Bedienungsanleitung Hitachi NR50AK (Seite 10 von 50) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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HOW TO USE THE NAILER

CAUTIONS

⅜ Never use the head or body of this device as a

hammer.

⅜ Take precautions to ensure the safety of persons in

the vicinity during operation.

⅜ Use only genuine HITACHI heat treated nails for this

NR50AK.

⅜ Be sure to position and insert the first nail point

through the hole in the metal connectors.

⅜ Do not drive nails at an angle of less than 50 degrees,

since the nails can ricochet and hurt yourself or

someone else.

⅜ Always point first nail protruded from the nose away

from yourself and others.

⅜ Do not push tool forward when positioning the first

nail in metal hole. If pushing forward, nail head will

be damaged and broken, or will cause jamming.

1. Nailing procedures

This tool has a Sequential Trip Mechanism (Single

Shot) for use when precision nail placement is

necessary.

You must first depress the nail point where you

want to drive a nail and then pull the trigger.

After the nail is driven, completely release the

trigger and lift the tool off the work surface.

This tool is not designed for contact trip operation

(bounce fire), and not available for contact trip valve

units.

And this tool has a new push lever (safety)

mechanism, this is a different push lever mechanism

from another nailers.

The position of the push lever when the nail feeder is

pulled back is shown as below.

When nails are loaded and the trigger is depressed,

the push lever comes down and when the push lever

touches the workpiece, a nails is driven.

This tool is equipped with a lockout feature that

prevents the tool from being activated when there

are 4 or less nails in the magazine.

There is a method of operation to drive nails with this

Nailer.

It is intermittent operation (Trigger fire) only.

(1) Be sure to position and insert the first nail point

through the hole in the metal connector with finger

off the trigger.

Be sure to position the nail with triangle mark (

) at

nose muzzle (See Fig. 4).

Keep the tool vertically when driving (See Fig. 5).

Do not push the tool forward when positioning the

first nail in metal hole. (See Fig. 6)

(2) Pull the trigger to drive a nail with keeping your face

and hands away from the nose muzzle.

(3) Remove finger from the trigger.

Remove the nailer from workpiece and reposition

into the next pre-punched metal hole.

Repeat same process.

(4) When change the nail length, remove all the nails in

the magazine.

NOTES

⅜ This is a SEQUENTIAL TRIP MECHANISM, and should

be used in accordance with all warnings and

instructions.

⅜ Always handle nails and package carefully. If nails

are dropped, collating plastic may be broken.

⅜ After nailing:

(1) disconnect air hose from the Nailer;

(2) remove all nails from the Nailer;

(3) supply 5 – 10 drops of Hitachi pneumatic tool

lubricant into the air plug on the Nailer; and

(4) open the petcock on the air compressor tank to

drain any moisture.

2. Changing the exhaust direction

The direction of the exhaust vent can be changed by

turning the top cover (See Fig. 7).

INSPECTION AND MAINTENANCE

CAUTION

Be sure to disconnect the hose during cleaning

jams, inspection, maintenance and cleaning.

1. Countermeasure for nail jamming

(1) DISCONNECT AIR HOSE.

(2) Remove the nail strip from the magazine, insert a rod

into the outlet and tap the rod with a hammer (See

Fig. 8).

(3) Remove the jammed nail with slotted screwdriver

(See Fig. 9).

(4) Cut off the defective part of the plastic which links the

nails with cutting nippers, correct the deformation,

then load the nail strip in the magazine.

(5) In case of frequent jams, consult the Authorized

Service Center from which you bought this machine.

2. Inspecting the magazine

Clean the magazine. Remove plastic tips or wooden

tips which may have accumulated in the magazine.

Apply oil occasionally to the ribbon spring of the nail

feeder (See Fig. 10).

3. Check on mounting screws for each part

At regular intervals check every part for loose

mounting screws and whether or not there are any

air leaks. Retighten any loose screws. Operating the

equipment with loose screws untightened will incur

a hazard.

4. Inspecting the push lever

Check if the push lever (Fig. 1) can slide smoothly.

Clean up the sliding area of the push lever and use

the provided oil for lubrication from time to time.

Push Lever

At Non-Firing

Nose

Push Lever

At Firing

Nose

Push Lever

Nose

Workpiece

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