Manual Hitachi NV75HMC (page 15 of 68) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

Reference Examples

NOTE:

The nails will not be driven in sufficiently if the

concrete intrusion depth is deeper than 15 mm.

5. Adjusting the nail-driving depth

CAUTION

When making adjustments, be sure remove your

finger from the trigger. When making adjustments,

be sure that the nail outlet is not facing downward

and that body parts or other people are not in the

path of the nail outlet.

⅜ Adjusting the adjuster (Fig. 14)

Carry out test driving. If the nails are too deep, turn

the adjuster to the shallow side (

mark).

If the nail depth is too shallow, turn the adjuster to

the deep side ( mark) (See Fig. 14, 15).

Depth is changed 1 mm with each rotation of the

adjuster.

NOTE:

⅜ When adjusting the adjuster, it does not rotate more

than 3 mm from the deepest point where a nail goes

down. Do not rotate the adjuster by force beyond

that point.

⅜ The nail-driving depth can also be adjusted by

changing the air pressure used. Carry this out together

with movement of the adjuster. Using a high air

pressure that does not match the nail-driving

resistance will shorten the life of this nailer.

6. Cutting off the sheet

Tear off the output sheet in the direction of the arrow

when using the sheet collated nails (Fig. 16).

7. Using the blow nozzle

CAUTION

⅜ Be sure to release your finger from the trigger before

using the blow nozzle.

⅜ Do not point the air outlet at a person.

⅜ Do not use the blow nozzle with the push lever left fit.

This Nailer has a blow nozzle that blows out wood

shavings which occur during work.

Press the knob with your thumb to use the blow nozzle

(See Fig. 17).

NOTE:

⅜ When the blow nozzle is used for a long time, the

nailing force may degrade temporarily. In this case,

allows the air supply pressure to stabilize before

starting work.

⅜ Oil in the body or drained water from the compressor

can sometimes spout out of the air outlet. It is

recommended that you once conduct a test before use

and see if such phenomenon happens at an environment

where spouted oil will cause any inconvenience.

8. How to use nosecap

CAUTION

Remove the hose from the nailer and release the

compressed air before installing or removing the

nosecap to prevent accidental nail ejection.

⅜ Attach the nose cap on the tip of the push lever when

you wish to protect the surface of wood, etc., from

scratches.

(1) Attaching and detaching nose cap

The nose cap can be attached by simply pressing it

into the push lever.

Press it in until a convex part inside the nose cap

enters into a hole of the push lever. (Fig.18)

For removal, insert a thin rod such as a screw driver

into the gap on the back of the push lever, and then

pull it out.

(2) Safekeeping of nose cap

Put the removed nose cap in a space behind the

magazine for safekeeping. (Fig.19)

INSPECTION AND MAINTENANCE

CAUTION

Be sure to disconnect the hose during cleaning jams,

inspection, maintenance and cleaning.

1. Countermeasure for nail jamming

(1) Remove the nail roll from the magazine, open the

nail guide, insert a rod into the outlet and tap the rod

with a hammer (Fig. 20).

(2) Remove the jammed nail with slotted screwdriver

(Fig. 21).

(3) Cut off the defective part of the steel wire which links

the nails with cutting nippers, correct the deformation,

then load the nail roll in the magazine.

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

Service Center from which you bought this machine.

2. 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.

3. Inspecting the push lever

Check if the push lever can slide smoothly (Fig. 22).

Clean up the sliding area of the push lever and use the

provided oil for lubrication from time to time.

Lubrication enables smooth sliding and simultaneously

serves to prevent the formation of rust.

4. Inspecting the feeders

(1) Occasionally clean the knob sliding part and then

apply the recommended oil (See Fig. 22).

(2) Open the nail guide and remove dust, etc., as shown

in Fig. 23. Apply lubricant to the sliding groove of the

feeder and shaft. Check the nail stopper (A) and nail

stopper (B) slide smoothly by pushing them with

your finger.

Wood Length of Nails Concrete

thickness to be Used Intrusion Depth

20 mm 32 mm Approx. 12 mm

25 mm 38 mm Approx. 13 mm

30 mm 45 mm Approx. 15 mm

35 mm 50 mm Approx. 15 mm

45 mm 57 mm Approx. 12 mm

50 mm 65 mm Approx. 15 mm

Length of Nails

to be Used

Wood thickness

Concrete Intrusion

Depth 10 to 15 mm

01Eng_NV75HMC_WE 3/13/12, 9:0814

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Hitachi NV75HMC Manual

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