Move the vise as necessary to access the full length of the slide shafts (see Figure 73) and Required Belt Size......

  • Page 45: Section 7: Service

    3. Inspect drive wheel. Replace or tighten if necessary. 4. Motor fan rubbing on fan cover. 4. Fix/replace fan cover; replace loose/damaged fan. 5. Motor bearings at fault. 5. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement. -43- Model G0972 (Mfd. Since 10/23)
  • Page 46 1. Use tool rest (Page 34) or table (Page 31) to frequently gets support workpiece. pulled out of 2. Starting workpiece on a leading corner. 2. Start workpiece on a trailing corner. your hands. -44- Model G0972 (Mfd. Since 10/23)

  • Page 47: Adjusting Platen To Wheels

    Re-install front cap screw, (2) flat washers, and (1) lock nut. Remove abrasive belt. Figure 76. Location of platen adjustment cap screws. Adjust frame tilt so frame is horizontal (refer to Changing Frame Tilt on Page 26). -45- Model G0972 (Mfd. Since 10/23)

  • Page 48: 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. -46- Model G0972 (Mfd. Since 10/23)

  • Page 49: Wiring Diagram

    300W 70Ω 13 14 L N 2 3 3 4 4 5 6 0 10 11 12 13 14 13 14 +24V +24V SGND SG– +10V +24V DELTA VFD11AMS21ANSAA READ ELECTRICAL SAFETY -47- Model G0972 (Mfd. Since 10/23) ON PAGE 46!

  • Page 50: Electrical Components

    Electrical Components Figure 77. Control panel wiring. Figure 78. Motor junction box wiring. Figure 80. Master power switch and electrical cabinet wiring. Figure 79. EMERGENCY STOP button wiring. READ ELECTRICAL SAFETY -48- Model G0972 (Mfd. Since 10/23) ON PAGE 46!

  • Page 51: Section 9: Parts

    SECTION 9: PARTS We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown are available for purchase. Call (800) 523-4777 or visit www.grizzly.com/parts to check for availability. Main 107 108 58 59...
  • Page 52 CONTACT WHEEL SHAFT P0972111 BELT 3" X 79" 80-GRIT (5-PK) P0972056 EYE SHIELD BRACKET (WHEEL) P0972112 POWER CORD 14G 3W 98" 6-15P -50- BUY PARTS ONLINE AT GRIZZLY.COM! Model G0972 (Mfd. Since 10/23) Scan QR code to visit our Parts Store.

  • Page 53: Electrical Cabinet

    CIRCUIT BREAKER JUCHE DZ47-63 C16 P0972211 TERMINAL BAR 16P DIN35 20-14G P0972223 CIRCUIT BREAKER JUCHE DZ47-63 C2 P0972212 BRAKING RESISTOR 300W 70OHM -51- BUY PARTS ONLINE AT GRIZZLY.COM! Model G0972 (Mfd. Since 10/23) Scan QR code to visit our Parts Store.

  • Page 54: Labels & Cosmetics

    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. -52- BUY PARTS ONLINE AT GRIZZLY.COM!

  • Page 55: 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. This is Grizzly’s sole written warranty...

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