Introduction; Specifications - Jet 321378 Operating Instructions And Parts Manual

3.0 Introduction

This manual is provided by JET covering the safe operation and maintenance procedures for a JET Model BDB-
919/929 Bench Lathe. This manual contains instructions on installation, safety precautions, general operating
procedures, maintenance instructions and parts breakdown. This machine has been designed and constructed
to provide consistent, long-term operation if used in accordance with instructions set forth in this manual. If there
are any questions or comments, please contact either your local supplier or JET. JET can also be reached at our
web site: www.jettools.com.
This manual is not intended to be a training guide for lathe operations, or tool and workpiece selection. Consult
a machinery handbook or shop supervisor for information on proper speed and feed rates for specific materials,
or type of cutter suitable for a particular operation. Whatever accepted methods or materials are used, always
make personal safety a priority.
If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our
web site: www.jettools.com.
Retain this manual for future reference. If the machine transfers ownership, the manual should accompany it.
Read and understand the entire contents of this manual before attempting assembly or
operation! Failure to comply may cause serious injury!
Register your product using the mail-in card provided, or register online: http://www.jettools.com/us/en/service-
and-support/warranty/registration/

4.0 Specifications

Model number
Stock number
Motor and Electricals
Motor type
Horsepower
Phase
Voltage
Cycle
Listed FLA (full load amps)
Motor speed
Power cord
Power plug installed
Recommended circuit size
Sound emission without load
Capacities
Swing over bed
Swing over cross slide
Distance between centers
Steady rest capacity
Follow rest capacity
Headstock
Hole through spindle
Spindle Nose
Taper in spindle
Spindle bearing type
Number of spindle speeds
Range of spindle speeds
1
2
BDB-919
321378
TEFC induction
3/4 HP (550W)
single
115 V
60 Hz
8.5 A
1720 RPM
3 x 1.31 mm²
15A
15A
88 db
8-3/4 in.
5 in.
18 in.
14 – 1-3/4 in.
1-3/4 in.
3/4 in.
1-1/2 in. x 8 TPI
MT-3
Tapered roller
6
130 – 2000 RPM
7
BDB-929
321379
27-1/2 in.