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Service 

28. 

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. 

29. 

Follow instruction for lubricating and 
changing accessories. 

30. 

Keep handles dry, clean and free from oil and 
grease. 

GEB049-2 

CORDLESS IMPACT WRENCH 
SAFETY WARNINGS 

1. 

Hold 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. 

2. 

Wear ear protectors. 

3. 

Check the socket carefully for wear, cracks or 
damage before installation. 

4. 

Hold the tool firmly. 

5. 

Always be sure you have a firm footing. 
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 familiarity 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. 

ENC007-7 

IMPORTANT SAFETY 
INSTRUCTIONS 
FOR BATTERY CARTRIDGE 

1. 

Before using battery cartridge, read all 
instructions 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 
conductive material. 

(2) 

Avoid storing battery cartridge in a 
container 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 flow, 
overheating, possible burns and even a 
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 
out. The battery cartridge can explode in a fire. 

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 
battery 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 
temperature 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. 

 
 
 
 
 
 

Summary of Contents for BTW103

Page 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL IMPORTANT Read Before Using Cordless Impact Wrench BTW073 BTW103 013604 ...

Page 2: ...accordance with national laws electric equipment and battery pack that have reached the end of their life must be collected separately and returned to an environmentally compatible recycling facility ENE036 1 Intended use The tool is intended for fastening bolts and nuts GEA006 2 General Power Tool Safety Warnings WARNING Read all safety warnings and all instructions Failure to follow the warnings...

Page 3: ...related hazards Power tool use and care 17 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 18 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 19 Disconnect the plug fr...

Page 4: ...nd 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 cartrid...

Page 5: ...E E E E F F F F F F 80 100 60 80 40 60 20 40 10 20 0 10 50 70 70 100 30 50 15 30 0 15 013539 When charging When the charging begins the first far left indicating lamp begins to flicker Then as charging proceeds the other lamps light one after the other to indicate the battery capacity When using When the tool is switched on the lamps will light to indicate the remaining battery capacity When the t...

Page 6: ...s set the reversing switch lever to the neutral position A B 1 013667 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 counterclockwise rotation When the reversing switch lever is in the neutral position the switch trigger cannot be pulled Turning on the lamp CAUTION Do not look in ...

Page 7: ...stening time 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 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 Standard bolt BTW...

Page 8: ... bolt are the same the proper fastening torque will differ according to the diameter of bolt 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 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 lon...

Page 9: ...rs 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 regarding these accessories ask your...

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Page 12: ...12 Makita Corporation www makita com 885197 4 ...

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