Manual Hitachi WP14DSL (page 12 of 80) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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7. About Remaining Battery Indicator

When pressing the remaining battery indicator switch,

the remaining battery indicator lamp lights and the

battery remaining power can be checked. (Fig. 11)

When releasing your finger from the remaining

battery indicator switch, the remaining battery

indicator lamp goes off. The Table 4 shows the state

of remaining battery indicator lamp and the battery

remaining power.

As the remaining battery indicator shows somewhat

differently depending on ambient temperature and

battery characteristics, read it as a reference.

NOTE:

⅜ Do not give a strong shock to the switch panel or

break it.It may lead to a trouble.

⅜ To save the battery power consumption, the

remaining battery indicator lamp lights while pressing

the remaining battery indicator switch.

8. How to use the LED light

Every time you press the light switch on the switch

panel, the LED light lights or goes off. (Fig. 12)

To prevent the battery power consumption, turn off

the LED light frequently.

CAUTION:

⅜ Do not expose directly your eye to the light by looking

into the light.

If your eye is continuously exposed to the light, your

eye will be hurt.

NOTE:

⅜ To prevent the battery power consumption caused

by forgetting to turn off the LED light, the light goes

off automatically in about 15 minutes.

OPERATIONAL CAUTIONS

1. Resting the unit after continuous work

(1) After use for continuous screw-tightening work, rest

the unit for 15 minutes or so when replacing the

battery. The temperature of the motor, switch, etc.,

will rise if the work is started again immediately after

battery replacement, eventually resulting in burnout.

NOTE:

Do not touch the protector, as it gets very hot during

continuous work.

2. Cautions on use of the speed control switch

This switch has a built-in, electronic circuit which

steplessly varies the rotation speed. Consequently,

when the switch trigger is pulled only slightly (low

speed rotation) and the motor is stopped while

continuously driving in screws, the components of

the electronic circuit parts may overheat and be

damaged.

3. Screw sizes and tightening times

Refer to the following diagram below which indicates

screw sizes and tightening times.

Use these tightening times as a preliminary estimate,

since they may vary due to the hardness of the wood,

ambient temperatures and the properties of the

rechargeable batteries, etc.

NOTE:

The sizes of the screws which can be tightened will

vary according to the wood. Therefore, test-tighten a

few screws before doing the actual tightening to

verify whether or not they can be tightened.

NOTE:

⅜ If a long striking time is used, screws will be strongly

tightened. This may cause the screw to break, or may

damage the tip of the bit.

⅜ If the unit is held at an angle to the screw being

tightened, the head of the screw may be damaged, or

the specified torque may not be transmitted to the

screw. Always keep the unit and the screw being

tightened in a straight line.

4. Use bits which match the screw's diameter

Be careful to not damage the heads of the screws by

using bits which do not match the screw's diameter.

5. Holding the tool

Hold the oil pulse driver firmly with both hands. In

this case hold the driver in line with the screw.

It is not necessary to push the driver very hard. Hold

the driver with a force just sufficient to counteract the

pulse force.

FEATURES OF THE CORDLESS OIL PULSE

DRIVER

The oil pulse driver is a hydraulic impact driver that

uses oil viscosity to generate pressure for the

tightening of screws. Due to the usage of this method,

the noise that is generated when screws are being

tightened has been greatly reduced in comparison to

that of other impact drivers. In contrast though, the

inherent reverberations of the oil pulse are greater in

comparison to those of impact drivers, so firmly

steady the tool.

NOTE:

Since the viscosity of the oil will vary according to

the temperature, pay heed to the following points in

using the tool.

State of lamp Battery Remaining Power

The battery remaining power

is enough.

The battery remaining power

is a half.

The battery remaining power

is nearly empty.

Re-charge the battery soonest

possible.

Table 4

Wood screws

(with cutting edges)

4mm x 50

Wood screws

(with cutting edges)

4.2mm x 75

Wood screws

(with cutting edges)

4.5mm x 90

Materials: Treated hemlock

(western) spruce

Tightening times (seconds)

01 23 4

01Eng_WP14DSL_WE 9/24/09, 2:07 PM11

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Hitachi WP14DSL Manual

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