Bedienungsanleitung Hitachi g 12 sr3 (Seite 22 von 29) (Englisch, Dänisch, Schwedisch, Norwegisch, Finnisch)

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SPECIFICATIONS

Model G12SA2 G13SB2

Voltage (by areas)* (110V, 230V, 240V)

Power Input* 950W

No-load speed* 10000min

-1

Wheel

outer dia. × hole dia. 115 × 22 mm 125 × 22 mm

peripheral speed 80 m/s

Weight (only main body) 1.9 kg

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

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 “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

enouth 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.

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.

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

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 a depressed center wheels rated at

80 m/s or more.

3. Ensure that the wheel dimensions are compatible

with the grinder.

4. Abrasive wheels shall be stored and handled with

care in accordance with manufacturer’s instructions.

5. Inspect the grinding wheel before use, do not use

chipped, cracked or otherwise defective products.

6. 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.

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