Manual Hitachi C12YB (page 5 of 43) (English, German, French, Italian, Portuguese, Spanish)

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WARNING: The machine is equipped with a

pusher the dimensions and shape of which are

in compliance with the Safety Standards (Fig. 15).

When the machine is used as DISK SAW (thus using

the upper table for the machining operations), such

ﬁ tting MUST absolutely be used.

Hold pusher from side A while side B must be put

in contact with the piece to be cut as shown in the

ﬁ gure.

The piece to be cut can be pushed by means of the

pusher which simultaneously drives and rest it on

square C thus enabling to keep hands away from

the blade cutting area.

CAUTION: The rip fence ﬁ x parallel to the blade.

CAUTION: Do not rotate the Rotating bearing with

putting the handgrip down.

– When the motor is off, lower the machine head and block

it by means of the block pin 19.

– Adjust the height of the upper work surface according to

the cutting height desired and adjust the bearing bracket

as described in the paragraph “ADJUSTMENTS”.

– Check that the removable upper shield is not faulty: after

having lifted it slightly, it must return to its orginal position,

covering the blade completely.

– Start the motor as described at point 4.1, and lock the main

switch in “ON” position by means of the locking device 51

in the lower zone of the handgrip.

– Place the workpiece to be cut on the work surface,

placing it laterally against the bracket and then move the

workpiece slowly and gradually towards the blade.

CAUTION: The workpiece must always be held ﬁ rmly,

paying attention not to hold it near the cutting area.

– to turn off the machine, push the start button 2 of the main

switch, automatically release the locking device 51.

4.3 INSTALLATION AND/OR REPLACEMENT OF THE

BLADE (Fig. 12)

WARNING: This procedure must be carried out

only after having turned off the machine’s motor

by release the main switch button 2.

– Release the movable shield 11 (Fig. 4) by pressing the

pawl 40 and simultaneously raising the shield so as to

uncover the blade.

– Raise the upper surface as high as possible, by acting on

knob 52 (Fig.12).

– Remove the protection plug of the blade-holding shaft

from the cover of the electronic box.

– Use the two 6 mm. Allen wrenches supplied: insert one

wrench in terminal 41 of the driving blade-holding shaft

and the other one in the blade ﬁ xing screw 42; then lo

osen the screw, keeping in consideration that the screw

thread is left-handed.

– Remove the external ﬂ ange 43, remove the blade by

sliding it out from the lower part of the head and install a

new blade.

– Ensure that the blade’s teeth are oriented in the direction

of the arrow on the blade itself.

– Then, remount the outer ﬂ ange 43, tighten the screw 42

ﬁ rmly, using the Allen wrenches supplied.

- Lower the upper surface to the required height and insert

the protection plug of the blade-holding shaft.

To adjust the height of the upper work surface to obtain

desired cutting widths, follow the instructions below:

– loosen the two handwheels 32;

– move the bearing bracket 17 toward the blade;

– lower or lift the work surface using knob 53.

– tighten the handwheels 32;

3.5 ADJUSTMENT OF BEARING BRACKET (Fig. 8)

JUST FOR CIRCULAR SAW

For cutting planks of the required size, it is possible to

adjust the distance of the support square 17 from the blade.

Loosen the knob 37 and slide the square 17, until the set

measurement has been reached (this can be read on the

graduated index 38 found on the worktop). Finally retighten

the knob 37 bearing in mind that the position indicated by the

square on the index corresponds to the actual distance from

the cutting surface of the blade.

3.6 WEDGE REGULATION

To ensure the dividing wedge is in the correct position, keep

it at a distance of between 3mm - 8mm from the tooth of the

blade. Should this not be the case, loosen the screw which

holds it attached to the arm and move it to the aforementioned

distance (Fig. 17).

3.7 ANGLE AJUSTMENT

Before the power tool is shipped from the factory,it is ajusted

for 0°,left angle 45°

bevel cutting angle with stopper screw.

When changing the ajustment, change the height of the

stopper screw 53 by turning (Fig. 18)

4 USE

After having performed all the above procedures and

operations, you may begin cutting.

WARNING: Always keep hands away from the

cutting area and do not try to approach it when

the machine is running.

NOTE: Please remove the support square when

cutting on the lower work surface to ensure easier

return of the head to its original position.

4.1 USE AS A CUTTING-OFF MACHINE (cutting on

the lower work surface) (Fig.10)

– Release the head, by unscrew the block pin 19.

– Raise the machine head as far as possible.

– Secure the workpiece ﬁ rmly against the angular bearings

30 of the base with your left hand, thus ensuring absolute

immobility during cutting.

– Put your right hand on the handgrip 1 and press the button

9 in order to release the head.

– Actuate the motor by pressing the start button 2 on the

handgrip.

– Lower the head and gradually bring the blade into contact

with the workpiece.

– Complete cutting and raise the head to its original

position.

– Turn off the motor by release the main switch button 2.

4.2 USE AS A CIRCULAR SAW

(cutting on the upper work surface) (Fig. 11)

WARNING: When working on the upper surface, it

is absolutely necessary to install the lower safety

guard supplied.

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Hitachi C12YB Manual

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