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Jet GH-1640ZX - User Manual

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Operation and Maintenance Instructions
ZX-Series Large Bore Lathes
Models GH-1440ZX
GH-1640ZX/1660ZX
GH-1860ZX/1880ZX
GH-2280ZX
Model GH-1440ZX shown
* For ZX-Series Lathes Parts List & Electrical Diagrams, see document M-321910-1
JET
427 New Sanford Road
LaVergne, TN 37086 Part No. M-321910
Ph.: 800-274-6848 Revision J2 08/2018
www.jettools.com Copyright © 2017 JET

Table of Contents

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Jet GH-1640ZX Specifications

General IconGeneral
Swing Over Bed16 inches
Distance Between Centers40 inches
Spindle Bore2.05 in
Motor Power2 HP
Spindle Speed Range70 - 1, 800 RPM
Motor2 HP

Summary

Important Safety Instructions

Essential Safety Precautions

Key safety guidelines covering manual comprehension, PPE, operation, and machine maintenance.

Dimensions and Mounting Hole Centers

Warranty and Service

Warranty Coverage Details

Details covered defects, exclusions, and limitations for product use.

How to Obtain Technical Support

Provides contact information and procedure for technical assistance and product info.

Warranty Period and Legal Limitations

Outlines warranty duration, state law applicability, and liability limits.

Specifications

14-Inch Lathe Specifications

Detailed specifications for the 14-inch model of the lathe.

16-Inch Lathe Specifications

Detailed specifications for the 16-inch model of the lathe.

18-Inch Lathe Specifications

Detailed specifications for the 18-inch model of the lathe.

22-Inch Lathe Specifications

Detailed specifications for the 22-inch model of the lathe.

General Description and Nomenclature

Machine Components Overview

Explains the main parts of the lathe, including bed, headstock, carriage, and components.

Accessory Components

Details various accessory components and their functions.

Unpacking

Shipping Container Contents

Lists all parts and accessories included in the lathe's shipping container.

Installation

Lathe Leveling Procedure

Detailed steps for leveling the lathe for accuracy.

Final Installation Steps

Instructions for cleaning rust protection and lubricating gears.

Three-Jaw Chuck Preparation

Procedures for installing, removing, and handling the three-jaw chuck.

Machine Break-In Procedure

Guidelines for the initial break-in period to adapt gears and bearings.

Maintenance and Lubrication

Lubrication Schedule and Procedures

Details lubrication for headstock, gearbox, apron, and leadscrew/feed rod.

Component Lubrication and V-Belt Care

Lubrication for saddle, rest, slide, tailstock; V-belt maintenance.

Coolant Preparation

Electrical Connections

Conversion to 460 Volt Operation

Steps to convert the machine's electrical system from 230V to 460V.

Controls

Headstock Control Panel

Identifies and explains the functions of the headstock control panel buttons and lights.

Spindle Speed and Feed Controls

Details how to set spindle speed, feed direction, and feed/lead selection.

Carriage and Tailstock Controls

Details handwheels, levers, locks, and adjustments for carriage and tailstock.

Operation

Operation Guidelines and Cautions

Provides guidance on cutting speeds, feeds, and essential operating cautions.

Tool Setup and Thread Cutting

Procedures for tool setup, feed selection, and thread cutting operations.

Adjustments

Chuck Jaw Reversal

Steps to reverse the three-jaw chuck jaws for larger diameter stock.

Gib Adjustments for Slides

Adjusting gibs for saddle, cross slide, and compound rest to reduce play.

Half Nut and Tailstock Adjustments

Adjusting half nut gibs and offsetting the tailstock for taper cutting.

Gap Bridge Removal

Steps for removing the gap bridge from the lathe bed.

Gap Bridge Installation and Belt Maintenance

Procedures for installing the gap bridge and maintaining V-belts.

Alignment and Nut Adjustments

Aligning tailstock to headstock and adjusting cross slide nut backlash.

Shear Pin and Steady Rest Adjustment

Replacing shear pins and adjusting the steady rest.

Follow Rest and Carriage Stop Adjustment

Adjusting the follow rest and carriage stops for proper operation.

Lubrication Schedule and General Maintenance

Headstock and Gearbox Lubrication

Lubrication schedule for headstock and gearbox oil changes.

Apron, Saddle, and Slide Lubrication

Lubrication for apron, saddle, cross slide, and compound rest.

Other Maintenance Tasks

Covers tailstock, felt cleaning, coolant, belts, and rest lubrication.

Reference Tables

Inch Lead and Feed Reference

Table detailing longitudinal and transverse feed rates in inches per revolution.

Inch Threading Chart

Chart to select threading parameters for inch threads.

Metric and Module Pitch Threading Charts

Charts for selecting metric and module pitch threading parameters.

Diametral Pitch Threading Chart

Chart for selecting diametral pitch threading parameters.

Parts List and Electrical Diagrams

Stand Assembly Details

Exploded view and part list for the lathe's stand assembly.

Brake Assembly Details

Exploded view and part list for the lathe's brake assembly.

Bed Assembly Details

Exploded view and part list for the lathe's bed assembly.

Headstock Assembly Details

Exploded views and part lists for all four headstock assembly sections.

Gear Box Assembly Details

Exploded views and part lists for all change and quick change gear boxes.

Apron Assembly Details

Exploded views and part lists for all three apron assembly sections.

Carriage Assembly Details

Exploded view and part list for the carriage assembly.

Tailstock Assembly Details

Exploded views and part lists for both tailstock assembly sections.

Steady Rest and Follow Rest Details

Exploded views and part lists for steady and follow rest assemblies.

Coolant & Work Light Assembly Details

Exploded view and part list for the coolant and work light assembly.

Electrical Cabinet Details

Parts list and breakdown diagram for the electrical cabinet.

Safety Guard Cover Details

Exploded view and part list for the safety guard cover.

Carriage Lubrication Details

Exploded view and part list for the carriage lubrication system.

Wiring Diagram

Rotary Switch Diagram

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