Operation - Hitachi CW 40 Instruction Manual

English
REPLACING THE BULB (FIG. S)
1. Use only a 10 watt maximum bulb. Turn the light
switch (1) OFF (O) and unplug the saw.
2. Remove old bulb. Place new bulb into socket.
WARNING
● To prevent injury resulted from heat of the light
bulb. Never touch the light bulb.
● To prevent electric shock. Never touch the bulb
socket when the plug from the power source is
connected.
ON (I) / OFF (O) SWITCH (FIG. S)
1. To turn power ON (I) or OFF (O), push the ON (I) /
OFF (O) switch (2).
VARIABLE SPEED CONTROL KNOB (FIG. S)
The variable speed control allows greater versatility to
cut a variety of materials such as wood, plastics,
non-ferrous metals, etc. Depending on the hardness
and thickness of material, the speed should be reduced
to allow the blade teeth to remove cut material from the
kerf.
1. Your saw is equipped with a variable speed control
knob (3). The blade stroke rate may be adjusted by
simply rotating the variable speed control knob (1).
To increase speed, rotate dial clockwise. To reduce
speed, rotate dial counterclockwise.
Fig. S
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OVERLOAD BREAKER (FIG. S, T)
When the motor becomes too hot during operation, the
overload breaker switch (4) will cause the motor to stop
automatically to prevent damage to the motor. Push in
the ON (I) / OFF (O) switch (2-Fig. S) to turn saw OFF
(O) and do not restart until the motor has had time to
cool. Push in the breaker switch (4) and switch the ON
(I) / OFF (O) switch (2-Fig. S) to ON (I) to start the saw.

OPERATION

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FIG. T
RECOMMENDATIONS FOR CUTTING
1. When feeding the workpiece into the blade do not
force the leading edge of the workpiece into the blade
because the blade will deflect, reducing the accuracy
of cut and possibly breaking the blade. Allow the
saw to cut material by guiding the workpiece into the
blade as it cuts.
2. The blade teeth cut material ONLY on the down
stroke.
3. You must guide the wood into the blade slowly
because the teeth of the blade are very small and
they can only remove wood when they are on the
down stroke.
4. There is a learning curve for each person who
wants to use this saw. During that period of time it is
expected that some blades will break until you learn
how to use the saw and receive the greatest benefit
from the blades.
5. Best results are achieved when cutting wood less
than one inch thick.
6. When cutting wood thicker than one inch, the user
must guide the wood very slowly into the blade and
take extra care not to bend or twist the blade while
cutting in order to maximize blade life.
7. Teeth on scroll saw blades wear out and must be
replaced frequently for best cutting results. Scroll
saw blades generally stay sharp for 1/2 to 2 hours of
cutting.
8. To get accurate cuts, be prepared to compensate for
the blade's tendency to follow the wood grain as you
are cutting.
9. This scroll saw is intended to cut wood or wood
products. Precious and non-ferrous perform well on
scroll saws that have very slow speed capability, and
should be lubricated with machine oil or beeswax.
10.When choosing a blade to use with your scroll saw,
consider very fine, narrow blades to scroll cut in
thin wood 1/4 in. thick or less. Use wider blades for
thicker materials but this will reduce the ability to cut
tight curves.
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