Operation - Makita JV143D Instruction Manual

Selecting the cutting action
► Fig.2: 1. Cutting action changing lever
This tool can be operated with an orbital or a straight
line (up and down) cutting action. The orbital cutting
action thrusts the blade forward on the cutting stroke
and greatly increases cutting speed.
To change the cutting action, just turn the cutting action
changing lever to the desired cutting action position.
Refer to the table to select the appropriate cutting
action.
Position
Cutting action
Straight line
0
cutting action
Small orbit
cutting action
Medium orbit
cutting action
Large orbit
cutting action
Switch action
► Fig.3: 1. Lock-off button 2. Switch trigger
CAUTION:
• Before installing the battery cartridge into the
tool, always check to see that the switch trigger
actuates properly and returns to the "OFF"
position when released.
• When not operating the tool, depress the lock-
off button from A side to lock the switch trigger in
the OFF position.
To prevent the switch trigger from accidentally pulled,
the lock-off button is provided.
To start the tool, depress the lock-off button from B side
and pull the switch trigger.
Tool speed is increased by increasing pressure on the
switch trigger. Release the switch trigger to stop. After
use, always press in the lock-off button from A side.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
the battery cartridge is removed before carrying
out any work on the tool.
Applications
For cutting mild steel,
stainless steel and plastics.
For clean cuts in wood
and plywood.
For cutting mild steel,
aluminum and hard wood.
For cutting wood and
plywood.
For fast cutting in aluminum
and mild steel.
For fast cutting in wood
and plywood.
Installing or removing saw blade
► Fig.4: 1. Blade holder 2. Bolt 3. Hex wrench
CAUTION:
• Always clean out all chips or foreign matter
adhering to the blade and/or blade holder. Failure
to do so may cause insufficient tightening of the
blade, resulting in a serious personal injury.
• Do not touch the blade or the workpiece imme-
diately after operation; they may be extremely
hot and could burn your skin.
• Always secure the blade firmly. Insufficient tightening of the
blade may cause blade breakage or serious personal injury.
• Use only B type blades. Using blades other than
B type blades causes insufficient tightening of
the blade, resulting in a serious personal injury.
► Fig.5: 1. Bolt 2. Blade 3. Roller
To install the blade, loosen the bolt counterclockwise on
the blade holder with the hex wrench.
With the blade teeth facing forward, insert the blade into
the blade holder as far as it will go. Make sure that the
back edge of the blade fits into the roller. Then tighten
the bolt clockwise to secure the blade.
To remove the blade, follow the installation procedure in reverse.
NOTE:
• Occasionally lubricate the roller.
Hex wrench storage
► Fig.6: 1. Hook 2. Hex wrench
When not in use, store the hex wrench as shown in the
figure to keep it from being lost.
First, insert the hex wrench into the hole. Then push it
into the hook until it locked.
Dust cover
► Fig.7: 1. Dust cover
CAUTION:
• Always wear safety goggles even when operat-
ing the tool with the dust cover lowered.
Lower the dust cover to prevent chips from flying.
However, when making bevel cuts, raise it all the way.

OPERATION

CAUTION:
• Always hold the base flush with the workpiece.
Failure to do so may cause blade breakage,
resulting in a serious injury.
• Advance the tool very slowly when cutting
curves or scrolling. Forcing the tool may cause a
slanted cutting surface and blade breakage.
► Fig.8: 1. Cutting line 2. Base
Turn the tool on without the blade making any contact
and wait until the blade attains full speed. Then rest
the base flat on the workpiece and gently move the tool
forward along the previously marked cutting line.
8 ENGLISH