79102

Hitachi G 13 YC Manual

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English
SPECIFICATIONS
*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:
⅜
full speed at all times in the range up to rated load.
⅜
overload protection when exeeding the rated load
due to current limiting. The grinder then stalls and
restarts when the grinding pressure is reduced.
⅜
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
⅜
Removal of casting fin and finishing of various types
of steel, bronze and aluminum materials and castings.
⅜ Grinding of welded sections or sections cut by
means of a cutting torch.
⅜ Grinding of synthetic resins, slate, brick, marble, etc.
⅜ 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.
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.
[How to attach and adjust the wheel guard]
〈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)
⅜
Set the wheel ass’y to the packing gland.
⅜
Tighten M5 screw to secure the wheel guard while
the lever is in closed position.
⅜
Perform the adjustment of the wheel guard while the
lever is released. (Loosen M5 screw and readjust if
the wheel guard does not rotate smoothly.)
⅜
After adjustment, if machine operation is required,
perform the operation only after setting the lever in
closed position.
⅜
Lubricate the sliding section of the set piece (B) and
the lever if the lever does not move smoothly.
PRECAUTIONS ON USING DISC GRINDER
1. Never operate these power tools without Wheel
Guards.
2. Check that speed marked on the wheel is equal to
or greater than the rated speed of the grinder.
Use only depressed center wheels rated at 80m/s
or more.
3. Always hold the body handle and side handle of
the power tool firmly. Otherwise the counterforce
produced may result in inaccurate and even
dangerous operation.
4. Never depress the push button while the spinble
is turning.
5. Do not work near welding equipment!
If you work near welding equipment, rotation may
become unstable.
6. Overload protection circuit operation.
If an overload or abnormal load is applied, the
overload protection circuit operates and stops
rotation, so please immediately stop applying load.
Following this, switching the power OFF and then
ON again, will cause the rotation to increase to the
regular speed.
Model G13YC G15YC
Voltage (by areas)* (110V, 230V)
Power Input* 1500 W
No-load speed 10000 min
-1
8500 min
-1
Outer dia. × hole dia. 125 × 22 mm 150 × 22 mm
Wheel
Peripheral speed 80 m/s
Weight (Only main body) 2.0 kg
01Eng_G13YC_WE 5/8/07, 10:16 AM5
… 6 …


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