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C7UY
Инструкция по эксплуатации Страница: 12

Hitachi C7UY [12/84] English

English

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. Prepare a wooden workbench (Fig. 1)

Since the saw blade will extend beyond the lower

surface of the lumber, place the lumber on a

workbench when cutting. If a square block is utilized

as a workbench, select level ground to ensure it

is properly stabilized. An unstable workbench will

result in hazardous operation.

CAUTION

To avoid possible accident, always ensure that the

portion of lumber remaining after cutting is securely

anchored or held in position.

ADJUSTING THE SAW PRIOR TO USE

1. Adjusting the cutting depth

As shown in Fig. 2, hold the handle with one hand

while loosening the knob with the other.

The cutting depth can be adjusted by moving the

base to the desired position. In such manner adjust

the cutting depth and then securely retighten the

knob.

2. Adjusting the riving knife

First tighten the knob and firmly secure the saw

cover. (Fig. 2)

Loosen the flange bolt (2 pcs.) used to clamp the

riving knife, adjust the riving knife so that the

distance between the riving knife and the rim of

the blade is not more than 5 mm, and the rim of

the blade does not extend more than 5 mm beyond

the lowest edge of the riving knife (Fig. 3) and

securely retighten the flange bolt (2 pcs.).

3. Adjusting the angle of inclination

As shown in Fig. 4 (A), Fig. 4 (B) by loosening the

lever on the incline gauge and the wing-bolt on the

base, the saw blade may be inclined to a maximum

angle of 45° in relation to the base. After having

completed the adjustment, reconfirm that the lever

and the wing-bolt are firmly tightened.

4. Regulating the guide

Loosen the clamp lever at the front and back of

the base and detach the guide rail adapter from the

main unit. (Fig. 5)

NOTE:

Be informed that for some products the knob and

the guide rail adapter can collide when the guide

rail adapter is removed. Under such a circumstance,

remove the guide rail adapter after slightly reducing

the cutting depth of the body. (Fig. 6)

The cutting position can be regulated by moving

the guide to the left or right after loosening its

clamp lever. The guide may be mounted on either

the right or left side of the tool. (Fig. 7)

5. Fine tuning of parallelism

It is possible to fine-tune the parallelism of the saw

blade to the base using the parallelism adjustment

screw.

Adjustment has already been made at the time of

shipment from the factory. However, in the unlikely

event of parallelism being faulty, adjust as follows.

(1) Unfasten only the mounting screws of the saw

cover hinge portion (Fig. 8).

(2) Retract the lower guard into the saw cover.

(3) Insert wood chip in the rear side of the saw

blade base, and mark the position on the base

(Fig. 9).

(4) Move the marked wood chip to the front of the

base, and turn the parallelism adjustment screw

so that the marking corresponds to the base side

(Fig. 10).

(5) After adjustment, fasten the mounting screws

tightly in place.

NOTE

䡬 Parallelism may be slightly faulty if the cutting

depth is adjusted after parallelism adjustment.

6. Adjusting the guide piece

On the circular saw, it is possible to make fine

adjustment of the fixing position of the guide piece,

where the saw blade and the premarked line are

to be aligned.

When the saw is shipped from the factory, the

linear portion of a front scale on the guide piece

is aligned with the central position of the saw blade

(Fig. 11).

Loosen the fixed M4 screw on the guide piece,

should the fixing position be wrong, and make

necessary adjustment of the position.

7. Using the guide rail

Pass the guide rail adapter through the base square

socket, and clamp the clamp lever at the position

where the guide rail adapter and the surface of the

base side come in contact. (Fig. 5)

NOTE:

䡬 Be informed that for some products the knob and

the guide rail adapter can collide when the guide

rail adapter is removed. Under such a circumstance,

remove the guide rail adapter after slightly reducing

the cutting depth of the body. (Fig. 6)

(1) Loosen the wing bolt. Adjust the position of the rail

bar according to the guide rail to be used, and fix

it with the wing bolt. (Fig. 13)

(2) Place the body on the guide rail so that the protrusion

of the guide rail can fit into the groove of the guide

rail adapter. (Fig. 14)

(3) Loosen the clamp lever, adjust the position of the

saw blade, and then clamp the clamp lever again.

(4) In this condition, you can start off cutting operation.

NOTE:

䡬 When performing cutting operation using the guide

rail, remember that the cutting depth decreases as

the thickness of the guide rail increases.

䡬 This guide rail adapter can be used for the guide

rails of BOSCH, FESTO, and MAKITA.

䡬 When the guide rail is used at a 45 degree inclination,

the position of the saw blade does not agree with

the notch provided on the tip of the base.

8. Using the dust collector

To use the vacuum cleaner to gather up saw dust,

attach the suction hose to the dust collector which

is attached to the main unit by M4 screw. (Fig. 15)

9. Adjusting the position of the clamp lever

Depressing the clamp lever disengages it from the

bolt head, leaving it free to rotate.

After securely fixing the guide and the guide rail,

depress the clamp lever and rotate it to a position

in which it will not interfere with cutting operation.

(Fig. 16)

01Eng_C6UY_EE 2/17/10, 12:0811

Hitachi C7UY [12/84] English

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