Makita DTW253 User manual
INSTRUCTION MANUAL
Cordless Impact Wrench
DTW253
ENGLISH: Original instructions
Read before use.
2ENGLISH
SPECIFICATIONS
Model DTW253
Capacities Standard bolt M8 - M16
High tensile bolt M6 - M12
Square drive 9.5 mm
No load speed (min-1)0 - 2,100
Impacts per minute 0 - 3,200
Max. fastening torque
Overall length 155 mm
Net weight 1.3 kg
Rated voltage D.C. 18 V
-
out notice.
Symbols
-
use.
Read instruction manual.
Cd
Ni-MH
Li-ion
pack together with household waste material!
-
and accumulators and waste batteries and
accumulators and their implementation
in accordance with national laws, electric
reached the end of their life must be col-
-
Intended use
The tool is intended for fastening bolts and nuts.
General Power Tool Safety Warnings
WARNING Read all safety warnings and all instruc-
tions.
Save all warnings and instruc-
tions for future reference.
(cordless) power tool.
Work area safety
1. Keep work area clean and well lit. Cluttered or
dark areas invite accidents.
2. Do not operate power tools in explosive atmo-
liquids, gases or dust.
3. Keep children and bystanders away while
operating a power tool. Distractions can cause
Electrical safety
4. 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.
reduce risk of electric shock.
5. Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of elec-
6. Do not expose power tools to rain or wet con-
ditions. Water entering a power tool will increase
the risk of electric shock.
7. 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.
8. When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
a cord suitable for outdoor use reduces the risk of
electric shock.
9. If operating a power tool in a damp location is
unavoidable, use a ground fault circuit inter-
rupter (GFCI) protected supply.
reduces the risk of electric shock.
Personal safety
10. 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
-
ication.
11. Use personal protective equipment. Always
wear eye protection.
hearing protection used for appropriate conditions
12. 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.
that have the switch on invites accidents.
3ENGLISH
13. Remove any adjusting key or wrench before
turning the power tool on.
14. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
15. Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing, and gloves
away from moving parts.-
16. If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used.
dust collection can reduce dust-related hazards.
Power tool use and care
17. Do not force the power tool. Use the correct
power tool for your application. The correct
rate for which it was designed.
18. Do not use the power tool if the switch does
not turn it on and off.
be controlled with the switch is dangerous and
must be repaired.
19. 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 pre-
20. Store idle power tools out of the reach of chil-
dren and do not allow persons unfamiliar with
the power tool or these instructions to operate
the power tool.
hands of untrained users.
21. Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may affect the
power tool’s operation. If damaged, have the
power tool repaired before use.
22. Keep cutting tools sharp and clean.
maintained cutting tools with sharp cutting edges
23. Use the power tool, accessories and tool bits
etc. in accordance with these instructions, tak-
ing into account the working conditions and
the work to be performed.
for operations different from those intended could
result in a hazardous situation.
Battery tool use and care
24.
the manufacturer.
25. -
nated battery packs.
26. 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.-
27.
Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact acci-
-
tacts eyes, additionally seek medical help. Liquid
Service
28.
repair person using only identical replacement
parts.
tool is maintained.
29. Follow instruction for lubricating and chang-
ing accessories.
30. Keep handles dry, clean and free from oil and
grease.
CORDLESS IMPACT WRENCH
SAFETY WARNINGS
1. Hold power tool by insulated gripping sur-
faces, when performing an operation where
the fastener may contact hidden wiring.
exposed metal parts of the power tool "live" and
could give the operator an electric shock.
2. Wear ear protectors.
3. Check the socket carefully for wear, cracks or
damage before installation.
4.
5.
Be sure no one is below when using the tool in
high locations.
6. The proper fastening torque may differ
depending upon the kind or size of the bolt.
Check the torque with a torque wrench.
SAVE THESE INSTRUCTIONS.
WARNING: DO NOT let comfort or famil-
iarity with product (gained from repeated
use) replace strict adherence to safety
rules for the subject product. MISUSE or
failure to follow the safety rules stated in
this instruction manual may cause serious
personal injury.
IMPORTANT SAFETY
INSTRUCTIONS
FOR BATTERY CARTRIDGE
1.
Before using battery cartridge, read all instruc-
tions and cautionary markings on (1) battery
charger, (2) battery, and (3) product using battery.
2. Do not disassemble battery cartridge.
3. If operating time has become excessively
shorter, stop operating immediately. It may
result in a risk of overheating, possible burns
and even an explosion.
4.
If electrolyte gets into your eyes, rinse them out
with clear water and seek medical attention right
away. It may result in loss of your eyesight.
5. Do not short the battery cartridge:
(1) Do not touch the terminals with any con-
ductive material.
4ENGLISH
(2) Avoid storing battery cartridge in a con-
tainer with other metal objects such as
nails, coins, etc.
(3) Do not expose battery cartridge to water
or rain.
A battery short can cause a large current
breakdown.
6. Do not store the tool and battery cartridge in
locations where the temperature may reach or
exceed 50°C (122°F).
7. Do not incinerate the battery cartridge even if
it is severely damaged or is completely worn
8. Be careful not to drop or strike battery.
9. Do not use a damaged battery.
SAVE THESE INSTRUCTIONS.
Tips for maintaining maximum
battery life
1. Charge the battery cartridge before completely
discharged.
Always stop tool operation and charge the bat-
tery cartridge when you notice less tool power.
2.
Never recharge a fully charged battery cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room tem-
perature at 10°C - 40°C (50°F - 104°F). Let a hot
battery cartridge cool down before charging it.
4.
Charge the battery cartridge once in every six
months if you do not use it for a long period of time.
FUNCTIONAL
DESCRIPTION
CAUTION:
-
ing or checking function on the tool.
Installing or removing battery
cartridge
1
2
3
1. Red indicator 2. Button 3.
tool while sliding the button on the front of the
cartridge.
-
Battery protection system (Lithium-
ion battery with star marking)
1
1. Star marking
Lithium-ion batteries with a star marking are equipped
conditions:
The tool is operated in a manner that causes
In this situation, release the trigger switch on
the tool and stop the application that caused
the tool to become overloaded. Then pull the
trigger switch again to restart.
-
before pulling the trigger switch again.
and the tool will not operate. In this situation,
5ENGLISH
Switch action
1
1. Switch trigger
CAUTION:
position when released.
trigger. Release the switch trigger to stop.
Lighting up the front lamp
1
1. Lamp
CAUTION:
keeps on lighting while the switch trigger is being pulled.
the switch trigger is released.
NOTE:
lamp. Be careful not to scratch the lens of lamp,
Reversing switch action
AB
1
1. Reversing switch lever
This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the
-
terclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion, the switch trigger cannot be pulled.
CAUTION:
operation.
comes to a complete stop. Changing the direc-
-
age the tool.
reversing switch lever to the neutral position.
ASSEMBLY
CAUTION:
Selecting correct socket
or nut.
6ENGLISH
Installing or removing socket
1
2
1. Socket 2.
To install the socket, push it onto the anvil of the tool
until it locks into place.
OPERATION
CAUTION:
on the upper side of the button, it is not locked
nut. Turn the tool on and fasten for the proper fastening
time.
the kind or size of the bolt, the material of the workpiece
to be fastened, etc. The relation between fastening
N m
80
100
60
01.0 2.0
3.0
(S)
M14
M12
M10
M10
M12
M14
Fastening torque
Fastening time
Proper fastening torque
(kgf cm)
120
140
40
20
.
Standard bolt
.
01.0 2.0
3.04.0 5.0
(S)
M8
M10
M10
M8
Fastening time
Fastening torque
Proper fastening torque
80
100
60
120
140
40
20
M12
High tensile bolt
N m
(kgf cm)
.
.
M12
NOTE:
to rest for 15 minutes before proceeding with a
check the torque with a torque wrench.
torque will be reduced.
2. Socket
cause a reduction in the fastening torque.
square end) will cause a reduction in the
fastening torque.
3. Bolt
class of bolt are the same, the proper fasten-
ing torque will differ according to the diame-
ter of bolt.
7ENGLISH
same, the proper fastening torque will differ
of bolt and the bolt length.
bar somewhat reduces the fastening force of the
longer period of time.
5.
The manner of holding the tool or the material of
driving position to be fastened will affect the torque.
6. Operating the tool at low speed will cause a reduc-
tion in the fastening torque.
MAINTENANCE
CAUTION:
-
ing to perform inspection or maintenance.
Never use gasoline, benzine, thinner, alcohol or the
Replacing carbon brushes
1
1. Limit mark
the carbon brushes clean and free to slip in the holders.
Both carbon brushes should be replaced at the same
the rear cover.
1
2
1. Rear cover 2. Screws
Raise the arm part of the spring and then place it in the
recessed part of the housing with a slotted bit screw-
driver of slender shaft or the like.
1
2
3
1. Spring 2.3. Recessed part
carbon brushes. Take out the worn carbon brushes,
insert the new ones and replace the carbon brush caps
in reverse.
1
1. Carbon brush cap
1
2
1. Hole 2. Carbon brush cap
Reinstall the rear cover and tighten two screws
no load for about 1 minute. Then check the tool while
running and electric brake operation when releasing the
switch trigger. If electric brake is not working well, ask
-
using Makita replacement parts.
OPTIONAL
ACCESSORIES
CAUTION:
-
its stated purpose.
-
Center.
chargers
NOTE:
Makita Corporation
3-11-8,Sumiyoshi-cho,
Anjo,Aichi446-8502 Japan
www.makita.com
885279-925
20160513
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