Operation; Functional Description - Makita 5103N Instruction Manual

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not on the section that will fall off when the cut is
made.
As example, Fig. 5 illustrates the RIGHT way to cut
off the end of a board, and Fig. 6 the WRONG way.
If the workpiece is short or small, clamp it down.
DON'T TRY TO HOLD SHORT PIECES BY HAND!
(Fig. 5 & 6)
17. Never attempt to saw with the circular saw held
upside down in a vise. This is extremely
dangerous and can lead to serious accidents.
(Fig. 7)
18. Before setting the tool down after completing a
cut, be sure that the lower (telescoping) guard has
closed and the blade has come to a complete stop.
19. Using manufacturer data
• Ensure that the diameter, thickness and other
characteristics of the saw blade are suitable for
the tool.
• Ensure that the saw blade is suitable for the
spindle speed of the tool.
20. Do not use any abrasive wheel.
SAVE THESE INSTRUCTION

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Adjusting depth of cut (Fig. 8)
CAUTION:
• After adjusting the depth of cut, always tighten the lever
securely.
Loosen the lever on the depth guide and move the base
up or down. At the desired depth of cut, secure the base
by tightening the lever.
For cleaner, safer cuts, set cut depth so that no more than
one blade tooth projects below workpiece. Using proper
cut depth helps to reduce potential for dangerous
KICKBACKS which can cause personal injury.
Bevel cutting (Fig. 9)
Loosen the clamping screw on the bevel scale plate on
the front of the base.
Set for the desired angle (0° - 45°) by tilting accordingly,
then tighten the clamping screw securely.
Sighting (Fig. 10)
For straight cuts, align the A position on the front of the
base with your cutting line. For 45° bevel cuts, align the B
position with it.
Switch action (Fig. 11)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
For tool with lock button
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
For continuous operation, pull the switch trigger and then
push in the lock button.
To stop the tool from the locked position, pull the switch
trigger fully, then release it.
For tool without lock button
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.
Removing or installing saw blade (Fig. 12)
CAUTION:
• Be sure the blade is installed with teeth pointing up at
the front of the tool.
• Use only the Makita wrench to install or remove the
blade.
To remove the blade, press the shaft lock so that the
blade cannot revolve and use the wrench to loosen the
hex bolt counterclockwise. Then remove the hex bolt,
outer flange and blade.
To install the blade, follow the removal procedure in
reverse. BE SURE TO TIGHTEN THE HEX BOLT
CLOCKWISE SECURELY. (Fig. 13)
CAUTION:
• The inner flange has a 25 mm diameter on one side
and a 25.4 mm diameter on the other. The side with
25.4 mm diameter is marked by "25.4". Use the correct
side for the hole diameter of the blade you intend to
use. Mounting the blade on the wrong side can result in
the dangerous vibration. (Fig. 14)

OPERATION

CAUTION:
• Be sure to move the tool forward in a straight line
gently. Forcing or twisting the tool will result in
overheating the motor and dangerous kickback,
possibly causing severe injury.
Hold the tool firmly. The tool is provided with both a front
grip and rear handle. Use both to best grasp the tool. If
both hands are holding saw, they cannot be cut by the
blade. Set the base on the workpiece to be cut without the
blade making any contact. Then turn the tool on and wait
until the blade attains full speed. Now simply move the
tool forward over the workpiece surface, keeping it flat
and advancing smoothly until the sawing is completed.
To get clean cuts, keep your sawing line straight and your
speed of advance uniform. If the cut fails to properly follow
your intended cut line, do not attempt to turn or force the
tool back to the cut line. Doing so may bind the blade and
lead to dangerous kickback and possible serious injury.
Release switch, wait for blade to stop and then withdraw
tool. Realign tool on new cut line, and start cut again.
Attempt to avoid positioning which exposes operator to
chips and wood dust being ejected from saw. Use eye
protection to help avoid injury. (Fig. 15)
7

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