Manual Hitachi C12YB (page 4 of 43) (English, German, French, Italian, Portuguese, Spanish)

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3 ADJUSTING (Fig. 4-5-6-7-8)

WARINING: All the adjustment procedures

illustrated below must be performed when the

machine’s engine is off.

3.1 ADJUSTMENT OF CUTTING ANGLE-HEAD

ROTATION (Fig. 4)

This mitre-saw can cut both to the left and to the right.

The pre-set positions are: 15° - 22°30’ - 30° and 45°.

To position the machine as above, loosen knob 20, release

the machine head by pushing the lever 21 downwards and

rotate the rotary support by using the handgrip 1.

The head stops automatically each time the pointer 22

is aligned with the corresponding position etched on the

graduated scale of the rotating plate.

For all intermediate positions, once the index is in alignment

with the position on the plate, block the rotating bearing by

means of the knob 20.

CAUTION:Do not remove the Movable upper safety

guard in use.

Also, do not use with the state opened and leave

it opened.

3.2 ADJUSTMENT OF CUTTING ANGLE - HEAD

ANGLE (Fig. 5)

The machine head can be tilted to a maximum of 45° to the

left. Release the knob 24 (on the rear part of the machine)

and tilt the head until it comes to rest on the stopper at an

angle of 45° (already calibrated during testing). Retighten

the knob 24 to securely block the head in place. For all other

intermediate positions, align index 25 on the rear of the head

with the corresponding position marked on the graduated

scale 23 of the swivel joint (Fig. 16).

WARNING: During double angle cutting (rotation

plus head tilting) hold the work piece securely to

the machine using the right hand and guide the

lowering of the head with the left hand (Fig. 16).

3.3 ADJUSTMENT/INSTALLATION OF STOPPER

(STANDARD ACCESSORY) (Fig. 6)

To cut work pieces of the same length, use the stopper in

order to avoid repeating the same measuring procedure

more than once.

Screw the bar 26 into the hole in the base and block it with

the dowel 27: loosen the handwheel 28 and position the

clamp 29 at the appropriate distance from the blade; then

tighten the handwheel 28.

3.4 ADJUSTMENT HEIGHT OF UPPER WORK

SURFACE (Fig. 7)

JUST FOR CIRCULAR SAW

WARNING: When working on the upper surface, it

is absolutely necessary to install the lower safety

guard supplied 117 (Fig. 15).

To install the safety guard with the head uplifted, place it

on the angular bearings 30 of the base. Then lower the

head and block the body in this position by means of the

block pin 19.

2.2 HANDLING

This mitre-saw is small and light and, therefore, can be easily

handled by one person alone by locking the transportation

block by means of the pin 19 and by lifting the machine by

means of the control handgrip 1.

2.3 TRANSPORTATION

To transport the machine, place it in the box it was in when

purchased. Ensure it is placed in the correct position indicated

by the arrows on the packaging.

Pay careful attention to the ideograms printed on the box as

they provide all necessary information for palletization and

stacking of boxes.

Tying the load down with ropes or safety belts is recommended

during transportation to stop the load from sliding or falling.

2.4 POSITION/WORK STATION (Fig. 2-3)

Place the machine on a work bench or on a sufﬁ ciently ﬂ at

base/pedestal to ensure the best possible stability.

Should you wish to ﬁ x the machine in place, use the special

holes located on the base. These are available as an

optional.

Bearing in mind ergonomic criteria, the ideal height of the

bench or of the base should be such that the base surface

or the upper work surface is between 90 and 95 cm. from

the ground (see ﬁ g. 2).

Always ensure that there is at least 80 cm. of manoeuvring

space in all directions around the machine in order to

perform all necessary cleaning, maintenance and adjustment

operations safely with a sufﬁ cient amount of space available

(see ﬁ g. 3).

CAUTION: Ensure the machine is placed in a

suitable position both in terms of environmental

conditions and lighting.

Always bear in mind that general environmental

conditions are of fundamental importance to

prevent accidents.

2.5 ELECTRICAL CONNECTIONS

Check that the electrical system to which the machine is

connected is earthed in compliance with current safety

regulations and that the current socket is in perfect

condition.

The electrical system must be ﬁ tted with a magnetothermal

protective device to safeguard all conductors from short

circuits and overload.

The selection of this device should be in line with the

following electrical speciﬁ cations of the machine stated on

the motor.

NOTE: Your mitre-saw’s electrical system is

equipped with an undervoltage relay which

automatically opens the circuit when the voltage

falls below a minimum pre-established limit and

which prevents the self-reset of machine functions

when voltage returns to normal levels.

If the machine stops involutarily, do not be

allarmed. Make sure that there has not been a

voltage failure in the electrical system.

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Hitachi C12YB Manual

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