Bedienungsanleitung Hitachi WF4H2 (Seite 10 von 72) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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English

APPLICATIONS

○ For hanging interior drywall on steel (max thickness of

0.8 mm) or wood studs.

○ Fastening plywood to wood studs.

PREPARATION PRIOR TO OPERATION

1. Prepare the hose

Use an air hose designed for high-pressure operation.

Be sure to use the hose provided with a minimum of

5 mm inside diameter and a maximum of 30 m long.

NOTE

○ The air supply hoses must have a minimum working

pressure rating of 29.4 bar.

○ Use a

high-pressure air hose that is no longer than 30 m.

The pressure in a longer hose will drop, resulting in

misﬁ ring, misfeeding or incomplete insertion of screws.

2. Check on safety

CAUTION

○ Unauthorized persons (including children) must be kept

away from the equipment.

○ Wear eye protector.

○ Check the retaining

screws which ﬁ x the exhaust cover,

etc. for tightness.

Check the screw driver for air leaks and defective or rusty

parts.

○ Check whether or not the push lever works correctly.

Also check whether or not any dirt has adhered to the

moving parts of the push lever.

○ Recheck on operational

safety.

BEFORE USE

1. Check the air pressure

CAUTION

Use a compressor designed for high-pressure operation.

The air pressure must be constantly maintained at 18 –

23 bar.

Adjust the air pressure between 18 to 23 bar according

to the diameters and length of screws and hardness of

the wood into which a screw is

being driven. Pay special

attention to the output pressure, capacity, and piping on

the air compressor, so that air pressure does not exceed

the speciﬁ ed limit. Note that excessive pressure may

aﬀ ect overall performance, service life, and safety.

2. Lubrication

(1) Be sure to lubricate this screw driver at

least twice a day.

To lubricate, pour 10 to 15 drops of oil into the air plug

before and after using this screw driver. The oil applied

before use lubricates this screw driver; the oil applied

after use prevents rust.

(2) It is recommended using the recommended oil (SHELL

TONNA). Other

applicable oils are listed. Never mix two

or more types of diﬀ erent oils.

3. Loading screws

CAUTION

When loading screws, always take your ﬁ nger oﬀ the

trigger and disconnect the air hose.

(1) Put your ﬁ ngers on the screw guide and the button, then

hold the button down and open

the screw guide to the

left. (Fig. 2)

Next, open the magazine cover to the right.

(2) Put screws into the magazine, and pull the start of the coil

out from the magazine. (Fig. 3)

(3) Put the heads of the coil of screws just below the screw

head guide face and insert the ﬁ rst screw in the muzzle

so the screw pickup comes between the ﬁ rst and second

screws. (Fig. 4)

(4) Close the magazine cover ﬁ rst.

Then put your ﬁ ngers on the screw

guide and the button,

pressing the button down and close the screw guide

completely while pressing the collated sheet against the

guide face. (Fig. 5)

NOTE

○ Pay attention to avoid the following kinds of situations,

as the screw guide may not close normally or the screws

may not feed properly.

•

If screws or a collated sheet are not in the speciﬁ ed

position.

• If screws are sticking up from the guide face.

• If screws are detached from the collated sheet.

○ Handle both screw packaging and individual screws

carefully. If screw(s) come oﬀ a collated sheet and you

try

to use it, it may not feed properly, dry ﬁ re and/or cause

a jam.

○ Do not leave screws exposed for a long time outside

or in direct sunlight. Doing so may result in rust and/or

deterioration of the collated sheet, so when not in use,

store screws in the box

they came in.

4. Connecting an Air Hose

CAUTION

Pay attention to the following points when connecting an

air hose to the screw driver.

• Take care not to touch the trigger.

• Make sure the tip of the push lever is not pushed in on

a surface, such as a table or

on the ﬂ oor.

• Never point the muzzle at anyone.

○ Take the dust cap oﬀ the air plug, making sure no dust

or debris gets inside and wipe the mouth of the air plug

clean.

○ Push the air coupler ﬁ rmly onto the air plug to connect the

air hose.

(Fig. 6)

HOW TO USE THE SCREW DRIVER

Screw Driving Methods

There are two ways to drive screws, by ﬁ rst pressing the

push lever against the desired material and pulling the

trigger, which is called "SINGLE SEQUENTIAL ACTUATION

MECHANISM of screw driver" or by ﬁ rst pulling the trigger

and then pressing the push lever against the material, which

called "CONTACT ACTUATION MECHANISM."

The SINGLE SEQUENTIAL ACTUATION MECHANISM

of screw driver is used when the ﬁ nished appearance

is important or when you need to drive screws in exact

locations; by contrast, the CONTACT ACTUATION

MECHANISM is used when you want to drive one screw

after another without releasing the trigger.

We recommend

the SINGLE SEQUENTIAL ACTUATION MECHANISM of

screw driver to drive screws more securely.

• Safety Mechanisms

This screw driver is built so it will not ﬁ re unless both the

push lever and the trigger are operated at the same time.

As a result, the screw driver will not ﬁ re

when only the

trigger is pulled or when only the push lever is pressed

against the material to be fastened. This prevents the

unintentional ﬁ ring of screws when the trigger is pulled or

the push lever bumped against something accidentally.

000Book_WF4H2_WE.indb 10000Book_WF4H2_WE.indb 10 2012/04/10 8:43:072012/04/10 8:43:07

Hitachi WF4H2 Seite 10

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