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Jet GH-1340W User Manual

Jet GH-1340W
24 pages
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OWNER’S MANUAL
GH-1340W/1440W Lathes
JET EQUIPMENT & TOOLS, INC. P.O. BOX 1349 253-351-6000
A WMH Company Auburn, WA 98071-1349 Fax 253-939-8001
www.jettools.com e-mail jet@jettools.com M-321810 6/00

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Jet GH-1340W Specifications

General IconGeneral
BrandJet
ModelGH-1340W
CategoryLathe
LanguageEnglish

Summary

Important Information

1-Year Limited Warranty

Details the one-year limited warranty on this JET product.

Replacement Parts & Warranty Claims

Information on ordering parts, their 30-day warranty, and proof of purchase requirement.

Tool and Equipment Warranty

Comprehensive warranty terms, exclusions, and claim procedures for JET products.

Safety Warnings

General Operation Safety Precautions

Essential safety guidelines for operating the lathe, including personal protection and machine handling.

Technical Specifications

Lathe Capacities

Lists the operational capacities of the lathe, such as swing over bed and distance between centers.

Headstock and Gearbox Specs

Details specifications for the headstock, spindle, and gearbox components.

Carriage and Tailstock Specs

Provides specifications for the carriage, compound slide, and tailstock.

Miscellaneous Information

Lathe Dimensions and Weights

Provides overall dimensions, net weight, and shipping weight for the lathe models.

General Notes and Disclaimers

Contains general notes about specifications and manufacturer's right to make changes.

Shipping Container Contents

Included Lathe Components

Lists the main components included in the shipping container, such as the lathe and accessory rests.

Tool Box Contents

Lists all the tools and accessories found within the provided tool box.

Uncrating and Clean-Up

Unpacking and Initial Setup

Steps for removing the lathe from its crate and preparing it for placement.

Cleaning and Lubrication

Instructions for cleaning rust-protected surfaces and lubricating the gear assembly.

Chuck Preparation

Removing and Inspecting the Chuck

Steps for safely removing, inspecting, and cleaning the chuck and its components.

Installing the Chuck onto Spindle

Procedure for mounting the chuck onto the spindle and tightening it securely.

Lubrication

Headstock and Gearbox Lubrication

Instructions for checking oil levels, filling, and draining the headstock and gearbox reservoirs.

Lubrication Details

Apron, Leadscrew, and Tailstock Lubrication

Procedures for lubricating the apron, leadscrew/feed rod, and tailstock.

Cross Slide, Compound Rest, and Carriage Lubrication

Instructions for lubricating the ball oilers on the cross slide, compound rest, and carriage.

Coolant Preparation & Electrical Connections

Coolant Setup Procedure

Steps for preparing and adding coolant, and checking its circulation.

Electrical Power Requirements

Details power ratings and connection instructions for the lathe.

Electrical Connection Procedures

Grounding and Rotation Check

How to ensure the lathe is properly grounded and check spindle rotation direction.

Voltage Conversion (230V/460V)

Procedure for switching operation between 230V and 460V for specific models.

General Description

Lathe Bed and Headstock

Description of the lathe bed and headstock construction, materials, and features.

Carriage, Tool Post, and Apron

Description of the carriage, four-way tool post, and apron functions.

General Description Continued

Tailstock, Leadscrew, and Gear Box

Description of the tailstock, leadscrew/feed rod, and gear box components.

Steady Rest Functionality

Description of the steady rest's purpose, mounting, and setting procedure.

General Description & Controls

Follow Rest and Control Panel

Description of the follow rest and overview of the control panel components.

Headstock and Feed Levers

Explanation of headstock gear change levers and directional/selector levers.

Machine Controls

Gearbox Feed/Lead Controls

Details on gearbox levers, knobs for feed and thread selection.

Carriage and Traverse Handwheels

Operation of carriage lock, traverse hand wheels, and feed selector lever.

Half Nut and Tool Post Controls

Function of the half nut engage lever and tool post clamping lever.

Machine Controls & Break-In

Tailstock and Brake Controls

Operation of tailstock clamping, quill traverse, foot brake, and carriage stop.

Main Power Switch & Break-In

Location of main power switch and initial break-in procedure guidelines.

Operation: Feed and Thread Selection

Feed and Thread Selection Guide

How to reference gear box tables and set levers for feed and thread selection.

Change Gears Replacement Procedure

Step-by-step guide for replacing gears in the end gear compartment.

Operation: Carriage and Threading

Automatic Feed and Carriage Travel

How to engage automatic feeds for carriage and crossfeed powered movement.

Thread Cutting Procedure

Steps for setting up and performing inch and metric thread cutting operations.

Operation Tables

Metric Threading Settings

Table showing specific settings for cutting metric threads.

Inch Lead and Feed Settings

Table for setting inch leads and feed rates.

Cross Feed Settings

Table providing settings for various cross feed rates.

Compound Rest and Adjustments

Adjusting Compound Rest Angle

Procedure for setting the desired angle of the compound rest using its dial.

Saddle and Cross Slide Adjustments

How to adjust the saddle and cross slide gibs for proper drag and fit.

Tailstock and Headstock Alignment

Tailstock Locking, Offset, and Gibs

Procedures for locking the tailstock, offsetting it for tapers, and adjusting its gibs.

Headstock Alignment Procedures

Steps for checking lathe level and aligning the headstock if necessary.

Headstock Alignment & Gap Section

Adjusting Headstock Position

Steps to adjust the headstock using screws and nuts to achieve alignment.

Gap Section Removal and Installation

Procedures for removing and reinstalling the gap section from the lathe.

Belt and Tailstock Alignment

Belt Replacement and Tensioning

Steps for replacing drive belts and setting correct tension.

Tailstock Alignment to Headstock

Procedure using a dial indicator to align the tailstock with the headstock.

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