Bedienungsanleitung Hitachi WF4V (Seite 9 von 38) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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in the main body, such as at right next to a wall

or column, remove the screw feed attachment before

operation. (Fig. 17)

3. Switch operation, changing the direction of rotation

⅜ The bit rotates clockwise (viewed from the rear

side) by pushing the R-side of the push button.

The L-side of the push button is pushed to turn the

bit counterclockwise. (See Fig. 18).

and marks are indicated on the main body.

⅜ By pulling the switch trigger, the rotation speed will

steplessly vary from 0 to 2300 revolutions per minute.

NOTE: When the switch trigger is pulled only

slightly, a beep sound will be heard. This

is the sound of the motor, and it does not

indicate any abnormality.

CAUTION

While the screwdriver is running, the push button

cannot be switched.

To switch it, turn off the screwdriver first.

OPERATIONAL CAUTIONS

1. To screw in screws, hold the driver straight against

the workpiece.

If the driver is slanted relative to the screw, the

screw head can be damaged and the bit worn.

Moreover, the prescribed torque is not transmitted

to the screw, resulting in screws left sticking out.

2. When screwing in, press the main body firmly until

the screw is completely screwed in.

Relaxing your pressure on the driver while screwing

in can leave the screw sticking out.

3. Do not you screw in a screw on top of another

screw.

If you do, the screw falls over and the next screw

can not be fed.

4. Precautions for empty strikers:

When you are screwing in colleted screw strips, you

might continue to use the driver without noticing

that you have run out of screws. If you try to screw

in when you are out of screws, the bit can damage

the gypsum board, so while working, keep an eye

on how many screws you have left.

5. When the slider does not move smoothly

Clean the slider, sliding surface of the slider case

and roller of the upper part of the slider. (Fig. 19)

NOTE:

The operator may become covered with plaster

dust quite easily when operation is performed in

an upward direction. Clean the slide surface and

roller periodically during operation.

SCREW HANDLING

NOTE:

Handle both the packed box of screws and the collated

screw strips with care. If you drop them, screws can

come out of the collated tape and cause screw feed

malfunctions. Do not expose the screws to prolonged

periods of direct sunlight or outside air. They can cause

rust and collated tape problems, so when you will not

be using the screws for awhile, put them in the screw

packing box or the like.

MAINTENANCE AND INSPECTION

1. Inspecting the driver bit

Using a broken bit or one with a worn out tip is

dangerous because the bit can slip. Replace it by

a new one.

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. Failure

to do so may result in serious hazard.

3. Cleaning of the outside

When the automatic screwdriver is stained, wipe

with a soft dry cloth or a cloth moistened with

soapy water. Do not use chloric solvents, gasoline

or paint thinner, as they melt plastics.

4. Inspecting the carbon brushes (Fig. 20)

The motor employs carbon brushes which are

consumable parts.

Since an excessively worn carbon brush can result

in motor trouble, replace the carbon brush with a

new one having the same carbon brush No. shown

in the figure, when it becomes worn to or near the

“wear limit”. In addition, always keep carbon brushes

clean and ensure that they slide freely within the

brush holders.

5. Replacing carbon brushes:

Disassemble the brush caps with a slotted-head

screwdriver. The carbon brushes can then be easily

removed.

NOTE

Due to HITACHI’s continuing program of research and

development, the specifications herein are subject to

change without prior notice.

IMPORTANT

Correct connection of the plug

The wires of the mains lead are coloured in accordance

with the following code:

Blue: – Neutral

Brown: – Live

As the colours of the wires in the mains lead of this

tool may not correspond with the coloured markings

identifying the terminals in your plug proceed as follows:

The wire coloured blue must be connected to the

terminal marked with the letter N or coloured black.

The wire coloured brown must be connected to the

terminal marked with the letter L or coloured red.

Neither core must be connected to the earth terminal.

NOTE

This requirement is provided according to BRITISH

STANDARD 2769: 1984.

Therefore, the letter code and colour code may not be

applicable to other markets except United Kingdom.

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