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Detaching the fi lter
Charging a USB device from a
electrical outlet
Charging a USB device and battery
from a electrical outlet
How to recharge USB device
When charging of USB device is
completed
Selecting accessories
*1 WARNING
Before use, be sure to tighten the wheel nut with the
included wrench.
Failure to tighten could result in the wheel nut
loosening when the brake is activated during a stop.
NOTE
The wheel washer is specifi cally for this product. Do
not use it for any other product.
*2 Subject to change depending on area.
*3 About the Mode change function and Mode display
lamp
With the storage battery installed to the main unit and the
unit switched on, pressing the Mode Change switch will
switch the operation mode to auto mode. While in Auto
Mode, the Mode display lamp will remain lit.
○ With Auto Mode, you can lower noise and vibration by
lowering the maximum number of revolutions while in a
no-load state.
While in Auto Mode, the number of revolutions will be
raised if the load becomes greater during operation.
On the other hand, the number of revolutions will be
lowered if the load decreases during operation.
○ This product features a protection function.
When the protection function mentioned below is
activated, the mode display lamp will fl ash.
[Overload Protection Function]
Operation is stopped because of an overload.
Try operating the unit once again when the cause of the
overload has been removed.
[Temperature Protection Function]
Operation is stopped because the unit is overheated.
Cool the unit in a location that is shaded and well-
ventilated.
Try operating the unit once again after it has suffi ciently
cooled.
*4 Grinding angle and grinding method
Press down the machine evenly on the surface and
move back and forth so that the surface of the workpiece
does not become too hot.
Rough grinding: position the machine at an angle of
15°–30° for the best working results.
When the grinding stone is new, its corner may dig in
when it is pushed forward, so pull back during use.
(Fig. 13-a)
Once the wheel edge is worn, the workpiece can be
ground in both directions. (Fig. 13-b).
*5 Cutting work
Always work against the run of the disc. Otherwise there
is the danger of the machine kicking back from the cut
out of control. Guide the machine evenly at a speed
suitable for the material being processed. Do not tilt,
apply excessive force or sway from side to side.
MAINTENANCE AND INSPECTION
15
5
WARNING
16-a
5
Be sure to turned off the switch and remove the battery
before maintenance and inspection.
16-b
5
1. Inspecting the depressed center wheel
Ensure that the depressed center wheel is free of cracks
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6
and surface defects.
2. Inspecting the mounting screws
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6
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
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loose, retighten them immediately. Failure to do so could
result in serious hazard.
3. Maintenance of the motor
The motor unit winding is the very "heart" of the power
tool. Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Inspection of terminals (tool and battery)
Check to make sure that swarf and dust have not
collected on the terminals.
On occasion check prior, during and after operation.
CAUTION
Remove any swarf or dust which may have collected on
the terminals.
Failure to do so may result in malfunction.
5. Cleaning on the outside
When the cordless disc grinder is stained, wipe with a
soft dry cloth or a cloth moistened with soapy water. Do
not use chloric solvents, gasoline or paint thinner, for
they melt plastics.
6. Cleaning the fi lter
After use, detach the fi lter and remove any grime or dust
from the screen with an airgun or other tool. (Fig. 15)
NOTE
○ To clear the unit of grime or dust, periodically run
the motor in a no-load state and blow dry air into the
ventilation hole with the fi lter removed.
Accumulation of grime or dust accumulates in the motor
can cause damage.
○ After cleaning, make sure to securely attach the fi lter.
7. Storage
Store the power tool and battery in a place in which
the temperature is less than 40°C and out of reach of
children.
NOTE
Storing lithium-ion batteries.
Make sure the lithium-ion batteries have been fully
charged before storing them.
Prolonged storage (3 months or more) of batteries with
a low charge may result in performance deterioration,
signifi cantly reducing battery usage time or rendering
the batteries incapable of holding a charge.
However, signifi cantly reduced battery usage time may
be recovered by repeatedly charging and using the
batteries two to fi ve times.
If the battery usage time is extremely short despite
repeated charging and use, consider the batteries dead
and purchase new batteries.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
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