Keyang DD-1442L-2 User guide

CORDLESS DRIVER DRILL
(Li-ion Battery)
www.keyang.com
DD-1442L-2
To reduce the risk of injury,
user must read instruction
manual
2010.07
823-2 Wonsi-dong, Danwon-gu, Ansan-shi, Kyonggi-do, KOREA
Tel : Int+82-31-490-3000 Fax : Int+82-31-490-3019
Disposal of Old Electrical & Electronic Equipment (Applicable in the European
Union and other European countries with separate collection systems)
This symbol on the product or on its packaging indicates that this product shall not be
treated as household waste. Instead it shall be handed over to the applicable
collection point for the recycling of electrical and electronic equipment. By ensuring
this product is disposed of correctly, you will help prevent potential negative
consequences for the environment and human health, which could otherwise be
caused by inappropriate waste handling of this product. The recycling of materials
will help to conserve natural resources. For more detailed information about recycling
of this product, please contact your local city office, your household waste disposal
service or the shop where you purchased the product.
ORIGINAL INSTRUCTION MANUAL
EN

3
General Power Tool Safety Warnings
WARNING! Read all safety warning and all instructions.
Failure to follow the warning instructions may result in electric shock, fire and/or seroius
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 and dark areas invite accidents.
b) 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 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(gorunded) power tools.
Unmodified plugs and matching outlets will reduce risk of eteclric 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 codltions.
Water entering a power tool will increase the risk of electric shock.
d) Do not abuse the cord. Never use the cord carrying, pulling or unplugging the
pow 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 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
2
It is essential that instruction
manual is read before the power
tool is operated for the first time.
Always keeps this instruction manual
together with the power tool.
Ensure that the instruction manual
is with the power tool when it is
given to other persons.
Table of Contents
1. General Power Tool Safety Warnings 3
2. Specific Safety and Warnings 6
3. Specifications and List of Contents 9
4. Description of Functions and Applications 10
5. Check before Use 11
6. Operating Instructions 12
7. Maintenance 16
Note
As our engineers are striving for the constant research
and development to develop the quality of products,
shape or structure of our model can be changed
without previous notice.

5
e) Maintain power tools. Check for misalignment or binding of moving parts,
breakage of parts and any other condition that may affect the power tools
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 different from those intended could result in a
hazardous situation.
5) Battery tool use and care
a) Recharge only with the charger specified by the manufacturer.
A charger that is suitable for one type of battery pack may create a risk of fire when
used with another battery pack.
b) Use power tools only with specifically designated battery pack.
Use of any other battery packs may create a risk of injury and fire.
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 teminals together may cause burns or a fire.
d) Under abusive conditions, liquid may be ejected from the battery; avoid
contact. If contact accidentally occurs, flush with water. If liquid contacts
eyes, additionally seek medical help.
Liquid ejected from the battery may cause irritation or burns.
6) Service
a) Have your power tool serviced by a qualified repair person using only
identical replacement parts.
This will ensure that the safety of the power tool is maintained.
4
influence of drugs, alcohol or medication.
A moment of inattention while operationg power tools may result in serious personal
injury.
b) Use safety equipment. Always wear eye protection.
Safety equipment such as dust mask, non-skid safety shoes, hard hat, or hearing
protection used for appropriate conditions will reduce personal injuries.
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 finger 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 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,
clothing and gloves 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.
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 the battery pack
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 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.

76
Do not make your fingers and hands touch with the drill bit during
operation.
When your fingers and hands are touched with the drill bit or caught in it, you may
be injured seriously.
Do not leave the running tool.
Other operators stayed close to you may be injured.
Set the forward/reverse lever in the neutral position while you are
changing or operating the tool.
Careless operating of the switch may cause a serious injury by the rotating part of
the tool.
Make sure the battery is attached in the body of the tool tightly before
you start operation.
When the battery is not attached tightly, it may be fallen during the operation and
cause an injury in the top of your foot.
Charge only Keyang appoved rechargeable batteries. Other types of
batteries may burst causing personal injury and damage
Do not disassemble battery.
Imcorrect reassembly may result in a risk of electric shock, electrocution or fire.
Accessories may be hot after prolonged use.
When removing the bit from the tool avoid contact with skin and use proper
protective gloves when grasping the bit or accessory.
Keep the battery from being overheated.
If overheated battery is inserted, high temperature standby is indicated and charging
can only start after the battery has been cooled down.
Leaving the battery for a prolonged time without using it will shorten the life
of the battery.
If the battery is to be stored for a prolonged time, charge it completely before storing it.
To use the battery for a long period of time, charge it completely every 3 months.
Specific Safety and Warnings
Do not use the charger under the rain or when it is wet.
Failure to observe this can cause serious injury or death due to electric shock.
Do not insert metal wire or any conductive object through the ventilating
opening of the charger.
Failure to observe this can cause serious injury or death due to electric shock.
Do not attempt to disassemble the charger and keep the charger out of the
reach of children.
If the cord of the charger has been damaged, replace or repair it immediately.
Using the charger with damaged cord may cause electric shock.
Electric shock may cause injury.
Do not throw the battery into the live fire.
In the fire, the battery may explode due to high temperature and cause serious injury.
Do not short the terminals of the battery
If the terminals of the battery is short circuited, excessive current will flow and fire or
explosion may occur causing serious injury. When the battery is not used, store it after
mounting the protective cap firmly in place.
Avoid strong impact on the battery and do not pierce the battery case with a
sharp object.
Fire or explosion may occur causing serious injury.
Store the battery indoors at 0 ~40 and avoid direct light and closed hot
and humid places.
Fire or explosion may occur causing serious injury.

98
Return waste material The battery
temperatures over 50
cause damage
Do not incinerate the
battery pack
Do not dispose of
batteries with general
refuse.
V - Volts
V- Direct Current
- Rotation only
- Class construction
V - No load speed
/min - Revolutions or reciprocations
per minute
~ - Alternating current
no
Wear goggles Wear safety helmet Wear ear plugs Wear protective gloves
An explanation of any symbols or pictograms on the tool
relevant to safe use
Max. 50
EC Declaration of conformity
We declares that these products meet the standards
EN 60745-1, EN 60745-2-1, EN 60335-1, EN 60335-2-29, EN 55014-1, EN 55014-2,
EN 61000-3-2 and EN 61000-3-3 ( Category )
in compliance with directives 2006/95/EC, 2006/42/EC, 2004/108/EC.
(Legally binding signature of the issuer)
Ki Hwang, Lee
Director of R&D and Quality Assurance
1. Specifications
2. List of Contents
Specifications and List of Contents
Rated voltage [V ]
Chuck capacity[mm]
Weight(Without battery)[kg]
Model
Items
1st gear
2nd gear
Steel
Wood
Wood screw
Noload speed
[/ min ]
Maximum
capacity
[mm]
Voltage [V ]
Capacity [mAh]
Weight [kg]
Input voltage [V ]
Output voltage [V]
Charging current [A]
Charging time [min]
Weight [kg]
Safety class
Tool
Battery
Battery
Charger
Plastic case
Battery
Battery Charger
Instruction manual
1EA
1or 2EA
1EA
1EA
DD-1442L-2
Model BL14405

Drilling mode : For drilling in woods, metals, plastics or other non concrete
materials.
2. Applications
1. Description of Functions
DD-1442L-2
Charger (C14435)
Battery slots
Power cord
Battery
On/Off switch
Rotation direction switch
chuck
Torque adjustment ring
Charge state LED
Description of Functions and Applications
Battery (BL14405)
Speed selector switch
Work light
Work light
Button
Battery state
Button
Observe correct main voltage. The voltage of power source must agree with the
voltage specified in the name plate.
Make sure the rated voltages in the electric drill and the battery are the same.
When the rated voltage of the battery is higher than that of the electric drill, the
motor can be damaged by fire.
1. The power source
Before starting the work, wear protection (goggles,safety helmet, ear plugs,
protective gloves) and run the tool in the direction avoiding other persons to see if
the tool is operated normaly.
Make sure the battery is attached correctly before you use the electric tool.
4. Trial run
2. Attachment of the battery
Make sure the battery is attached in the body of the tool tightly before you start
operation. When the battery is not attached tightly, it may be fallen during the
operation and cause an injury in the top of your foot.
3. Polarity of the battery
When the polarity of the battery is not correct, it may cause the trouble of
the switch. Also, the reversal of the rotating direction can bring a
dangerous situation.
Check before Use
Housing

(1) Insert the plug of the charger in the socket, and the charging indicating lamp will be
flickered in green,red and yellow in turn within one second. And then, the battery
charger will be in the standby position.
(2) Insert the battery in the battery charger considering the polarity, and the charging will
be started immediately.
(3) When the battery working time is remarkably short despite full charging, the life of the
battery may be over. Replace the battery immediately.
1. How to charge the battery
Take care not to short-circuit the terminal of the battery. The short-circuit of the
terminal may cause a fire or explosion doing a serious personal injury.
A new battery will work properly after five times of charging and discharging.
Charge and discharge the battery, which is not used for a long time, for two to
three times to function well.
Operating Instructions
1) Charging indication
Green Blinks : Before charging
Red Lights : While charging
Green Lights : Charging completed
Red Blinks : Overheat standby
(Battery overheated)
Yellow Blinks : Charging impossible
2) If charging of the heated battery is attempted immediately after it has been used or
charged, indicator blinks in red (overheat standby). Also, cooling fan in the charger
automatically starts running to cool the hot battery down to normal temperature and,
after the cooling, indication changes to red glowing and charging begins.
3) This charger detects charge status and transfers to fine charging mode when the
battery has been almost fully charged and keeps the battery in full charge state.
2. Charging process
Use only the specified battery and battery charger. Otherwise the motor can
be damaged by fire or the output may be decreased.
Be sure to unplug the charger after finishing the charging.
1) Installing
Set the rotational direction switch at center position
(locked state).
Insert the charged battery into the slot below the
handle until the battery securely latched with a click.
2) Removing
Push the battery button once and take it out to
remove it.
3. Installing and removing battery
Always set the rotational direction switch at center position when inserting the battery
or changing, carrying or storing the tool.
4. Charge state of the battery
The charge state can be checked on
the LED by pressing the charge state
indicator button
1 = Battery 70 - 100% charged
2 = Battery 30 - 69% charged
3 = Battery less than 30% charged
4 = Battery flat of defective
5. Work light
1) It is convenient if you use lighting
function when working in a dark place.
2) Press the light button with arrow mark
to turn the light on and press the
work light button again to turn it off.
Work light will be automatically turned off 10 minutes after it has been
turned on.

1) Press the switch
The power tool switch allows the
speed to be increased steplessly up to
maximum.
2) Move the speed selector switch
1: Low speed, high torque
2: High speed, low torque
7. Adjusting the Speed
L (Left rotation) : Counterclockwise direction
(for loosening of screw)
R (right rotation) : Clockwise direction
(for fastening of screw, drilling)
Neutral : Rotation lock (for changing the bit)
6. Reversing the Rotation Direction
Reversing the rotation direction must be done only when the tool is switched off.
Reversing the direction during operation may damage the tool
Do not change direction of rotation until the power tool is at a stand still.
1)Screw work
Selection is feasible from among five setting ranges by force (torgue)
adjustment ring.
low setting range when working with small screw or at soft working material.
high setting range when working with large screw or at hard working material.
When the tool is reached at the set torque, the overload clutch begins to work to
keep the tool in the desired torque. You should set the desired torque in the practical
work.
2) Drilling
Set the torque adjustment ring to the drilling position.( )
The switch has braking function. When you release the switch, it brings the motor to
a sudden stop. Also, the surplus rotation will be stopped.
It is very convenient for fastening screws in soft materials processed.
8. Torque setting
Measured values are according to EN 60745
10. Noise and vibration
Put on noise prevention earflap!
The drill spindle is locked when the switch is not pressed.
This makes quick and easy changing of the tool in the drill chuck possibble.
9. Automatic Spindle Lock
When the drill is locked by overload while you use it in drilling position, let the
switch go immediately to release the locked tool. If the locking status lasted for a
long time, the motor can be overheated and damaged by fire.
Power tool
A-weighted sound power level (LWA) [dB(A)]
A-weighted emission level (LpA) [dB(A)]
Uncertainty (K) [dB(A)]
Vibration value(ah) [m/s ]
Uncertainty (K) [m/s ]
DD-1442L-2
2
2
88
77
3
2.5
1.5

Always keep tool and air ventage clean for safe work.
Hold the power tool with one hand and rotate
the chuck with the other hand.
- To open the chuck, rotate it counterclockwise.
- To close the chuck, rotate it clockwise.
Insert tools.
Close the chuck fully.
Carry out a test run to check that the tool is
clamped in the centre.
1. Changing tool
Before you change the tool, you must remove the battery from the body of the electric drill or
set the rotational direction swith in lock position (neutral position).
Maintenance
4. What to do when the tool does not work normally
The repair shall be requested to the qualified electric speciailst.
Do not dispose of the battery with home garbage or into the fire or river.
The tool and its accessories contain much raw materials and plastics that can be
recycled after their life. Therefore, plastic parts are indicated are indicated with their
material types so that they can be classified and recycled for each material type.
3.Environmental Protection
2. Using the Hook
HookHole
Hook
Screw
You can carry the equipement suspended from the waist belt. And the hook can be
installed on the right or left side by fastening screw. When using the hook, pay
sufficient attention so that the main equipement does not fall. You can remove the
hook by unfastening screw.
When using the hook, pay sufficient attention so thet the main equipement
dose not fall, there is a risk of accident. Incomplete installation of the
hook may result bodily injury when used.
5. Y attachment cord
If the replacement of the supply cord is necessary. this has to be done by the
manufacturer or his agent in order to avoid a safety hazard.
For power tool with type Y attachment: if the replacement of the supple cord is necesary,
this has to be done by the manufactuer or his agent in order to avod a safety hazard.
It is very dangerous for customers to troubleshoot or repair the tool for themselves,
Contact the nearest A/S center (sales agency) and request for a service