Maintenance And Inspection - Hitachi Koki UC 18YG Mode D'emploi

○ 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 fi rst, then start
charging.
The pilot lamp goes off to indicate that the battery is fully
charged.
● Regarding the temperatures and charging time of the
rechargeable battery.
The temperatures and charging time will become as
shown in Table 1.
Table 1
Battery
Charging voltage
Type of battery
Temperatures at which the battery
can be recharged
Charging time for battery capacity,
approx. (At 20oC)
1.2 ― 1.5 Ah
2.0 Ah
2.4 Ah
Number of battery cells
7.2 V
9.6 V
12 V
14.4 V
18 V
NOTE
The recharging time may vary according to the
ambient temperature and power source voltage.
4. Disconnect the charger's power cord from the
receptacle.
5. Hold the charger fi rmly and pull out the battery.
NOTE
Be sure to pull out the battery from the charger after
use, and then keep it.

MAINTENANCE AND INSPECTION

1. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws
be loose, retighten them immediately. Failure to do so
could result in serious hazard.
2. Cleaning of the charger
When the charger is stained, wipe with a soft dry cloth
or a cloth moistened with soapy water. Do not use
chloric solvents, gasoline or paint thinner, for they melt
plastics.
3. Store idle charger
When not in use, the charger should be stored in dry,
high or locked-up place — out of reach of children.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
Charger
UC18YG
V 7.2 ― 18
Ni-Cd / Li-ion
0oC ― 40oC
min. 30
min. 50
min. 60
pcs. Ni-Cd: 6 / Li-ion: 2
pcs. Ni-Cd: 8
pcs. Ni-Cd: 10
pcs. Ni-Cd: 12
pcs. Ni-Cd: 15
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
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