Jet Tools
JTM-4VS
operating instructions
Base Assembly
Specification
Install
Parts list
Warranty
Dimension
Maintenance
Head Assembly
Micrometer Adjusting Nut
Replacement of Drive Motor
Quill Power Feed Lever
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Base Assembly
33
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Contents
Part No. M-690182
Variable Speed Turret Mill
Warranty Period
Warranty and Service
Table of Contents
Page
Page
Introduction Specifications
JTM-4VS-1
690180
Unpacking
Contents of the Shipping Container
Preparing the Milling Machine for Service
Set-up and Installation
Installation Diagram
JTM-4VS Dimensions
Overview
JTM-4VS Overview and Terminology
Electrical Connections
Motor Switch
Operating Instructions
Operating Controls
Change speed only while the spindle is turning
Variable Speed Control
Spindle Brake
Quill Power Feed Lever
High-Neutral-Low Shift Lever
Feed Rate Lever
Feed Trip Cam Lever
Micrometer Adjusting Nut
Feed Direction Control
Coarse Feed Handle
Power Feed Operation
Depth Scale and Stop
CCW
Mill Head Left/Right Adjustment
Adjustments
Draw Bar Operation Changing Tooling
Clamping Work Piece to the Table
Mill Head Fore/Aft Adjustment
Positioning the Ram
Gib Adjustment
Table Lead Screw Backlash Adjustment
Power Feed Trip Lever Mechanism
Cross Feed Backlash Adjustment
Longitudinal Backlash Adjustment
Page
Periodic Maintenance Requirements
Maintenance
Replacement of Drive Motor
Replacement of Brake Shoes, Springs and/or Timing Belt
Replacement of Vari-Speed Belt
Replacement of Quill Feed Clock Spring
Replacement Parts
Head Assembly
Parts List for Head Assembly
Index No. Part No Description Size Qty
JTM4VS-HA
VS-054
JTM4VS-A002B
Spindle Assembly
Parts List for Spindle Assembly
LA-082 Overload Clutch Lockout LA-083
RINS30
Base Assembly
Parts List for Base Assembly
JTM4VS-B80
JTM4VS-B79
JTM4VS-B81
JTM4VS-B82
LT-010BSP-CHR
Lead Screw Assembly
One-Shot Lubrication System
ALMP-04-VS
JTM4VS-BUTW1458
Electrical Connections Single Phase only
Electrical Connections 3 Phase only
New Sanford Road LaVergne, Tennessee Phone
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