Manual Hitachi G13SQ (page 8 of 56) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

SPECIFICATIONS

*Be sure to check the nameplate on product as it is subject to change by areas.

STANDARD ACCESSORIES

(1) Depressed center wheele ........................................ 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.

PRIOR TO OPERATION

1. Power source

Ensure that the power source to be utilized conforms

to the power requirements specified on the product

nameplate.

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.

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.

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 “ASSEMBLING

AND DISASSEMBLING THE DEPRESSED CENTER

WHEEL”.

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. 2).

8. Fixing the side handle

Screw the side handle into the gear cover.

PRACTICAL GRINDER APPLICATION

1. Pressure

To prolong the life of the machine and ensure a

first class finish, it is important that the machine

should not be overloaded by applying too much

pressure. In most applications, the weight of the

machine alone is sufficient for effective grinding.

Too much pressure will result in reduced rotational

speed, inferior surface finish, and overloading which

could reduce the life of the machine.

Model G10SQ G12SQ G13SQ

Voltage (by areas)* (110V, 120V, 127V, 220V, 230V, 240V)

Power Input* 840 W

No-load speed 10000 min

-1

Outer dia. × hole dia. 100 × 16 mm 115 × 22.23 mm 125 × 22.23 mm

Wheel

Peripheral speed 72 m/s 80 m/s

Weight (Only main body) 1.6 kg

– Ensure that ventilation openings are kept clear when

working in dusty conditions, if it should become

necessary to clear dust, first disconnect the tool

from the mains supply (use non metallic objects)

and avoid damaging internal parts;

– Always use eye and ear protection. Other personal

protective equipment such as dust mask, gloves,

helmet and apron should be worn;

– Pay attention to the wheel that continues to rotate

after the tool is switched off.

01Eng_G10SQ_WE 2/4/10, 8:37 AM7

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Hitachi G13SQ Manual

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