Optional Accessory - Makita GA4050 Manuel D'instructions

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  • FRANÇAIS, page 15
OPERATION
WARNING:
It should never be necessary to
force the tool. The weight of the tool applies ade-
quate pressure. Forcing and excessive pressure
could cause dangerous wheel breakage.
WARNING:
ALWAYS replace wheel if tool is
dropped while grinding.
WARNING:
NEVER bang or hit grinding disc
or wheel onto work.
WARNING:
Avoid bouncing and snagging
the wheel, especially when working corners,
sharp edges etc. This can cause loss of control and
kickback.
WARNING:
NEVER use tool with wood cutting
blades and other saw blades. Such blades when
used on a grinder frequently kick and cause loss of
control leading to personal injury.
WARNING:
Continued use of a worn-out
wheel may result in wheel explosion and serious
personal injury.
CAUTION:
Never switch on the tool when it
is in contact with the workpiece, it may cause an
injury to operator.
CAUTION:
Always wear safety goggles or a
face shield during operation.
CAUTION:
After operation, always switch off
the tool and wait until the wheel has come to a
complete stop before putting the tool down.
CAUTION:
ALWAYS hold the tool firmly with
one hand on housing and the other on the side
grip (handle).
Operation with wheel/disc
► Fig.12
Turn the tool on and then apply the wheel or disc to the
workpiece.
In general, keep the edge of the wheel or disc at an
angle of about 15° to the workpiece surface.
During the break-in period with a new wheel, do not
work the grinder in forward direction or it may cut into
the workpiece. Once the edge of the wheel has been
rounded off by use, the wheel may be worked in both
forward and backward direction.
Operation with abrasive cut-off /
diamond wheel

Optional accessory

WARNING:
/ diamond wheel, be sure to use only the special
wheel guard designed for use with cut-off wheels.
(In some European countries, when using a diamond
wheel, the ordinary guard can be used. Follow the
regulations in your country.)
WARNING:
WARNING:
excessive pressure. Do not attempt to make an exces-
sive depth of cut. Overstressing the wheel increases
the loading and susceptibility to twisting or binding of the
wheel in the cut and the possibility of kickback, wheel
breakage and overheating of the motor may occur.
WARNING:
in the workpiece. Let the wheel reach full speed and
carefully enter into the cut moving the tool forward
over the workpiece surface. The wheel may bind, walk
up or kickback if the power tool is started in the workpiece.
WARNING:
change the angle of the wheel. Placing side pressure
on the cut-off wheel (as in grinding) will cause the wheel
to crack and break, causing serious personal injury.
WARNING:
ated perpendicular to the material being cut.
► Fig.13: 1. Lock nut 2. Abrasive cut-off wheel / dia-
mond wheel 3. Inner flange 4. Wheel guard
for abrasive cut-off wheel / diamond wheel
As for the installation, follow the instructions for
depressed center wheel.
The direction for mounting the lock nut and the
inner flange varies by wheel type and thickness.
Refer to the following figures.
For 100 mm (4") model
When installing the abrasive cut-off wheel:
► Fig.14: 1. Lock nut 2. Abrasive cut-off wheel
(Thinner than 4 mm (5/32")) 3. Abrasive cut-
off wheel (4 mm (5/32") or thicker) 4. Inner
flange
When installing the diamond wheel:
► Fig.15: 1. Lock nut 2. Diamond wheel (Thinner than
4 mm (5/32")) 3. Diamond wheel (4 mm
(5/32") or thicker) 4. Inner flange
For 115 mm (4 - 1/2") / 125 mm (5") model
When installing the abrasive cut-off wheel:
► Fig.16: 1. Lock nut 2. Abrasive cut-off wheel
(Thinner than 4 mm (5/32")) 3. Abrasive cut-
off wheel (4 mm (5/32") or thicker) 4. Inner
flange
When installing the diamond wheel:
► Fig.17: 1. Lock nut 2. Diamond wheel (Thinner than
4 mm (5/32")) 3. Diamond wheel (4 mm
(5/32") or thicker) 4. Inner flange
12 ENGLISH
When using an abrasive cut-off
NEVER use cut-off wheel for side grinding.
Do not "jam" the wheel or apply
Do not start the cutting operation
During cutting operations, never
A diamond wheel shall be oper-

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