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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
○ If the battery is charged while it is heated because
it has been left for a long time in a location subject to
direct sunlight or because the battery has just been
used, the charge indicator lamp of the charger lights
for 0.3 seconds, does not light for 0.3 seconds (off for
0.3 seconds). In such a case, fi rst let the battery cool,
then start charging.
○ When the charge indicator lamp fl ickers (at 0.2-second
intervals), check for and take out any foreign objects in
the charger's battery connector. If there are no foreign
objects, it is probable that the battery or charger is
malfunctioning. Take it to your authorized Service
Center.
○ Since the built-in micro computer takes about
3 seconds to confi rm that the battery being charged with
UC18YSL3 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.
MOUNTING AND OPERATION
Action
Removing and inserting the battery
Charging
Mounting the socket*
1
Reversing the rotational direction
Switch operation
Removing and mounting the hook
Remaining battery indicator
How to use the LED light
Tightening mode selector function*
Charging a USB device from a
electrical outlet
Charging a USB device and battery
from a electrical outlet
How to recharge USB device
When charging of USB device is
completed
Selecting accessories
*1 Installing a socket
(1) Align the square portions of the socket and the anvil with
each other.
(2) Make sure to fi rmly install the socket by pushing it all the
way into the anvil.
(3) When removing the socket, pull it out of the anvil.
Figure
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2
2
3
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4
2
5
2
6
3
7
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8
3
9
3
10
3
2
12-a
4
12-b
4
13
4
14
4
―
241
12
*2 Tightening mode selector function
(1) High / Low mode selector switch (Fig. 10-a)
The tightening mode switches between 4 diff erent
rotation speeds each time the High / Low mode selector
switch is pressed.
(2) Auto stop mode selector switch (Fig. 10-b)
Each time the auto stop mode selector switch is pressed,
the auto stop function will switch between ON and OFF.
○ When auto stop is OFF (auto stop mode indicator lamp is
OFF):
When the trigger switch is pulled, the power tool will
continue to apply impact. (Will not auto stop)
○ When auto stop is ON (auto stop mode indicator lamp is
ON):
When the trigger switch is pulled, the power tool will
apply impact for a preset amount of time and then auto
stop.
MAINTENANCE AND INSPECTION
1. Inspecting the socket
A worn or deformed hex. or a square-holed socket will
not give an adequate tightness to the fi tting between
the nut or anvil, consequently resulting in loss of
tightening torque. Pay attention to wear of a socket holes
periodically, and replace with a new one if needed.
2. 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.
3. Maintenance of the motor
The motor unit winding is the very "heart" of the power
tool. Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Inspection of terminals (tool and battery)
Check to make sure that swarf and dust have not
collected on the terminals.
On occasion check prior, during and after operation.
CAUTION
Remove any swarf or dust which may have collected on
the terminals.
Failure to do so may result in malfunction.
5. Cleaning on the outside
When the tool 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.
6. Storage
Store the power tool and battery in a place in which
the temperature is less than 40°C and out of reach of
children.
NOTE
Storing lithium-ion batteries.
Make sure the lithium-ion batteries have been fully
charged before storing them.
Prolonged storage (3 months or more) of batteries with
a low charge may result in performance deterioration,
signifi cantly reducing battery usage time or rendering
the batteries incapable of holding a charge.
However, signifi cantly reduced battery usage time may
be recovered by repeatedly charging and using the
batteries two to fi ve times.
If the battery usage time is extremely short despite
repeated charging and use, consider the batteries dead
and purchase new batteries.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
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