Jet GH-2040 ZH Operating Instructions Manual page 3

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, tool post 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.
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.
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