3
English
24. Lengthy use of the Back Pack Power Supply may
result in physical fatigue. Avoid uncomfortable
stances and rest regularly. Also, cease work
immediately and rest in the event of fatigue building
up in the
fi
ngers, hand, arms, shoulders and back,
etc., even if only working for short periods of time.
Elderly people and other people not accustomed to
physical labor must take particular care over fatigue.
CAUTION
1. People not involved in the work must stay away
from the work area.
Make sure that people not involved in the work do not
come into contact with the Back Pack Power Supply,
the power cable, the adapter cable, the switch cable or
the recharger cable.
Failure to observe this may result in injury.
2. Store away neatly when not in use.
• Store away in a dry, high location out of the reach of
children, or under lock and key.
Failure to observe this may result in accidents.
• Do not store the Back Pack Power Supply in locations
that may be subject to temperatures exceeding 40°C
(inside metal boxes or automobiles during summer,
etc.) Failure to observe this may result in deterioration,
or the outbreak of smoke or
fi
re.
3. Carry out maintenance carefully.
• Inspect the power cable, the adapter cable, the switch
cable or the recharger cable regularly, and contact
Hitachi Authorized Service Center for repairs in the
event of damage being discovered.
• If extension cords are in use, inspect them regularly
and replace them in the event of damage being
discovered.
Failure to observe this may result in electric shocks or
short-circuits, leading to the outbreak of
fi
re.
4. Do not handle the power cable, the adapter cable,
the switch cable or the recharger cable roughly.
• Do not carry the Back Pack Power Supply holding only
the power cable, the adapter cable, the switch cable or
the recharger cable, and do not pull any of the cables.
• Do not place the power cable, the adapter cable, the
switch cable or the recharger cable near heat, oil or
sharp edges.
• Select the location for recharging carefully to ensure
that the power cable, the adapter cable, the switch
cable or the recharger cable are not stepped on, pulled
or otherwise damaged through excessive force. Failure
to observe this may result in electric shocks or short-
circuits, leading to the outbreak of
fi
re.
5. Use extension cords in accordance with outdoor
situations.
Use cab-tire extension cords or cab-tire extension
cables when recharging outdoors.
6. All repairs to be requested to Hitachi Authorized
Service Center.
• Do not modify the Back Pack Power Supply.
• All repairs must be requested to Hitachi Authorized
Service Center.
Failure to observe this may result in accidents or injury.
7. In the event of malformation or damage being
observed on the outside of the recharger, cease
operations immediately and contact Hitachi
Authorized Service Center.
ADDITIONAL SAFETY WARNINGS
1. When assembling the back pack power supply.
(1) Check to make sure the M5 screws and knob bolts
for attaching the carrier are not loose. Also check to
con
fi
rm that the carrier strap has been
fi
rmly attached.
Failure to observe this may result in the Back Pack
Power Supply being dropped, leading to injury or
damage.
(2) Use the arm band when using cordless bush trimmers
to prevent the adapter cable from being accidentally
severed. (
Fig. 6
)
2. Used as a power supply for cordless power tools
(DC 36 V)
(1) Read the instruction manuals for power tools that are to
be connected beforehand.
(2) Always check to con
fi
rm that cordless power tools are
switched o
ff
before connecting them to the Back Pack
Power Supply adapter.
(3) Automatic power o
ff
function (power switch on the
switch panel)
To prevent the wasteful use of the Back Pack Power
Supply, the power will be automatically switched o
ff
after
fi
ve hours elapses without it being used with the
power switch on the switch panel left in the on position.
If the main switch is left on, check to con
fi
rm that the
power to the cordless power tool or USB device being
used is switched o
ff
before pressing the power switch
on the switch panel to resume work.
3. Used as a USB power supply (DC 5 V)
(1) Read the instruction manual for the USB device to be
connected beforehand.
(2) Check to con
fi
rm that the USB cable to be connected is
not damaged before using it.
Failure to observe this may result in the outbreak or
smoke or
fi
re.
(3) Seal the USB terminal with a rubber cover when not in
use.
If dust or other matter adheres to the USB terminal, it
may result in the outbreak of smoke or
fi
re.
(4) Note that there are USB devices that cannot be used.
4. This product is provided with a warning lamp that
informs the user if the back pack power supply
is, for some reason, malfunctioning and power
output is halted. The warning lamp displays the
following information.
Continual
illumination
in red
Output will be halted in this event to
prevent high-temperature damage.
Wait until the Back Pack Power Supply
cools down before resuming work.
Blinking in
red
Output will be halted to prevent damage
in the event of overloaded operations
caused by the blades in cordless power
tools, etc., continuing. Resolve the
reason for the overload, and then press
the power switch to resume operations.
Swift blinking
in red
There is a possibility that damage
has occurred. Cease operations
immediately and request inspections
or repairs.
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