Hitachi WH12DMR - Инструкция по эксплуатации - Страница 8

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(2) Reg ar d i n g  t h e t em p er at u r es o f  t h e r ech ar g eab l e

battery
The tem peratures for rechargeable batteries are as
show n in the table below , and batteries that have
becom e hot should be cooled for a w hile before
being recharged.

Table 2

 Recharging ranges of batteries

4. Disconnect  t he charger’s pow er cord from  t he

receptacle

5. Hold the charger firmly and pull out the battery

NOTE

Be sure to pull out the battery from  the charger after
use, and then keep it.

CAUTION

䡬

If the battery is charged w hile it is heated because it
has been left for a long tim e in a location subject to
direct sunlight or because the battery has just been
used, the pilot lam p of the charger lights up green. In
su ch  a case, f i r st  l et  t h e b at t er y  co o l , t h en  st ar t
charging.

䡬

When the pilot lam p 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 m alfunctioning. Take it to your
Authorized Service Center.

䡬

Si n ce t h e b u i l t -i n  m i cr o  co m p u t er  t akes ab o u t  3
seconds to confirm  that the battery being charged
w ith UC14YFA and UC24YFA are taken out, w ait for a
m i n i m u m  o f  3 seco n d s b ef o r e r ei n ser t i n g  i t  t o
continue charging. If the battery is reinserted w ithin
3 seconds, the battery m ay not be properly charged.

〈

UC18YG

〉

Before using the im pact driver or im pact w rench, charge
the battery as follow s.

1. Connect the charger pow er cord to the receptacle

Connecting the pow er cord w ill turn on the charger.

2. Insert the battery into the charger

Insert the battery firm ly w hile observing its direction,
until it contacts the bottom  of the charger (the pilot
lam p lights up).

CAUTION

If the pilot lam p does not light up, pull out the
pow er cord from  the receptacle and check the
battery m ounting condition.

About 60 m inutes is required to fully charge the
battery at a tem perature of about 20°C. The pilot
lam p goes off to indicate that the battery is fully
charged.
The battery charging tim e becom es longer w hen a
tem perature is low  or the voltage of the pow er source
is too low .
When the pilot lam p does not go off even if m ore
than 120 m inutes have elapsed after starting of the
charging, stop the charging and contact your HITACHI
AUTHORIZED SERVICE CENTER.

Tem peratures at

Rechargeable batteries

w hich the battery

can be recharged

Ni-Cd batteries

–5°C  – 60°C

Ni-M H batteries

 0°C  – 45°C

CAUTION

If the battery is heated due to direct sunlight, etc.,
just after operation, the charger pilot lam p m ay
not light up. At that tim e, cool the battery first,
then start charging.

3. Disconnect  t he charger pow er cord from  t he

receptacle

4. Hold the charger tight and pull out the battery

Regarding elect ric discharge in case of new
bat t eries, et c.

As the internal chem ical substance of new  batteries
and batteries that have not been used for an extended
period is not activated, the electric discharge m ight
be low  w hen using them  the first and second tim e.
This is a tem porary phenom enon, and norm al tim e
required for recharging w ill be restored by recharging
the batteries 2 – 3 tim es.

How  t o m ake t he bat t eries perform  longer

 (1) Re c h a r g e   t h e   b a t t e r i e s   b e f o r e   t h e y   b e c o m e

com pletely exhausted.
When you feel that the pow er of the tool becom es
w eaker, stop using the tool and recharge its battery.
If you continue to use the tool and exhaust the electric
current, the battery m ay be dam aged and its life w ill
becom e shorter.

(2) Avoid recharging at high tem peratures.

A rechargeable battery w ill be hot im m ediately after
use. If such a battery is recharged im m ediately after
use, its internal chem ical substance w ill deteriorate,
and the battery life w ill be shortened. Leave the
battery and recharge it after it has cooled for a w hile.

PRIOR TO OPERATION

1. Preparing and checking the w ork environment

M ake sure that the w ork site m eets all the conditions
laid forth in the precautions.

2. Checking the battery

M ake sure that the battery is installed firm ly. If it is at
all loose it could com e off and cause an accident.

3. Installing the bit (Impact driver)

Alw ays follow  the follow ing procedure to install driver
bit (

Fig. 2

).

(1) Pull the guide sleeve 

7

 aw ay from  front of the tool.

(2) Insert the bit 

9 

into the hexagonal hole in the anvil 

8

.

(3) Release the guide sleeve 

7 

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.

4. S e l e ct i n g   t h e   so ck e t   m a t ch e d   t o   t h e   b o l t

(Impact w rench)

Be sure to use a socket w hich is m atched to the bolt
to be tightened. Using an im proper socket w ill not
o n l y  r esu l t  i n  i n su f f i ci en t  t i g h t en i n g  b u t  al so  i n
dam age to the socket or nut.
A w orn or deform ed hex. or square-holed socket w ill
not give an adequate tightness for fitting to the nut or
anvil, consequently resulting in loss of tightening
torque.
Pay attention to w ear of socket hole, and replace
before further w ear has developed.