Hitachi G 13YD Mode D'emploi page 8

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SPECIFICATIONS
Model
Voltage (by areas)*
Power Input*
No-load speed*
outer dia. × hole dia.
Wheel
peripheral speed
Weight (only main body)
*Be sure to check the nameplate on product as it is subject to change by areas.
Electronic Control
The grinder has an electronic speed control which
provides:
full speed at all times in the range up to rated load.
overload protection when exceeding the rated load
due to current limiting. The grinder then stalls and
restarts when the grinding pressure is reduced.
soft-start.
variable speed (G13V only)
STANDARD ACCESSORIES
(1) Depressed center wheel ........................................... 1
(2) Wrench ....................................................................... 1
(3) Side handle ................................................................ 1
(4) Hexagonal bar wrench .............................................. 1
Standard accessories are subject to change without
notice.
APPLICATIONS
Removal of casting fin and finishing of various
types of steel, bronze and aluminum materials and
castings.
Grinding of welded sections or sections cut by
means of a cutting torch.
Grinding of synthetic resins, slate, brick, marble,
etc.
Cutting of synthetic concrete, stone brick, marble,
and similar materials.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
CAUTION
Do not operate on Direct Current power source.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a receptacle while the
power switch is in the ON position, the power tool
will start operating immediately, which could cause
a serious accident.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
7
G13YD
(230V, 240V)
1110W
-1
10000 min
125 × 22.23 mm
80 m/s
1.7 kg
4. Fitting and adjusting the wheel guard
The wheel guard is a protective device to prevent
injury should the depressed center wheel shatter
during operation. Ensure that the guard is properly
fitted and fastened before commencing grinding
operation. By slightly loosening the setting screw,
the wheel guard can be turned and set at any
desired angle
effectiveness. Ensure that the setting screw is
thoroughly tightened after adjusting the wheel guard.
5. Ensure that mounted wheels and points are fitted
in accordance with the manufacturer's instructions.
Ensure that the depressed center wheel to be utilized
is the correct type and free of cracks or surface
defects. Also ensure that the depressed center wheel
is properly mounted and the wheel nut is securely
tightened, Refer to the section on "Depressed Center
Wheel Assembly"
Ensure that blotters are used when they are provided
with the bonded abrasive product and when they
are required.
Do not use separate reducing bushings or adaptors
to adapt large hole abrasive wheels.
For tools intended to be fitted with threaded hole
wheel, ensure that the thread in the wheel is long
enough to accept the spindle length.
Do not use cutting off wheel for side grinding.
6. Conducting a trial run
Ensure that the abrasive products is correctly
mounted and tightened before use and run the tool
at no-load for 30 seconds in a safe position, stop
immediately if there is considerable vibration or if
other defects are detected.
If this condition occurs, check the machine to
determine the cause.
7. Confirm the push button.
Confirm that the push button is disengaged by
pushing push button two or three times before
switching the power tool on (See Fig. 1).
8. Fixing the side handle.
Screw the side handle into the gear cover.
9. Adjusting the number of revolution (only G13V)
The G13V model is equipped with an electronic
infinite-variable-speed drive and can change the
number of revolution according to a use.
If you turn and set the dial scale (Fig. 3) to 6, the
number of revolution increases, and if you turn and
set it to 1, the number of revolution decreases.
Before use, set the number of revolution using the
dial. In so doing, refer to the following table as
a rough guide.
G13V
-1
2800–10000 min
for maximum operational