Bedienungsanleitung Hitachi C 7 MFA (Seite 10 von 60) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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2. Adjusting the angle of inclination

By loosening the wing bolt at the scale, the saw

blade can be titled up to maximum angle of 45°

against the base (Fig. 3).

The angle of inclination can also be regulated by

loosening the wing bolt at the scale (Fig. 3).

CAUTION

It is very hazardous to allow this wing bolt to

remain loosened. Always thoroughly clamp it.

3. Regulating the guide

The cutting position can be regulated by moving

the guide to the left or right after loosening its wing

bolt.

The guide can be mounted on either the left or the

right side.

4. 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. 4).

(2) Retract the protective cover 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. 5).

(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. 6).

(5) After adjustment, fasten the mounting screws

tightly in place.

NOTE

⅜ Parallelism may be slightly faulty if the cutting

depth is adjusted after parallelism adjustment.

CUTTING PROCEDURES

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

the cutting line with the saw blade at the front scale

(Fig. 7).

2. Turn ON the switch before the saw blade contacts

the lumber. The switch is turned ON when the trigger

is squeezed, and turned OFF when the trigger is

released.

CAUTIONS

Prior to cutting operation, make sure the material you

are going to cut. If the material to be cut is expected to

generate harmful / toxic dusts, make sure the dust bag or

appropriate dust extraction system is connected with

dust outlet tightly.

Wear the dust mask additionally, if available.

⅜ Before starting to saw, confirm that the saw blade

has attained full-speed revolution.

⅜ Should the saw blade stop or make an abnormal

noise while operating, promptly turn OFF the switch.

⅜ Always take care in preventing the power cord from

coming near to the revolving saw blade.

⅜ Using the circular saw with the saw blade facing

upwards or sideways is very hazardous. Such

uncommon applications should be avoided.

⅜ When cutting materials, always wear protective

glasses.

⅜ When finished with a job, pull out the plug from

the receptacle.

MOUNTING AND DISMOUNTING THE SAW

BLADE

CAUTION

To avoid serious accident, ensure the switch is in the

OFF position, and the power source is disconnected.

1. Dismounting the saw blade

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

Circular Saw as shown in Fig. 8.

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

the hexagonal-head bolt with the box wrench.

(3) While holding the lower guard lever to keep the

lower guard fully retracted into the saw cover,

remove the saw blade.

2. Mounting the Saw Blade

(1) Thoroughly remove any sawdust which has accu-

mulated on the spindle, bolt and washers.

(2) As shown in Fig. 9, the side of Washer (A) with

a projected center the same diameter as the inner

diameter of the saw blade and the concave side

of Washer (B) must be fitted to the saw blade sides.

* Washer (A) is supplied for 2 types of saw blades

with the hole diameters of 20 mm and 30 mm.

(When buying the Circular Saw, one type of

washer (A) is supplied.)

In case the hole diameter of your saw blade

does not correspond to that of washer (A), please

contact the shop where you purchased the Cir-

cular Saw.

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

the arrow direction on the saw blade must coincide

with the arrow direction on the saw cover.

(4) Using the fingers, tighten the hexagonal-head bolt

retaining the saw blade as much as possible. Then

depress the lock lever, lock the spindle, and thor-

oughly tighten the bolt.

CAUTION

After having attached the saw blade, reconfirm that the

lock lever is firmly secured in the prescribed position.

MAINTENANCE AND INSPECTION

1. Inspecting the saw blade

Since use of a dull saw blade will degrade efficiency

and cause possible motor malfunction, sharpen 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 loose, retighten them immediately. Fail-

ure to do so could result in serious hazard.

3. Maintenance of the motor

The motor unit winding is the very “heart” of the

power tool.

Exercise due care to ensure the winding does not

become damaged and/or wet with oil or water.

4. Inspecting the carbon brushes

For your continued safety and electrical shock

protection, carbon brush inspection and replacement

on this tool should ONLY be performed by a Hitachi

Authorized Service Center.

5. Replacing supply cord

If the supply cord of Tool is damaged, the Tool

must be returned to Hitachi Authorized Service

Center for the cord to be replaced.

01Eng_C6MFA_WE 2/27/09, 11:589

Hitachi C 7 MFA Seite 10

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