ModelVariable speedDriver Drill
Modèle(Operated with ET18DM)
ModeloPerceuse-visseuse à batterie
DS 14DMR • DS 18DMR
DS18DMR
Cordless Driver Drill
Taladro atornillador a batería
SAFETY INSTRUCTIONS AND INSTRUCTION MANUAL
WARNING
IMPROPER OR UNSAFE use of this power tool can result in death or serious bodily
injury!
This manual contains important information about product safety. Please read and
understand this manual BEFORE operating the power tool. Please keep this manual
available for other users and owners before they use the power tool. This manual should
be stored in safe place.
INSTRUCTIONS DE SECURITE ET MODE D’EMPLOI
AVERTISSEMENT
Une utilisation INCORRECTE OU DANGEREUSE de cet outil motorisé peut entraîner la
mort ou de sérieuses blessures corporelles !
Ce mode d’emploi contient d’importantes informations à propos de la sécurité de ce
produit. Prière de lire et de comprendre ce mode d’emploi AVANT d’utiliser l’outil
motorisé. Garder ce mode d’emploi à la disponibilité des autres utilisateurs et propriétaires
avant qu’ils utilisent l’outil motorisé. Ce mode d’emploi doit être conservé dans un
endroit sûr.
INSTRUCCIONES DE SEGURIDAD Y MANUAL DE INSTRUCCIONES
ADVERTENCIA
¡La utilización INAPROPIADA O PELIGROSA de esta herramienta eléctrica puede
resultar en lesiones de gravedad o la muerte!
Este manual contiene información importante sobre la seguridad del producto. Lea y
comprenda este manual ANTES de utilizar la herramienta eléctrica. Guarde este manual
para que puedan leerlo otras personas antes de utilizar la herramienta eléctrica. Este
manual debe ser guardado en un lugar seguro.
Read and understand all of the safety precautions, warnings and operating instructions in
the Instruction Manual before operating or maintaining this power tool.
Most accidents that result from power tool operation and maintenance are caused by the
failure to observe basic safety rules or precautions. An accident can often be avoided by
recognizing a potentially hazardous situation before it occurs, and by observing appropriate
safety procedures.
Basic safety precautions are outlined in the “SAFETY” section of this Instruction Manual
and in the sections which contain the operation and maintenance instructions.
Hazards that must be avoided to prevent bodily injury or machine damage are identified by
WARNINGS on the power tool and in this Instruction Manual.
NEVER use this power tool in a manner that has not been specifically recommended by
HITACHI.
MEANINGS OF SIGNAL WORDS
WARNING indicates a potentially hazardous situations which, if ignored, could result in
death or serious injury.
CAUTION indicates a potentially hazardous situations which, if not avoided, may result in
minor or moderate injury, or may cause machine damage.
NOTE emphasizes essential information.
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SAFETY
GENERAL SAFETY RULES – FOR ALL BATTERY OPERATED TOOLS
WARNING: Read and understand all instructions.
Failure to follow all instructions listed below, may result in electric shock,
fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
1. Work Area
(1) Keep your work area clean and well lit. Cluttered benches and dark areas invite
accidents.
(2) Do not operate power tools in explosive atmospheres, such as in the presence of
flammable liquids, gases, or dust. Power tools create sparks which may ignite the
dust of fumes.
(3) Keep bystanders, children and visitors away while operating a power tool.
Distractions can cause you to lose control.
2. Electrical Safety
(1) A battery operated tool with integral batteries or a separate battery pack must be
recharged only with the specified charger for the battery.
A charger that may be suitable for one type of battery may create a risk of fire when
used with another battery.
(2) Use battery operated tool only with specifically designed battery pack.
Use of any other batteries may create a risk of fire.
(3) Do not abuse the cord. Never use the cord to carry the tools or pull the plug from
an outlet. Keep cord away from heat, oil, sharp edges or moving parts. Replace
damaged cords immediately. Damaged cords increase the risk of electric shock.
3. Personal Safety
(1) Stay alert, watch what you are doing and use common sense when operating a
power tool. Do not use tool while tired or under the influence of drugs, alcohol, or
medication. A moment of inattention while operating power tools may result in
serious personal injury.
(2) Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep
your hair, clothing and gloves away from moving parts. Loose clothes, jewelry, or
long hair can be caught in moving parts.
(3) Avoid accidental starting. Be sure switch is off position before inserting battery.
Carrying tools with your finger on the switch or inserting the battery pack into a
tool that have the switch on invites accidents.
(4) Remove adjusting keys or wrenches before turning the tool on. A wrench or a key
that is left attached to a rotating part of the tool may result in personal injury.
(5) Do not overreach. Keep proper footing and balance at all times. Proper footing and
balance enable better control of the tool in unexpected situations.
shoes, hard hat, or hearing protection must be used for appropriate conditions.
4. Tool Use and Care
(1) Use clamps or other practical way to secure and support the workpiece to a stable
platform. Holding the work by hand or against your body is unstable and may lead
to loss of control.
(2) Do not force tool. Use the correct tool for your application. The correct tool will do
the job better and safer at the rate for which it is designed.
(3) Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled
with the switch is dangerous and must be repaired.
(4) Disconnect battery pack from tool or place the switch in the locked or off position
before making any adjustments, changing accessories, or storing the tools. Such
preventive safety measures reduce the risk of starting the tool accidentally.
(5) Disconnect the battery or cord form the tool before making any adjustments,
changing accessories, or storing the tool. Such preventive safety measures reduce
the risk of starting the tool accidentally (when used with power supply).
(6) Store idle tools out of reach of children and other untrained persons. Tools are
dangerous in the hands of untrained users.
(7) 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 sparks, burns, or a fire.
(8) Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained
tools, with sharp cutting edges are less likely to bind and are easier to control.
(9) Check for misalignment or binding of moving parts, breakage of parts, and any
other condition that may affect the tools operation. If damaged, have the tool
serviced before using. Many accidents are caused by poorly maintained tools.
(10)Use only accessories that are recommended by the manufacturer for your model.
Accessories that may be suitable for one tool, may become hazardous when used
on another tool.
5. Service
(1) Tool service must be performed only by qualified repair personnel. Service or
maintenance performed by unqualified personnel could result in a risk of injury.
(2) When servicing a tool, use only identical replacement parts. Follow instructions in
the Maintenance section of this manual. Use of unauthorized parts or failure to
follow Maintenance Instruction may create a risk of electric shock or injury.
English
WARNING:
Some dust created by power sanding, sawing, grinding, drilling, and other construction
activities contains chemicals known to the State of California to cause cancer, birth defects
or other reproductive harm. Some examples of these chemicals are:
● Lead from lead-based paints,
● Crystalline silica from bricks and cement and other masonry products, and
● Arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this type of
work. To reduce your exposure to these chemicals: work in a well ventilated area, and
work with approved safety equipment, such as those dust masks that are specially
designed to filter out microscopic particles.
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SPECIFIC SAFETY RULES AND SYMBOLS
1. Hold tools by insulated gripping surfaces when performing an operation where the
cutting tool may contact hidden wiring. Contact with a “live” wire will make exposed
metal parts of the tool “live” and shock the operator.
2. ALWAYS wear ear protectors when using the tool for extended periods.
Prolonged exposure to high intensity noise can cause hearing loss.
3. NEVER place hands or other body parts near the drill bit or chuck during operation.
Hold the drill by its handle only.
4. Because the cordless driver drill operates by battery power, be aware of the fact that it
can begin to operate at any time.
5. When working at elevated locations, clear the area of all other people and be aware of
conditions below you.
6. NEVER touch moving parts.
NEVER place your hands, fingers or other body parts near the tool’s moving parts.
7. NEVER operate without all guards in place.
NEVER operate this tool without all guards or safety features in place and in proper
working order. If maintenance or servicing requires the removal of a guard or safety
feature, be sure to replace the guard or safety feature before resuming operation of the
tool.
8. Use right tool.
Don’t force small tool or attachment to do the job of a heavy-duty tool.
Don’t use tool for purpose not intended —for example— don’t use circular saw for
cutting tree limbs or logs.
9. NEVER use a power tool for applications other than those specified.
NEVER use a power tool for applications other than those specified in the Instruction
Manual.
10. Handle tool correctly.
Operate the tool according to the instructions provided herein. Do not drop or throw
the tool. NEVER allow the tool to be operated by children, individuals unfamiliar with
its operation or unauthorized personnel.
11. Keep all screws, bolts and covers tightly in place.
Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.
12. Do not use power tools if the plastic housing or handle is cracked.
Cracks in the tool’s housing or handle can lead to electric shock. Such tools should not
be used until repaired.
13. Blades and accessories must be securely mounted to the tool.
Prevent potential injuries to yourself or others. Blades, cutting implements and
accessories which have been mounted to the tool should be secure and tight.
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14. NEVER use a tool which is defective or operating abnormally.
If the tool appears to be operating unusually, making strange noises, or otherwise
appears defective, stop using it immediately and arrange for repairs by a Hitachi
authorized service center.
15. Carefully handle power tools.
Should a power tool be dropped or struck against hard materials inadvertently, it may
be deformed, cracked, or damaged.
16. Do not wipe plastic parts with solvent.
Solvents such as gasoline, thinner, benzine, carbon tetrachloride and alcohol may
damage and crack plastic parts. Do not wipe them with such solvents.
Wipe plastic parts with a soft cloth lightly dampened with soapy water and dry
thoroughly.
17. ALWAYS wear eye protection that meets the requirement of the latest revision of ANSI
Standard Z87.1.
18. Definitions for symbols used on this tool
............
V
—
---
no
---/min
volts
...........
direct current
..........
no load speed
...
revolutions per minute
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English
IMPORTANT SAFETY INSTRUCTIONS
FOR BATTERY CHARGER
1. This manual contains important safety and operating instructions for battery charger
Model UC14YFA/UC24YJ/UC18YG.
2. Before using battery charger, read all instructions and cautionary markings on (1) battery
charger, (2) battery, and (3) product using battery.
3. To reduce risk of injury, charge HITACHI rechargeable battery type EB7, EB9, EB12,
EB14, EB18 series and EB24B. Other type of batteries may burst causing personal injury
and damage.
4. Do not expose battery charger to rain or snow.
5. Use of an attachment not recommended or sold by the battery charger manufacturer
may result in a risk of fire, electric shock, or injury to persons.
6. To reduce risk of damage to electric plug and cord, pull by plug when disconnecting
battery charger.
7. Make sure cord is located so that it will not be stepped on, tripped over, or otherwise
subjected to damage or stress.
8. An extension cord should not be used unless absolutely necessary. Use of improper
extension cord could result in a risk of fire and electric shock.
If extension cord must be used make sure:
a. That blades of extension cord are the same number, size, and shape as those of
plug on battery charger;
b. That extension cord is properly wired and in good electrical condition; and
c. That wire size is large enough for AC ampere rating of battery charger as specified
in Table 1.
Table 1
RECOMMENDED MINIMUM AWG SIZE FOR
EXTENSION CORDS FOR BATTERY CHARGERS
AC Input Rating Amperes*AWG Size of Cord
Equal to orbut lessLength of Cord, Feet (Meter)
greater thanthan25 (7.5)50 (15)100 (30) 150 (45)
0218181816
2318181614
3418181614
*If the input rating of a battery charger is given in watts rather than in amperes, the
corresponding ampere rating is to be determined by dividing the wattage rating by the
voltage rating–for example:
1,250 watts
125 volts
9. Do not operate battery charger with damaged cord or plug–replace them immediately.
8
= 10 amperes
English
10. Do not operate battery charger if it has received a sharp blow, been dropped, or otherwise
damaged in any way; take it to a qualified serviceman.
11. Do not disassemble battery charger; take it to a qualified serviceman when service or
repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
12. To reduce risk of electric shock, unplug charger from receptacle before attempting any
maintenance or cleaning. Removing the battery will not reduce this risk.
IMPORTANT SAFETY INSTRUCTIONS FOR USE OF THE
BATTERY AND BATTERY CHARGER
You must charge the battery before you can use the cordless driver drill. Before using the
model UC14YFA/UC24YJ/UC18YG battery charger, be sure to read all instructions and
cautionary statements on it, the battery and in this manual.
REMEMBER: USE ONLY HITACHI BATTERY TYPES EB7 SERIES, EB9 SERIES, EB12 SERIES,
EB14 SERIES, EB18 SERIES AND EB24B. OTHER TYPES OF BATTERIES MAY BURST AND
CAUSE INJURY!
Follow these instructions to avoid the risk of injury:
WARNING: Improper use of the battery or battery charger can lead to serious injury.
To avoid these injuries:
1.NEVERdisassemble the battery.
2.NEVERincinerate the battery, even if it is damaged or is completely worn out. The
battery can explode in a fire.
3.NEVERshort-circuit the battery.
4.NEVERinsert any objects into the battery charger’s air vents. Electric shock or
damage to the battery charger may result.
5.NEVERcharge outdoors. Keep the battery away from direct sunlight and use only
where there is low humidity and good ventilation.
6.NEVERcharge when the temperature is below 32°F (0°C) or above 104°F (40°C).
7.NEVERconnect two battery chargers together.
8.NEVERinsert foreign objects into the hole for the battery or the battery charger.
9.NEVERuse a booster transformer when charging.
10. NEVERuse an engine generator or DC power to charge.
11. NEVERstore the battery or battery charger in places where the temperature may
reach or exceed 104°F (40°C).
12. ALWAYS operate charger on standard household electrical power (120 volts). Using
the charger on any other voltage may overheat and damage the charger.
13. ALWAYS wait at least 15 minutes between charges to avoid overheating the charger.
14. ALWAYS disconnect the power cord from its receptacle when the charger is not in
use.
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DISPOSAL OF THE EXHAUSTED BATTERY
WARNING: Do not dispose of the exhausted battery. The battery must explode if it
is incinerated. The product that you have purchased contains a
rechargeable battery. The battery is recyclable. At the end of it’s useful
life, under various state and local laws, it may be illegal to dispose of
this battery into the municipal waste stream. Check with your local
solid waste officials for details in your area for recycling options or
proper disposal.
SAVE THESE INSTRUCTIONS
AND
MAKE THEM AVAILABLE TO
OTHER USERS
AND
OWNERS OF THIS TOOL!
10
FUNCTIONAL DESCRIPTION
NOTE:
The information contained in this Instruction Manual is designed to assist you in the
safe operation and maintenance of the power tool.
NEVER operate, or attempt any maintenance on the tool unless you have first read and
understood all safety instructions contained in this manual.
Some illustrations in this Instruction Manual may show details or attachments that
differ from those on your own power tool.
MODEL
DS14DMR (BFK): with charger (UC14YFA) and case
DS14DMR (BGK): with charger (UC18YG) and case
DS18DMR (HLCK): with charger (UC24YJ) and case
DS18DMR (BLGK): with charger (UC18YG) and case
NAME OF PARTS
English
1. Cordless Driver Drill (DS14DMR and DS18DMR)
<DS14DMR>
Cap
Keyless Chuck
Push Button
Switch Trigger
Handle
Bit Holder
Shift Knob
Side Handle
Battery
Nameplate
Push Button
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<DS18DMR>
Keyless Chuck
Cap
Shift Knob
Nameplate
Push Button
Switch Trigger
Handle
Bit Holder
䡬 Battery (EB14B)
(For DS14DMR)
Latch
Battery
Terminal Hole
Nameplate
Side Handle
Fig. 1
Push Button
䡬 Battery (EB1830HL or
EB1820L)
(For DS18DMR)
Terminal Hole
Latch
Nameplate
2. Battery Charger
<UC14YFA for DS14DMR>
Pilot Lamp
Caution Plate
12
Battery Installation Hole
Nameplate
Fig. 2
<UC24YJ for DS18DMR><UC18YG for DS14DMR, DS18DMR>
Charge Time Lamp
Battery Installation Hole
Battery installation hole
English
Charge
Status Lamp
Caution Plate
Nameplate
Cord
Plug
Nameplate
Pilot lamp
Fig. 4Fig. 3
SPECIFICATIONS
1. Cordless Driver Drill
ModelDS14DMRDS18DMR
MotorDC motor
No-load speedLow0–400/min0–400/min
Metal (Thickness
1/16" (1.6 mm))(Mild Steel or(Mild Steel or
Small screw1/4" (6 mm)1/4" (6 mm)
1-3/4"
(44 mm)
1/2" (13 mm) 1/2" (13 mm)
Aluminum)Aluminum)
(8 mm × 75 mm)(8 mm × 100 mm)
Nickel cadmium battery
2" (50 mm)
Nickel-Metal Hydride battery
2. Battery Charger
ModelUC14YFAUC24YJUC18YG
Input power sourceSingle phase: AC 120 V 60 Hz
Charging timeApprox. 50 min.Approx. 28min.Approx. 50min.
(At a temperature of 68°F (20°C))
Charging voltageDC 7.2–14.4 VDC 7.2–24 VDC 7.2–18 V
Charging currentDC 2.6 ADC 7.5 ADC 2.6 A
Weight1.3 lbs. (0.6 kg)2.2 lbs. (1.0 kg)0.7 lbs. (0.3 kg)
NOTE: The charging time may vary according to temperature and power source voltage.
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English
ASSEMBLY AND OPERATION
APPLICATIONS
䡬 Use as a drill
Drilling of soft steel, wood, plastic and aluminum materials
䡬 Use as a screwdriver
Tightening and loosening of machine screws, wood screws and tapping screws
REMOVAL AND INSTALLATION METHOD OF BATTERY
䡬 How to install the battery
Align the battery with the groove in tool handle and slip it into place.
Always insert it all the way until it locks in place with a little click. If not, it may accidentally
fall out of the tool, causing injury to you or someone around you. (Fig. 5)
䡬 How to remove the battery
Withdraw battery from the tool handle while pressing the latch (2 pcs.) on the sides of
the battery. (Fig. 5)
Switch Trigger
Insert
Pull out
Fig. 5
Handle
Latch
Battery
Push
CHARGING METHOD
The following is an explanation of charging methods when using the battery charger
UC14YFA, UC24YJ or UC18YG. When charging using the ET18DM Multi Charger, please
read the separate ET18DM Instruction manual.
NOTE: Before plugging into the receptacle, make sure the following points.
䡬 The power source voltage is stated on the nameplate.
䡬 The cord is not damaged.
WARNING: Do not charge at voltage higher than indicated on the nameplate.
If charged at voltage higher than indicated on the nameplate, the
charger will burn up.
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English
Battery
<UC14YFA>
1. Insert the plug of battery charger into the receptacle.
When the plug of battery charger has been inserted into
the receptacle, pilot lamp will blink in red. (At 1-second
intervals)
Pilot Lamp
WARNING:
Do not use the electrical cord if
damaged. Have it repaired immediately.
Fig. 6
2. Insert the battery to the battery charger.
Insert the battery into the battery charger as shown in Fig. 6. Make sure it contacts the
bottom of the battery charger.
3. Charging
When the battery is connected to the battery charger, charging will commence and the
pilot lamp will light in red. (See Table 2)
NOTE: If the pilot lamp flickers in red, pull out the plug from the receptacle and check if
the battery is properly mounted.
When the battery is fully charged, the pilot lamp will blink in red slowly. (At 1-second
intervals) (See Table 2)
(1) Pilot lamp indication
The indications of the pilot lamp will be as shown in Table 2, according to the condition
of the charger or the rechargeable battery.
Table 2
Indications of the pilot lamp
Before
charging
While
charging
Charging
complete
Charging
impossible
Charging
impossible
Blinks
(RED)
Lights
(RED)
Blinks
(RED)
Flickers
(RED)
Lights
(GREEN)
Lights for 0.5 seconds. Does not light for
0.5 seconds. (off for 0.5 seconds)
Lights continuously
Lights for 0.5 seconds. Does not light for
0.5 seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for
0.1 seconds. (off for 0.1 seconds)
Lights continuously
Malfunction in the battery or the
charger
The battery temperature is high,
making recharging impossible.
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English
(2) Regarding the temperature of the rechargeable battery
The temperatures for rechargeable batteries are as shown in the table below, and
batteries that have become hot should be cooled for a while before being recharged.
Table 3 Recharging of batteries that have become hot
Rechargeable batteriesTemperatures at which the battery can be recharged
EB14B23°F—140°F (–5°C—60°C)
4. Disconnect battery charger from the receptacle.
CAUTION:
Do not pull the plug out of the receptacle by pulling on the cord.
Make sure to grasp the plug when removing from receptacle to avoid damaging cord.
5. Remove the battery from the battery charger.
Supporting the battery charger with hand, pull out the battery from the battery charger.
CAUTION:
● When the battery charger has been continuosly used, the battery charger will be heated,
thus constituting the cause of the failures. Once the charging has been completed,
give 15 minutes rest until the next charging.
● If the battery is rechraged when it is warm due to battery use or exposure to sunlight,
the pilot lamp may light in green.
The battery will not be recharged. In such a case, let the battery cool before charging.
● When the pilot lamp flickers in red (at 0.2–second intervals), check for and take out
any foreign objects in the charger’s battery installation hole. If there are no foreign
objects, it is probable that the battery or charger is malfunctioning. Take it to your
authorized Service Center.
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 first 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.
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English
Battery
Charge Time
Lamp
Charge
Status Lamp
<UC24YJ>
1. Insert the plug of battery charger into the receptacle.
When the plug of battery charger has been inserted into
the receptacle, the charge status lamp will blink in red.
(At 1-second intervals)
WARNING:
Do not use the electrical cord if
damaged. Have it repaired
immediately.
Fig. 7
2. Insert the battery to the battery charger.
Insert the battery into the battery charger as shown in Fig. 7. Make sure it contacts the
bottom of the battery charger.
3. Charging
When the battery is connected to the battery charger, charging starts, and the charge
time lamp lights red, orange, or green according to the remaining charging time. (See
Table 4)
(1) Lamp indications
This charger is equipped with a charge time lamp that indicates remaining charging
time, and a charge status lamp that indicates battery status as shown in Table 4.
(a) Charging time
After charging commences, the charge time lamp lights red indicating 30 minutes,
orange indicating 20 minutes, and green indicating 5 minutes until completion.
When the battery is fully charged, the charge status lamp lights green, and the
buzzer sounds continuously for 6 seconds.
(b) Overheat standby
When the battery is overheated, it cannot be charged, and the charge time lamp
flashes red (in 0.6 second intervals). Leave the battery inserted in the charger, and
charging will commence when the battery cools down.
(c) Charging impossible
When there is a malfunction with the battery or charger, the charge status lamp
flashes orange rapidly (in 0.2 second intervals), and the buzzer sounds intermittently
for 5 seconds.
(2) Regarding the temperature of the rechargeable battery
The temperatures for rechargeable batteries are as shown in the table below, and
batteries that have become hot should be cooled for a while before being recharged.
Table 5 Recharging of batteries that have become hot
Rechargeable batteriesTemperatures at which the battery can be recharged
EB1830HL32°F—122°F (0°C—50°C)
30 minutes until charging complete.
20 minutes until charging complete.
5 minutes until charging complete.
Battery overheated. Unable to charge.
(Charging will commence when battery cools.)
Power cord is connected to
Battery or charger malfunction.
4. Disconnect battery charger from the receptacle.
CAUTION:
Do not pull the plug out of the receptacle by pulling on the cord.
Make sure to grasp the plug when removing from receptacle to avoid damaging cord.
5. Remove the battery from the battery charger.
Supporting the battery charger with hand, pull out the battery from the battery charger.
CAUTION:
● Repair is required if the receptacle is not secured properly or the power cord does not
stay in the receptacle. Consult your electrician. Using the charger in this condition
may lead to fire.
● If the charge status lamp is blinking orange rapidly (in 0.2 second intervals) and the
buzzer sounds intermittently for 5 seconds, check that the hole for connecting the
battery is not obstructed. Remove any obstructions. If no obstructions are found, the
battery or charger may be malfunctioned. Return both to your place of purchase.
● If the charge time lamp does not light when the power cord is connected to the
receptacle, disconnect the power cord, and check that the battery is attached correctly.
● The battery retains heat when used or left for prolonged periods in direct sunlight. In
this state, the charge time lamp flashes red, and the battery cannot be charged
immediately. Leave the battery inserted in the charger, and charging will commence
when the battery cools down.
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English
● If the lamp goes out while charging, disconnect the power cord, and leave for 3 to 5
minutes before reconnecting. If the problem persists, call for repairs.
● Leave 5 minutes between charging batteries as the charger may overheat leading to
malfunction.
● The battery life is finished if it can only be used for short periods even when fully
charged. Purchase a new battery. Continuing to use a depleted battery may cause the
charger to malfunction.
NOTE:
䡬 Charging times may be longer depending on the surrounding temperature and battery
conditions.
䡬 Charge time lamp indications are only a guide, and may vary depending on the
surrounding temperature and battery conditions.
䡬 Remove the battery from the charger when not in use.
Revitalizing the battery (trickle recharge)
A new battery or a battery that has not been used for extensive periods may not charge
completely due to internal chemicals being inert.
Leave the battery inserted in the charger for 8 to 12 hours after charging is complete.
The charger automatically “revitalizes” the battery by trickle recharging.
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.
〈UC18YG〉
1. Insert the plug of battery charger into the receptacle
WARNING:Do not use the electrical cord if damaged. Have it
repaired immediately.
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English
2. Insert the battery to the battery charger
Insert the battery into the battery charger as
shown in Fig. 8. Make sure it contacts the bottom of the battery charger.
Battery (EB14B)
Battery (EB1820L)
Pilot lamp
Fig. 8
3. Charging
䡬 When the battery is connected to the battery charger, charging will commence and the
pilot lamp will light on.
NOTE: If the pilot lamp dose not light, pull out the plug from the receptacle and check if the
battery is properly mounted.
䡬 In approx. 50 min., when the battery is fully charged, the pilot lamp will go out.
NOTE: The battery charging time becomes longer when a temperature is low or the voltage
of the power source is too low.
When the pilot lamp does not go off even if more than four hour has passed after start
of the charging, stop the charging and contact your HITACHI AUTHORIZED SERVICE
CENTER.
䡬 Regarding the temperature of the rechargeable battery.
The temperatures for rechargeable batteries are as shown in the table below, and
batteries that have become hot should be cooled for a while before being recharged.
Table 6
Rechargeable batteryTemperatures at which the battery can be recharged
EB14B, EB1820L32°F — 113°F (0°C — 45°C)
BEFORE USE
Check the work area to make sure that it is clear of debris and clutter.
Clear the area of unnecessary personnel. Ensure that lighting and ventilation is adequate.
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OPERATION
1. Using the light equipped hook
WARNING: When using the hook, pay sufficient attention so that the main
equipment does not fall. If the tool falls, there is a risk of accident.
CAUTION:
● Do not attach the tip tool except phillips bit to the tool main unit when carrying the
tool main unit with the hook suspended from a waist belt.
Injury may result if you carry the equipment suspended from the waist belt with sharp
tipped components such as drill bit attached.
1.1 Using the hook
The hook can be installed on the right or left side
and the angle can be adjusted in 5 steps between
0° and 80°.
(1) Operating the hook
(a) Pull out the hook toward you in the direction
of arrow (A) and turn in the direction of arrow
(B). (Fig. 9)
(b) The angle can be adjusted in 5 steps (0°, 20°,
40°, 60°, 80°).
Adjust the angle of the hook to the desired
position for use.
(2) Switching the hook position
3
2
(B)
1
4
Fig. 9
5
(A)
Hook
CAUTION:
● If the tool falls, there is a risk that malfunction
and/or physical damage can occur. It is
recommended that you also use fall-preventing
wires, etc.
● Incomplete installation of the hook may result in
bodily injury when used.
(a) Securely hold the main unit and remove the
screw using a slotted head screwdriver or a
coin. (Fig. 10)
(b) Remove the hook and spring. (Fig. 11)
(c) Install the hook and spring on the other side
and securely fasten with screw. (Fig. 10)
Loosen
Screw
Fig. 10
Hook
Spring
Fig. 11
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English
NOTE:
Pay attention to the spring orientation.
Install the spring with larger diameter
away from you. (Fig. 12)
1.2 Using as an auxiliary light
(1) Press the switch to turn off the light.
If forgotten, the light will turn off
automatically after 15 minutes.
(2) The direction of the light can be adjusted
within the range of hook positions 1 - 5. (Fig.
13)
䡬 Lighting time
AAAA manganese batteries: approx. 15
hrs.
AAAA alkali batteries: approx. 30 hrs.
CAUTION:
● Do not look directly into the light.
Such actions could result in eye injury.
Screw
Larger diameter faces away
Fig. 12
Switch
1.3 Replacing the batteries
(1) Loosen the hook screw with a phillips-head
screwdriver (No. 1). (Fig. 14)
Remove the hook cover by pushing in the
direction of the arrow. (Fig. 15)
(2) Remove the old batteries and insert the new
batteries. Align with the hook indications and
position the plus (+) and minus (-) terminals
correctly. (Fig. 16)
(3) Align the indentation in the hook main body
with the protuberance of the hook cover,
press the hook cover in the direction opposite
to that of the arrow shown in Fig. 15 and then
tighten the screw.
Use commercially available AAAA batteries
(1.5 V).
NOTE:
Do not tighten the screw excessively. Such
action could strip the screw threads.
Hook
Screw
Hook
Fig. 13
Phillips-head
screwdriver
Fig. 14
Arrow
Hook cover
Fig. 15
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English
CAUTION:
● Failure to observe the following can result
in battery leakage, rust or malfunction.
Position the plus (+) and minus (-) terminals
correctly.
Replace both batteries at the same time. Do
not mix old and new batteries.
Remove exhausted batteries from the hook
Indentation
AAAA
batteries
immediately.
● Do not discard batteries together with
normal trash and do not throw batteries into
fire.
● Store batteries out of the reach of children.
● Use batteries correctly in accordance with
the battery specifications and indications.
2. Using the bit holder
CAUTION:
● Stow the bit in the specified location on the tool. If
the tool is used with the bit stowed improperly,
the bit may fall and cause bodily injury.
● Do not stow bits that are of a different length,
gauge or dimension than the plus driver bit (65 mm
long) included in the STANDARD ACCESSORIES.
The bit may fall and cause bodily injury.
Hook main body
Indentation
Bit
Protuberance
Protuberance
Hook cover
Fig. 16
Fig. 17
(1) Removing the bit
Securely hold the main unit and pull out the bit by
holding the tip with your thumb. (Fig. 17)
(2) Installing the Bit
Install the bit with steps opposite of when removing.
Insert the bit so that the right and left sides are
equal, as shown in Fig. 18.
3. Installing/Removing the side handle
CAUTION:
● Firmly install the side handle. If loose, the side
handle may gyrate or fall out and cause bodily
injury.
(1) Install the side handle so that the protrusions on
the main unit and grooves on the side handle
interlock. Tighten the grip after checking that the
side handle is not riding on the slip prevention
protrusion. (Fig. 19)
(2) Loosen the grip to remove the side handle.
Concave
Side
handle
Loosen
Grip
Insert so that
bit does not
protrude
from main
unit
Fig. 18
Rotate preventing
protrusion
Slip preventing
protrusion
Tighten
Fig. 19
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English
4. Mounting and dismounting the bit
Loosen
Sleeve
Tighten
Fig. 20
(2) Dismounting the bit
Loosen the sleeve by turning it toward the left (in the counterclockwise direction as
viewed from the front), and then take out the bit, etc. (See Fig. 20)
(1) Mounting the bit
Loosen the sleeve by turning it toward the left (in the
counterclockwise direction as viewed from the front) to
open the clip on the keyless chuck. After inserting a driver
bit, etc., into the keyless drill chuck, and tighten the sleeve
by turning it toward the right (in the clockwise direction
as viewed from the front). (See Fig. 20)
NOTE: If the sleeve becomes loose during operation,
tighten it further.
The tightening force becomes stronger when the
sleeve is tightened.
NOTE: If the sleeve is tightened in a state where the clip of the keyless chuck is opened to
a maximum limit, a click noise may occur. This is the noise that occurs when the
loosening of the keyless chuck is prevented and is not a malfunction.
CAUTION:
When mounting a bit into the keyless chuck, tighten firmly. If the sleeve is not tight,
the bit may slip or fall out, causing injury.
NOTE: Loosening stuck or hard to move sleeves.
Grasp the bit installed in the keyless chuck, in a vise or similar tool.
Set the cap position to “1-7” and turn the switch on. The motor then starts.
Finally, rotate the sleeve to the left, and it will loosen.
5. Automatic spindle-lock mechanism
This unit has automatic spindle-lock mechanism for quick bit changes.
6. Confirm that the battery is mounted correctly
7. Check the rotational direction
Trigger
switch
R
Selector
Button
Fig. 21
24
The bit rotates clockwise (viewed from the rear side)
by pushing the R-side of the selector button.
The L-side of the selector button is pushed to turn
the bit counterclockwise. (See Fig. 21) (The
L
marks are provided on the selector button.)
䡬 When the trigger switch is depressed, the tool rotates.
When the trigger is released, the tool stops.
䡬 The rotational speed of the drill can be controlled by
L
varying the amount that the trigger switch is pulled.
Speed is low when the trigger switch is pulled slightly
and increases as the trigger switch is pulled more.
䡬 When releasing the trigger of the switch, the brake
will be applied for immediate stopping.
and
R
8. Change rotation speed
Shift knob
English
Shift knob
High speed
Fig. 22Fig. 23
Operate the shift knob to change the rotational speed. Move the shift knob in the direction
of the arrow. (See Fig. 22 and 23)
When the shift knob is set to “LOW”, the drill rotates at a low speed. When set to
“HIGH”, the drill rotates at a high speed.
CAUTION:
● When changing the rotational speed with the shift knob, confirm that the switch is off.
Changing the speed while the motor is rotating will damage the gears.
● When a large force is required for operation (operations indicated in the following
chart) set the shift knob to “LOW”. If “HIGH” is set and the unit is used, it may cause
the motor to burn out or malfunction prematurely.
ModelDS14DMRDS18DMR
Metal Drilling
Wood Drilling
Wood Screw
Tightening
When the diameter of the hole exceeds 5/16" (8 mm).
When the diameter of the hole
exceeds 15/16" (24 mm).
When the size of the wood screw exceeds 3/16" (4.8 mm)
diameter × 2" (50 mm).
Low speed
When the diameter of the hole
exceeds 1-1/16" (27 mm).
9. Confirm the cap position (See Fig. 24)
Cap
Triangle mark
Drill
mark
The tightening torque of this unit can be adjusted
according to the cap position, at which the cap is set.
(1) When using this unit as a screwdriver, line up the one
of the numbers “1, 4, 7 ... 22” on the cap, or the black
dot, with the triangle mark on the outer body.
(2) When using this unit as a drill, line up the cap drill
mark “
” with the triangle mark on the outer body.
Fig. 24
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English
Drill mark
Triangle mark
Black line
Fig. 25
CAUTION:
● The cap cannot be set between the numerals “1, 4, 7
... 22” or the black dot.
● Do not use with the cap numeral at “22” and the black
line at the middle of the drill mark. Doing so may cause
damage. (See Fig. 25)
10. Tightening torque adjustment
(1) Tightening torque
Tightening torque should correspond in its intensity to the screw diameter. When too
strong power is used, the screw head may be broken or be injured.
Be sure to adjust the cap position according to the screw diameter.
(2) Tightening torque indication (See Fig. 24)
The tightening torque differs depending on the type of screw and the material being
tightened.
The unit indicates the tightening torque with the numbers “1, 4, 7 ... 22” on the cap, and
a black dot. The tightening torque at position “1” is the weakest and the torque is
strongest at the highest number.
(3) Adjusting the tightening torque (See Fig. 24)
Rotate the cap and line up the numbers “1, 4, 7 ... 22” on the cap, or the black dot, with
the triangle mark on the outer body. Adjust the cap in the weak or the strong torque
direction according to the torque you need.
CAUTION:
● The motor rotation may be locked to cease while the unit is used as drill. While operating
the driver drill, take care not to lock the motor.
● When setting the shift knob to “HIGH” (high speed) and the position of the cap is
between “16” and “22”, it may happen that the clutch does not engaged and that the
motor is locked. In such a case, please set the shift knob to “LOW” (low speed).
● If the motor is locked, immediately turn the power off. If the motor is locked for a
while, the motor or battery may be burnt.
● Too long hammering may cause the screw broken due to excessive tightening.
● A buzzing noise is produced when the motor is about to rotate; this is only a noise, not
Machine screw
tightening.
Screw tightening for
soft wood material.
Screw tightening for
hard wood material.
Thick screw tightening.
When used as a drill.
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MAINTENANCE AND INSPECTION
CAUTION: Pull out battery before doing any inspection or maintenance.
1. Checking the condition of the bit
The bits should be checked regularly. If worn or broken bits can slip or decrease the
efficiency of the motor and burn it out.
Replace worn bits with new ones.
CAUTION:If you use a driver bit of which point is worn or broken, it will be dangerous
since it slips. So replace it with a new one.
2. Check the Screws
Loose screws are dangerous. Regularly inspect them and make sure they are tight.
CAUTION:Using this power tool with loosened screws is extremely dangerous.
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. Inspecting the carbon brushes (Fig. 26)
The motor employs carbon brushes which are
consumable parts. Since and excessively worn
carbon brush can result in motor trouble, replace
the carbon brush with new ones when it becomes
worn to or near the “wear limit”. In addition,
always keep carbon brushes clean and ensure that
they slide freely within the brush holders.
NOTE:
When replacing the carbon brush with a new one,
be sure to use the Hitachi Carbon Brush Code No.
999054.
5. Replacing carbon brushes
Take out the carbon brush by first removing the
brush cap and then hooking the protrusion of the
carbon brush with a flat head screw driver, etc.,
as shown in Fig. 27, Fig. 28.
When installing the carbon brush, choose the
direction so that the nail of the carbon brush
agrees with the contact portion outside the brush
tube. Then push it in with a finger as illustrated in
Fig. 29. Lastly, install the brush cap.
Wear limit
0.12" (3 mm)
0.45"
(11.5 mm)
Fig. 26
Nail of carbon brush
Protrusion
of carbon
brush
Fig. 27
Fig. 28
28
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