Makita M3700 Manual De Instrucciones página 9

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OPERATION
CAUTION:
Always hold the tool firmly with one
hand on housing. Do not touch the metal part.
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 3 mm
at a pass when cutting grooves. When you wish to cut
grooves more than 3 mm deep, make several passes
with progressively deeper bit settings.
1.
Set the tool base on the workpiece to be cut with-
out the trimmer bit making any contact.
2.
Turn the tool on and wait until the trimmer bit
attains full speed.
3.
Move the tool forward over the workpiece surface,
keeping the tool base flush and advancing smoothly
until the cutting is complete.
► Fig.4
When doing edge cutting, the workpiece surface should
be on the left side of the trimmer bit in the feed direction.
► Fig.5: 1. Workpiece 2. Bit revolving direction
3. View from the top of the tool 4. Feed
direction
When using the straight guide or the trimmer guide,
be sure to keep it on the right side in the feed direc-
tion. This will help to keep it flush with the side of the
workpiece.
► Fig.6: 1. Feed direction 2. Bit revolving direction
3. Workpiece 4. Straight guide
NOTE: Moving the tool forward too fast may cause
a poor quality of cut, or damage to the trimmer 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.
Templet guide
The templet guide provides a sleeve through which the trimmer
bit passes, allowing use of the trimmer with templet patterns.
► Fig.7
1.
Loosen the clamping screw and then remove the
guide holder and the chip deflector.
► Fig.8: 1. Clamping screw 2. Guide holder 3. Chip
deflector
2.
Loosen the screws and remove the base
protector.
► Fig.9: 1. Base protector 2. Screws
3.
Place the templet guide on the base and replace
the base protector. Then secure the base protector by
tightening the screws.
4.
Secure the templet to the workpiece. Place the
tool on the templet and move the tool with the templet
guide sliding along the side of the templet.
► Fig.10: 1. Trimmer bit 2. Base 3. Templet
4. Workpiece 5. Templet guide
NOTE: The workpiece will be cut a slightly different
size from the templet. Allow for the distance (X)
between the trimmer bit and the outside of the templet
guide. The distance (X) can be calculated by using
the following equation:
Distance (X) = (outside diameter of the templet
guide - trimmer bit diameter) / 2
Straight guide
Optional accessory
The straight guide is effectively used for straight cuts
when chamfering or grooving.
► Fig.11
1.
Attach the guide plate to the straight guide with
the bolt and the wing nut.
► Fig.12: 1. Bolt 2. Guide plate 3. Straight guide
4. Wing nut
2.
Remove the guide holder and the chip deflector
then attach the straight guide with the clamping screw.
► Fig.13: 1. Clamping screw 2. Straight guide 3. Wing
nut 4. Base
3.
Loosen the wing nut on the straight guide and adjust
the distance between the trimmer bit and the straight guide.
At the desired distance, tighten the wing nut securely.
4.
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 trimmer
base. Feed the tool in the direction of the arrow.
► Fig.14
Circular work
Circular work may be accomplished if you assemble the
straight guide and guide plate. Minimum and maximum
radius of circles to be cut (distance between the center
of circle and the center of trimmer bit) are as follows:
Mininum : 70 mm
Maximum : 221 mm
For cutting circles between 70 mm and 121 mm in
radius
► Fig.15: 1. Wing nut 2. Straight guide 3. Guide plate
4. Center hole 5. Bolt
For cutting circles between 121 mm and 221 mm in
radius
► Fig.16: 1. Wing nut 2. Straight guide 3. Guide plate
4. Center hole 5. Bolt
NOTE: Circles between 172 mm and 186 mm in
radius cannot be cut using this guide.
1.
Align the center hole in the straight guide with the
center of the circle to be cut.
2.
Drive a nail less than 6 mm in diameter into the
center hole to secure the straight guide.
3.
Pivot the tool around the nail in clockwise direction.
► Fig.17: 1. Nail 2. Center hole 3. Straight guide
9 ENGLISH
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