Table Of Contents - Jet 321378 Operating Instructions And Parts Manual

9x19, 9x29-inch belt drive bench lathes
Table of Contents

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2.0 Table of Contents

1.0 IMPORTANT SAFETY INSTRUCTIONS ....................................................................................................... 2
1.1 GROUNDING INSTRUCTIONS ................................................................................................................. 2
1.2 For all tools as applicable ........................................................................................................................... 3
2.0 Table of Contents ........................................................................................................................................... 5
3.0 Introduction .................................................................................................................................................... 7
4.0 Specifications ................................................................................................................................................. 7
5.0 Unpacking ...................................................................................................................................................... 9
5.1 Contents of shipping container ................................................................................................................... 9
6.0 Setup and preparation for operation ............................................................................................................ 10
7.0 General description ...................................................................................................................................... 10
7.1 Lathe bed ................................................................................................................................................. 10
7.2 Headstock ................................................................................................................................................ 10
7.3 Carriage .................................................................................................................................................... 11
7.4 Apron ........................................................................................................................................................ 11
7.5 Tailstock ................................................................................................................................................... 12
7.6 Lead screw ............................................................................................................................................... 12
7.7 Gear box ................................................................................................................................................... 12
7.8 Drive and electrical equipment ................................................................................................................. 12
8.0 Controls ........................................................................................................................................................ 13
9.0 Operation ..................................................................................................................................................... 14
9.1 Tool set-up ............................................................................................................................................... 14
9.2 Manual turning .......................................................................................................................................... 14
9.3 Longitudinal turning with auto-feed .......................................................................................................... 14
9.4 Taper turning using tailstock off-set ......................................................................................................... 15
9.5 Taper turning by setting the top slide ....................................................................................................... 15
9.6 Turning Between Centers ......................................................................................................................... 15
9.7 Thread Cutting .......................................................................................................................................... 16
9.8 Metric Thread Cutting ............................................................................................................................... 16
10.0 Lathe Accessories ...................................................................................................................................... 17
10.1 Three jaw universal lathe chuck ............................................................................................................. 17
10.2 Four jaw independent lathe chuck .......................................................................................................... 17
10.3 Drill chuck (optional) ............................................................................................................................... 17
10.4 Morse taper arbor (optional) ................................................................................................................... 17
10.5 Live center (optional) .............................................................................................................................. 17
10.6 Steady rest ............................................................................................................................................. 18
10.7 Setting the steady rest ............................................................................................................................ 18
10.8 Follow rest .............................................................................................................................................. 18
10.9 Stand (optional) ...................................................................................................................................... 18
10.10 Four-way tool post ................................................................................................................................ 19
10.11 Change Gears ...................................................................................................................................... 19
11.0 Adjustment/replacement ................................................................................................................................ 19
11.1 Adjustment of main spindle bearings ..................................................................................................... 19
11.2 Adjustment of cross and top slide .......................................................................................................... 19
11.3 Adjustment of compound feed screw and float ...................................................................................... 20
11.4 Cross slide screw ................................................................................................................................... 20
11.5 Compound slide spindle backlash adjustment ....................................................................................... 20
11.6 Adjustment of half-nut guide ................................................................................................................... 21
11.7 Replacing the V-belt ............................................................................................................................... 21
12.0 Lubrication Schedule .................................................................................................................................. 22
13.0 Replacement Parts ..................................................................................................................................... 23
13.1.1 Headstock Assembly - Exploded View ............................................................................................... 23
13.1.2 Headstock Assembly - Parts List ........................................................................................................ 24
13.2.1 Drive Belt Assembly - Exploded View ................................................................................................ 25
13.2.2 Drive Belt Assembly - Parts List ......................................................................................................... 26
13.3.1 Belt Tension Lever - Exploded View ................................................................................................... 27
13.3.2 Belt Tension Lever - Parts List ........................................................................................................... 27
13.4.1 Change Gears - Exploded View ......................................................................................................... 28
13.4.2 Change Gears - Parts List .................................................................................................................. 28
13.5.1 Electrical - Exploded View .................................................................................................................. 29
13.5.2 Electrical - Parts List ........................................................................................................................... 30
13.6.1 Chuck Guard - Exploded View ........................................................................................................... 31
13.6.2 Chuck Guard - Parts List .................................................................................................................... 31
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This manual is also suitable for:

Bdb-929321372k321370k321379Bdb-919

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