Jet JTM-4VS - Manual - manualsarea.com

Page 2 - Warranty and Service

2 Warranty and Service JET ® warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time period ...

Page 3 - Table of Contents; Section

3 Table of Contents Section Page Warranty and Service ...................................................................................................................................... 2 Warnings .....................................................................................................

Page 4 - Warnings

4 Base Assembly .......................................................................................................................................... 33 Parts List for Base Assembly ..................................................................................................................

Page 7 - Unpacking; Contents of the Shipping Container; operation! Failure to comply may cause serious injury.

7 Unpacking Open shipping container and check for shipping damage. Report any damage immediately to your distributor and shipping agent. Do not discard any shipping material until the Turret Mill is assembled and running properly. Compare the contents of your container with the following parts list ...

Page 8 - Set-up and Installation; Preparing the Milling Machine for Service

8 Set-up and Installation Preparing the Milling Machine for Service 1. Remove any crating which may be cov ering the machine on the pallet. 2. Remove accessory items from the pallet or machine table. Compare these items with the list on the previous page. 3. Check the tightness of the lifting ring o...

Page 10 - JTM-4VS Overview and Terminology

10 JTM-4VS Overview and Terminology Figure 3: Overview

Page 11 - Electrical Connections; All electrical connections must; range; Lubrication; Do not operate the mill before; Operating Instructions; Operating Controls

11 Electrical Connections All electrical connections must be made by a qualified electrician! Failure to comply may cause serious injury! General Electrical Cautions This machine must be grounded in accordance with the National Electrical Code and local codes and ordinances. This work should be done...

Page 12 - Variable Speed Control

12 Figure 6 Variable Speed Control Change speed only while the spindle is turning. The v ari-speed handwheel (A, Figure 7) is used to control the spindle speed. The speeds for high and low speed ranges are displayed on the panel on the front of the mill head (B, Figure 7). All speed changes must be ...

Page 15 - Failure to comply may cause serious injury.

15 Depth Scale and Stop Referring to Figure 15: The Depth Scale and Stop are used in drilling operations to set the depth of the drilled hole. The depth scale is located on the front of the mill head. The scale consists of a Micrometer Adjusting Nut (A), Lock Nut (B), Quill Stop (C), Quill Stop Scre...

Page 16 - Mill Head – Left/Right Adjustment; Make sure the machine base is

16 Draw Bar Operation - Changing Tooling 1. Using the wrench prov ided with the machine, loosen the draw bar two or three turns (turn counterclockwise) using the draw bar hex (Figure 18). Figure 18 2. Tap the top of the draw bar with a soft-faced hammer to loosen the collet from the taper. 3. Remove...

Page 17 - Be sure to apply torque in two; Mill Head – Fore/Aft Adjustment

17 4. Before applying final torque, check to make sure the mill head is perpendicular to the worktable. 5. Set up a dial indicator in a collet and secure using the draw bar (refer to Figure 22). 6. Put the spindle drive in neutral. 7. Set the dial indicator plunger on the worktable. Zero the indicat...

Page 18 - Positioning the Ram; Positioning the Ram Fore and Aft; Gib Adjustment; Adjustment of Knee Gib

18 Positioning the Ram Positioning the Ram Fore and Aft 1. Loosen the two bolts (A, Figure 23) that lock the ram to its ways. Figure 23 2. Turn the lev er (B, Figure 23) to mov e the ram on its ways. 3. When the desired position is reached, lock the bolts (A, Figure 23) securely. Positioning the Ram...

Page 19 - Cross Feed Backlash Adjustment

19 Power Feed Trip Lever Mechanism Refer to Figure 25. The power feed trip lever mechanism will need to be adjusted if worn or whenev er any trip lever mechanism components are replaced. 1. Loosen the feed trip adjusting screw lock nut. 2. Loosen the adjusting screw until it is loose in the lever an...

Page 21 - Maintenance; Periodic Maintenance Requirements

21 Maintenance Before any intervention on the machine, disconnect it from the electrical supply by pulling out the plug or switching off the main switch! Failure to comply may cause serious injury. Lubrication The milling machine is equipped with a “one-shot” lubrication system. The system lubricate...

Page 22 - Replacement of Drive Motor; Disconnect electrical power to

22 Replacement of Drive Motor Refer to Figure 30 and Head Assembly in the Parts section. Figure 30 1. Operate spindle at its highest speed. Disconnect electrical power to the machine before performing any maintenance. 2. Disconnect electrical power. Remove junction box cover and disconnect wiring. T...

Page 23 - Replacement of Vari-Speed Belt

23 Replacement of Vari-Speed Belt Refer to Figures 31 and 32, and Head Assembly in the Parts section. Disconnect electrical power to the machine before performing any maintenance. 1. Remove drive motor (refer to the Replacement of Drive Motor section). 2. Remove Quill Top Cover by removing three cap...

Page 24 - Replacement of Quill Feed Clock Spring; Replacement Parts

24 Replacement of Quill Feed Clock Spring Refer to the Spindle Assembly in the Parts section. Disconnect electrical power to the machine before performing any maintenance. 1. Remove the coarse feed handle. 2. Remove the screw, hub, and key from the coarse feed shaft (ref. 172, 175, and 171). 3. Remo...

Page 26 - Parts List for Head Assembly; Description

26 Parts List for Head Assembly Index No. Part No. Description Size Qty ................. JTM4VS-HA ............ Head Assembly w/ Motor ................................... ............................................... 1 1 ............... VS-001 .................... Upper Housing .....................

Page 29 - Spindle Assembly

Page 30 - Parts List for Spindle Assembly

30 Parts List for Spindle Assembly Index No. Part No. Description Size Qty 1 ............... TS-1533042 ............ Screw ................................................................ M5 x 10 .................................. 6 2 ............... HA-002.................... Bev el Pinion W asher....

Page 33 - Base Assembly

Page 34 - Parts List for Base Assembly

34 Parts List for Base Assembly Index No. Part No. Description Size Qty 1 ............... LB-001 .................... Set Screw .......................................................... M6 x30 ................................... 2 2 ............... LB-023 .................... Gear ....................

Page 36 - Lead Screw Assembly

36 Lead Screw Assembly Index No. Part No. Description Size Qty 1 ............... TS-0571052 ............ Jam Nut ............................................................. 1/2-20UNF .............................. 3 2 ............... LT-010C .................. Handle .................................

Page 37 - One-Shot Lubrication System

37 One-Shot Lubrication System Index No. Part No. Description Size Qty ................. LT-8-A ..................... Hand Oiler Assembly (includes index #1,1A,4,5, 9) ............................................ 1 1 ............... LT-8 ........................ Hand Oiler .............................

Page 38 - Electrical Connections – Single Phase only

Page 39 - Electrical Connections – 3 Phase only

Jet JTM-4VS - Manual

Table of Contents:

Summary

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