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APPLICATIONS
○ Removal of casting fi n and fi nishing of various types of
steel, bronze and aluminum materials and castings.
○ Grinding of welded sections or sections cut by means of
a cutting torch.
○ Grinding of synthetic resins, slate, brick, marble, etc.
○ Cutting of synthetic concrete, stone, brick, marble, and
similar materials.
SPECIFICATIONS
The specifi cations of this machine are listed in the Table on
page 10.
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
CHARGING
Before using the power tool, charge the battery as follows.
1. Connect the charger's power cord to the receptacle.
(Fig. 2)
<UC18YFSL>
When connecting the plug of the charger to a receptacle,
the pilot lamp will blink in red (At1-second intervals).
Before
charging
While charging Lights
Charging
complete
Pilot lamp
(red)
Overheat
standby
Charging
impossible
NOTE: When standby for cooling battery, UC18YFSL cools the overheated battery by cooling fan.
Indications of the pilot lamp
Lights for 0.5 seconds. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights continuously
Lights for 0.5 seconds. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights for 1 second. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for 0.1
seconds. (off for 0.1 seconds)
Flickers
<UC18YSL3>
When connecting the plug of the charger to a receptacle,
the charge indicator lamp will blink in red (At 1-second
intervals).
CAUTION
Do not use the electrical cord if damaged. Have it
repaired immediately.
2. Insert the battery into the charger. (Fig. 2)
Firmly insert the battery into the charger.
3. Charging
<UC18YFSL>
When inserting a battery in the charger, the pilot lamp
will light up continuously in red.
When the battery becomes fully recharged, the pilot
lamp will blink in red (At 1-second intervals). (See Table
1-a)
● Pilot lamp indication
The indications of the pilot lamp will be as shown in
Table 1-a, according to the condition of the charger or
the rechargeable battery.
<UC18YSL3>
When inserting a battery in the charger, the charge
indicator lamp will blink in blue.
When the battery becomes fully recharged, the charge
indicator lamp will light up in green. (See Table 1-b)
● Charge indicator lamp indication
The indications of the charge indicator lamp will be as
shown in Table 1-b, according to the condition of the
charger or the rechargeable battery.
Table 1-a
7
Battery overheated.
Unable to charge.
(Charging will
commence when
battery cools)
Malfunction in the
battery or the charger
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