Jet 321378, Operating Instructions And Parts Manual

Page: 7 / 56

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