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Grizzly G0758 - User Manual

Grizzly G0758
52 pages
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MODEL G0758
MILL/DRILL
OWNER'S MANUAL
(For models manufactured since 02/14)
COPYRIGHT © MAY, 2014 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.
#DM16290 PRINTED IN CHINA
V1.05.14
Shown with Optional Stand
(Model T26612)

Table of Contents

Questions and Answers

  • L
    Lorraine MorrisAug 11, 2025
    Why Grizzly G0758 is breaking tools or cutters?
    • S
      Shannon ZimmermanAug 12, 2025
      If you are breaking tools or cutters with your Grizzly Drill, it could be due to: * Spindle speed or feed rate too fast. Set the spindle speed correctly or use a slower feed rate. * Cutting tool too small. Use a larger cutting tool and a slower feed rate. * Cutting tool getting too hot. Use coolant fluid or oil for the appropriate application, if possible. * Taking too big of a cut. Lessen the depth of cut and allow chips to clear. * Spindle extended too far down. Fully retract the spindle and lower the headstock to increase rigidity.
  • S
    Steven MaxwellAug 15, 2025
    How to fix workpiece that vibrates or chatters during Grizzly G0758 Drill operation?
    • J
      Jose ClineAug 15, 2025
      If your workpiece vibrates or chatters during operation with the Grizzly Drill, consider these potential causes: * Table locks not tight. Tighten down the table locks. * Workpiece not secure. Properly clamp the workpiece on the table or in a vise. * Spindle speed or feed rate too fast. Set the spindle speed correctly or use a slower feed rate. * Spindle extended too far down. Fully retract the spindle and lower the headstock to increase rigidity.
  • Y
    ycastanedaAug 20, 2025
    What to do if tool slips in spindle of Grizzly Drill?
    • A
      Alex HortonAug 20, 2025
      If the tool slips in the spindle of your Grizzly Drill, here's what you can check: * The tool may not be fully drawn up into the spindle taper. Tighten the drawbar, but be careful not to overtighten it. * There might be debris on the tool or in the spindle taper. Clean the collet and spindle taper. * You might be taking too big of a cut. Lessen the depth of cut and allow chips to clear.
  • P
    psolisAug 25, 2025
    Why Grizzly Drill table is hard to move?
    • J
      Jodi JamesAug 25, 2025
      If the table on your Grizzly Drill is hard to move, consider the following: * The table locks may be tightened down. Make sure the table locks are fully released. * Chips may have loaded up on the ways. Frequently clean away chips that load up during milling operations. * The ways may be dry and need lubrication. * Table limit stops are interfering. Check to make sure that all table limit stops are not in the way. * The gibs are too tight. Adjust gibs.
  • S
    Stephanie WalkerOct 29, 2025
    Why Grizzly Drill machine does not start or a breaker trips?
    • B
      Barbara WhitakerOct 29, 2025
      If your Grizzly Drill machine doesn't start or the breaker trips, here are a few things to check: * A blown fuse in the machine could be the reason. Replace the fuse and ensure there are no shorts. * The chuck guard might be open. Make sure to close it. * The power supply voltage may not match the circuit requirements. Ensure they match. * The plug or receptacle might be faulty or wired incorrectly. Test for good contacts and correct the wiring if necessary. * The power supply circuit breaker may have tripped, or the fuse blown. Ensure the circuit is correctly sized and free of shorts. Reset the circuit breaker or replace the fuse. * Incorrectly connected motor wires. Correct the motor wiring connections. * Open or high resistance wiring. Check for broken wires or disconnect...
  • M
    Mark KnightNov 2, 2025
    What to do if Grizzly G0758 machine stalls or is overloaded?
    • T
      troy10Nov 2, 2025
      If your Grizzly Drill machine stalls or is overloaded, it could be due to several reasons: * The feed rate or cutting speed might be too fast. Try decreasing them. * Using the wrong cutter type can cause stalling. Ensure you're using the correct cutter for the task. * The machine might be undersized for the task, or the tooling is incorrect. Use smaller or sharper tooling, reduce the feed rate or spindle speed, and use coolant fluid if possible. * Incorrectly wired motor. Ensure the motor wiring is correct. * Faulty motor bearings. Test by rotating the shaft; if there's rotational grinding or a loose shaft, the bearings need replacement. * The motor may have overheated. Clean off the motor, let it cool, and reduce the workload. * Faulty motor. Test, repair, or replace the mo...
  • R
    Richard HernandezNov 6, 2025
    Why does Grizzly Drill machine have vibration or noisy operation?
    • J
      John FosterNov 6, 2025
      If your Grizzly Drill machine is vibrating or operating noisily, check the following: * A loose motor or machine component. Inspect and replace any stripped or damaged bolts or nuts, and retighten them with thread-locking fluid. * The machine might be incorrectly mounted or sitting unevenly. Tighten or replace the mounting bolts in the bench, and relocate or shim the machine. * The motor fan might be rubbing on the fan cover. Replace the dented fan cover or damaged fan. * The workpiece might not be secure. Properly clamp the workpiece on the table or in a vise. * Excessive depth of cut. Decrease the depth of cut. * The cutter or tooling might be loose. Make sure the tooling is properly secured. * The cutter might be dull or faulty. Replace or resharpen the cutter. * The bi...

Summary

Introduction to the Grizzly G0758 Mill;Drill

Machine Description

Describes the mill/drill's features, including motor, spindle, and table specifications.

Identification of Mill;Drill Components

Controls and Components Overview

Machine Data Sheet

Section 1: Safety

Safety Instructions for Machinery

Provides essential general safety guidelines for operating machinery safely.

Additional Safety for Mills;Drills

Offers specific safety precautions tailored for mill/drill operations.

Section 2: Power Supply

Power Supply Availability and Requirements

Discusses power supply needs, circuit specifications, and current ratings for the machine.

Grounding and Extension Cords

Covers electrical grounding, plug standards, and guidelines for using extension cords.

Section 3: Setup

Site Considerations

Lifting and Placing the Machine

Provides guidance on safely lifting and positioning the machine.

Bench Mounting and Assembly

Test Run Procedure

Procedure for testing machine functions and safety features before operational use.

Spindle Break-In and Adjustments

Section 4: Operations

Operation Overview

Downfeed Controls

Explains the identification and use of downfeed mechanisms and DRO.

Headstock Movement

Table Travel and Handwheels

Installing and Removing Tooling

Spindle Speed and Determination

Section 6: Maintenance

Maintenance Schedule and Cleaning

Outlines maintenance tasks based on operating hours and procedures for cleaning the machine.

Lubrication Procedures

Lubricating Ways and Leadscrews

Lubricating Table Leadscrews and Gears

Section 7: Service

Troubleshooting Common Issues

Provides solutions for common machine malfunctions and operational problems.

Adjusting Gibs and Backlash

Brush Replacement

Section 8: Wiring

Wiring Safety Instructions

Crucial safety guidelines and warnings for electrical system work.

G0758 Wiring Overview

Grizzly G0758 Specifications

General IconGeneral
Motor1 HP
Spindle taperMT2
Spindle travel3-1/8"
Number of speeds12
Drilling capacity mild steel5/8 inch

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