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Operating Instructions
Dremel 4000
Thank you for purchasing the Dremel 4000.
This product was designed by the many
Dremel users who passionately use their
rotary tools daily. This tool was designed to
give you the ultimate performance when
working on projects.
The Dremel 4000 is the MOST versatile
rotary tool available today. It has a wide speed
range including a high performance motor with
electronic feedback that allows the tool to
maintain its speed under load. The design of
the tool is symmetrical and contains plenty of
soft grip so the tool can be held comfortably in
many positions. The quick collet lock
mechanism makes locking the output shaft
easier for changing accessories. You will
appreciate the many applications that the
Dremel 4000 can easily tackle.
Rotary Tool Introduction
The Rotary Tool has a small, powerful electric
universal motor, is comfort able in the hand,
and is made to accept a large variety of
accessories including abrasive wheels, drill
bits, wire brushes, polishers, engraving
cutters, router bits, cutting wheels and
attachments. Accessories come in a variety of
shapes and permit you to do a number of
different jobs. As you be come familiar with the
range of accessories and their uses, you will
learn just how versatile the Rotary Tool is.
You’ll see dozens of uses you hadn’t thought
of before.
The real secret of the Rotary Tool is its speed.
To understand the advantages of its high
speed, you have to know that the standard
portable electric drill runs at speeds up to
2,800 revolutions per minute. The Rotary Tool
operates at speeds up to 35,000 revolutions
per minute. The typical electric drill is a low-
speed, high torque tool; the Rotary Tool is just
the opposite – a high-speed, low torque tool.
The major difference to the user is that in the
high speed tools, the speed combined with the
acces sory mounted in the collet does the
work. You don’t apply pressure to the tool, but
simply hold and guide it. In the low speed
tools, you not only guide the tool, but also
apply pressure to it, as you do, for example,
when drilling a hole.
It is this high speed, along with its compact
size and wide variety of special accessories
and attachments, that makes the Rotary Tool
differ ent from other tools. The speed enables
it to do jobs low speed tools cannot do, such
as cutting hardened steel, en graving glass,
etc.
Getting the most out of your Rotary Tool is a
matter of learning how to let this speed work
for you. To learn about more uses and the
versatility of Dremel accessories and
attachments refer to this Owner's Manual or
check our website at www.Dremel.com.
Using the Rotary Tool
The first step in learning to use the Rotary
Tool is to get the “feel” of it. Hold it in your
hand and feel its weight and balance. Feel the
taper of the housing. This taper permits the
Rotary Tool to be grasped much like a pen or
pencil (Figure A).
Always hold the tool away from your face.
Accessories can be damaged during handling,
and can fly apart as they come up to speed.
This is not common, but it does happen.
Practice on scrap materials first to see how
the Rotary Tool's high speed action performs.
Keep in mind that the work is done by the
speed of the tool and by the accessory in the
collet. You should not lean on or push the tool
during use.
Instead, lower the spinning accessory lightly to
the work and allow it to touch the point at
which you want cutting (or sanding or etching,
etc.) to begin. Con centrate on guiding the tool
over the work using very little pressure from
your hand. Allow the accessory to do the
work.
Usually, it is best to make a series of passes
with the tool rather than attempt to do all the
work in one pass. To make a cut, for example,
pass the tool back and forth over the work,
much as you would a small paint brush. Cut a
little material on each pass until you reach the
desired depth. For most work, the gentle touch
is best. With it, you have the best control, are
less likely to make errors, and will get the
most effi cient work out of the accessory.
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