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3.

 

In case of trouble or repair of this product, contact an authorized service facility 

 
4.

 

Electric tools, accessories, and packaging should be disposed of for recycling in an environmentally friendly 
manner. Do not dispose of electric tools into household waste! 

  If your tool can no longer be used, deliver it to a sales representative. 
 

 

  Trouble shootings   

Problem 

Check item 

Countermeasures 

(1)No Rotation. 

Is the power plug of the power cord connected to 
the power source outlet? 

Connect the power plug of the power cord to 
the power source outlet securely. 

Is the changeover switch set to "      or      " ?   

Set the changeover switch at "      or      ". 

(2)Output torque is low. 

Is the output torque correctly set? 

Check it by Torque Checker. 

(3)The  screwdriver  is 
overheating abnormally. 

How much time is "OFF" time? 

Lengthen "OFF" time more than "ON" time. 
Check the Rating label of the main body. 

Is the input voltage correct? 

Check the input voltage. 

Is not the maximum scale value exceeded? 

Set the torque below the maximum scale. 

The Repair Parts List is reference attached sheet. 
If the abnormality still does not disappear, contact your sales representative from which you purchased the tools. 
 

       

WARNING   

Please have the product inspected periodically at the store of purchase or a Nitto Kohki-approved service 
center. Failure to perform periodic inspections may result in short circuiting. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for Delvo DLC1213-LUB

Page 1: ...L Electric Screwdriver Models Screwdriver Controller DLV7321 BKU DLC1213 LUB DLV7331 BKU Manufactured by NITTO KOHKI CO LTD 2 9 4 Nakaikegami Ohta ku Tokyo 146 8555 Japan Tel 03 3755 1111 Fax 03 3753...

Page 2: ...h if not avoided by following the instructions given could result in injury or material damage Please note however that failure to observe safety precautions under the Caution category could result in...

Page 3: ...efficient work use the proper bit and check it regularly Check the cable regularly Contact sales agents to repair it when it is defective When an extension cable is used check regularly and change it...

Page 4: ...eing used move the changeover switch to the O Off position and unplug the screwdriver 12 Do not overload to the extent that the motor locks or the clutch malfunctions May cause smoke fire failure or i...

Page 5: ...serve as an antistatic one It has the same output torque and free speed as the standard type WARNING Pay attention that an abnormal voltage or anything abnormal is not generated in the ground or you...

Page 6: ...ped screw is returned with torque wrench or the like is available as one of torque control methods However note that the measured values by the return torque method generally appear in 10 30 lower tha...

Page 7: ...ion Screwdriver DLV7300 Series Changeover Switch Torque Adjustment Ring Power Cord 3m Controller DLC1213 LUB Speed adjustment volume Soft start adjustment volume Receptacle Power switch Start Switch P...

Page 8: ...s off immediately and the motor stops at the same time Return the trigger to the original position 4 Unscrewing Turn the changeover switch to reverse and trigger the switch 4 Use the screwdrivers in c...

Page 9: ...d Cam guide balls 6 Cam guide 7 Spindle bearing Brush assembly If the remainder length of the brush reaches 3mm change it for the new brush When you return the brush again after having checked it do n...

Page 10: ...switch set to or Set the changeover switch at or 2 Output torque is low Is the output torque correctly set Check it by Torque Checker 3 The screwdriver is overheating abnormally How much time is OFF t...

Page 11: ...11 Notes...

Page 12: ...12 Manufactured by NITTO KOHKI CO LTD 2 9 4 Nakaikegami Ohta ku Tokyo 146 8555 Japan Tel 03 3755 1111 Fax 03 3753 8791...

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