Handleiding Hitachi C12YB (pagina 6 van 43) (Duits, Engels, Frans, Italiaans, Portugees, Spaans)

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4.5 SUPPLEMENTARY SUPPORT BASE

Your cutting-off machine is ﬁ tted with a supplementary

support base to increase the supporting surface of the

workpiece in the base. All types of cuts may be carried out

with it, with the vertical head (e.g.: 0°, 45° RH-LH etc.).

To carry out work with head tilting, proceed as follows:

loosen the knob, raise the supplementary support plate until

the lowest internal guide pin has been lifted out of the hole,

rotate it through 180°, ﬁ x it in place in the hole located on

the opposite side and retighten the knob. Once cutting with

head tilting has been completed, it is advisable to reposition

the supplementary support table back in its original position,

not forgetting to tighten the knob.

5 ACCESSORIES

5.1 SELECTION OF THE BLADE

The mitre-saw is ﬁ tted with a WIDIA blade (305 diameter

x 30 hole x 2,5 thickness mm. ),

The following blades are available:

5.2 VICE (Fig. 13) (OPTIONAL)

CAUTION: When cutting bars or pieces of

aluminium or plastic, use of the vice is advisable

to hold the piece firmly against the angular

bearings, thus avoiding movement during cutting

and, therefore, jams which could damage both the

workpiece and the blade.

Always check that the vice makes perfect contact with the

piece to be cut and that it effectively holds it in position at

the base.

5.3 SUCTION OF DUST RESIDUES (Fig.14)

(OPTIONAL)

The mitre-saw can be connected to an aspirator or a dust

collection bag can be mounted by means of the exhaust

manifold 13.

The aspirator pipe or the bag sleeve must be secured to

the manifold by means of a band. Users are reminded to

empty the bag or aspirator container and to clean the ﬁ lter

regularly.

The air output speed must be equivalent to at least 100

/h.

For example, “dustbin” type aspirators are suitable.

6 MAINTENANCE

6.1 REGULAR MAINTENANCE

The regular maintenance decribed above and in the paragraph

below can be carried out by unskilled personnel.

1. Do not oil the mitre-saw, cause cutting must be carried out

in dry conditions (including the cutting of aluminium and

aluminium alloys); all rotating parts are self-lubricating.

2. During maintenance, wear protective gear if possible

(accident-prevention goggles and gloves).

3. Remove cuttings when necessary both from the cutting

area, work surfaces and support bases.

Use of an aspirator or brush is recommended.

WARNING: Do not use compressed air jets!

4. Regularly check blade conditions: if difﬁ culties should arise

during cutting, have it sharpened by skilled personnel or

replace it if necessary.

5. Periodically, check that the blade comes to a complete

standstill within 10 seconds of releasing the button, and

that the arm’s spring allows the arm to return back up

to its mechanical stop within 2 seconds; in the event of

either of these test returning a negative outcome, get

your machine serviced by an authorized technician.

6. If you feel that swing back was slow, please put oil into

the hinge.

7. Inspecting the carbon brush

For your continued safety and electrical shock

protection, carbon brush inspection and replacemen. On

this machine should ONLY be performed by HITACHI

AUTHORIZED SERVICE CENTER

NOTE: The movable shield 11 (Fig. 4) will return

to the correct position automatically when the

machine head is lowered, without having to

reposition the pawl.

WARNING:

• Never install blades which appear to be cracked.

Only install blades which comply with standard

EN 847-1.

• Using high speed blades in stainless steel is

strictly forbidden

• Always use sharp blades of suitable

dimensions

4.4 CUTTING CAPACITY

The following tables speciﬁ es the cutting capacity at 0° and

45° which may be achieved under the normal conditions of

use illustrated in this manual.

Blade D.305 mm. 48 Teeth

Blade D.305 mm. 72 Teeth

Blade D.305 mm. 96 Teeth

Blade D.305mm. 96 Teeth

for aluminium

To cut domestic and exotic,

hard and soft

To cut chipboards and

laminates to a maximum

30 mm

To cut frames

To cut aluminium and

plastics

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