background image

3. 

The lamp on the left side of the display blinks so 
that the number of first digit can be changed by 
pushing the button.   

4. 

Press the button and choose the desired number. 
The displayed number changes fast by keeping 
pressing the button. To set the first digit, pull the 
switch trigger and then release it. 

5. 

The lamp on the right side of the display starts to 
blink so that the number of second digit can be 
changed. 

6. 

Press the button and choose the desired number. 
The displayed number changes fast by keeping 
pressing the button. To set the second digit, pull 
the switch trigger and then release it. 

7. 

For the final setting, pull the switch trigger while 
pressing the indication button. The number of 
impacts is set at once. 
To reconfigure the number of impacts, pull the 
trigger without pressing the indication button so 
that return to 3 above. 

Confirming the current setting number 

To check the current setting number, pull the trigger 
once, release it and then press the indication button. 

Relation between presetting number and 
action 

Clockwise rotation

Auto-stop setting does not work.
Indication lamp goes out.

Then, the lamp goes out.

Red color lamp lights on.

Switch off before impacting 
[number of impacts 
(presetting number x 2) 
x 0.02] seconds.

Green color lamp lights on.

After impacting [number of 
impacts (presetting number 
x 2) x 0.02] seconds.

Auto-stop setting does not work.

Presetting 

number

01 - 99

0

Counterclockwise rotation

Auto-stop setting does not work.

 

003611 

NOTE: 

• 

Use presetting number as a guideline. To keep the 
fastening torque, number of impacts changes 
automatically by remaining battery capacity. 

Indicating lamp 

1

 

 

013665 

• 

After impacting preset numbers, the indicating 
lamp lights in green color. 

• 

The red color light will light on if the trigger is 
released before the presetting number of impacts 
is achieved. It indicates that the operation is 
incomplete. 

• 

When auto-stop mechanism is working, the 
indicating lamp lights red while the switch trigger is 
being pulled. 

ASSEMBLY 

 

CAUTION: 

• 

Always be sure that the tool is switched off and the 
battery cartridge is removed before carrying out 
any work on the tool. 

Selecting correct socket 

Always use the correct size socket for bolts and nuts. 
An incorrect size socket will result in inaccurate and 
inconsistent fastening torque and/or damage to the bolt 
or nut. 

Installing or removing socket 

1. 

For socket without O-ring and pin 

1

2

 

 

013606 

To install the socket, push it onto the anvil of the 
tool until it locks into place. 
To remove the socket, simply pull it off. 

2. 

For socket with O-ring and pin 

1

2

3

 

 

013666 

Move the O-ring out of the groove in the socket 
and remove the pin from the socket. Fit the socket 
onto the anvil of the tool so that the hole in the 
socket is aligned with the hole in the anvil. Insert 
the pin through the hole in the socket and anvil. 
Then return the O-ring to the original position in 
the socket groove to retain the pin. To remove the 

1. Socket 
2. O-ring 
3. Pin 

1. Socket 
2. Anvil 

1. Indicating lamp

Summary of Contents for BTW104Z

Page 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL IMPORTANT Read Before Using Cordless Impact Wrench BTW074 BTW104 013680 ...

Page 2: ...sehold waste material In observance of European Directive 2012 19 EU on waste electric and electronic equipment 2006 66 EC on batteries and accumulators and waste batteries and accumulators and their implementation in 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 r...

Page 3: ...rnings and instructions may result in electric shock fire and or serious 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 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...

Page 4: ...essories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally 20 Store idle power tools out of 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 21 Maintain power tools Check for misalignment or binding of mo...

Page 5: ... 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 nai...

Page 6: ...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 7: ... 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 the light or see the source of light directly 1...

Page 8: ...umber 01 99 0 Counterclockwise rotation Auto stop setting does not work 003611 NOTE Use presetting number as a guideline To keep the fastening torque number of impacts changes automatically by remaining battery capacity Indicating lamp 1 013665 After impacting preset numbers the indicating lamp lights in green color The red color light will light on if the trigger is released before the presetting...

Page 9: ...roper 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 BTW074 N m Fastening torque 60 40 20 0 0 0 5 1 1 5 M10 M10 M8 M6 M8 M6 M12 M12 Fastening time Seconds Number of impacts Presetting number 29 13 58 25 1 2 013724 N m Fastening tor...

Page 10: ...t size socket will cause a reduction in the fastening torque A worn socket wear on the hex end or square end will cause a reduction in the fastening torque 3 Bolt Even though the torque coefficient and the class of 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 accor...

Page 11: ...repairs any other maintenance or adjustment should be performed by Makita Authorized 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 i...

Page 12: ...12 Makita Corporation Anjo Aichi Japan www makita com 885201 225 ...

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