Nitto Kohki DLV30A Manuale utente
INSTRUCTION
MANUAL
Product Operational Information
Professional tool ELECTRIC SCREWDRIVER
Model: DLV30A/DLV45A/DLV70A Series
[Specifications]
Lever Start
Model DLV30A06L-AD DLV30A12L-AD DLV30A20L-AD DLV45A06L-AD DLV45A12L-AD DLV70A06L-AD
Push to Start
Model DLV30A06P-AD DLV30A12P-AD DLV30A20P-AD DLV45A06P-AD DLV45A12P-AD DLV70A06P-AD
Torque
[Nm(Lb-in)]
Low torque spring: 0.4 to 1.6 (3.5 to 14.2) 2.0 to 4.5
(17.7 to 39.8)
3.8 to 7.0
(33.6 to 61.9)
High torque spring: 1.2 to 3.0 (10.6 to 26.6)
Free Speed
[min-1]650 1200 2000 650 1200 650
•Please refer to p. 4 for details.
Please read manual carefully before you attempt to use your tool so that you may use it properly and safely.
Keep the manual handy - so you can use it whenever necessary.
• Due to continuous product development/improvement the specifications and configurations in
this document are subject to change without prior notice.
Manufactured by.
NITTO KOHKI CO., LTD. 9-4, Nakaikegami 2-chome, Ohta-ku, Tokyo, 146-8555, Japan
Tel : +81-3-3755-1111 Fax : +81-3-3753-8791
Indoor Use Only Brushless Motor Grounded bit function
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Thank you very much for your purchase of this NITTO KOHKI product.
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.
Contents
Product Specific Safety Rules .............................. 1
1 Application ......................................................... 2
2 Checking Inside the Package............................ 2
3 Part Names........................................................ 3
4 Specifications .................................................... 4
Torque scale and output torque ............................5
5 Preparation........................................................ 6
Attaching a bit .......................................................6
Attaching the suspension bail ...............................6
Replacing a torque spring.....................................7
Attaching the Pistol Grip .......................................8
Notes on attaching a commercially available
fixing jig.................................................................9
6 Basic Operation................................................. 9
Start ......................................................................9
Changeover switch ...............................................9
Start and stop......................................................10
Screw tightening .................................................10
Adjusting the output torque.................................11
7 Appendix.......................................................... 12
Troubleshooting ..................................................12
Maintenance and inspection ...............................13
Disposal ..............................................................14
Separately-sold products ....................................15
External dimensions............................................16
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Product Specific Safety Rules
WARNING
This product is for domestic use.
This unit complies with the domestic safety standards only. The product cannot be used overseas.
When using an extension cord, select the wire diameter according to the extended length.
If the power cord is too long or a thin cable is wound on a coil drum for a long length, voltage drop could be
caused. In such a case, the original product performance cannot be demonstrated.
Maximum extended cable length Wire diameter
(conductor nominal cross-sectional area)
10 m 1.25 mm2or more
20 m 2 mm2or more
30 m 3.5 mm2or more
Do not use the product together with another electric tool.
CAUTION
This tool is not an impact type electric screwdriver. Do not tighten twice (extra tightening). Also, it cannot be
used for screw tightening of such things as wood or drywall.
Depending on fastening conditions, screws may become loose.
Improper impacts could decrease product life or cause product failure.
Do not use the tool for anything other than screw tightening.
It should not be used for tasks such as drilling or threading (such as a tapper).
About Unit Notation
This instruction manual is written using both SI units and the imperial measurement method (yards, pounds).
Numeric values outside the ( ) are the value in SI units, while those inside the ( ) are the imperial measurement
value.
Notation Example: Length 25.4 (1") Weight: 0.45 (1) Torque: 1.13 (10)
in
mm
lbs
kg
Lb·in
Nm
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1 Application
This is a hand-held electric screwdriver used to tighten screws.
The tool is equipped with an environmentally-friendly brushless motor.
2 Checking Inside the Package
When you open the package box, check the content of the package and also check for any damage caused by
incidents during transportation.
If a problem is found, consult with the store where you purchased the product.
Package content and list of accessories
DLV30A series DLV45A series / DLV70A series
Package content and accessories Quantity Package content and accessories Quantity
Electric screwdriver (main unit) 1 Electric screwdriver (main unit) 1
Bit NK35 (No.2×7×75) 1 Bit NK35 (No.2×7×75) 1
Low Torque Spring 1 Suspension Bail 1
High Torque Spring* 1 Pistol Grip DLW2300 1
Suspension Bail 1 Instruction Manual 2
Instruction Manual 2
* The high torque spring is built inside the main unit at the factory default.
White paint
Low Torque Spring
hexagon width across flats
Phillips No.2
7 DIA.
(0.28")
75 (2.95") 6.35 (1/4")
9 (0.35")
Bit NK35 (No.2×7×75)
High Torque Spring*
Suspension Bail Pistol Grip DLW2300
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3 Part Names
Lever start type Push start type
53
7
9
2
1
3
4
59
8
7
6
1Power plug
2Power cord
3Lever Switch
4 Coupling
5 Torque Adjustment Ring Cover
(the material varies by model)
6 Frame Handle (exterior resin part of main unit)
7Changeover Switch
8 Torque Scale (standard)
9 Torque Adjustment Ring
Model Coupling Torque adjustment ring cover
Lever start type Push start type
DLV30A06L-AD DLV30A06P-AD Resin/Yellow
Resin/transparent
DLV30A12L-AD DLV30A12P-AD Resin/Blue
DLV30A20L-AD DLV30A20P-AD Resin/Red
DLV45A06L-AD DLV45A06P-AD
Aluminum/black Aluminum/blackDLV45A12L-AD DLV45A12P-AD
DLV70A06L-AD DLV70A06P-AD
The torque adjustment ring cover prevents unexpected torque setting change. We recommend the cover be
attached.
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4 Specifications
CAUTION
The output torque is the value measured in combination with the output torque measurement device.
When the output torque is measured by some other measuring device or combination, the value may be
different.
The output torque and torque that occurs in screws do not match.
Use a torque wrench to check the torque generated on screws.
Model Lever Start DLV30A06L-AD DLV30A12L-AD DLV30A20L-AD
Push to Start DLV30A06P-AD DLV30A12P-AD DLV30A20P-AD
Torque
(Nm(Lb-in))
Low Torque Spring 0.4 to 1.6 (3.5 to 14.2)
High Torque Spring 1.2 to 3.0 (10.6 to 26.6)
Free speed (for reference) (min-1) 650 1200 2000
Screw Size
(for reference)
Metric Thread (mm) 2.6 to 5.0
Inch Thread #3 to #10
Tapping Screw (mm) 2.5 to 4.0
Bit Type NK35 (HEX 6.35mm(1/4"))
Mass (kg(lbs)) 0.7 (1.54) (excluding the power cord)
Power supply 115 V AC 50/60 Hz
Power Consumption (W) 55
Duty Cycle ON time 0.5 sec./OFF time 3.5 sec.
Model Lever Start DLV45A06L-AD DLV45A12L-AD DLV70A06L-AD
Push to Start DLV45A06P-AD DLV45A12P-AD DLV70A06P-AD
Torque (Nm(Lb-in)) 2.0 to 4.5 (17.7 to 39.8) 3.8 to 7.0
(33.6 to 61.9)
Free speed (for reference) (min-1) 650 1200 650
Screw Size
(for reference)
Metric Thread (mm) 4.5 to 6.0 5.0 to 8.0
Inch Thread #10 to #12 #10 to 5/16"
Tapping Screw (mm) 4.0 to 5.0 4.5 to 6.0
Bit Type NK35 (HEX 6.35mm(1/4"))
Mass (kg(lbs)) 0.87 (1.92) (Pistol Grip is included, excluding the power cord)
Power supply 115 V AC 50/60 Hz
Power Consumption (W) 55
Duty Cycle ON time 0.5 sec./OFF time 3.5 sec.
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DLV30A/45A/70A Series common specifications
Noise emission (dB)
(According to EN60745)
LPA*1 75 (uncertainty :K=3dB)
LWA*2 86
Vibration level (m/s2)
(According to EN60745) Less than 2.5
Temperature Range (°C (°F)) Operating -5 to +50 (+23 to +122)
Storage -20 to +70 (-4 to +158)
Relative Humidity Free of Dew (include time of the Storage)
Operating Environment less than 2000 m above sea level
Pollution Degree
(According to IEC60664-1) Pollution Degree 2
Over Voltage Category
(According to IEC60664-1) Over Voltage Category I
*1 LPA; A-weighted surface sound pressure level
*2 LWA; A-weighted sound power level
Torque Measurement Device
Electric Screw Driver DLV30A Series DLV45A Series DLV70A Series
Torque Checker DLT1673A DLT1673A DLT1973A
Bit Joint DLW4360 DLW4360 DLW4000
Torque scale and output torque
CAUTION
The torque scale is for reference. The output torque range is not guaranteed.
Make sure to measure torque.
Use the tool within the specified range.
When the torque decreases, increase the torque based on the measured value.
DLV30A Series
High Torque Spring
Low Torque Spring
Torque (Nm)
Torque (Nm)
Torque Scale Torque Scale
DLV45A/DLV70A Series
DLV70A
DLV45A
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5 Preparation
Attaching a bit
WARNING
When attaching or removing the bit, always disconnect the power plug from the outlet.
1 Insert a bit while pulling the sleeve
Sleeve
Pull the sleeve
Bit
2 Release the sleeve and make sure the bit does
not come off
To remove the bit, pull out the bit while pulling the
sleeve.
Attaching the suspension bail
CAUTION
If the suspension bail is pulled forcefully, it may not return to original status. Use an appropriate strength
necessary for attachment or removal.
1 Lightly pull both sides of the suspension bail and fit it into
the hole
Hole
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Replacing a torque spring
WARNING
Before attaching or detaching the torque spring, always disconnect the power plug from the outlet.
CAUTION
The spring plate assembly must be oriented correctly.
The ball goes into the recess of the torque adjustment ring. When it is attached in the opposite orientation, the
torque adjustment ring easily gets loose.
Also, when the torque adjustment ring is turned, there will be no clicking sound.
Recommended grease (separately sold)
Idemitsu Kosan Co., Ltd.: Daphne Eponex SR No. 2
Showa Shell Sekiyu K.K.: Alvania Grease S2
Cosmo Oil Co., Ltd.: DYNAMAX No. 2
1 Turn the torque adjustment ring cover counterclockwise to remove
2 Turn the torque adjustment ring counterclockwise to remove
3 Remove the spring plate assembly
→torque spring →plate, in that
order
Recess
Ball
High torque spring at
shipment
Spring plate assembly
Plate
4 Apply grease to the torque spring
5 Replace the torque spring
To reattach, perform the order in reverse.
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Attaching the Pistol Grip
WARNING
When attaching or removing the Pistol Grip, always disconnect the power plug from the outlet.
After fixing the Pistol Grip with the screw, check for looseness, slip, and displacement of the screw.
CAUTION
Use care not to lose parts.
1 Match the rib of the Pistol Grip body A and the groove of the frame handle
Match the semicircle cut-out of the Pistol Grip body A and the semicircle rib of the frame handle.
2 Attach the parts to the positions shown in the following figure
3 Match the rib of the Pistol Grip body B and the groove of the frame handle
Match the semicircle cut-out of the Pistol Grip body B and the semicircle rib of the frame handle.
4 Tighten the screws
Lever start type Push start type
1Body A...... 1 piece
2Body B ..... 1 piece
3Trigger...... 1 piece
4Pin............ 1 piece (2 pieces for push start type)
5Spring....... 1 piece (lever start type only)
6Screw ....... 5 pieces
1Rib
2Groove
3Semicircle cut-out
4Semicircle rib
Preparation
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