Makita 3707FC Buku Petunjuk - Halaman 6

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WARNING:

MISUSE or failure to follow the safety rules stated in

this instruction manual may cause serious personal

injury.

OPERATING INSTRUCTIONS

Installing or removing trimmer bit (Fig. 1)

Important:

Always be sure that the tool is switched off and

unplugged before installing or removing the bit.

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.

CAUTION:

• Do not tighten the collet nut without inserting a bit, or

the collet cone will break.

• Use only the wrenches provided with the tool.

Adjusting bit protrusion (Fig. 2 & 3)

To adjust the bit protrusion, loosen the lever and move

the tool base up or down as desired by pressing and

turning the adjusting roller. After adjusting, tighten the

lever firmly to secure the tool base.

Switch action (Fig. 4)

CAUTION:

Before plugging in the tool, always be sure that the tool is

switched off.

To start the tool, move the switch lever to the "I" (ON)

position. To stop the tool, move the switch lever to the "0"

(OFF) position.

The tool equipped with electronic function is easy to

operate because of the following features.

Constant speed control

For 3707FC only

Electronic speed control for obtaining constant speed.

Possible to get fine finish, because the rotating speed is

kept constant even under load condition.

Soft start

For 3707FC only

Soft-start feature minimizes start-up shock, and makes

the tool start smoothly.

Lighting up the lamps

For 3707F/3707FC only

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

• Do not look in the light or see the source of light directly.

To turn on the lamp, start the tool. Then, the lamp lights

up the top of the bit. To turn it off, stop the tool.

NOTE:

Use a dry cloth to wipe the dirt off the lens of lamp. Be

careful not to scratch the lens of lamp, or it may lower the

illumination.

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. 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. 5)

NOTE:

• Moving the tool forward too fast may cause a poor qual-

ity 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 sam-

ple 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 trimmer shoe, the straight guide or the

trimmer guide, be sure to keep it on the right side in the

feed direction. This will help to keep it flush with the

side of the workpiece. (Fig. 6)

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 sev-

eral passes with progressively deeper bit settings.

Straight guide

The straight guide is effectively used for straight cuts

when chamfering or grooving. (Fig. 7)

Attach the guide plate to the straight guide with the bolt,

the wave washer, the flat washer and the wing nut. (Fig. 8)

Attach the straight guide with the clamp screw (A).

Loosen the wing nut on the straight guide and adjust the

distance between the bit and the straight guide. At the

desired distance, tighten the wing nut securely. (Fig. 9)

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. 10)

Circular work

• Circular work may be accomplished if you assemble the

straight guide and guide plate as shown in Fig. 11 or 12.

Fig. 11 for cutting circles between 70 mm and 121 mm

in radius.

Fig. 12 for cutting circles between 121 mm and

221 mm in radius.

NOTE:

Circles between 172 mm and 186 mm in radius cannot

be cut using this guide.

• Min. and max. radius of circles to be cut (distance between

the centre of circle and the centre of bit) are as follows:

Min.: 70 mm

Max.: 221 mm

Align the centre hole in the straight guide with the centre

of the circle to be cut. Drive a nail less than 6 mm in diam-

eter into the centre hole to secure the straight guide. Pivot

the tool around the nail in clockwise direction. (Fig. 13)