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SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity with product (gained
from repeated use) replace strict adherence to safety
rules for the subject product. MISUSE or failure to
follow the safety rules stated in this instruction
manual may cause serious personal injury.
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Adjusting the depth of cut (Fig. 1)
Place the tool on a flat surface. Loosen the screw
securing the stopper pole.
Loosen the lock lever and lower the tool body until the bit
just touches the flat surface. Tighten the lock lever to lock
the tool body. (Fig. 2)
Next, lower the stopper pole until it makes contact with the
adjusting hex bolt. Align the depth pointer with the "0"
graduation.
Raise the stopper pole until the desired depth of cut is
obtained. The depth of cut is indicated on the scale (1 mm
per graduation) by the depth pointer. Then tighten the
screw to secure the stopper pole.
Now, your predetermined depth of cut can be obtained by
loosening the lock lever and then lowering the tool body
until the stopper pole makes contact with the adjusting
hex bolt. (Fig. 3)
CAUTION:
• Since excessive cutting may cause overload of the
motor or difficulty in controlling the tool, the depth of cut
should not be more than 15 mm at a pass when cutting
grooves with an 8 mm diameter bit.
• When cutting grooves with a 20 mm diameter bit, the
depth of cut should not be more than 5 mm at a pass.
When you wish to cut grooves more than 15 mm deep
with an 8 mm diameter bit or more than 5 mm deep
with a 20 mm diameter bit, make several passes with
progressively deeper bit settings.
Stopper block (Fig. 3)
The stopper block has three adjusting hex bolts which
raise or lower 0.8 mm per turn. You can easily obtain
three different depths of cut using these adjusting hex
bolts without readjusting the stopper pole.
Adjust the lowest hex bolt to obtain the deepest depth of
cut, following the method of "Adjusting depth of cut".
Adjust the two remaining hex bolts to obtain shallower
depths of cut. The differences in height of these hex bolts
are equal to the differences in depths of cut.
To adjust the hex bolts, turn the hex bolts. The stopper
block is also convenient for making three passes with
progressively deeper bit settings when cutting deep
grooves.
CAUTION:
When using a bit having total length of 60 mm or more, or
edge length of 35 mm or more, the depth of cut cannot be
adjusted as previously mentioned. To adjust, proceed as
follows:
Loosen the lock lever and carefully adjust bit protrusion
below the tool base to the desired depth of cut by moving
the tool body up or down. Then retighten the lock lever to
lock the tool body at that depth of cut. Keep the tool body
locked at this position during use. Since the bit always
protrudes from the tool base, be careful when handling
the tool.
Adjusting the lock lever (Fig. 2)
The locked position of the lock lever is adjustable. To
adjust it, remove the screw securing the lock lever. The
lock lever will come off. Set the lock lever at the desired
angle. After adjustment, tighten the lock lever clockwise.
Switch action (Fig. 4)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Installing or removing the bit (Fig. 5)
CAUTION:
• Install the bit securely. Always use only the wrenches
provided with the tool. A loose or overtightened bit can
be dangerous.
• Do not tighten the collet nut without inserting a bit.
It can lead to breakage of the collet cone.
Insert the bit all the way into the collet cone and tighten
the collet nut securely with the two wrenches.
A 6 mm or 1/4" collet cone is also provided as standard
equipment besides the 8 mm or 3/8" collet cone that is
factory installed on the tool. Use the correct size collet
cone for the bit which you intend to use.
To remove the bit, follow the installation procedure in
reverse.
OPERATION
Set the tool base on the workpiece to be cut without the
bit making any contact. Then turn the tool on and wait until
the bit attains full speed. Lower the tool body and move
the tool forward over the workpiece surface, keeping the
tool base flush and advancing smoothly until the cutting is
complete.
When doing edge cutting, the workpiece surface should
be on the left side of the bit in the feed direction. (Fig. 6)
NOTE:
• Moving the tool forward too fast may cause a poor
quality of cut, or damage to the bit or motor.
Moving the tool forward too slowly may burn and mar
the cut. The proper feed rate will depend on the bit
size, the kind of workpiece and depth of cut.
Before beginning the cut on the actual workpiece, it is
advisable to make a sample cut on a piece of scrap
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