Manual Hitachi WH12DM (page 9 of 74) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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(3) Regarding recharging time

Depending on the combination of the charger and

batteries, the charging time will become as shown

in Table 3.

Table 3 Charging time (At 20°C)

NOTE

The charging time may vary according to

temperature and power source voltage.

4. Disconnect the charger’s power cord from the

receptacle.

5. 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.

CAUTION

⅜ If the battery has been heated right after operation

(or due to sunlight, etc.), the charger’s pilot lamp

may not light in red. In such a case, first let the

battery cool, then start charging.

⅜ When the pilot lamp flikers in red quickly (at 0.2-

second intervals), check for and take out any foreign

objects in the charger’s battery installation hole. If

there are no foreign objects, it is probable that the

battery or charger is malfunctioning. Take it to your

Authorized Service Center.

⅜ Since the built-in micro computer takes about 3

seconds to confirm that the battery being charged

with UC14YF2 is taken out, wait for a minimum of

3 seconds before reinserting it to continue charging.

If the battery is reinserted within 3 seconds, the

battery may not be properly charged.

PRIOR TO OPERATION

1. Preparing and checking the work environment

Make sure that the work site meets all the conditions

laid forth in the precautions.

2. Checking the battery

Make sure that the battery is installed firmly. If it

is at all loose it could come off and cause an

accident.

3. Installing the bit

Always follow the following procedure to install

driver bit. (Fig. 4)

(1) Pull the guide sleeve back.

(2) Insert the bit into the hexagonal hole in the anvil.

(3) Release the guide sleeve and it returns to its original

position.

CAUTION

If the guide sleeve does not return to its original

position, then the bit is not installed properly.

HOW TO USE

1. Using the convenient hook

The convenient hook can be installed on the right

or left side and the angle can be adjusted in 5 steps

between 0° and 80°.

(1) Operating the hook

(a) Pull out the hook toward you in the direction

of arrow (A) and turn in the direction of arrow

(B). (Fig. 5)

(b) The angle can be adjusted in 5 steps (0°, 20°,

40°, 60°, 80°).

Adjust the angle of the hook to the desired

position for use.

(2) Switching the hook position

CAUTION:

Incomplete installation of the hook may result in

bodily injury when used.

(a) Securely hold the main unit and remove the

screw using a slotted head screwdriver or a

coin. (Fig. 6)

(b) Remove the hook and spring. (Fig. 7)

securely fasten with screw. (Fig. 8)

NOTE:

Pay attention to the spring orientation. Install the

spring with larger diameter away from you. (Fig.

(3) Using the bit holder

⅜ Installing the bit

Slide the bit from the side in the direction of

Fig. 9, and then insert firmly until the groove

on the pit locks in the protruded section of the

hook.

⅜ Removing the bit

Securely hold the main unit and pull out the bit

by holding the tip with your thumb. (Fig. 10)

CAUTION:

⅜ The bit may come loose from the hook and cause

bodily injury when reversing the direction of the

bit as shown in Fig. 9 or when using the driver with

the bit stored incomplete.

⅜ Only Hitachi OPTIONAL ACCESSORIES plus driver

bits (Bit No. 2; Code No. 992671, Bit No. 3; Code

No. 992672) may be used. Do not use other bits

since they may come loose.

Charger

UC14YF2

Battery

EB9B, EB1220BL Approx. 60 min.

EB930H, EB1230HL Approx. 90 min.

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Hitachi WH12DM Manual

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