Grizzly G0750G User Manual

MODEL G0750G
12" X 36" GUNSMITH'S LATHE
OWNER'S MANUAL
(For models manufactured since 1/13)
COPYRIGHT © APRIL, 2013 BY GRIZZLY INDUSTRIAL, INC. REVISED MAY, 2013 (BL)
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#BL15669 PRINTED IN CHINA

Grizzly G0750G Specifications

General

Brand	Grizzly
Model	G0750G
Category	Lathe
Language	English

Summary

Introduction and Identification

Machine Description

Details the features and design of the G0750G Gunsmith's Lathe.

Manual Accuracy

Explains potential differences between the manual and machine.

Contact Information

Provides Grizzly Industrial support and feedback contact details.

Component Identification

Labeled diagram showing key parts of the Model G0750G lathe.

Controls and Components

Headstock Controls

Describes the levers and dials on the headstock for operation.

Carriage Controls

Explains the controls for moving the carriage and cross slide.

Tailstock Controls

Details the operation of the tailstock quill and locking mechanisms.

Control Panel Functions

Explains the purpose of the emergency stop, power start, and jog buttons.

Machine Specifications and Features

Machine Data Sheet

Provides key technical data including dimensions, weight, and electrical requirements.

Key Machine Features

Highlights key functionalities like quick-change controls and halogen work light.

Included Accessories

Lists the standard accessories that come with the lathe.

Safety Precautions

General Machinery Safety

Covers essential safety warnings and precautions for machine operation.

Electrical Safety

Details hazards and precautions related to electrical components.

Personal Safety Gear and Practices

Emphasizes proper apparel, hearing protection, and tool handling.

Safe Operation Guidelines

Covers advice on machine usage, maintenance, and hazard awareness.

Metal Lathe Specific Safety

Provides safety advice specific to operating metal lathes.

Chuck Handling and Operation Safety

Focuses on safe practices when working with chucks.

Setup and Initialization

Power Supply Requirements

Discusses the need for a suitable power source and professional installation.

Grounding and Extension Cords

Explains the importance and procedure for proper equipment grounding.

Setup Procedures

Outlines the typical process for preparing the lathe for operation.

Inventory Check

Verifies all components shipped with the machine.

Machine Cleanup

Provides steps for cleaning the machine's rust-preventative coating.

Site Considerations

Covers weight load, space, environment, electrical, and lighting needs.

Assembly Instructions

Step-by-step guide for assembling the lathe stand and components.

Anchoring the Machine

Discusses methods for anchoring the lathe to the floor for stability.

Leveling and Lubrication

Explains the importance of leveling and initial lubrication.

Power Connection

Step-by-step instructions for connecting the lathe to the power source.

Test Run Procedure

Guide to verify machine operation and safety features after assembly.

Recommended Adjustments

Lists factory-made adjustments that should be verified for optimal performance.

Spindle Break-In Procedure

Procedure for breaking in the spindle bearings and gears.

Lathe Operations

Operations Overview

Provides a general overview of the sequence for typical lathe operations.

Chuck and Faceplate Mounting

Describes the lathe's spindle nose and how to mount chucks/faceplates.

Chuck Installation Guide

Detailed procedure for securely installing a chuck onto the spindle.

Chuck Removal and Registration

Step-by-step guide for safely detaching a chuck and using registration marks.

Scroll Chuck Clamping

Guidance on selecting and positioning jaws for secure workpiece clamping.

Chuck Jaw Reversal and 4-Jaw Chuck

Procedure for reversing jaws and mounting workpieces on a 4-jaw chuck.

Faceplate Usage

Instructions for clamping workpieces to a faceplate for non-concentric operations.

Tailstock Operation

Describes how to operate the tailstock quill for positioning and locking.

Tailstock Tooling Removal and Offsetting

Procedures for removing tooling and adjusting tailstock for taper turning.

Tailstock Alignment

Essential procedure to ensure accurate turning between centers.

Centers and Mounting

Describes dead centers and procedures for mounting them.

Tailstock Centers and Removal

Procedures for installing and removing centers from the tailstock.

Workpiece Between Centers and Drill Chuck

Guides for mounting workpieces and assembling drill chucks.

Steady Rest Installation and Use

Step-by-step guide for mounting and utilizing the steady rest.

Follow Rest and Locks

Explains the follow rest and how to use carriage and slide locks.

Compound Rest and Tool Post

How to adjust the compound rest and install tools in the tool post.

Cutting Tool Alignment

Critical steps to ensure the cutting tool is properly aligned with the spindle.

Spider and Manual Feed

Information on the spider support and manual feed handwheels.

Spindle Speed, Power Feed, and Gears

Spindle Speed Settings

How to determine and set the correct spindle speed.

Configuration Example and Power Feed

Example of speed settings and introduction to power feed.

Power Feed Controls

Explains levers and dials for controlling power feed rates and directions.

Setting Power Feed Rate

Detailed procedure for setting the desired power feed rate.

End Gears Configuration

How to set up end gears for power feed and threading operations.

End-Gear Configuration Example

A practical example demonstrating end gear setup for threading.

Threading Operations

Threading Operations Overview

Introduction to setting up the lathe for cutting threads.

Apron Threading Controls

How to use the apron controls, including the half nut lever, for threading.

Thread Dial Usage

Explains the purpose and operation of the thread dial for inch threading.

Thread Dial Chart Examples

Demonstrations showing how to use the chart for various thread pitches.

Maintenance and Lubrication

Maintenance Schedule

Covers ongoing, daily, semi-annual, and annual maintenance tasks.

Lubrication Guidelines

Details lubrication task frequency, amount, and type.

Headstock and Gearbox Lubrication

Instructions for checking and changing oil in the headstock and gearbox.

Apron, Bedways, and Leadscrew Lubrication

Guides for maintaining apron oil, bedways, and leadscrew lubrication.

Ball Oiler Lubrication

Instructions for properly lubricating the machine's ball oilers.

End Gears Lubrication

Procedure for cleaning and lubricating the end gears.

Machine Storage Procedures

Steps to properly prepare the lathe for storage and removal.

Service and Troubleshooting

Troubleshooting Guide Introduction

Overview of the section on diagnosing and resolving machine issues.

Motor and Electrical Troubleshooting

Common problems and solutions related to the motor and electrical system.

Lathe Operation Troubleshooting

Addresses common issues like vibration, bad finish, and sticky controls.

Backlash Adjustment Procedures

Step-by-step instructions for reducing play in the cross and compound slides.

Leadscrew End Play and Gib Adjustment

Procedures for removing leadscrew end play and adjusting gibs for rigidity.

Cross Slide and Saddle Gib Adjustments

Specific instructions for adjusting the cross slide and saddle gib screws.

Half Nut Adjustment

Procedure for adjusting the half nut for proper engagement during threading.

V-Belt Maintenance

Steps for checking belt tension and replacing worn V-belts.

Leadscrew Shear Pin Replacement

Procedure for replacing the shear pin that protects the leadscrew.

Feed Clutch Adjustment

How to adjust the feed clutch spring pressure for proper operation.

Gap Insert Removal and Installation

Instructions for removing and reinstalling the removable gap insert.

Spindle Bearing Preload Adjustment

Procedure to adjust spindle bearing preload for optimal finish and lifespan.

Electrical System

Wiring Safety Instructions

Critical safety warnings and precautions for working with machine wiring.

Wiring Overview and Component Index

A diagram showing the general flow of electrical connections and component locations.

Electrical Cabinet Wiring Diagram

Comprehensive wiring diagram for the electrical cabinet.

Motor Wiring Diagram

Wiring diagram specific to the spindle motor connections.

Control Panel Wiring Diagram

Diagram illustrating connections for control panel buttons and lights.

Additional Component Wiring

Wiring details for auxiliary components like work lamp and power connection.

Parts Diagrams and Lists

Parts List Introduction

Introduction to the parts list and ordering information.

Headstock Internal Gears Diagram

Exploded view illustrating the internal gear components of the headstock.

Headstock Controls Diagram

Exploded view showing the assembly of headstock controls.

Quick-Change Gearbox Diagram

Exploded view illustrating the components of the quick-change gearbox.

End Gears Diagram

Exploded view showing the assembly of the end gears.

Apron Diagram

Exploded view illustrating the components of the apron assembly.

Saddle Diagram

Exploded view illustrating the components of the saddle assembly.

Compound Rest & Tool Post Diagram

Exploded view showing the assembly of the compound rest and tool post.

Lathe Bed & Motor Diagram

Exploded view of the lathe bed and motor assembly.

Electrical Components Diagram

Diagrams and lists for various electrical components.

Machine Labels

Identification and safety labels located on the machine.

Appendix

Threading and Feed Charts

Reference charts providing settings for threading and feed operations.

Warranty Information

Warranty and Returns Policy

Details the terms and conditions of the product warranty and return process.