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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 (9/16") at a
pass when cutting grooves with an 8 mm (5/16")
diameter bit. (Note: When cutting grooves with a 20
mm (13/16") diameter bit, the depth of cut should
not be more than 5 mm (3/16") at a pass.)
When you wish to cut grooves more than 15 mm (9/
16") deep with an 8 mm (5/16") diameter bit or more
than 5 mm (3/16") deep with a 20 mm (13/16")
diameter bit, make several passes with progres-
sively deeper bit settings.
Stopper block
The stopper block has three adjusting hex bolts which
raise or lower 0.8 mm (about 1/32") 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, first loosen the hex nuts on the
hex bolts with the wrench and then turn the hex bolts.
After obtaining the desired position, tighten the hex nuts
while holding the hex bolts in that desired position. 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 (2 -
3/8") or more, or edge length of 35 mm (1 - 3/8") or
more, the depth of cut cannot be adjusted as previ-
ously mentioned. To adjust, proceed as follows:
Loosen the lock lever and carefully adjust bit protru-
sion below the tool base to the desired depth of cut
by moving the tool body up or down. Then re-
tighten the lock lever to lock the tool body at that
depth of cut. Keep the tool body locked at this posi-
tion during use. Since the bit always protrudes from
the tool base, be careful when handling the tool.
Adjusting the lock lever
1
The locked position of the lock lever is adjustable. To
adjust it, loosen the lock lever 3/4 turn and press the cen-
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1. Hex nut
ter of the lock lever. The hex nut will come out. Set the
hex nut to the desired position and tighten the lock lever.
Switch action
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
CAUTION:
•
Do not tighten the collet nut without inserting a bit,
or the collet cone will break.
Insert the bit all the way into the collet cone and tighten
the collet nut securely with the two wrenches.
To remove the bit, follow the installation procedure in
reverse.
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1. Switch trigger
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