Bedienungsanleitung Hitachi C 13 U (Seite 9 von 44) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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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 cutting depth adjustment can

be accomplished by loosening clamp lever and

shifting the base. When the base and saw blade

are at a perpendicular angle, use the link scale to

adjust the cutting depth.

Measure the distance that the saw blade extends

to adjust the cutting depth to the correct distance

because the scale marks are only indicated for

reference. After the adjustment is over, securely

tighten the clamp lever.

2. Installing riving knife

(1) Place the base facing upward and loosen the clamp

lever. Lift the base until the depth of cut on the

main unit reaches the minimum state, fasten the

clamp lever, and secure the base. (Fig. 2)

(2) Install the riving knife to the arm securely with the

2 attached bolts. (Fig. 3)

3. Adjusting the riving knife

Loosen the hexagon head bolts used to clamp the

riving knife, adjust the riving knife to the position

shown in Fig. 4 and securely retighten the bolts.

After adjustment, ensure that the riving knife moves

by following the adjusted cutting depth.

4. Adjusting the angle of inclination

As shown in Fig. 5 by loosening the wing bolt on

the scale and the wing bolt (Fig. 2) on the rear of

the base, the saw blade may be inclined to a

maximum angle of 45° in relation to the base.

Always ensure that the wing bolts are securely

tightened after making the desired adjustment.

5. Adjusting the guide (Fig. 6)

The cutting position can be adjusted by moving the

guide to the left or right after loosening its wing

bolt. The guide can be mounted on either the right

or left side of the base.

CUTTING PROCEDURES

1. Place the saw body (base) on the lumber and align

the premarked line of cut with the saw blade, using

the carved line at the front of the base. Align with

the premarked line on the right when not inclined,

and at the premarked line on the left at 45° inclined.

(Fig. 6)

2. Ensure that the switch is turned to the ON position

before the saw blade comes in contact with the

lumber. The switch is turned ON when the trigger

is squeezed; and OFF when the trigger is released.

3. Moving the circular saw straight with an appropriate

speed will result in optimum cutting.

CAUTIONS

⅜ Before starting cutting operation, ensure that the

saw blade has reached full speed revolution.

⅜ Should the saw blade stop or makes an abnormal

noise during operation, turn off the switch

immediately.

⅜ Always take care in preventing the power cord from

coming near the revolving saw blade.

MOUNTING AND DISMOUNTING

THE SAW BLADE

CAUTION

To avoid serious accident, ensure the switch is in the OFF

position, and the plug is disconnected from the power

receptacle.

1. Dismounting the saw blade

(1) Set the cutting depth at maximum, and place the

Circular Saw as shown in Fig. 7.

(2) Depress the lock lever to lock the spindle, and

remove the hexagon head bolt with the provided

wrench by turning it counterclockwise.

(3) While holding the safely cover lever to keep it fully

retracted into the saw cover, remove the saw blade.

2. Mounting the Saw Blade:

(1) Thoroughly remove any sawdust which has

accumulated on the spindle, bolt and washers.

(2) The inside diameter of the saw blade differs according

to the market area the circular saw is sold in.

(a) For mounting saw blade of 25 mm inner

diameters (Fig. 8 (a)), mount the saw blade to

washer (A) whose size is identical with the saw

blade inner diameter, and the concave side of

washer (B) faces the saw blade.

(b) In the case of a saw blade of 30 mm inner

diameter (Fig. 8 (b)), mount the adapter ring to

washer (A) whose size is identical with the

adapter ring inner diameter and mount the saw

blade on the adapter ring, and the concave side

of washer (B)) faces the saw blade.

(3) To check proper rotation direction of the saw blade,

the arrow direction on the saw blade must coincide

with the arrow direction embossed on the saw

cover.

(4) Using the fingers, tighten the hexagon head bolt

retaining the saw blade as much as possible. Then

depress the lock lever, lock the spindle, and securely

tighten the bolt.

CAUTION

On completion of mounting the saw blade, reconfirm that

the lock lever is firmly resumed in the original position.

MAINTENANCE AND INSPECTION

1. Inspecting the saw blade:

Since use of a dull saw blade will degrade efficiency

and cause possible motor malfunction, resharpen

or replace the saw blade as soon as abrasion is

noted.

2. Inspecting the mounting screws:

Regularly inspect all mounting screws and ensure

that they are properly tightened. Should any of the

screws be loosened, retighten them immediately.

Failure to do so could result in serious hazard.

01Eng_C13U_WE 08/10/31, 10:148

Hitachi C 13 U Seite 9

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