Specifications; Standard Accessories; Prior To Operation - Hitachi G 13YC Handling Instructions Manual

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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.
Constant Electronic
The grinder has an electronic speed control which
provides:
full speed at all times in the range up to rated load.
overload protection when exeeding the rated load
due to current limiting. The grinder then stalls and
restarts when the grinding pressure is reduced.
soft-start.

STANDARD ACCESSORIES

(1) Depressed center wheel .......................................... 1
(2) Wrench ........................................................................ 1
(3) Side handle ................................................................ 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
G13YC
(110V, 230V, 240V)
1500 W
-1
10000 min
125 × 22 mm
80 m/s
2.0 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.
〈G13YC〉
By slightly loosening the setting screw, the wheel
guard can be turned and set at any desired angle
for maximum operational effectiveness. Ensure that
the setting screw is thoroughly tightened after
adjusting the wheel guard.
〈G15YC〉 (Fig.2)
Set the wheel ass'y to the packing gland.
Tighten M5 screw to secure the wheel guard while
the lever is in closed poosition.
Perform the adjustment of the wheel guard while the
adjustment of the wheel guard while the lever is
released. (Loosen M5 screw and readjust if the wheel
guard does not rotate smoothly.)
After adjustment, if machine operation is required,
perform the operation only after setting the lever in
closed position.
Lubricate the sliding section of the set piece (B) and
the lever if the lever does not move smoothly.
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.
G15YC
-1
8500 min
150 × 22 mm