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To remove the disc, follow the installation procedure in
reverse.
Operation with abrasive cut-off /
diamond wheel
NOTE: Use sander accessories specified in this man-
ual. These must be purchased separately.
Optional accessory
WARNING: When using an abrasive cut-off
/ diamond wheel, be sure to use only the special
wheel guard designed for use with cut-off wheels.
OPERATION
(In some European countries, when using a diamond
wheel, the ordinary guard can be used. Follow the
regulations in your country.)
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: NEVER use cut-off wheel for side
grinding.
WARNING: ALWAYS replace wheel if tool is
dropped while grinding.
WARNING: NEVER bang or hit grinding disc
or wheel onto work.
WARNING: Do not "jam" the wheel or apply
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: Avoid bouncing and snagging
the wheel, especially when working corners,
sharp edges etc. This can cause loss of control and
kickback.
WARNING: Do not start the cutting operation
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: 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.
CAUTION: Never switch on the tool when it
is in contact with the workpiece, it may cause an
injury to operator.
WARNING: During cutting operations, never
change the angle of the wheel. Placing side pres-
sure on the cut-off wheel (as in grinding) will cause
the wheel to crack and break, causing serious per-
sonal injury.
CAUTION: Always wear safety goggles or a
face shield during operation.
WARNING: A diamond wheel shall be oper-
ated perpendicular to the material being cut.
CAUTION: After operation, always switch off
the tool and wait until the wheel has come to a
complete stop before putting the tool down.
► Fig.12: 1. Lock nut 2. Abrasive cut-off wheel / dia-
mond wheel 3. Inner flange 4. Wheel guard
for abrasive cut-off wheel / diamond wheel
CAUTION: ALWAYS hold the tool firmly with
one hand on housing and the other on the side
grip (handle).
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.
Grinding and sanding operation
► Fig.11
For 100 mm (4″) model
When installing the abrasive cut-off wheel:
► Fig.13: 1. Lock nut 2. Abrasive cut-off wheel
(Thinner than 4mm (5/32")) 3. Abrasive cut-
off wheel (4mm (5/32") or thicker) 4. Inner
flange
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.
When installing the diamond wheel:
► Fig.14: 1. Lock nut 2. Diamond wheel (Thinner
than 4mm (5/32″)) 3. Diamond wheel (4mm
(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.15: 1. Lock nut 2. Abrasive cut-off wheel
(Thinner than 4mm (5/32")) 3. Abrasive cut-
off wheel (4mm (5/32") or thicker) 4. Inner
flange
10
ENGLISH