Handleiding Hitachi VB13Y (pagina 9 van 42) (Nederlands, Duits, Engels, Frans, Italiaans, Portugees, Spaans)

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⅜ Removing (Fig. 5.)

Set the setting dial to the “RETURN” position as

shown in Fig. 5. and pull the switch trigger again.

SERVICE LIFE AND REPLACEMENT OF THE

CUTTER

1. Service life of cutter (Fig. 6.)

Repeated cutting operation can inevitably wear out

the cutter blade and warp and nick blade edges. If the

cutter is continuously used with such imperfections,

the unit will be subjected to damage and fragments

may scatter out from the cutter. As shown in Fig. 5,

the cutter is equipped with blades at two spots. Each

blade can be used twice by changing the front and

back clamp faces. To avoid the use of a worn-out

blade with deformed and nicked edges, we

recommend that you change the clamp face of the

cutter after cutting approximately 2,500 rebars

(standard). Otherwise, replace the blades with anew

ones.

2. Changing cutter’s clamp face, and replacing. (Fig. 7.)

(1) Pull the switch lightly and let the upper cutter move

slowly. When the hexagon socket bolt that fixes the

upper cutter comes out of the cam cover, turn the

switch OFF and stop the motor.

(2) Unplug the power cord from the receptacle.

3. Removal

WARNING!

⅜ To prevent accidents, always be sure to turn the

switch OFF and unplug the power cord from the

receptacle.

⅜ If you remove the hexagon socket bolt using the

provided Allen key, you can remove the cutter.

(Pushing the cutter guard up in the direction of the

arrow shown in Fig. 7, facilitates removal of the upper

cutter.)

4. Mounting

(1) Remove dust around the cutter mounting part with a

clean soft rag.

(2) Put the cutter into the mounting part so that the

cutter blades (

) face each other.

(3) To secure the hexagon socket bolt, clamp it firmly

using the Allen key.

HOW TO USE (BENDING)

WARNING!

⅜ Note that the unit is not a hand-held tool. Be absolutely

sure to use the unit only after placing it on a stable

spots such as floor, ground, etc.

⅜ Never bring your hand close to the bending roller

during operation.

⅜ Never bend any materials other than the rebars. If

you attempt to do so, the material can splinter into

pieces and scatter.

⅜ Two 10 mm rebars can be bent at a time but the 13

mm rebars can only be bent one by one.

⅜ Remember that the cutter moves even during the

bending operation, thereby, close the cutter cover

without fail.

⅜ Begin operation only after marking sure that there

are no people within the turning range of the material

to be bent.

⅜ Reserve an extra length of at least 120 mm on the

bending length of the rebar to be bent.

If the extra length is not long enough, the rebar can

come off during bending operation, or it can break

into fragments and scatter dangerously. (Fig. 9.)

⅜ Be sure to set the rebar in the roller correctly. If it

protrudes from the roller, the rebar can come off

during bending operation and scatter into pieces.

1. Setting bending angles by setting dial.

The bar can be bent according to the angles indicated

on the setting dial, as shown in Fig.15.

Fig. 15

When bending the 10 mm and 13 mm rebars at the

same dial position, the bending angles differ slightly

due to the difference in bar diameter. Therefore, even

when using the same angle setting, we recommend

that you change the position of the dial slightly for

the different bar diameters, as illustrated in Fig. 8.

You will be able to bend the rebar at an angle that is

close to the dial indication of you set the 10 mm rebar

nearer to the left of the angle mark and the 13 mm

rebar nearer to the right of the angle mark.

NOTE

Even at the same dial setting position, the bending

angle can sometimes differ if the diameter or hardness

of the rebar is different. Use the angle marks merely

as a rough guideline.

2. Ordinary bending.

(1) Set the unit in the position with the turntable up as

shown in Fig. 10.

(2) Make sure that the cover is closed.

(3) Set the setting dial at the desired angle.

(4) Place the rebar on the stopper of the center plate and

set it correctly as shown in Fig. 9.

(5) Pull the switch trigger and bent the rebar.

(6) Continue pulling the switch trigger untill the motor

makes reverse rotation and the bending roller starts

to return. (Once the bending roller starts to return, it

will automatically return all the way to the home

position even if the switch trigger is released.)

Condition of rebar

Dial indication 45° 90° 135° 180°

180°135°90°45°

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