3
2.0
Table of contents
Section
Page
1.0 Warranty and Service ..................................................................................................................................... 2
2.0 Table of contents ............................................................................................................................................ 3
3.0 Safety warnings .............................................................................................................................................. 4
4.0 About this manual .......................................................................................................................................... 5
5.0 JTM-1, JTM-2 installation layout .................................................................................................................... 6
6.0 Specifications ................................................................................................................................................. 7
7.0 JTM-1/JTM-2 Features and Terminology ....................................................................................................... 8
8.0 Setup and Assembly ...................................................................................................................................... 9
8.1 Unpacking .................................................................................................................................................. 9
8.2 Contents of shipping container ................................................................................................................... 9
8.3 Site preparation ........................................................................................................................................ 10
8.4 Lifting the mill ........................................................................................................................................... 10
8.5 Completing assembly ............................................................................................................................... 10
8.6 Lubrication ................................................................................................................................................ 11
9.0 Electrical connections .................................................................................................................................. 11
9.1 Wire Sizes ................................................................................................................................................ 11
10.0 Controls ...................................................................................................................................................... 11
11.0 Operations .................................................................................................................................................. 13
11.1 Operating precautions ............................................................................................................................ 13
11.2 Clamping workpiece to table .................................................................................................................. 13
11.3 Changing speed range ........................................................................................................................... 13
11.4 Setting up for fine hand feed .................................................................................................................. 13
11.5 Setting up for automatic feed ................................................................................................................. 14
11.6 Power feed operation ............................................................................................................................. 14
11.7 Draw bar operation; changing tooling ..................................................................................................... 15
12.0 Adjustments ............................................................................................................................................... 15
12.1 Head movement: left and right ............................................................................................................... 15
12.2 Head movement: Fore and aft ................................................................................................................ 16
12.3 Positioning ram ....................................................................................................................................... 16
12.4 Feed trip adjustment ............................................................................................................................... 16
12.5 Gib adjustment ....................................................................................................................................... 17
12.6 Table lead screw backlash adjustment .................................................................................................. 17
13.0 Maintenance ............................................................................................................................................... 19
13.1 Lubrication .............................................................................................................................................. 19
13.2 Periodic Maintenance Activities .............................................................................................................. 19
14.0 Belt position – speed ranges ...................................................................................................................... 20
15.0 Replacement Parts ..................................................................................................................................... 20
15.1.1 Upper Head Assembly – Exploded View ............................................................................................. 21
15.1.2 Upper Head Assembly – Parts List ..................................................................................................... 22
15.2.1 Head Assembly – Exploded View ....................................................................................................... 24
15.2.2 Head Assembly – Parts List ................................................................................................................ 25
15.3.1 Base Assembly – Exploded View ........................................................................................................ 28
15.3.2 Base Assembly – Parts List ................................................................................................................. 29
15.4.1 Table Leadscrew Assembly – Exploded View ..................................................................................... 31
15.4.2 Table Leadscrew Assembly – Parts List ............................................................................................. 31
15.5.1 One-Shot Lubrication System – Exploded View .................................................................................. 32
15.5.2 One-Shot Lubrication System – Parts List .......................................................................................... 32
16.0 Electrical Connections ................................................................................................................................ 33
Summary of Contents for JTM-1
Page 6: ...6 5 0 JTM 1 JTM 2 installation layout Figure 1 ...
Page 21: ...21 15 1 1 Upper Head Assembly Exploded View ...
Page 24: ...24 15 2 1 Head Assembly Exploded View ...
Page 28: ...28 15 3 1 Base Assembly Exploded View ...
Page 33: ...33 16 0 Electrical Connections ...
Page 34: ...34 This page intentionally left blank ...
Page 35: ...35 This page intentionally left blank ...
Page 36: ...36 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...