Makita 3620 Betriebsanleitung Seite 8

Adjusting the depth of cut (Fig. 2, 3 & 4)
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.
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 or 1/16" 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 lower-
ing 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 15 mm at a pass when
cutting grooves with an 8 mm diameter bit.
[Note: 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. 5)
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.
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 re-tighten 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 pro-
trudes from the tool base, be careful when handling
the tool.
8
Adjusting the lock lever (Fig. 6)
The locked position of the lock lever is adjustable. To
adjust it, loosen the lock lever 3/4 turn and press the
center 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 (Fig. 7)
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 trigger. Release the
trigger to stop.
Operation (Fig. 8)
• 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 work-
piece 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 direc-
tion.
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
lumber. This will show exactly how the cut will look
as well as enable you to check dimensions.
• When using the straight guide, be sure to install it
on the right side in the feed direction. This will help
to keep it flush with the side of the workpiece.
Straight guide (Fig. 9, 10 & 11)
The straight guide is effectively used for straight cuts
when chamfering or grooving.
To install the straight guide, insert the guide bars into
the holes in the tool base. Adjust the distance
between the bit and the straight guide. At the desired
distance, tighten the wing bolts to secure the straight
guide in place.
When cutting, move the tool with the straight guide
flush with the side of the workpiece.
If the distance (A) between the side of the workpiece
and the cutting position is too wide for the straight
guide, or if the side of the workpiece is not straight,
the straight guide cannot be used. In this case, firmly
clamp a straight board to the workpiece and use it as
a guide against the router base. Feed the tool in the
direction of the arrow.