Handling instructions
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WR36DE
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c) Prevent unintentional starting. Ensure the
switch is in the off -position before connecting
to power source and/or battery pack, picking up
or carrying the tool.
Carrying power tools with your fi nger on the switch
or energising power tools that have the switch on
invites accidents.
d) Remove any adjusting key or wrench before
turning the power tool on.
A wrench or a key left attached to a rotating part of
the power tool may result in personal injury.
e) Do not overreach. Keep proper footing and
balance at all times.
This enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose clothing or
jewellery. Keep your hair and clothing away
from moving parts.
Loose clothes, jewellery or long hair can be caught in
moving parts.
g) If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used.
Use of dust collection can reduce dust-related
hazards.
h) Do not let familiarity gained from frequent use
of tools allow you to become complacent and
ignore tool safety principles.
A careless action can cause severe injury within a
fraction of a second.
4) Power tool use and care
a) Do not force the power tool. Use the correct
power tool for your application.
The correct power tool will do the job better and safer
at the rate for which it was designed.
b) Do not use the power tool if the switch does not
turn it on and off .
Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
c) Disconnect the plug from the power source and/
or remove the battery pack, if detachable, from
the power tool before making any adjustments,
changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of
starting the power tool accidentally.
d) Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions to
operate the power tool.
Power tools are dangerous in the hands of untrained
users.
e) Maintain power tools and accessories. Check
for misalignment or binding of moving parts,
breakage of parts and any other condition that
may aff ect the power tool’s operation.
If damaged, have the power tool repaired before
use.
Many accidents are caused by poorly maintained
power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to control.
g) Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions and
the work to be performed.
Use of the power tool for operations diff erent from
those intended could result in a hazardous situation.
h) Keep handles and grasping surfaces dry, clean
and free from oil and grease.
GENERAL POWER TOOL SAFETY
WARNINGS
WARNING
Read all safety warnings, instructions, illustrations and
specifi cations provided with this power tool.
Failure to follow all instructions listed below may result in
electric shock, fi re and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-
operated (corded) power tool or battery-operated (cordless)
power tool.
1) Work area safety
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
fl ammable liquids, gases or dust.
Power tools create sparks which may ignite the dust
or fumes.
c) Keep children and bystanders away while
operating a power tool.
Distractions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet.
Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools.
Unmodifi ed plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
refrigerators.
There is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions.
Water entering a power tool will increase the risk of
electric shock.
d) Do not abuse the cord. Never use the cord for
carrying, pulling or unplugging the power tool.
Keep cord away from heat, oil, sharp edges or
moving parts.
Damaged or entangled cords increase the risk of
electric shock.
e) When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the
risk of electric shock.
f) If operating a power tool in a damp location
is unavoidable, use a residual current device
(RCD) protected supply.
Use of an RCD reduces the risk of electric shock.
3) Personal safety
a) Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use a power tool while you are tired
or under the infl uence of drugs, alcohol or
medication.
A moment of inattention while operating power tools
may result in serious personal injury.
b) Use personal protective equipment. Always
wear eye protection.
Protective equipment such as a dust mask, non-skid
safety shoes, hard hat or hearing protection used for
appropriate conditions will reduce personal injuries.
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Slippery handles and grasping surfaces do not
allow for safe handling and control of the tool in
unexpected situations.
5) Battery tool use and care
a) Recharge only with the charger specifi ed by the
manufacturer.
A charger that is suitable for one type of battery pack
may create a risk of fi re when used with another
battery pack.
b) Use power tools only with specifi cally
designated battery packs.
Use of any other battery packs may create a risk of
injury and fi re.
c) When battery pack is not in use, keep it away
from other metal objects, like paper clips, coins,
keys, nails, screws or other small metal objects,
that can make a connection from one terminal to
another.
Shorting the battery terminals together may cause
burns or a fi re.
d) Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact
accidentally occurs, fl ush with water. If liquid
contacts eyes, additionally seek medical help.
Liquid ejected from the battery may cause irritation or
burns.
e) Do not use a battery pack or tool that is damaged
or modifi ed.
Damaged or modifi ed batteries may exhibit
unpredictable behaviour resulting in fi re, explosion
or risk of injury.
f) Do not expose a battery pack or tool to fi re or
excessive temperature.
Exposure to fi re or temperature above 130°C may
cause explosion.
g) Follow all charging instructions and do not
charge the battery pack or tool outside the
temperature range specifi ed in the instructions.
Charging improperly or at temperatures outside
the specifi ed range may damage the battery and
increase the risk of fi re.
6) Service
a) Have your power tool serviced by a qualifi ed
repair person using only identical replacement
parts.
This will ensure that the safety of the power tool is
maintained.
b) Never service damaged battery packs.
Service of battery packs should only be performed
by the manufacturer or authorized service providers.
PRECAUTION
Keep children and infi rm persons away.
When not in use, tools should be stored out of reach of
children and infi rm persons.
CORDLESS IMPACT WRENCH
SAFETY WARNINGS
Hold the power tool by insulated gripping surfaces,
when performing an operation where the fastener may
contact hidden wiring. Fasteners contacting a “live” wire
may make exposed metal parts of the power tool “live” and
could give the operator an electric shock.
ADDITIONAL SAFETY WARNINGS
1. This is a portable tool for tightening and loosening bolts
and nuts. Use it only for these operation.
2. Make sure to securely hold the tool during operation.
Failure to do so can result in accidents or injuries.
(Fig. 11)
3. Make sure that the battery is installed fi rmly. If it is as all
loose it could come off and cause an accident.
4. Preparing and checking the work environment. Make
sure that the work site meets all the conditions laid forth
in the precautions.
5. Always charge the battery at a temperature of 0°C–40°C.
A temperature of less than 0°C will result in over charging
which is dangerous. The battery cannot be charged at a
temperature higher than 40°C.
The most suitable temperature for charging is that of
20°C–25°C.
6. Do not use the charger continuously.
When one charging is completed, leave the charger for
about 15 minutes before the next charging of battery.
7. Do not allow foreign matter to enter the hole for
connecting the rechargeable battery.
8. Never disassemble the rechargeable battery and
charger.
9. Never short-circuit the rechargeable battery.
Shortcircuiting the battery will cause a great electric
current and overheat. It results in burn or damage to the
battery.
10. Do not dispose of the battery in fi re. If the battery is burnt,
it may explode.
11. Bring the battery to the shop from which it was purchased
as soon as the post-charging battery life becomes too
short for practical use. Do not dispose of the exhausted
battery.
12. Do not insert object into the air ventilation slots of the
charger. Inserting metal objects or infl ammables into the
charger air ventilation slots will result in electrical shock
hazard or damaged charger.
13. Check the actual tightening torque with a toruqe wrench.
14. Stop the tool before switching the direction of rotation.
Always release the switch and wait for tool to stop before
switching the direction of rotation.
15. Never touch the turning part. Do not allow the turning
part section to get near your hands or any other part of
your body. You could be cut or caught in the turning part.
Also, be careful not to touch the turning part after using
continuously it for a long time. It gets quite hot and could
burn you.
16. Please use the designated attachments which are
listed in the operations manual and HiKOKI’s catalog.
Accidents or injuries could result from not doing so.
17. Make sure to fi rmly install the attachments in the anvil. If
the attachments is not fi rmly installed it might come out
and cause injuries.
18. Tightening mode selector function
○ Select tightening mode while the trigger switch is
released. Failure to do so could result in malfunction.
○ The appropriate mode diff ers depending on the bolts
and the material being screwed. Tighten in a few test
bolts and adjust the mode setting accordingly.
○ The tightening mode selector switch can only be set after
the battery has been installed in the tool and the trigger
switch has been pulled once.
19. The power tool is equipped with a temperature
protection circuit to protect the motor. Continuous work
may cause the temperature of the unit to rise, activating
the temperature protection circuit and automatically
stopping operation. If this happens, allow the power tool
to cool before resuming use.
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20. The motor may stop in the event the tool is overloaded. In
this should occur, release the tool’s switch and eliminate
the cause of the overload.
Avoid touching the front case which can heat up during
continuous operation.
21. The use of the battery in a cold condition (below 0 degree
Centigrade) can sometimes result in the weakened
tightening torque and reduced amount of work. This,
however, is a temporary phenomenon, and returns to
normal when the battery warms up.
22. The push button can not be switched while the power
tool is turning. To switch the push button, stop the power
tool, then set the push button.
23. Install securely the hook. Unless the hook is securely
installed, it may cause an injury while using.
When electing to carry the tool hooked to your hip belt,
make sure to detach the tool socket. Failure to do so may
result in unexpected injury.
24. Do not give a strong shock to the switch panel or break it.
It may lead to a trouble.
25. Do not look directly into the light. Such actions could
result in eye injury.
Wipe off any dirt or grime attached to the lens of the LED
light with a soft cloth, being careful not to scratch the
lens.
Scratches on the lens of the LED light can result in
decreased brightness.
26. To prevent the battery power consumption caused
by forgetting to turn off the LED light, the light goes off
automatically in about 10 seconds.
27. Resting the unit after continuous work.
28. Do not touch the hammer case, as it gets very hot during
continuous work.
29. Do not use the product if the tool or the battery terminals
(battery mount) are deformed.
Installing the battery could cause a short circuit that
could result in smoke emission or ignition.
30. Keep the tool’s terminals (battery mount) free of swarf
and dust.
○ Prior to use, make sure that swarf and dust have not
collected in the area of the terminals.
○ During use, try to avoid swarf or dust on the tool from
falling on the battery.
○ When suspending operation or after use, do not leave
the tool in an area where it may be exposed to falling
swarf or dust.
Doing so could cause a short circuit that could result in
smoke emission or ignition.
31. Always use the tool and battery at temperatures between
-5°C and 40°C.
CAUTION ON LITHIUM-ION BATTERY
To extend the lifetime, the lithium-ion battery equips with the
protection function to stop the output.
In the cases of 1 to 3 described below, when using this
product, even if you are pulling the switch, the motor may
stop. This is not the trouble but the result of protection
function.
1. When the battery power remaining runs out, the motor
stops.
In such a case, charge it up immediately.
2. If the tool is overloaded, the motor may stop. In this
case, release the switch of tool and eliminate causes of
overloading. After that, you can use it again.
3. If the battery is overheated under overload work, the
battery power may stop.
In this case, stop using the battery and let the battery
cool. After that, you can use it again.
Furthermore, please heed the following warning and caution.
WARNING
In order to prevent any battery leakage, heat generation,
smoke emission, explosion and ignition beforehand, please
be sure to heed the following precautions.
1. Make sure that swarf and dust do not collect on the
battery.
○ During work make sure that swarf and dust do not fall on
the battery.
○ Make sure that any swarf and dust falling on the power
tool during work do not collect on the battery.
○ Do not store an unused battery in a location exposed to
swarf and dust.
○ Before storing a battery, remove any swarf and dust that
may adhere to it and do not store it together with metal
parts (screws, nails, etc.).
2. Do not pierce battery with a sharp object such as a
nail, strike with a hammer, step on, throw or subject the
battery to severe physical shock.
3. Do not use an apparently damaged or deformed battery.
4. Do not use the battery in reverse polarity.
5. Do not connect directly to an electrical outlets or car
cigarette lighter sockets.
6. Do not use the battery for a purpose other than those
specifi ed.
7. If the battery charging fails to complete even when a
specifi ed recharging time has elapsed, immediately stop
further recharging.
8. Do not put or subject the battery to high temperatures or
high pressure such as into a microwave oven, dryer, or
high pressure container.
9. Keep away from fi re immediately when leakage or foul
odor are detected.
10. Do not use in a location where strong static electricity
generates.
11. If there is battery leakage, foul odor, heat generated,
discolored or deformed, or in any way appears abnormal
during use, recharging or storage, immediately remove it
from the equipment or battery charger, and stop use.
12. Do not immerse the battery or allow any fl uids to fl ow
inside. Conductive liquid ingress, such as water, can
cause damage resulting in fi re or explosion. Store your
battery in a cool, dry place, away from combustible and
fl ammable items. Corrosive gas atmospheres must be
avoided.
CAUTION
1. If liquid leaking from the battery gets into your eyes,
do not rub your eyes and wash them well with fresh
clean water such as tap water and contact a doctor
immediately.
If left untreated, the liquid may cause eye-problems.
2. If liquid leaks onto your skin or clothes, wash well with
clean water such as tap water immediately.
There is a possibility that this can cause skin irritation.
3. If you fi nd rust, foul odor, overheating, discolor,
deformation, and/or other irregularities when using the
battery for the fi rst time, do not use and return it to your
supplier or vendor.
WARNING
If a conductive foreign matter enters in the terminal of lithium
ion battery, the battery may be shorted, causing fi re. When
storing the lithium ion battery, obey surely the rules of
following contents.
○ Do not place conductive debris, nail and wires such as
iron wire and copper wire in the storage case.
○ To prevent shorting from occurring, load the battery in
the tool or insert securely the battery cover for storing
until the ventilator is not seen.
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PRECAUTIONS REGARDING THE DUST-RESISTANCE AND WATER-
PROOFING FUNCTIONS
This product conforms to IP56 protection class ratings (dust-resistance and water-proofi ng) for electrical equipment as
stipulated by the international IEC regulations. (Only the main unit conforms to the IP56 protection class ratings when
equipped with a battery.)
[Descriptions of IP Codes]
IP56
Protection rating for water penetration
Must be no adverse eff ects on the equipment when sprayed with powerful jets of water from all directions (water-
proofed).
(100 L of water per minute sprayed for approximately three minutes from a distance of approximately three meters
with the use of a spray nozzle with a diameter of 12.5 mm.)
Protection rating for external assault by solid objects
Dust that may cause adverse eff ects on the equipment must not be able to enter (dust-resistance).
(The equipment to be left non-operable in a test chamber in which particles of talcum powder with a diameter of
less than 75 μm are fl oating in the air with the use of an agitation pump at a rate of 2 kg per cubic meter for eight
hours.)
The equipment has been designed to withstand the eff ects of dust and water, but there is no guarantee that it will not
malfunction. Do not use or leave the equipment in locations where it is subject to excessive amounts of dust, or in locations
where it is submerged in water or subject to rainwater.
REGARDING LITHIUM-ION BATTERY
TRANSPORTATION
When transporting a lithium-ion battery, please observe the
following precautions.
WARNING
Notify the transporting company that a package contains a
lithium-ion battery, inform the company of its power output
and follow the instructions of the transportation company
when arranging transport.
○ Lithium-ion batteries that exceed a power output of
100 Wh are considered to be in the freight classifi cation
of Dangerous Goods and will require special application
procedures.
○ For transportation abroad, you must comply with
international law and the rules and regulations of the
destination country.
Wh
Power Output
2 to 3 digit number
NAMES OF PARTS (Fig. 1–Fig. 11)
Hammer case Charge indicator lamp
Anvil Hexagonal socket
Friction ring Groove
LED Light Screw
Trigger switch Remaining battery
indicator switch
Switch panel Remaining battery
indicator lamp
Battery Display panel
Hook High / Low mode
selector switch
Handle High / Low mode
indicator lamp
Push button Auto stop mode
selector switch
Motor Auto stop mode
indicator lamp
Latch
SYMBOLS
WARNING
The following show symbols used for the machine.
Be sure that you understand their meaning before
use.
WR36DE: Cordless Impact Wrench
To reduce the risk of injury, user must read
instruction manual.
Direct current
V Rated voltage
n0No-load speed
/min Oscillation per minute
Bpm Impact rate
Ordinary bolt
HHigh tension bolt
MT Tightening torque (Maximum)
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Square drive size
kg Weight
Disconnect the battery
Switching ON
Switching OFF
Clockwise rotation
Counterclockwise rotation
Remaining battery indicator switch
Lights ;
The battery remaining power is over 75%
Lights ;
The battery remaining power is 50%–75%.
Lights ;
The battery remaining power is 25%–50%.
Lights ;
The battery remaining power is less than 25%
Blinks ;
The battery remaining power is nearly empty.
Recharge the battery soonest possible.
Blinks ;
Output suspended due to high temperature.
Remove the battery from the tool and allow it to
fully cool down.
Blinks ;
Output suspended due to failure or malfunction.
The problem may be the battery so please
contact your dealer.
High / Low mode selector switch
High / Low mode indicator lamp
Auto stop mode selector switch
Auto stop mode indicator lamp
Warning
Tightening mode selector function settings
Rotation speed
(/min)
High / Low
mode
Auto stop mode
(Auto Stop Time) Use
1500 Mode 1
OFF
For work that requires fi ne adjustments such
as when tightening small diameter bolts.
1800 Mode 2
2100 Mode 3 For work that requires the power to be
suppressed during tightening.
2400 Mode 4 For work that requires power and speed during
tightening.
1500 Mode 1
ON
Approx.
0.5 sec.
Tasks including the temporary fastening of
wheel nuts for vehicles or pipe fi ttings
1800 Mode 2 Approx.
1 sec.
2100 Mode 3 Approx.
1.5 sec. Temporary fastening of steel frames, etc.
2400 Mode 4 Approx.
2 sec.
Temporary fastening of heavy machinery,
bridges, etc.
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STANDARD ACCESSORIES
In addition to the main unit (1 unit), the package contains the
accessories listed on page 24.
Standard accessories are subject to change without notice.
APPLICATIONS
Tightening and loosening of all types of bolts and nuts, used
for securing structural items
SPECIFICATIONS
The specifi cations of this machine are listed in the Table on
page 23.
NOTE
Due to HiKOKI’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.
When connecting the plug of the charger to a receptacle,
the charge indicator lamp will blink in red (At 1- second
intervals).
2. Insert the battery into the charger.
Firmly insert the battery into the charger as shown in
Fig. 3 (on page 2).
3. Charging
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)
(1) Charge indicator lamp indication
The indications of the charge indicator lamp will be as
shown in Table 1, according to the condition of the
charger or the rechargeable battery.
Table 1
Indications of the charge indicator lamp
Charge
indicator
lamp
(RED /
BLUE /
GREEN /
PURPLE)
Before
charging
Blinks
(RED)
Lights for 0.5 seconds. Does not light for
0.5 seconds. (off for 0.5 seconds) Plugged into power source
While
charging
Blinks
(BLUE)
Lights for 0.5 seconds. Does not light for
1 second. (off for 1 second) Battery capacity at less than 50%
Blinks
(BLUE)
Lights for 1 second. Does not light
for 0.5 seconds. (off for 0.5 seconds) Battery capacity at less than 80%
Lights
(BLUE)
Lights continuously Battery capacity at more than 80%
Charging
complete
Lights
(GREEN)
Lights continuously
(Continuous buzzer sound: about 6
seconds)
Overheat
standby
Blinks
(RED)
Lights for 0.3 seconds. Does not light for
0.3 seconds. (off for 0.3 seconds)
Battery overheated. Unable to
charge. (Charging will commence
when battery cools)
Charging
impossible
Flickers
(PURPLE)
Lights for 0.1 seconds. Does not light for
0.1 seconds. (off for 0.1 seconds)
(Intermittent buzzer sound: about 2
seconds)
Malfunction in the battery or the
charger
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(2) Regarding the temperatures and charging time of the rechargeable battery
The temperatures and charging time will become as shown in Table 2.
Table 2
Charger UC18YSL3
Battery
Type of battery Li-ion
Temperatures at which the
battery can be recharged 0°C–50°C
Charging voltage V 14.4 18
Charging time,
approx. (At 20°C)
BSL14xx series BSL18xx series Multi volt
series
(4 cells) (8 cells) (5 cells) (10 cells) (10 cells)
min
BSL1415S
:
15
BSL1415
:
15
BSL1415X
:
15
BSL1420
:
20
BSL1425
:
25
BSL1430C
:
30
BSL1430
:
20
BSL1440
:
26
BSL1450
:
32
BSL1460
:
38
BSL1815S : 15
BSL1815 : 15
BSL1815X : 15
BSL1820 : 20
BSL1820M : 20
BSL1825 : 25
BSL1830C : 30
BSL1840M : 40
BSL1850C : 32
BSL1830 : 20
BSL1840 : 26
BSL1850 : 32
BSL1850MA
: 32
BSL1860 : 38
BSL36A18 : 32
BSL36A18X
: 32
BSL36B18 : 52
BSL36B18X
: 52
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.
Regarding electric discharge in case of new batteries,
etc.
As the internal chemical substance of new batteries and
batteries that have not been used for an extended period
is not activated, the electric discharge might be low when
using them the fi rst and second time. This is a temporary
phenomenon, and normal time required for recharging
will be restored by recharging the batteries 2–3 times.
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 Figure Page
Removing and inserting the battery 2 2
Charging 3 2
Mounting the socket*142
Reversing the rotational direction 5 2
Switch operation 6 3
Removing and mounting the hook 7 3
Remaining battery indicator 8 3
How to use the LED light 9 3
Tightening mode selector function*210 3
Selecting accessories ―25
*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.
*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)
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○ 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.
Important notice on the batteries for the HiKOKI
cordless power tools
Please always use one of our designated genuine batteries.
We cannot guarantee the safety and performance of
our cordless power tool when used with batteries other
than these designated by us, or when the battery is
disassembled and modifi ed (such as disassembly and
replacement of cells or other internal parts).
NOTE
Due to HiKOKI’s continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
13
English
TROUBLESHOOTING
Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your
dealer or the HiKOKI Authorized Service Center.
1. Power tool
Symptom Possible cause Remedy
Tool doesn’t run No remaining battery power Charge the battery.
Tool suddenly stopped Tool was overburdened Get rid of the problem causing the
overburden.
The battery is overheated. Let the battery cool down.
The trigger switch was held down for
5 minutes or more.
This is not a malfunction.
The motor was automatically stopped to
prevent failure of the tool.
Tool sockets
-can’t be attached
-fall off
-can’t be removed
The shape of the attachment portion doesn’t
match
Be sure to use 12.7 mm square drive
sockets.
Switch can’t be pulled Forward/reverse selector button is
positioned halfway
Press the button fi rmly into position for the
desired direction of rotation.
An abnormal high-pitched
noise occurs when the
trigger switch is pulled.
The trigger switch is being pulled only
slightly.
This is not a malfunction.
It does not occur if the trigger switch is
pulled more fully.
Battery cannot be installed Attempting to install a battery other than that
specifi ed for the tool.
Please install a multi volt type battery.
2. Charger
Symptom Possible cause Remedy
The charge indicator lamp
rapidly fl ickers purple, and
battery charging doesn’t
begin.
The battery is not inserted all the way. Insert the battery fi rmly.
There is foreign matter in the battery
terminal or where the battery is attached.
Remove the foreign matter.
The charge indicator lamp
blinks red, and battery
charging doesn’t begin.
The battery is not inserted all the way. Insert the battery fi rmly.
The battery is overheated. If left alone, the battery will automatically
begin charging if its temperature decreases,
but this may reduce battery life. It is
recommended that the battery be cooled in
a well-ventilated location away from direct
sunlight before charging it.
Battery usage time is short
even though the battery is
fully charged.
The battery’s life is depleted. Replace the battery with a new one.
The battery takes a long
time to charge.
The temperature of the battery, the charger,
or the surrounding environment is extremely
low.
Charge the battery indoors or in another
warmer environment.
The charger’s vents are blocked, causing its
internal components to overheat.
Avoid blocking the vents.
The cooling fan is not running. Contact a HiKOKI Authorized Service
Center for repairs.
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V
n0
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Bpm
H
MT
kg
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