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Grizzly G0971 Owner's Manual

51" electric slip roll
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MODEL G0971
51" ELECTRIC SLIP ROLL
OWNER'S MANUAL
(For models manufactured since 11/23)
COPYRIGHT © DECEMBER, 2023 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.
#KS22912 PRINTED IN CHINA
V1.12.23
***Keep for Future Reference***

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  • Page 1 (For models manufactured since 11/23) COPYRIGHT © DECEMBER, 2023 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. #KS22912 PRINTED IN CHINA V1.12.23...
  • 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 Contact Info ..........................2 Manual Accuracy .........................2 Identification ..........................3 Controls & Components ......................4 Machine Data Sheet ........................5 SECTION 1: SAFETY ........................6 Safety Instructions for Machinery ....................6 Additional Safety for Slip Rolls ....................8 SECTION 2: POWER SUPPLY ......................9 SECTION 3: SETUP ........................11 Needed for Setup ........................11 Unpacking ..........................11...

  • 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 G0971 (Mfd. Since 11/23)

  • Page 5: Identification

    Forward Pedal Upper Roller Release Lever Release Lever Lock Knob Rear Roller Radius Adjustment Handwheel (1 of 2) Thickness Adjustment Knob To reduce your risk of serious injury, read this entire manual BEFORE using machine. Model G0971 (Mfd. Since 11/23)

  • Page 6: Controls & Components

    M. Release Lever Lock Knob: Secures upper (see Figure 20 on Page 18). roller release lever. C. EMERGENCY STOP Buttons: Each button disables power to machine when pressed. To reset, twist button clockwise until it pops out. Model G0971 (Mfd. Since 11/23)

  • Page 7: Machine Data Sheet

    MACHINE DATA SHEET Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G0971 51" ELECTRIC SLIP ROLL Product Dimensions: Weight................................805 lbs. Width (side-to-side) x Depth (front-to-back) x Height..............86-1/2 x 37 x 48 in.

  • Page 8: 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 G0971 (Mfd. Since 11/23)
  • Page 9 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 G0971 (Mfd. Since 11/23)

  • Page 10: Additional Safety For Slip Rolls

    If normal safety pre- Failure to do so could result in serious per- cautions are overlooked or ignored, serious sonal injury, damage to equipment, or poor personal injury may occur. work results. Model G0971 (Mfd. Since 11/23)

  • Page 11: Section 2: Power Supply

    Model G0971 (Mfd. Since 11/23)
  • Page 12 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 G0971 (Mfd. Since 11/23)

  • Page 13: Section 3: Setup

    IMPORTANT: Save all packaging materials until weight of this machine. 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 14: Inventory

    C. Eye Bolt M8-1.25 x 72 ........ 1 D. Hex Nuts M8-1.25 ........2 E. Flat Washers 8mm ........2 Support Arm w/Safety Cable ...... 1 Figure 5. Cardboard box inventory. G. Safety Cable Support Arms......3 -12- Model G0971 (Mfd. Since 11/23)

  • Page 15: Cleanup

    Figure 6. 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. -13- Model G0971 (Mfd. Since 11/23)

  • Page 16: Site Considerations

    Shadows, glare, or strobe effects that may distract access restricted location. or impede the operator must be eliminated. Keep Area Unobstructed 37" ⁄ " Keep Area Unobstructed = Electrical Connection Figure 7. Working clearances. -14- Model G0971 (Mfd. Since 11/23)

  • Page 17: Lifting & Placing

    Motor The Model G0971 requires the use of lifting equip- ment such as a forklift, engine hoist, or boom crane. DO NOT attempt to lift or move machine without necessary assistance from other people.

  • Page 18: Anchoring To Floor

    Figure 12. Location of pre-installed fasteners (safety cable shown installed for reference). Lag Screw Flat Washer Machine Base Lag Shield Anchor Concrete Drilled Hole Figure 11. Popular method for anchoring machinery to a concrete floor. -16- Model G0971 (Mfd. Since 11/23)
  • Page 19 Install (1) eye bolt, (2) flat washers, and (2) hex nuts in support arm installed in Step 2 (see Figure 15). Note: Leave eye bolt extended for adjust- ment later in these instructions. Figure 17. Safety cable secured. -17- Model G0971 (Mfd. Since 11/23)
  • Page 20 (see Figure 21). button out to deactivate safety cable switch (see Figure 20). x 12 Safety Cable Switch Reset Button Control Pedestal Figure 21. Model G0971 assembled. Figure 19. Safety cable switch reset button. -18- Model G0971 (Mfd. Since 11/23)

  • Page 21: Test Run

    OFF and disconnect power. This resets buttons so motor can start. Safety feature of safety cable switch is NOT working properly and must be Press ON button to turn machine ON. replaced before further using machine. -19- Model G0971 (Mfd. Since 11/23)

  • Page 22: Section 4: Operations

    CW=Clockwise ects. Regardless of the content in this sec- CCW=Counterclockwise tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. Footprints indicate which foot switch pedal must be pressed.

  • Page 23: Preparation

    Press ON button to turn machine ON. Process material through machine as described in Creating Bends on Page 23. — If you want to make a loop of wire, follow instructions in Creating Cylinders on Page 24. -21- Model G0971 (Mfd. Since 11/23)

  • Page 24: Flat Rolling

    Figure 25. Turn thick- ness adjustment knob to lift lower roller until workpiece is held snug between upper and lower rollers. Figure 27. Flat rolling workpiece. Figure 25. Raising lower roller for flat rolling. -22- Model G0971 (Mfd. Since 11/23)

  • Page 25: Creating Bends

    Figure 28. Turn thick- ness adjustment knob to raise lower roller until workpiece is held snug between upper and lower rollers. Figure 30. Setting radius. Figure 28. Raising lower roller. -23- Model G0971 (Mfd. Since 11/23)

  • Page 26: Creating Cylinders

    6" diameter cylinder (see Figure 32). π C=3.14 x 6" C=18 ⁄ " Figure 31. Processing workpiece. " Dia. Workpiece ⁄ Circumference " Figure 32. Calculating circumference example. -24- Model G0971 (Mfd. Since 11/23)
  • Page 27 Figure 33. Raising lower roller. through slip roll. Continue until workpiece is completely through upper and lower rollers Press forward pedal to feed workpiece until it (see Figure 35). is approximately halfway through rollers. Figure 35. Processing workpiece. -25- Model G0971 (Mfd. Since 11/23)
  • Page 28 Step 1 with a new workpiece. Figure 36. Re-inserting workpiece. Figure 38. Finishing cylinder. Remove cylinder as described in Removing Workpiece on Page 35. Figure 37. Creating cylinder. -26- Model G0971 (Mfd. Since 11/23)

  • Page 29: Creating Cones

    SmallD=Small Diameter Large Circum. Figure 39. Example of known cone dimensions. The Model G0971 can bend cylinder and cone diameters as small as 3". Since a "true" cone requires one of the diameters to equal 0", figures and steps in this section refer to a "truncated Small Circum.
  • Page 30 ConeH=Finished Cone Height mately 6 ⁄ " (see Figure 45). RadiusH ⁄ " ⁄ " Figure 43. Radius height of flat workpiece. Figure 45. Example of calculated radius height from known diameters and overall cone height. -28- Model G0971 (Mfd. Since 11/23)
  • Page 31 TConeH=Finished True Cone Height LargeD LargeD=Large Diameter TConeH=ConeH x LargeD - SmallD TConeH=6 x 5 - 3 TConeH=6 x TConeH=6 x 2.5 TConeH=15 TConeRadiusH TConeH Figure 48. Location of finished and radius true cone heights. -29- Model G0971 (Mfd. Since 11/23)
  • Page 32 TConeRadiusH (see Figure 49). Figure 51. Using string to draw outer circumference circle. TConeRadiusH x 2 TConeRadiusH x 2 Figure 49. Workpiece with required length and width. -30- Model G0971 (Mfd. Since 11/23)
  • Page 33 Edge Line Figure 55. Straight line from center to large Figure 53. Straight line from center to outer circumference mark. circle. Measure and cut fresh piece of string or cord to length of LargeC. -31- Model G0971 (Mfd. Since 11/23)
  • Page 34 12. Turn thickness adjustment knob to adjust Figure 58. Raising lower roller. lower roller to approximately " below top roller (see Figure 57). -32- Model G0971 (Mfd. Since 11/23)
  • Page 35 It is easy to decrease radius but very difficult to increase radius later. 18. Press forward pedal to feed workpiece through machine. Continue feeding until workpiece is completely through upper and lower rollers. -33- Model G0971 (Mfd. Since 11/23)
  • Page 36 20. Slide upper roller out from upper roller brack- et (see Figure 64), remove workpiece from upper roller, then slide upper roller back into bracket. Upper Roller Upper Roller Bracket Figure 64. Example of upper roller released (workpiece removed for clarity). -34- Model G0971 (Mfd. Since 11/23)

  • Page 37: Removing Workpiece

    With a firm grasp on workpiece, press reverse pedal until workpiece is released from rollers (see Figure 70). Workpiece Figure 67. Example of upper roller released (workpiece removed for clarity). Figure 70. Workpiece reversing through rollers. -35- Model G0971 (Mfd. Since 11/23)

  • Page 38: Section 5: Accessories

    18 gauge in stainless, at up to To reduce this risk, only install accessories 150 inches per minute. recommended for this machine by Grizzly. NOTICE Refer to our website or latest catalog for additional recommended accessories.
  • Page 39 ⁄ " NPT fitting, plug the cutter into your standard 120V household power, and you're ready to go. Figure 75. G0878 40A Plasma Cutter. www.grizzly.com 1-800-523-4777 order online at or call -37- Model G0971 (Mfd. Since 11/23)

  • Page 40: Section 6: Maintenance

    To reduce risk of shock or accidental startup, always disconnect machine from power before adjustments, Cleaning the Model G0971 is relatively easy. maintenance, or service. Periodically wipe down the rollers to remove dust and debris—this ensures rust-promoting material does not remain on the bare metal surfaces.

  • Page 41: Lubrication

    (see Figure 79). Rotate rollers several times in both directions to distribute grease, then wipe away any excess and re-attach cover. Figure 81. Ball oiler locations. Figure 79. Example of slip roll gears. -39- Model G0971 (Mfd. Since 11/23)

  • Page 42: Section 7: Service

    2. Fix/replace fan cover; replace loose/damaged fan. 3. Motor bearings at fault. 3. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement. 4. Sprocket(s)/gear reducer at fault. 4. Replace sprocket(s)/rebuild gear reducer for bad gear(s)/bearing(s). -40- Model G0971 (Mfd. Since 11/23)
  • Page 43 (Page 27). one side. Workpiece 1. Lower roller is not parallel to upper roller. 1. Adjust thickness adjustment knob as necessary to does not feed align lower roller with upper roller. evenly through machine. -41- Model G0971 (Mfd. Since 11/23)

  • Page 44: 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. -42- Model G0971 (Mfd. Since 11/23)

  • Page 45: Wiring Diagram

    3 4 5 7 8 9 PE L1 L2 PE 1 2 5 6 4 5 7 8 9 Neutral To Safety Cable Switch Foot Pedal Switch ECFS-D18(B) 110 VAC Ground 5-15 Plug READ ELECTRICAL SAFETY -43- Model G0971 (Mfd. Since 11/23) ON PAGE 42!

  • Page 46: Electrical Components

    Electrical Components Figure 84. Foot switch EMERGENCY STOP button. Figure 82. Electrical compartment. Figure 85. Motor junction box. Figure 83. Safety cable switch. READ ELECTRICAL SAFETY -44- Model G0971 (Mfd. Since 11/23) ON PAGE 42!

  • Page 47: 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 29 79 61 70...
  • Page 48 CONTACTOR SCHNEIDER LC1D18B7C P0971053 CONNECTING SHAFT P0971116 FLAT WASHER 12MM P0971054 TAPER BRACKET P0971117 HEX NUT M6-1 P0971055 TAPER BRACKET PIN -46- BUY PARTS ONLINE AT GRIZZLY.COM! Model G0971 (Mfd. Since 11/23) Scan QR code to visit our Parts Store.

  • Page 49: 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. -47- BUY PARTS ONLINE AT GRIZZLY.COM!

  • Page 51: 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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