8
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 lock lever
and lower the tool body until the bit just touches the flat
surface. Press the lock lever down to lock the tool body.
Now lower the stopper pole until it makes contact with
the adjusting hex bolt. The stopper pole can be moved
rapidly by depressing the fast-feed button. While
pressing the fast-feed button, raise the stopper pole until
the desired depth of cut is obtained. The depth of cut is
equal to the distance between the stopper pole and the
adjusting hex bolt. Stopper pole travel can be checked
with the scale (1 mm per graduation) on the tool body.
Minute depth adjustments can be obtained by turning
the stopper pole (1.5 mm per turn).
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.
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 20 mm at a pass
when cutting grooves. When you wish to cut
grooves more than 20 mm deep, make several
passes with progressively deeper bit settings.
•
Do not lower the knob too low. The bit will protrude
dangerously.
For the tool with knob
Fig.2
By turning the knob, the upper limit of the tool body can
be adjusted. When the tip of the bit is retracted more
than required in relation to the base plate surface, turn
the knob to lower the upper limit.
For the tool with nylon nut
Fig.3
The upper limit of the tool body can be adjusted by
turning the nylon nut. Do not lower the nylon nut too low.
The bit will protrude dangerously.
Stopper block
Fig.4
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, 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.
Switch action
For tool without lock-off button
Fig.5
CAUTION:
•
Before plugging in the tool, always check to see
that the tool is switched off.
•
Make sure that the shaft lock is released before the
switch is turned on.
•
Hold the tool firmly when turning off the tool, to
overcome the reaction.
To start the tool, move the switch lever to the I (ON)
position. To stop the tool, move the switch lever to the O
(OFF) position.
For tool with lock-off button
Fig.6
CAUTION:
•
Before plugging in the tool, always check to see
that the switch trigger actuates properly and
returns to the "OFF" position when released.
•
Make sure that the shaft lock is released before the
switch is turned on.
To prevent the switch trigger from being accidentally
pulled, a lock-off button is provided
To start the tool, push in the lock-off button and pull the
switch trigger. Release the switch trigger to stop.
Speed adjusting dial
For model 3612C only
Fig.7
The tool speed can be changed by turning the speed
adjusting dial to a given number setting from 1 to 5.
Higher speed is obtained when the dial is turned in the
direction of number 5. And lower speed is obtained when
it is turned in the direction of number 1.
This allows the ideal speed to be selected for optimum
material processing, i.e. the speed can be correctly
adjusted to suit the material and bit diameter.
Refer to the table for the relationship between the
number settings on the dial and the approximate tool
speed.
Number
min
-1
1
2
3
4
5
9,000
12,000
15,000
19,000
23,000
006450
Содержание 3612
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