Manual Hitachi NR90GC (page 11 of 74) (English, German, Dutch, French, Italian, Spanish)

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English

STANDARD ACCESSORIES

(1) Eye protector .............................................................. 1

(2) Charger ........................................................................ 1

(3) Case ............................................................................. 1

(4) Hexagonal bar wrench for M5 screw ........................ 1

OPTIONAL ACCESSORIES ......... sold separately

⅜ Fuel Cell .......................................... Code No. 753-600

⅜ Gas Strip Nailer Lubricant

250 cc (8 oz.) oil feeder ............... (Code No. 885-246)

APPLICATIONS

⅜ Floor and wall framing.

⅜ Truss build-up, Window build-up.

⅜ Subflooring and roof decking.

⅜ Wall sheathing.

⅜ Mobile home and modular housing construction.

CHARGING

Before using the power tool, charge the battery as follows.

1. Insert the battery into the charger

Insert the battery firmly while observing its direction,

until it contacts the bottom of the charger (See Fig. 2).

CAUTION

The UC7SD model is the exclusively designed

charger. These cannot charge batteries except the

specified batteries. It is possible to insert the batteries

other than the specified into the charger and some

of them may light up the pilot lamps. However, you

are requested to exercise utmost caution not to

charge batteries other than specified ones because

these can not only be charged but also such actions

can result in the malfunction of chargers.

2. Connect the charger power cord to the receptacle

Connecting the power cord will turn on the charger

(the pilot lamp lights up).

CAUTION

If the pilot lamp does not light up, pull out the

power cord from the receptacle and check the

battery mounting condition.

About 60 minutes is required to fully charge the

battery at a temperature of about 20°C. The pilot lamp

goes off to indicate that the battery is fully charged.

The battery charging time becomes longer when a

temperature is low or the voltage of the power source

is too low.

When the pilot lamp does not go off even if more than

120 minutes have elapsed after starting of the

charging, stop the charging and contact your HITACHI

AUTHORIZED SERVICE CENTER.

CAUTION

If the battery is heated due to direct sunlight, etc.,

just after operation, the charger pilot lamp may

not light up. At that time, cool the battery first,

then start charging.

3. Disconnect the charger power cord from the

receptacle

4. Hold the charger firmly and pull out the battery

NOTE

After charging, pull out batteries from the charger first,

and then keep the batteries properly.

Regarding electric discharge in case of new

batteries, etc.

As the internal chemical substance of new batteries and

batteries that have not been used for an extended period

is not activated, the electric discharge might be low when

using them the first and second time. This is a temporary

phenomenon, and normal time required for recharging

will be restored by recharging the batteries 2 – 3 times.

How to make the batteries perform longer.

(1) Recharge the batteries before they become completely

exhausted.

When you feel that the power of the tool becomes

weaker, stop using the tool and recharge its battery.

If you continue to use the tool and exhaust the electric

current, the battery may be damaged and its life will

become shorter.

(2) Avoid recharging at high temperatures.

A rechargeable battery will be hot immediately after

use. If such a battery is recharged immediately after

use, its internal chemical substance will deteriorate,

and the battery life will be shortened. Leave the battery

and recharge it after it has cooled for a while.

PREPARATION PRIOR TO OPERATION

CAUTIONS

⅜ No flammable gas, liquid or other flammable objects

at worksite.

⅜ Use outside or well–ventilated areas.

Do not inhale.

⅜ Keep the tool, fuel cell and battery away from sunshine

and from temperature exceeding 50°C (120°F).

⅜ Keep away from ignition sources. No smoking.

⅜ Clear the area of children or unauthorized personnel.

⅜ Do not store the tool, fuel cell and battery in a cold

weather environment. Keep the tool, fuel cell and

battery in a warm area until beginning the work.

⅜ If the tool, fuel cell and battery are already cold, bring

it in a warm area and allow the tool to warm up before

use.

Observe temperature limit of max. 50°C (120°F).

Do not expose to an open flame and sparks!

⅜ This tool may not drive completely below when;

– at low temperature fuel cell loose the required

propellant force,

– at high temperature fuel cell overdose.

⅜ Do not use the tool in the rain or where excessive

moisture is present.

⅜ This tool is not recommended for use at altitudes

above 1,500 m (5000 feet), or in temperature below

0°C (30°F).

1. Fuel cell

To attach the metering valve to a fuel cell:

(1) Separate the metering valve and the cap from the gas

cartridge (See Fig. 3 (1)).

(2) Press forward (stem side) and downward on the front

side of the metering valve (See Fig. 3 (2)).

(3) Press downward on the rear of the metering valve

until it seals (See Fig. 3 (3)).

Check the metering valve:

Press the metering valve stem on fuel cell two or three

times against a stationary object and release.

If gas is not dispersed, fuel cell is empty. Replace it.

Observe Safety Regulations

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Hitachi NR90GC Manual

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