Bedienungsanleitung Hitachi CR 13 VA (Seite 8 von 54) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(4) Pull the holder sleeve back slightly in the direction

of the arrow mark shown in Fig. 5 (in the direction

opposite to the arrow marked on the holder sleeve).

When you do this, the spring force will return the

holder sleeve to the correct position automatically.

There is no need to fasten the holder sleeve at this

time. (Fig. 5)

(5) Pull the back of the saw blade two or three times

by hand and check that the blade is securely

mounted. When pulling the blade, you will know

it is properly mounted if it clicks and the holder

sleeve moves slightly. (Fig. 6)

CAUTION

When pulling the saw blade, be absolutely sure to

pull it from the back. Pulling other parts of the blade

will result in an injury.

6. Dismounting the blade

(1) Turn on and off the switching trigger several times

so that the holder sleeve can jump out of the front

cover completely. Thereafter, turn off the switch

and unplug the power cord. (Fig. 1)

CAUTION

Be absolutely sure to keep the switch turned off

and the power cord unplugged to prevent any

accident.

(2) After you have turned the holder sleeve in the

direction of the arrow mark shown in

Fig. 2 and secured it, turn the blade so it faces

downward. The blade should fall out by itself. If

the blade doesn’t fall out, pull it out by hand.

CAUTION

Never touch the saw blade immediately after use.

The metal is hot and can easily burn your skin.

WHEN THE BLADE IS BROKEN

Even when the saw blade is broken and remains

inside the small slit of the plunger, it should fall

out if you turn the holder sleeve in the direction

of the arrow mark, secure the holder sleeve, and

face the blade downward. If it doesn’t fall out itself,

take it out using the procedures explained below.

(1) If a part of the broken saw blade is sticking out

of the small slit of the plunger, pull out the protruding

part and take the blade out.

(2) If the broken saw blade is hidden inside the small

slit, hook the broken blade using a tip of another

saw blade and take it out. (Fig. 7)

MAINTENANCE AND INSPECTION OF SAW BLADE

MOUNT

(1) After use, blow away sawdust, earth, sand, moisture,

etc., with air or brush them away with a brush, etc.,

to ensure that the blade mount can function

smoothly.

(2) Periodically lubricate the saw blade mount with

machine oil through the small slit at a state where

the holder sleeve is turned in the direction of the

arrow mark shown in Fig. 2. (Fig. 8)

NOTE:

⅜ If the saw blade mount is used without proper

cleaning and lubrication, the rotation of the holder

sleeve may be hampered by sawdust and particles

of dust, disabling you to remove the saw blade with

your fingers.

In such a case, hold the periphery of the holder

sleeve lightly using a pair of pliers and the like, and

turn the holder sleeve to left and right little by little.

After the saw blade has been successfully removed,

be absolutely sure to clean it up with air, etc., carry

out proper lubrication, and then check and see if

the saw blade mount can function smoothly.

7. Adjusting the base

This unit employs a mechanism that can adjust the

base mounting position in three stages without the

use of a wrench or other tools.

(1) Press a pushbutton. When you do this, a base lever

will jump out to prepare the base for adjustment.

(Fig. 9)

(2) Push up the base tip and jog the base back and

forth. (Fig. 10)

(3) You can adjust the base position in three stages.

Move the base at an interval of about 15 mm, find

the position where the base hooks, and press in

the base lever with your fingers. The base is secured

when you hear the clicking sound. (Fig. 11)

8. Adjusting the blade reciprocating speed

This unit has a built-in electronic control circuit that

makes it possible to adjust the variable speed of

the saw blade either both by pulling a switching

trigger or turning a dial. (Fig. 12)

(1) If you pull the trigger further in, the speed of the

blade accelerates. Begin cutting at a low speed to

ensure the accuracy of your target cut position.

Once you’ve obtained a sufficient cutting depth,

increase the cutting speed.

(2) On the dial scale, “5” is the maximum speed and

“1” the minimum. The high speed is generally

suitable for soft materials such as wood, and the

low speed is suitable for hard materials such as

metal. We recommend that you use the following

as a rough guide in selecting the suitable speed

for the materials you are cutting.

CAUTION

⅜ When cutting at low speed (scale of 1 – 2), never

cut a wooden board more than 10 mm thick or a

mild steel plate more than 2 mm thick. The load

on the motor can result in overheating and damage.

⅜ Although this unit employs a powerful motor,

prolonged use at a low speed will increase the load

unduly and may lead to overheating. Properly adjust

the saw blade to allow steady, smooth cutting

operation, avoiding any unreasonable use such as

sudden stops during cutting operation.

Example of materials Recommended

to be cut dial scale

Mild steel pipes /

cast-iron tubes / 2 – 4

L-shaped angle steel

Wood / wood with nails

driven in

Stainless steel 1 – 3

Aluminum / brass / copper 2 – 4

Plaster board 4 – 5

Plastic / fiber board 1 – 3

Hitachi CR 13 VA Seite 8

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