MAKITA TW007G User Manual

INSTRUCTION MANUAL  
Cordless Impact Wrench  
TW007G  
TW008G  
Read before use.  
Save all warnings and instruc-  
WARNING: Wear ear protection.  
tions for future reference.  
The term "power tool" in the warnings refers to your  
mains-operated (corded) power tool or battery-operated  
(cordless) power tool.  
WARNING: The noise emission during actual  
use of the power tool can differ from the declared val-  
ue(s) depending on the ways in which the tool is used  
especially what kind of workpiece is processed.  
Work area safety  
WARNING: Be sure to identify safety measures  
to protect the operator that are based on an estima-  
tion of exposure in the actual conditions of use (tak-  
ing account of all parts of the operating cycle such  
as the times when the tool is switched off and when  
it is running idle in addition to the trigger time).  
1.  
Keep work area clean and well lit. Cluttered or  
dark areas invite accidents.  
2.  
Do not operate power tools in explosive atmo-  
spheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks  
which may ignite the dust or fumes.  
3.  
Keep children and bystanders away while  
operating a power tool. Distractions can cause  
you to lose control.  
Vibration  
The vibration total value (tri-axial vector sum) deter-  
mined according to EN62841-2-2:  
Electrical safety  
Model TW007G  
1.  
Power tool plugs must match the outlet. Never  
Work mode: impact tightening of fasteners of the maxi-  
mum capacity of the tool  
modify the plug in any way. Do not use any  
adapter plugs with earthed (grounded) power  
tools. Unmodified plugs and matching outlets will  
reduce risk of electric shock.  
Vibration emission (ah) : 19.7 m/s2  
Uncertainty (K) : 1.5 m/s2  
Model TW008G  
2.  
Avoid body contact with earthed or grounded  
surfaces, such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of elec-  
tric shock if your body is earthed or grounded.  
Work mode: impact tightening of fasteners of the maxi-  
mum capacity of the tool  
Vibration emission (ah) : 19.7 m/s2  
Uncertainty (K) : 1.5 m/s2  
3.  
4.  
Do not expose power tools to rain or wet con-  
ditions. Water entering a power tool will increase  
the risk of electric shock.  
NOTE: The declared vibration total value(s) has been  
measured in accordance with a standard test method  
and may be used for comparing one tool with another.  
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.  
NOTE: The declared vibration total value(s) may also  
be used in a preliminary assessment of exposure.  
WARNING: The vibration emission during actual  
use of the power tool can differ from the declared val-  
ue(s) depending on the ways in which the tool is used  
especially what kind of workpiece is processed.  
5.  
6.  
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.  
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.  
WARNING: Be sure to identify safety measures  
to protect the operator that are based on an estima-  
tion of exposure in the actual conditions of use (tak-  
ing account of all parts of the operating cycle such  
as the times when the tool is switched off and when  
it is running idle in addition to the trigger time).  
7.  
Power tools can produce electromagnetic fields  
(EMF) that are not harmful to the user. However,  
users of pacemakers and other similar medical  
devices should contact the maker of their device and/  
or doctor for advice before operating this power tool.  
EC Declaration of Conformity  
Personal safety  
For European countries only  
1.  
Stay alert, watch what you are doing and use  
The EC declaration of conformity is included as Annex A  
to this instruction manual.  
common sense when operating a power tool.  
Do not use a power tool while you are tired or  
under the influence of drugs, alcohol or med-  
ication. A moment of inattention while operating  
power tools may result in serious personal injury.  
SAFETY WARNINGS  
2.  
3.  
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.  
General power tool safety warnings  
WARNING: Read all safety warnings, instruc-  
tions, illustrations and specifications provided  
with this power tool. Failure to follow all instructions  
listed below may result in electric shock, fire and/or  
serious injury.  
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.  
3
ENGLISH  
4.  
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.  
5.  
Maintain power tools and accessories. Check for  
misalignment or binding of moving parts, break-  
age of parts and any other condition that may  
affect the power tool’s operation. If damaged, have  
the power tool repaired before use. Many accidents  
are caused by poorly maintained power tools.  
5.  
6.  
Do not overreach. Keep proper footing and  
balance at all times. This enables better control  
of the power tool in unexpected situations.  
6.  
7.  
Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges  
are less likely to bind and are easier to control.  
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.  
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.  
7.  
8.  
9.  
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.  
8.  
9.  
Keep handles and grasping surfaces dry, clean  
and free from oil and grease. Slippery handles and  
grasping surfaces do not allow for safe handling and  
control of the tool in unexpected situations.  
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.  
When using the tool, do not wear cloth work gloves  
which may be entangled. The entanglement of cloth work  
gloves in the moving parts may result in personal injury.  
Always wear protective goggles to protect  
your eyes from injury when using power tools.  
The goggles must comply with ANSI Z87.1 in  
the USA, EN 166 in Europe, or AS/NZS 1336  
in Australia/New Zealand. In Australia/New  
Zealand, it is legally required to wear a face  
shield to protect your face, too.  
Battery tool use and care  
1.  
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.  
2.  
3.  
Use power tools only with specifically desig-  
nated battery packs. Use of any other battery  
packs may create a risk of injury and fire.  
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 termi-  
nals together may cause burns or a fire.  
4.  
5.  
Under abusive conditions, liquid may be  
ejected from the battery; avoid contact. If con-  
tact accidentally occurs, flush with water. If  
liquid contacts eyes, additionally seek medical  
help. Liquid ejected from the battery may cause  
irritation or burns.  
It is an employer's responsibility to enforce  
the use of appropriate safety protective equip-  
ments by the tool operators and by other per-  
sons in the immediate working area.  
Do not use a battery pack or tool that is dam-  
aged or modified. Damaged or modified batteries  
may exhibit unpredictable behaviour resulting in  
fire, explosion or risk of injury.  
Power tool use and care  
6.  
7.  
Do not expose a battery pack or tool to fire or  
excessive temperature. Exposure to fire or tem-  
perature above 130 °C may cause explosion.  
1.  
2.  
3.  
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.  
Follow all charging instructions and do not  
charge the battery pack or tool outside the  
temperature range specified in the instruc-  
tions. Charging improperly or at temperatures  
outside the specified range may damage the  
battery and increase the risk of fire.  
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.  
Disconnect the plug from the power source  
and/or remove the battery pack, if detachable,  
from the power tool before making any adjust-  
ments, changing accessories, or storing power  
tools. Such preventive safety measures reduce  
the risk of starting the power tool accidentally.  
Service  
1.  
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.  
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. Power tools are dangerous in the  
hands of untrained users.  
2.  
3.  
Never service damaged battery packs. Service  
of battery packs should only be performed by the  
manufacturer or authorized service providers.  
Follow instruction for lubricating and chang-  
ing accessories.  
4
ENGLISH  
A battery short can cause a large current  
flow, overheating, possible burns and even a  
breakdown.  
Cordless impact wrench safety  
warnings  
6.  
7.  
8.  
Do not store and use the tool and battery car-  
tridge in locations where the temperature may  
reach or exceed 50 °C (122 °F).  
1.  
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.  
Do not incinerate the battery cartridge even if  
it is severely damaged or is completely worn  
out. The battery cartridge can explode in a fire.  
Do not nail, cut, crush, throw, drop the battery  
cartridge, or hit against a hard object to the  
battery cartridge. Such conduct may result in a  
fire, excessive heat, or explosion.  
2.  
3.  
Wear ear protectors.  
Check the impact socket carefully for wear,  
cracks or damage before installation.  
4.  
5.  
6.  
Hold the tool firmly.  
9.  
Do not use a damaged battery.  
Keep hands away from rotating parts.  
10. The contained lithium-ion batteries are subject  
to the Dangerous Goods Legislation require-  
ments.  
Do not touch the impact socket, bolt, nut or the  
workpiece immediately after operation. They  
may be extremely hot and could burn your skin.  
For commercial transports e.g. by third parties,  
forwarding agents, special requirement on pack-  
aging and labeling must be observed.  
For preparation of the item being shipped, consult-  
ing an expert for hazardous material is required.  
Please also observe possibly more detailed  
national regulations.  
Tape or mask off open contacts and pack up the  
battery in such a manner that it cannot move  
around in the packaging.  
7.  
8.  
9.  
Always be sure you have a firm footing.  
Be sure no one is below when using the tool in  
high locations.  
The proper fastening torque may differ  
depending upon the kind or size of the bolt.  
Check the torque with a torque wrench.  
Make sure there are no electrical cables, water  
pipes, gas pipes etc. that could cause a hazard  
if damaged by use of the tool.  
11. When disposing the battery cartridge, remove  
it from the tool and dispose of it in a safe  
place. Follow your local regulations relating to  
disposal of battery.  
SAVE THESE INSTRUCTIONS.  
WARNING: DO NOT let comfort or familiarity  
with product (gained from repeated use) replace  
strict adherence to safety rules for the subject  
product.  
12. Use the batteries only with the products  
specified by Makita. Installing the batteries to  
non-compliant products may result in a fire, exces-  
sive heat, explosion, or leak of electrolyte.  
MISUSE or failure to follow the safety rules stated  
in this instruction manual may cause serious  
personal injury.  
13. If the tool is not used for a long period of time,  
the battery must be removed from the tool.  
14. During and after use, the battery cartridge may  
take on heat which can cause burns or low  
temperature burns. Pay attention to the han-  
dling of hot battery cartridges.  
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.  
15. Do not touch the terminal of the tool imme-  
diately after use as it may get hot enough to  
cause burns.  
16. Do not allow chips, dust, or soil stuck into the  
terminals, holes, and grooves of the battery  
cartridge. It may result in poor performance or  
breakdown of the tool or battery cartridge.  
2.  
3.  
Do not disassemble or tamper the battery  
cartridge. It may result in a fire, excessive heat,  
or explosion.  
If operating time has become excessively  
shorter, stop operating immediately. It may  
result in a risk of overheating, possible burns  
and even an explosion.  
17. Unless the tool supports the use near  
high-voltage electrical power lines, do not use  
the battery cartridge near a high-voltage elec-  
trical power lines. It may result in a malfunction  
or breakdown of the tool or battery cartridge.  
4.  
5.  
If electrolyte gets into your eyes, rinse them  
out with clear water and seek medical atten-  
tion right away. It may result in loss of your  
eyesight.  
18. Keep the battery away from children.  
SAVE THESE INSTRUCTIONS.  
Do not short the battery cartridge:  
CAUTION: Only use genuine Makita batteries.  
Use of non-genuine Makita batteries, or batteries that  
have been altered, may result in the battery bursting  
causing fires, personal injury and damage. It will  
also void the Makita warranty for the Makita tool and  
charger.  
(1) Do not touch the terminals with any con-  
ductive material.  
(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.  
5
ENGLISH  
To install the battery cartridge, align the tongue on the  
battery cartridge with the groove in the housing and slip  
it into place. Insert it all the way until it locks in place  
with a little click. If you can see the red indicator as  
shown in the figure, it is not locked completely.  
Tips for maintaining maximum  
battery life  
1.  
Charge the battery cartridge before completely dis-  
charged. Always stop tool operation and charge the  
battery cartridge when you notice less tool power.  
CAUTION: Always install the battery cartridge  
fully until the red indicator cannot be seen. If not,  
it may accidentally fall out of the tool, causing injury to  
you or someone around you.  
2.  
3.  
Never recharge a fully charged battery cartridge.  
Overcharging shortens the battery service life.  
Charge the battery cartridge with room tempera-  
ture at 10 °C - 40 °C (50 °F - 104 °F). Let a hot  
battery cartridge cool down before charging it.  
CAUTION: Do not install the battery cartridge  
forcibly. If the cartridge does not slide in easily, it is  
not being inserted correctly.  
4.  
5.  
When not using the battery cartridge, remove  
it from the tool or the charger.  
Charge the battery cartridge if you do not use  
it for a long period (more than six months).  
Tool / battery protection system  
The tool is equipped with a tool/battery protection sys-  
tem. This system automatically cuts off power to the  
motor to extend tool and battery life. The tool will auto-  
matically stop during operation if the tool or battery is  
placed under one of the following conditions:  
FUNCTIONAL DESCRIPTION  
CAUTION: Always be sure that the tool is  
switched off and the battery cartridge is removed  
before adjusting or checking function on the tool.  
Overload protection  
When the tool/battery is operated in a manner that  
causes it to draw an abnormally high current, the tool  
stops automatically. In this situation, turn the tool off  
and stop the application that caused the tool to become  
overloaded. Then turn the tool on to restart.  
Installing or removing battery  
cartridge  
CAUTION: Always switch off the tool before  
installing or removing of the battery cartridge.  
Overheat protection  
When the tool/battery is overheated, the tool stops  
automatically and the lamp will blink. In this situation, let  
the tool cool down before turning the tool on again.  
CAUTION: Hold the tool and the battery car-  
tridge firmly when installing or removing battery  
cartridge. Failure to hold the tool and the battery  
cartridge firmly may cause them to slip off your hands  
and result in damage to the tool and battery cartridge  
and a personal injury.  
Overdischarge protection  
When the battery capacity is not enough, the tool stops  
automatically. In this case, remove the battery from the  
tool and charge the battery.  
Indicating the remaining battery  
capacity  
2
Press the check button on the battery cartridge to indi-  
cate the remaining battery capacity. The indicator lamps  
light up for a few seconds.  
3
1
2
1
1
1. Indicator lamps 2. Check button  
1. Red indicator 2. Button 3. Battery cartridge  
To remove the battery cartridge, slide it from the tool  
while sliding the button on the front of the cartridge.  
6
ENGLISH  
Indicator lamps  
Remaining  
capacity  
Lighting up the front lamp  
CAUTION: Do not look in the light or see the  
source of light directly.  
Lighted  
Off  
Blinking  
75% to 100%  
50% to 75%  
25% to 50%  
0% to 25%  
Charge the  
battery.  
The battery  
may have  
1
malfunctioned.  
1. Lamp  
NOTE: Depending on the conditions of use and the  
ambient temperature, the indication may differ slightly  
from the actual capacity.  
NOTE: The first (far left) indicator lamp will blink when  
the battery protection system works.  
1
Switch action  
1. Button  
To turn on the lamp status, press the button  
one second. To turn off the lamp status, press the but-  
ton for one second again.  
for  
With the lamp status ON, pull the switch trigger to turn  
on the lamp. To turn off, release it. The lamp goes out  
approximately 10 seconds after releasing the switch  
trigger.  
1
1. Switch trigger  
With the lamp status OFF, the lamp does not turn on  
even if pulling the trigger.  
CAUTION: Before installing the battery car-  
tridge into the tool, always check to see that the  
switch trigger actuates properly and returns to  
the "OFF" position when released.  
NOTE: To confirm the lamp status, pull the trigger.  
When the lamp lights up by pulling the switch trigger,  
the lamp status is ON. When the lamp does not come  
on, the lamp status is OFF.  
To start the tool, simply pull the switch trigger. Tool  
speed is increased by increasing pressure on the switch  
trigger. Release the switch trigger to stop.  
NOTE: When the tool is overheated, the light flashes  
for one minute, and then the LED display goes off. In  
this case, cool down the tool before operating again.  
NOTE: The tool automatically stops when you keep  
pulling the switch trigger for 6 minutes.  
NOTE: Use a dry cloth to wipe the dirt off the lens of  
the lamp. Be careful not to scratch the lens of lamp, or  
it may lower the illumination.  
NOTE: When full speed mode is turned on, the rota-  
tion speed becomes fastest even if you do not pull the  
switch trigger fully.  
NOTE: While pulling the switch trigger, the lamp  
status cannot be changed.  
For detail information, refer to the section of full speed  
mode.  
NOTE: For approximately 10 seconds after releasing  
the switch trigger, the lamp status can be changed.  
7
ENGLISH  
Reversing switch action  
A
B
1
1. Reversing switch lever  
CAUTION: Always check the direction of  
rotation before operation.  
CAUTION: Use the reversing switch only after  
the tool comes to a complete stop. Changing the  
direction of rotation before the tool stops may dam-  
age the tool.  
CAUTION: When not operating the tool,  
always set the reversing switch lever to the neu-  
tral position.  
This tool has a reversing switch to change the direction  
of rotation. Depress the reversing switch lever from the  
A side for clockwise rotation or from the B side for coun-  
terclockwise rotation.  
When the reversing switch lever is in the neutral posi-  
tion, the switch trigger cannot be pulled.  
8
ENGLISH  
Changing the application mode  
Changing the impact force  
You can change the impact force in four steps: 4 (max), 3 (hard), 2 (medium), and 1 (soft).  
This allows a tightening suitable to the work.  
The level of the impact force changes every time you press the button  
.
You can change the impact force within approximately one minute after releasing the switch trigger.  
NOTE: You can extend the time to change the impact force approximately one minute if you press the but-  
ton  
or  
.
Application mode  
Maximum blows  
Purpose  
(Impact force grade displayed on panel)  
4 (Max)  
2,900 min-1 (/min)  
Tightening with the maximum force and speed.  
Tightening when the force and the speed are desired.  
3 (Hard)  
2 (Medium)  
1 (Soft)  
2,700 min-1 (/min)  
1,900 min-1 (/min)  
1,200 min-1 (/min)  
Tightening with less force and speed than Max mode  
(easier to control than Max mode).  
Tightening when the force and the speed are desired.  
Tightening when a good finishing is needed.  
Tightening when you need good control power.  
Tightening with less force to avoid screw thread breakage.  
Tightening when you need fine adjustment with small  
diameter bolts.  
: The lamp is on.  
NOTE: When none of the lamp on the panel is lit, pull the switch trigger once before pressing the button  
.
NOTE: All lamps on the switch panel go out when the tool is turned off to save the battery power. The impact force  
grade can be checked by pulling the switch trigger to the extent that the tool does not operate.  
9
ENGLISH  
Changing the application mode  
This tool employs several easy-to-use application modes for driving bolts with good control.  
The type of the application mode changes every time you press the button  
.
You can change the application mode within approximately one minute after releasing the switch trigger.  
NOTE: You can extend the time to change the application mode approximately one minute if you press the button  
or  
.
Application mode  
Feature  
Purpose  
(Assist type displayed on panel)  
Bolt mode  
Clockwise  
Clockwise  
This mode helps to repeat screwdriving continuously with  
equal torque. This mode also helps to reduce the risk of  
breakage of bolts/nuts due to overtightening.  
Counterclockwise  
Preventing overtightening of  
bolts.  
Counterclockwise  
Loosening bolts.  
This mode helps to prevent a bolt from falling off. When loosening a  
bolt with the tool driving in counterclockwise rotation, the tool automat-  
ically stops or slows down after the bolt/nut gets enough loosened.  
NOTE:  
The timing to stop the driving varies depending on the  
type of the bolt/nut and material to be driven. Make a  
test driving before using this mode.  
Bolt mode (1)  
Bolt mode (2)  
Clockwise  
The tool stops automatically as soon as it has started impact blows.  
Counterclockwise  
The impact force is 4. The tool stops automatically as soon  
as it has stopped impact blows.  
Clockwise  
The tool stops automatically approximately 0.5 second later  
from the moment that the tool has started impact blows.  
Counterclockwise  
The impact force is 4. The tool stops automatically approximately 0.2  
second later from the moment that the tool has stopped impact blows.  
Bolt mode (3)  
Clockwise  
The tool stops automatically approximately 1 second later  
from the moment that the tool has started impact blows.  
Counterclockwise  
The tool slows down the rotation after it has stopped impact blows.  
: The lamp is on.  
NOTE: When none of the lamp on the panel is lit, pull the switch trigger once before pressing the button  
.
NOTE: All lamps on the switch panel go out when the tool is turned off to save the battery power. The type of the  
application mode can be checked by pulling the switch trigger to the extent that the tool does not operate.  
10 ENGLISH  
Tool with the ring spring  
Model TW007G  
Full speed mode  
For impact socket without O-ring and pin  
1
2
3
2
1
1. Button  
2. Lamp  
When full speed mode is turned on, the tool speed becomes  
fastest even if you do not pull the switch trigger fully. When  
full speed mode is turned off, the tool speed increases as  
you increase the pressure on the switch trigger.  
1. Impact socket 2. Square drive 3. Ring spring  
Push the impact socket onto the square drive until it  
locks into place.  
To turn on full speed mode, press and hold the button  
. To  
To remove the impact socket, simply pull it off.  
turn off full speed mode, press and hold the button  
again.  
The lamp turns on while full speed mode is on.  
For impact socket with O-ring and pin  
NOTE: Full speed mode continues even after switch-  
ing the impact force mode/auto stop mode.  
1
3
Electronic function  
Electric brake  
2
This tool is equipped with an electric brake. If the tool consis-  
tently fails to quickly cease to function after the switch trigger  
is released, have the tool serviced at a Makita service center.  
ASSEMBLY  
1. Impact socket 2. O-ring 3. Pin  
CAUTION: Always be sure that the tool is  
switched off and the battery cartridge is removed  
before carrying out any work on the tool.  
Move the O-ring out of the groove in the impact socket  
and remove the pin from the impact socket. Fit the  
impact socket onto the square drive so that the hole in  
the impact socket is aligned with the hole in the square  
drive.  
Insert the pin through the hole in the impact socket and  
square drive. Then return the O-ring to the original posi-  
tion in the impact socket groove to retain the pin.  
Selecting correct impact socket  
Always use the correct size impact socket for bolts and nuts.  
An incorrect size impact socket will result in inaccurate and  
inconsistent fastening torque and/or damage to the bolt or nut.  
To remove the impact socket, follow the installation  
procedures in reverse.  
Installing or removing impact socket  
Optional accessory  
CAUTION: Make sure that the impact socket  
and the mounting portion are not damaged before  
installing the impact socket.  
CAUTION: After inserting the impact socket,  
make sure that it is firmly secured. If it comes out,  
do not use it.  
NOTE: The way of impact socket installation varies  
depending on the type of the square drive on the tool.  
11 ENGLISH  
Tool with the detent pin  
Model TW008G  
Installing hook  
CAUTION: When installing the hook, always  
secure it with the screw firmly. If not, the hook  
may come off from the tool and result in the personal  
injury.  
For tool with light fit detent pin  
1
3
4
3
2
4
3
1
1. Impact socket 2. Hole 3. Square drive 4. Detent  
pin  
2
To install the socket, align the hole in the side of the  
socket with the detent pin on the square drive, and then,  
push it onto the square drive until it locks into place. Tap  
it lightly if required.  
1. Groove 2. Hook 3. Screw  
The hook is convenient for temporarily hanging the tool.  
This can be installed on either side of the tool. To install  
the hook, insert it into a groove in the tool housing on  
either side and then secure it with a screw. To remove,  
loosen the screw and then take it out.  
To remove the socket, simply pull it off.  
For tool with firm fit detent pin  
Optional accessory  
Ring  
1
3
Country specific  
3
4
CAUTION: Before using the ring, always  
make sure that the bracket and ring are secured  
and not damaged.  
2
4
CAUTION: Use the hanging/mounting parts  
for their intended purposes only. Using for unin-  
tended purpose may cause accident or personal  
injury.  
2
1. Impact socket 2. Hole 3. Square drive 4. Detent  
1
pin  
To install the socket, align the hole in the side of the  
socket with the detent pin on the square drive, and then,  
push it onto the square drive until it locks into place. Tap  
it lightly if required.  
3
To remove the socket, depress the detent pin through  
the hole in the socket and pull the socket off the square  
drive.  
NOTE: The firm fit detent pin may fit too securely to  
remove the socket.  
1. Bracket 2. Ring 3. Screws  
In that case, depress the firm fit detent pin fully and  
pull the socket off the square drive.  
The ring is convenient for hanging the tool with hoist.  
First, place the rope through the ring. Then hang the  
tool up to the air with hoist.  
12 ENGLISH  
Proper fastening torque for high tensile bolt with  
max impact mode (4)  
OPERATION  
N•m  
(kgf•cm)  
CAUTION: Always insert the battery cartridge  
all the way until it locks in place. If you can see the  
red indicator, it is not locked completely. Insert it fully  
until the red indicator cannot be seen. If not, it may  
accidentally fall out of the tool, causing injury to you  
or someone around you.  
300  
(3060)  
M16  
M16  
200  
(2040)  
2
M14  
M12  
M14  
M12  
100  
(1020)  
0
1
2
3
1
1. Fastening time (second) 2. Fastening torque  
NOTE: Hold the tool pointed straight at the bolt or nut.  
NOTE: Excessive fastening torque may damage the  
bolt/nut or impact socket. Before starting your job,  
always perform a test operation to determine the  
proper fastening time for your bolt or nut.  
Hold the tool firmly and place the impact socket over  
the bolt or nut. Turn the tool on and fasten for the proper  
fastening time.  
NOTE: If the tool is operated continuously until the  
battery cartridge has discharged, allow the tool to rest  
for 15 minutes before proceeding with a fresh battery  
cartridge.  
The proper fastening torque may differ depending upon  
the kind or size of the bolt, the material of the workpiece  
to be fastened, etc. The relation between fastening  
torque and fastening time is shown in the figures.  
Proper fastening torque for standard bolt with max  
impact mode (4)  
The fastening torque is affected by a wide variety of  
factors including the following. After fastening, always  
check the torque with a torque wrench.  
N•m  
(kgf•cm)  
1.  
When the battery cartridge is discharged almost  
completely, voltage will drop and the fastening  
torque will be reduced.  
500  
(5100)  
M24  
2.  
Impact socket  
400  
Failure to use the correct size impact socket  
will cause a reduction in the fastening torque.  
(4080)  
M24  
M22  
300  
(3060)  
2
M22  
M20  
A worn impact socket (wear on the hex end  
or square end) will cause a reduction in the  
fastening torque.  
M20  
200  
(2040)  
M16  
M16  
100  
(1020)  
3.  
Bolt  
Even though the torque coefficient and the  
class of bolt are the same, the proper fasten-  
ing torque will differ according to the diame-  
ter of bolt.  
1
2
3
0
1
Even though the diameters of bolts are the  
same, the proper fastening torque will differ  
according to the torque coefficient, the class  
of bolt and the bolt length.  
1. Fastening time (second) 2. Fastening torque  
4.  
The use of the universal joint or the extension  
bar somewhat reduces the fastening force of the  
impact wrench. Compensate by fastening for a  
longer period of time.  
5.  
6.  
The manner of holding the tool or the material  
of driving position to be fastened will affect the  
torque.  
Operating the tool at low speed will cause a reduc-  
tion in the fastening torque.  
13 ENGLISH  
MAINTENANCE  
CAUTION: Always be sure that the tool is  
switched off and the battery cartridge is removed  
before attempting to perform inspection or  
maintenance.  
NOTICE: Never use gasoline, benzine, thinner,  
alcohol or the like. Discoloration, deformation or  
cracks may result.  
To maintain product SAFETY and RELIABILITY,  
repairs, any other maintenance or adjustment should  
be performed by Makita Authorized or Factory Service  
Centers, always using Makita replacement parts.  
OPTIONAL  
ACCESSORIES  
CAUTION: These accessories or attachments  
are recommended for use with your Makita tool  
specified in this manual. The use of any other  
accessories or attachments might present a risk of  
injury to persons. Only use accessory or attachment  
for its stated purpose.  
If you need any assistance for more details regard-  
ing these accessories, ask your local Makita Service  
Center.  
Impact socket  
Extension bar  
Universal joint  
Pin 4 Set (For TW008G only)  
Socket extension  
Extension handle  
Makita genuine battery and charger  
NOTE: Some items in the list may be included in the  
tool package as standard accessories. They may  
differ from country to country.  
14 ENGLISH  
15  
Jan-Baptist Vinkstraat 2,  
3070 Kortenberg, Belgium  
Makita Europe N.V.  
Makita Corporation  
3-11-8, Sumiyoshi-cho,  
Anjo, Aichi 446-8502 Japan  
885870A222  
EN  
20210329  

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