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Jet GH-1660ZX User Manual

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1
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-1660ZX Specifications

General IconGeneral
BrandJet
ModelGH-1660ZX
CategoryLathe
LanguageEnglish

Summary

1.0 Important Safety Instructions

Understand Warnings

Understand all warnings on machine and manual for safety.

Personal Safety Precautions

Remove jewelry, wear safety glasses, and appropriate clothing.

Safe Operation Practices

Maintain focus, use correct tools, and follow procedures.

Maintenance and Cleaning Safety

Disconnect power for adjustments and cleaning.

2.0 Dimensions and Mounting Hole Centers

3.0 Warranty and Service

Warranty Coverage and Limitations

Details what is covered, exclusions, and state law applicability.

Obtaining Technical Support

Instructions on how to contact technical service for assistance.

Product Warranty Periods

Lists warranty durations for different product categories.

5.0 Lathe Specifications

14-inch Lathe Specifications

Detailed technical specifications for the 14-inch lathe model.

16-inch Lathe Specifications

Detailed technical specifications for the 16-inch lathe model.

18-inch Lathe Specifications

Detailed technical specifications for the 18-inch lathe model.

22-inch Lathe Specifications

Detailed technical specifications for the 22-inch lathe model.

6.0 General Description and Nomenclature

Lathe Bed and Stand Components

Details the bed and stand construction and mounted motor.

Headstock and Chuck Assembly

Explains the headstock, spindle, and included 3-jaw chuck.

Carriage Assembly Overview

Describes the carriage, apron, saddle, cross slide, and compound rest.

Tailstock and Support Devices

Covers tailstock, steady rest, and follow rest functions.

Lathe Controls and Safety Features

Describes foot brake, chuck guard, and work lamp.

7.0 Unpacking

7.1 Contents of Shipping Container

Lists all items included in the lathe's shipping container.

8.0 Installation

8.1 Lathe Leveling Procedure

Instructions for precisely leveling the lathe for accuracy.

8.2 Final Installation Steps

Details cleaning protective surfaces and lubricating end gears.

8.3 Three-Jaw Chuck Preparation

Steps for preparing and installing the three-jaw chuck.

8.4 Break-in Period Guidelines

Recommendations for initial operation to ensure smooth break-in.

9.0 Maintenance and Lubrication

Headstock and Gearbox Lubrication

Procedures for checking and filling headstock and gearbox oil levels.

Apron and Carriage Lubrication

Steps for lubricating the apron and carriage components.

Leadscrew, Feed Rod, and Other Points

Lubrication for leadscrew, feed rod, and spindle direction controls.

Saddle, Cross Slide, Compound Rest, and Tailstock Lubrication

Daily lubrication for key carriage and tailstock components.

V-Belt Inspection and Adjustment

Guidance on checking and adjusting V-belt tension.

10.0 Coolant Preparation

11.0 Electrical Connections

11.1 Conversion to 460 Volt Operation

12.0 Controls

Control Panel Layout

Identifies and describes the main control panel components.

Spindle Speed and Feed Controls

Explains headstock gear levers and feed/lead selectors.

Directional and Threading Controls

Describes the leadscrew/feed rod directional dial and feed selectors.

Carriage and Cross Slide Controls

Details handwheels, levers, and locks for carriage movement.

Tailstock and Tool Post Controls

Explains tailstock adjustment levers and tool post clamping.

Additional Controls and Covers

Covers tailstock offset, foot brake, micro carriage stop, and bed cover.

16.0 Reference Tables

16.1 Inch Lead and Feed Table

Table detailing inch feed rates and corresponding settings.

Threading Charts

Tables for selecting settings for inch, metric, and diametral pitch threading.

Parts List and Assemblies

Stand Assembly Details

Exploded view and parts list for the lathe stand.

Brake Assembly Details

Exploded view and parts list for the brake assembly.

Bed Assembly Details

Exploded view and parts list for the lathe bed.

Headstock Assembly Details

Exploded views and parts lists for headstock components.

Gear Box Assembly Details

Exploded views and parts lists for change and quick change gear boxes.

Apron Assembly Details

Exploded views and parts lists for apron assemblies.

Carriage Assembly Details

Exploded view and parts list for the carriage assembly.

Micro and Carriage Stop Assemblies

Exploded views and parts lists for micro and carriage stops.

Tool Post and Tailstock Assemblies

Exploded views and parts lists for tool post and tailstock.

Steady Rest and Follow Rest Assemblies

Exploded views and parts lists for steady and follow rests.

Coolant & Work Light Assembly Details

Exploded view and parts list for coolant and work light.

Electrical System Components

Parts list and breakdown for the electrical cabinet and wiring.

Safety Guard Cover and Lubrication

Exploded view and parts list for safety guards and lubrication points.

Other Parts

Lists miscellaneous parts and accessories not covered in other assemblies.

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