Jet 690008 jtm-4vs mill w Guia Do Utilizador

Table of Contents

Warranty and Service .................................................................................................................................2

Introduction ...............................................................................................................................................7

Specifications ............................................................................................................................................7

Unpacking .................................................................................................................................................8

Contents of the Shipping Container..........................................................................................................8

Set-up and Installation................................................................................................................................9

Preparing the Milling Machine for Service.................................................................................................9

JTM-4VS Dimensions............................................................................................................................... 10

JTM-4VS Overview and Terminology ........................................................................................................ 11

Electrical Connections .............................................................................................................................. 12

General Electrical Cautions ................................................................................................................ 12

Wire Sizes ........................................................................................................................................ 12

Lubrication ........................................................................................................................................... 12

Operating Instructions .............................................................................................................................. 12

Operating Controls ............................................................................................................................... 12

Motor Switch ........................................................................................................................................ 12

Variable Speed Control ......................................................................................................................... 13

Spindle Brake....................................................................................................................................... 14

High-Neutral-Low Shift Lever................................................................................................................. 14

Quill Power Feed Lever......................................................................................................................... 14

Feed Rate Lever................................................................................................................................... 14

Feed Trip Cam Lever ............................................................................................................................ 15

Feed Direction Control .......................................................................................................................... 15

Coarse Feed Handle............................................................................................................................. 15

Quill Lock Lever.................................................................................................................................... 15

Micrometer Adjusting Nut ...................................................................................................................... 15

Fine Feed Handwheel ........................................................................................................................... 15

Depth Scale and Stop ........................................................................................................................... 16

Power Feed Operation .......................................................................................................................... 16

Draw Bar Operation - Changing Tooling ................................................................................................. 17

Clamping Work Piece to the Table ......................................................................................................... 17

Adjustments ............................................................................................................................................ 17

Mill Head – Left/Right Adjustment .......................................................................................................... 17

Mill Head – Fore/Aft Adjustment ............................................................................................................ 18

Positioning the Ram.............................................................................................................................. 19

Positioning the Ram Fore and Aft ....................................................................................................... 19

Positioning the Ram on its Turret........................................................................................................ 19

Gib Adjustment..................................................................................................................................... 19

Adjustment of Knee Gib ..................................................................................................................... 19

Adjustment of Saddle Gib .................................................................................................................. 19

Adjustment of Table Gib .................................................................................................................... 19

Power Feed Trip Lever Mechanism........................................................................................................ 20

Table Lead Screw Backlash Adjustment ................................................................................................ 20

Cross Feed Backlash Adjustment ....................................................................................................... 20

Longitudinal Backlash Adjustment ...................................................................................................... 20

Maintenance............................................................................................................................................ 22

Lubrication ........................................................................................................................................... 22

Periodic Maintenance Requirements .................................................................................................. 22

Replacement of Drive Motor .................................................................................................................. 23

Replacement of Vari-Speed Belt ............................................................................................................ 24

Replacement of Brake Shoes, Springs and/or Timing Belt ....................................................................... 24

Replacement of Quill Feed Clock Spring ................................................................................................ 25

Replacement Parts .................................................................................................................................. 25

Head Assembly .................................................................................................................................... 26

Parts List for Head Assembly ................................................................................................................ 27

Spindle Assembly ................................................................................................................................. 30

Base Assembly .................................................................................................................................... 34

Parts List for Base Assembly ................................................................................................................. 35