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Summary of Contents for Nitto Kohki Delvo DLV7321-BKU
- Page 1 TV06916-0 INSTRUCTION MANUAL 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) 3753-8791 SAVE THESE INSTRUCTIONS...
- Page 2 Thank you very much for your purchase of this Nitto Kohki products. Before using your tool, please read this manual carefully so that you may use it properly to get the most out of it. Please keep the manual handy - so you can use it whenever necessary.
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Page 3: Safety Precautions
13. Do not overreach AFETY RECAUTIONS ･Keep proper footing and balance at all times. When using electric tools, basic safety 14. Cautious maintenance is necessary for electric precautions should always be followed to tools ･For safe and efficient work, use the proper bit and reduce the risk of fire, electric shock and check it regularly. -
Page 4: Operation Cautions
23. Do not allow the following chemicals to come into torque. 9. Do not operate the changeover switch when the contact with the tool housing, as damage will result. For example, trichloroethylene acetone, motor is running. benzene, thinner, ketone, or other same chemicals. 10. - Page 5 To measure accurate resistances requires the determination of the resistance by means of a bit manufactured by Nitto Kohki with the voltage and current generated when a current of 1A is applied between the tip of the bit and the ground terminal of the power cord for the controller.
- Page 6 ・Relationship between Torque and Torque Scale. *Reference Value DLV7331 DLV7321 Torque Scale Adjust the bit torque by changing the driving-in length of the torque adjustment ring at the end. The relationship between torque scale and torque is as shown right, in the torque diagram. The figures of torque scale do not in dictate bit torque values.
- Page 7 ・ External Representation Screwdriver DLV7300 Series Changeover Switch Torque Adjustment Ring Start Switch Power Cord (3m) Controller DLC1213-LUB Speed adjustment volume Soft start adjustment volume Receptacle Power switch Power inlet Fuse holder...
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Page 8: How To Operate
PERATE 1. Attaching and detaching a bit Push up the holder clamp in direction of the arrow unlocks it. You can then attach or detach a bit. Holder clamp 2. Torque Adjustment To adjust the bit torque, vary the amount of screwing-in of the torque adjustment ring. Torque adjustment ring 3. -
Page 9: Service And Maintenance
ERVICE AINTENANCE 1. Have the screwdriver or components repaired by a qualified or trained person only. 2. For the purpose of making proper use, request the following check and maintenance by an authorized service facility. DLV7300 series Routine inspections and Number of Tightening (million) Parts to be replaced Routine inspection... - Page 10 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.
- Page 11 Notes...
- Page 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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