Jet BD-920W Operating Instructions Manual page 2

3.2 General safety notes
Metalworking machines can be
dangerous if not used properly.
Therefore the appropriate general
technical rules as well as the
following notes must be observed.
Read and understand the entire
instruction manual before attempting
assembly or operation.
Keep this operating instruction close
by the machine, protected from dirt
and humidity, and pass it over to the
new owner if you part with the tool.
No changes to the machine may be
made.
Daily inspect the function and
existence of the safety appliances
before you start the machine.
Do not attempt operation in this
case, protect the machine by
unplugging the power cord.
Remove all loose clothing and
confine long hair.
Before operating the machine,
remove tie, rings, watches, other
jewellery, and roll up sleeves above
the elbows.
Wear safety shoes; never wear
leisure shoes or sandals.
Always wear the approved working
outfit.
Do not wear gloves.
Wear goggles when working
Install the machine so that there is
sufficient space for safe operation
and work piece handling.
Keep work area well lighted.
The machine is designed to operate
in closed rooms and must be placed
stable on firm and levelled ground.
Make sure that the power cord does
not impede work and cause people
to trip.
Keep the floor around the machine
clean and free of scrap material, oil
and grease.
Stay alert!
Give your work undivided attention.
Use common sense. Do not operate
the machine when you are tired.
Keep an ergonomic body position.
Maintain a balanced stance at all
times.
Do not operate the machine under
the influence of drugs, alcohol or
any medication. Be aware that
medication can change your
behaviour.
Never reach into the machine while
it is operating or running down.
Never leave a running machine
unattended. Before you leave the
workplace switch off the machine.
Keep children and visitors a safe
distance from the work area.
Do not operate the electric tool near
inflammable liquids or gases.
Observe the fire fighting and fire
alert options, for example the fire
extinguisher operation and place.
Do not use the machine in a dump
environment and do not expose it to
rain.
Work only with well sharpened tools.
Always close the chuck guard and
pulley cover before you start the
machine.
Remove the chuck key and
wrenches before machine operation.
Specifications regarding the
maximum or minimum size of the
work piece must be observed.
Do not remove chips and work piece
parts until the machine is at a
standstill.
Do not stand on the machine.
Connection and repair work on the
electrical installation may be carried
out by a qualified electrician only.
Have a damaged or worn power
cord replaced immediately.
Never place your fingers in a
position where they could contact
any rotating parts or chips.
Check the save clamping of the
work piece before starting the
machine.
Don't exceed the clamping range of
the chuck.
Work pieces longer than 3 times the
chucking diameter need to be
supported by the tailstock or a
steady rest.
Avoid small chucking diameters at
big turning diameters.
Avoid short chucking lengths.
Avoid small chucking contact.
4
Never exceed the max speed
limitation of the work holding device.
Choose a small spindle speed when
working unbalanced work pieces
and for threading and tapping
operations.
Any work piece stock extending the
rear end of the headstock must be
covered on its entire length. High
danger of injury!
Long work pieces may need a
steady rest support. A long and thin
work piece can suddenly bend at
high speed rotation.
Never move the tailstock or tailstock
quill while the machine is running.
Remove cutting chips with the aid of
an appropriate chip hook when the
machine is at a standstill only.
Never stop the rotating chuck or
work piece with your hands.
Measurements and adjustments
may be carried out when the
machine is at a standstill only.
Setup, maintenance and repair work
may only be carried out after the
machine is protected against
accidental starting by pulling the
mains plug.
3.3 Remaining hazards
When using the machine according
to regulations some remaining
hazards may still exist.
The rotating work piece and chuck
can cause injury.
Thrown and hot work pieces and
cutting chips can lead to injury.
Chips and noise can be health
hazards. Be sure to wear personal
protection gear such as safety
goggles and ear protection.
The use of incorrect mains supply or
a damaged power cord can lead to
injuries caused by electricity.
4. Machine specifications
4.1 Technical data
Swing over bed
Swing over cross slide
Centre distance
Spindle taper
Spindle nose short taper D1-38
Hole through spindle
Spindle speeds...6 110-1700 rpm
225mm
135mm
500mm
MT-3
∅20 mm