Bedienungsanleitung Hitachi NV75HMC (Seite 14 von 68) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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NOTE:

⅜ In intermittent operation, you cannot drive nails with

the trigger still held down, by again pressing the

push-lever up against the target spot. To continually

drive nails one after another, release your finger

from the trigger and switch to “continuous operation”.

⅜ If a nail driver placed on the floor (push-lever pressed

against the floor) is picked up while pulling the trigger,

the nail driver will shift to single shot and it may be

impossible to shoot nails even if the push-lever is

pressed against something. If that happens, release

your finger from the trigger and then try driving nails

again.

CAUTION

Exercise care when nailing corners of lumber. When

continuous nailing corners of lumber, a nail may go

astray or break through the corner.

NOTE:

⅜ Precautions on no-load operation.

Sometimes nailing will continue after driving in all

nails previously contained in the magazine.

This is termed “no-load operation”. Such operation

may deteriorate the bumper, magazine, and nail feeder.

To avoid no-load operation, occasionally confirm the

amount of remaining nails. On the other hand, all

nails should be removed after using this nailer.

⅜ After completing operation, put into the body about 2

cc oil through the hose joint to protect the tool from

rust.

⅜ Under low temperature conditions, the machine

sometimes does not operate correctly. Always operate

the machine at the appropriate ambient temperature.

3. Driving nails into steel plating

CAUTION

⅜ Use C-beam steel with a thickness of 3.2 mm or less.

⅜ Use hardened nails designed for use with steel plating.

⅜ Place the nailer vertically over the location into which

the nail is to be driven.

⅜ When galvanized steel or other metal plates are to be

attached directly onto C-beam steel, make sure they

are 0.7 mm or less in thickness.

Also, make sure that nails designed for use with steel

plating with a length of 32 mm are used.

⅜ Do not use the nailer on roofs or ceilings.

⅜ Make sure that the thickness of the hardened nails

designed for use with steel plating are of the correct

thickness for the C-beam steel.

NOTE:

Use the single shot setting to improve the finish after

the nails have been driven in.

Refer to the following table to select the correct nail shaft

diameter and length.

[Selecting Nail Shaft Diameter]

[Selecting Nail Length]

57 mm and 65 mm nails cannot be used on C-beams

with a thickness of 3.2 mm.

Make sure C-beam steel with a thickness of 2.3 mm or

less is used.

NOTE:

⅜ Holding power will be greatly decreased if nails are

driven too hard into steel plating. Rotate the adjuster

downwards to adjust the depth of the nails.

⅜ There are cases in which the nails will not be driven

in sufficiently depending on a combination of the

hardness and thickness of the C-beam or material.

4. Driving nails into concrete

CAUTION

⅜ Use hardened nails designed for use with concrete.

⅜ Place the nailer vertically over the location into which

the nail is to be driven.

⅜ Do not drive nails directly into concrete or attach

metal plates directly onto it.

⅜ Do not drive nails into the edge of concrete.

⅜ Do not use the nailer in locations from which other

items are suspended (suspended pipes, etc.).

NOTE:

⅜ Only use the nailer on concrete that has not yet set,

soon after it has been poured.

Using the nailer on hardened concrete may result in

bent nails and nails being insufficiently driven in.

⅜ Use the single shot setting to improve the finish after

the nails have been driven in.

[Selecting hardened nails for use with concrete]

Select nails with a concrete intrusion depth of between

10 to 15 mm.

C-Beam Steel Thickness Nail Shaft Diameter

2.3 mm or less 2.8 to 3.0 mm

3.2 mm or less 3.0 mm

Material Thickness Nail Length

Galvanized iron and other metal plates

0.7 or less (direct attachment) 32 mm

1.8 to 22 mm

14 to 35 mm 45 mm

15 to 45 mm 50 mm

22 to 47 mm 57 mm

30 to 55 mm 65 mm

The external material

and steel plating is not

deformed.

The external material

and steel plating is

deformed.

C-beam Steel

(Thickness: 1.6 mm to a

maximum of 3.2 mm)

Material Thickness

Approximately

10 to 35 mm

01Eng_NV75HMC_WE 3/13/12, 10:3913

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