Grizzly G0678 Owner's Manual
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Grizzly G0678 Owner's Manual

Variable speed 8" x 30'' vertical mill
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MODEL G0678
VARIABLE SPEED 8" X 30"
VERTICAL MILL
OWNER'S MANUAL
(For models manufactured since 06/15)
COPYRIGHT © SEPTEMBER, 2008 BY GRIZZLY INDUSTRIAL, INC., REVISED JANUARY, 2021 (MN)
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#TS10934 PRINTED IN TAIWAN
V2.01.21

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Summary of Contents for Grizzly G0678

  • Page 1 OWNER'S MANUAL (For models manufactured since 06/15) COPYRIGHT © SEPTEMBER, 2008 BY GRIZZLY INDUSTRIAL, INC., REVISED JANUARY, 2021 (MN) WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
  • 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 ......24 Contact Info............ 2 SECTION 6: MAINTENANCE ......26 Manual Accuracy ........... 2 Schedule ............26 Identification ........... 3 Cleaning & Protecting ........26 Machine Data Sheet ........4 Lubrication ........... 26 SECTION 1: SAFETY ........

  • 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 documenta- tion is available for your machine. Manufacture Date Serial Number Model G0678 (Mfd. Since 06/15)

  • Page 5: Identification

    Identification Front Rear Figure 1. Model G0678 identification. A. Control Panel (refer to Page 17 for details) K. Base B. Coarse Downfeed Handle Splash Pan C. V-Belt Cover M. Column D. Motor 1 N. V-Belt Tension Adjustment Bolt ⁄ HP, 220V, 3-Phase E.

  • 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 G0678 8" X 30" 1‐1/2 HP VARIABLE‐SPEED VERTICAL MILL Product Dimensions: Weight................................991 lbs. Width (side-to-side) x Depth (front-to-back) x Height............... 40-1/2 x 42-3/4 x 67 in.
  • Page 7 The information contained herein is deemed accurate as of 2/4/2021 and represents our most recent product specifications. Model G0678 PAGE 2 OF 2 Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased. Model G0678 (Mfd. Since 06/15)

  • 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 G0678 (Mfd. Since 06/15)
  • 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 G0678 (Mfd. Since 06/15)

  • Page 10: Additional Safety For Milling Machines

    OFF to avoid a possible sudden startup use. This will prevent them from being thrown by once power is restored. the spindle upon startup. Model G0678 (Mfd. Since 06/15)

  • Page 11: 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 G0678 (Mfd. Since 06/15)
  • Page 12 Minimum Gauge Size ......16 AWG be performed by an electrician or qualified Maximum Length (Shorter is Better)..50 ft. service personnel, and it must comply with all local codes and ordinances. -10- Model G0678 (Mfd. Since 06/15)

  • Page 13: Section 3: Setup

    IMPORTANT: Save all packaging materials until you are completely satisfied with the machine and Like all machinery there is potential danger have resolved any issues between Grizzly or the when operating this machine. Accidents are shipping agent. You MUST have the original pack- frequently caused by lack of familiarity or aging to file a freight claim.

  • Page 14: Inventory

    Basic steps for removing rust preventative: Put on safety glasses. Coat the rust preventative with a liberal amount of cleaner/degreaser, then let it soak Figure 3. Model G0678 inventory. for 5–10 minutes. NOTICE Wipe off the surfaces. If your cleaner/degreas-...

  • Page 15: Site Considerations

    Refer to the Machine Data Sheet on Page 4 for the weight and footprint specifications of your machine. Some residential floors may require The Model G0678 is a additional reinforcement to support both the heavy machine. Serious machine and operator.

  • Page 16: Mounting To Shop Floor

    Anchor studs are stronger and more per- manent alternatives to lag shield anchors; however, they will stick out of the floor, which may cause a tripping hazard if you decide to move your machine. Figure 7. Machine mount example. -14- Model G0678 (Mfd. Since 06/15)

  • Page 17: Assembly

    Lubrication on Page 26 for detailed instruc- tions). Retaining Ring Press Emergency Stop button in. Connect machine to power by inserting power cord plug into a matching receptacle. Figure 9. Vertical crank handle properly installed. -15- Model G0678 (Mfd. Since 06/15)

  • Page 18: Spindle Break-In

    — If the machine does start, immediately operation. turn it OFF and disconnect power. The safety feature of the Emergency Stop but- ton is NOT working properly and must be replaced before further using the machine. -16- Model G0678 (Mfd. Since 06/15)

  • Page 19: Section 4: Operations

    Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. -17- Model G0678 (Mfd. Since 06/15)
  • Page 20 Use the table, saddle, and knee locks shown in Figures 13–14 to secure the table in position. Figure 15. Table limit stops and block. Limit Block Table Locks Cross Limit Stops Figure 13. Table locks. Figure 16. Cross limit stops and block. -18- Model G0678 (Mfd. Since 06/15)

  • Page 21: Head Rotation

    Always lock the head firmly in place after adjusting the rotation. Unexpected move- ment of the head during operations could cause the cutter to bind with the workpiece causing damage to the cutter and workpiece, and possible personal injury. -19- Model G0678 (Mfd. Since 06/15)

  • Page 22: Turret Rotation

    Always lock the turret firmly in place after adjusting the rotation. Unexpected move- ment of the head during operations could cause the cutter to bind with the workpiece causing damage to the cutter and workpiece, and possible personal injury. -20- Model G0678 (Mfd. Since 06/15)

  • Page 23: Setting Spindle Speed

    Use the following formula to calculate the required spindle speed (RPM) for your opera- tion: Recommended Spindle Cutting Speed (FPM) x 12 Speed Tool Dia. (in inches) x 3.14 (RPM) Double if using carbide cutting tool -21- Model G0678 (Mfd. Since 06/15)

  • Page 24: Downfeed Controls

    H. Downfeed Selector: Enables either the coarse or fine downfeed control. Tighten the selector to enable the fine downfeed handwheel, and loosen it to enable the coarse downfeed handle. Figure 24. Downfeed controls viewed from the left side. -22- Model G0678 (Mfd. Since 06/15)

  • Page 25: Loading/Unloading Tooling

    — If the tool does not release from the spindle when the drawbar unthreaded, turn the drawbar back into the tool one or two threads, then tap the top of the drawbar with a dead-blow hammer or rubber mallet until the tool releases. -23- Model G0678 (Mfd. Since 06/15)

  • Page 26: Section 5: Accessories

    To reduce this risk, only install accessories their lubricity under a variety of conditions—as recommended for this machine by Grizzly. well as reduce chatter or slip. Buy in bulk and save with 1- or 5-gallon quantities.
  • Page 27 Gun Treatment 12 oz Spray ® H3789—G96 Gun Treatment 4.5 oz Spray See the current Grizzly catalog for full specifica- ® tions. Features: 4.330" overall height (horizontal), 6.750" height to center hole (vertical), #3 Morse Taper, 0.465" T-slot width, and 117 lb. approximate shipping weight.

  • Page 28: Section 6: Maintenance

    Before adding lubricant, clean debris and grime • Lubricate the longitudinal, cross, and vertical from the devices to avoid contaminating the new leadscrews (Page 28). lubrication. DISCONNECT THE MILL FROM POWER BEFORE PERFORMING LUBRICATION! -26- Model G0678 (Mfd. Since 06/15)
  • Page 29 Raise the knee up to access the vertical bevel gears underneath the saddle, then clean and lubricate the bevel gears shown in Figure 36. Figure 34. One-shot oiler. Bevel Gears Figure 36. Vertical bevel gears. -27- Model G0678 (Mfd. Since 06/15)

  • Page 30: V-Belt Tensioning

    (see Figure 40), then re-tighten the jam nut and close the V-belt cover. Vertical Leadscrew Figure 38. Cross and vertical leadscrews. Approximately 1" Deflection Figure 40. Checking for belt deflection. -28- Model G0678 (Mfd. Since 06/15)

  • Page 31: Section 7: Service

    6. Motor fan is rubbing on fan cover. 6. Replace dented fan cover or fan. 7. Motor bearings are at fault. 7. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement. -29- Model G0678 (Mfd. Since 06/15)
  • Page 32 4. Workpiece not securely clamped to table or 4. Check that clamping is tight and sufficient for the mill vise. operation; make sure mill vise is tight to table. 5. Gibs are too loose. 5. Adjust gibs properly (Page 31). -30- Model G0678 (Mfd. Since 06/15)

  • Page 33: Adjusting Gibs

    Refer to Figures 41–43 for the locations of the table, saddle, and knee gib adjustment screws. Knee Gib Adjustment Screw (1 of 2) Figure 43. Knee gib adjustment screw (1 of 2). -31- Model G0678 (Mfd. Since 06/15)

  • Page 34: Adjusting Backlash

    Use a 5mm hex wrench to tighten or loosen the cap screws on the leadscrew nuts shown in Figures 44–45, then test the amount of backlash by slowly rocking the handwheels back-and-forth. Longitudinal Leadscrew Nut Screws Figure 44. Longitudinal leadscrew nut. Screw -32- Model G0678 (Mfd. Since 06/15)

  • Page 35: 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. -33- Model G0678 (Mfd. Since 06/15)

  • Page 36: Wiring Diagram

    (viewed from behind) Inverter KP-603A 220V Motor Wiring Rhymebus Junction Box RM6S2-2001B1 Ground Ground NEMA 6-15 Plug (As Recommended) Relay 13NO Arita MR20 220V Contactor NHD C-12D 14NO READ ELECTRICAL SAFETY -34- Model G0678 (Mfd. Since 06/15) ON PAGE 33!

  • Page 37: Electrical Component Wiring

    Electrical Component Wiring Figure 46. Control panel wiring. Figure 48. Inverter, contactor, and relay wiring. Figure 47. Motor junction box. READ ELECTRICAL SAFETY -35- Model G0678 (Mfd. Since 06/15) ON PAGE 33!

  • Page 38: 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. Head BUY PARTS ONLINE AT GRIZZLY.COM! -36- Model G0678 (Mfd.
  • Page 39 FLAT WASHER 5MM P0678034 COMPRESSION SPRING P0678066 CAP SCREW M5-.8 X 25 P0678035 LOCK PLUNGER SMALL P0678067 DRAWBAR 7/16-20 X 12-3/8 BUY PARTS ONLINE AT GRIZZLY.COM! -37- Model G0678 (Mfd. Since 06/15) Scan QR code to visit our Parts Store.

  • Page 40: Drive System

    HEX NUT M3-.5 P0678126 HEX BOLT M6-1 X 35 P0678152 HEX WRENCH 5MM P0678127 FLAT WASHER 6MM P0678153 HEX WRENCH 4MM BUY PARTS ONLINE AT GRIZZLY.COM! -38- Model G0678 (Mfd. Since 06/15) Scan QR code to visit our Parts Store.
  • Page 41 PHLP HD SCR M5-.8 X 20 P0678220 SPANNER NUT P0678242 LONGITUDINAL LEADSCREW NUT P0678221 HEX BOLT M10-1.5 X 30 P0678243 FLAT WASHER 6MM P0678222 LIMIT STOP BUY PARTS ONLINE AT GRIZZLY.COM! -39- Model G0678 (Mfd. Since 06/15) Scan QR code to visit our Parts Store.

  • Page 42: Knee & Base

    Knee & Base 326 316 365V2 BUY PARTS ONLINE AT GRIZZLY.COM! -40- Model G0678 (Mfd. Since 06/15) Scan QR code to visit our Parts Store.
  • Page 43 365V2 P0678365V2 INVERTER RHYME RM6S2 1-PH 200V V2.01.21 P0678332 GRADUATED DIAL P0678366 HANDLE P0678333 THRUST BEARING 51104 P0678367 SPLASH PAN * *Not Shown BUY PARTS ONLINE AT GRIZZLY.COM! -41- Model G0678 (Mfd. Since 06/15) Scan QR code to visit our Parts Store.

  • Page 44: 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. BUY PARTS ONLINE AT GRIZZLY.COM! -42- Model G0678 (Mfd.

  • Page 47: 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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