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Nitto Kohki Atra Ace CLO-2725 Instruction Manual

Portable magnetic base drilling machine
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INSTRUCTION
MANUAL
[Specifications]
Main unit
Model
Voltage
No-load Speed
MAX. Magnet Magnetic Power
Magnet Dimensions
Adjustment Range
Mass (weight)
Cutter
JETBROACH one-touch type
*1 The value in kgf is for reference only.
 Please read the 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.
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.
CLO-2725
36 V
820 min
-1
5500 N (561 kgf *1)
65×145 mm
Front/back travel: 10 mm,
left/right travel: 10 mm
9.0 kg
(When equipped with battery and feed
handle)
Plate Thickness
Hole Diameter
6 to 25 mm
12 to 27 mm dia.
9-4, Nakaikegami 2-chome, Ohta-ku, Tokyo, 146-8555, Japan
Tel : +81-3-3755-1111 Fax : +81-3-3753-8791
Professional tool
Portable Magnetic Base Drilling Machine
Atra Ace
Model: CLO-2725 (NN)
For One-touch Type
Annular Cutter 25L Only
Use the battery and charger manufactured
by Koki Holdings Co., Ltd.
Battery
Charger
Read the instruction manual of Koki Holdings
Co., Ltd., on how to use the battery and
charger.
For further information about the battery and
charger, contact Koki Holdings Co., Ltd.
Rechargeable
BSL36A18
BSL36B18
UC18YSL3
(Original Instructions
TQ16463-0 12/2021
)

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Summary of Contents for Nitto Kohki Atra Ace CLO-2725

  • Page 1 Tel : +81-3-3755-1111 Fax : +81-3-3753-8791 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.
  • Page 2 Please keep the manual handy - so you can use it whenever necessary.  English : Please ask your dealer or distributor for instruction manual in local language(s).  German : Bitte fragen Sie lhren Händler nach eine Betriebsanleitung in Landessprache. ...

  • Page 3: Table Of Contents

    れた イメージを表示できません。ファイルが移動または削除されたか、名前が変更された可能性があります。 リンク に正しいファイル名と場所が指定されていることを 確認してください。 Contents Precautions on Use (Make sure to follow the Combinations of Cutters and Pilot Pin ......20 instructions given) ..........4 Attaching the Cutter ............20 General safety warnings ..........1 Preparation of Cutting Oil ..........22 General cordless power tool safety warnings ....4 Attaching the Battery .............24 Product specific safety rules ...........

  • Page 4: Precautions On Use (Make Sure To Follow The Instructions Given)

    Precautions on Use (Make sure to follow the instructions given) Before using your tool, to avoid personal injury always take the basic precautions explained in later sections. General power tool safety warnings WARNING  Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.
  • Page 5 れたイメージを表示できません。ファイルが移動または削除されたか、名前が変更された可能性 があります。 リンク に正しいファイル名と場所が指定されていることを 確認してください。 WARNING (4) Power tool use and care  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. ...

  • Page 7: General Safety Warnings

    General safety warnings Personal safety WARNING  Dress properly. Protective cap Do not wear loose clothing or jewelry. There is a danger of being caught in moving parts. Wear a pair of Eye protection non-slip shoes. If your hair is long, wear a protective hair covering to contain your hair.
  • Page 8 If there are no instructions in the instruction manual, contact the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. (see the back cover of this manual). Do not use the power tool if the switch does not turn it ON and OFF.
  • Page 9 If there are accessories or parts that have been damaged or could hinder work, request repair from the retailer where you purchased the tool or the nearest office of Nitto Kohki Group.  Request repair from a dedicated store.

  • Page 10: General Cordless Power Tool Safety Warnings

     Use only the battery specified for NITTO KOHKI rechargeable power tool. Use the charger and battery specified by NITTO KOHKI that is listed in the instruction manual and catalog. There is a risk of tool failure, injury, and damage if a battery other than the specified battery is used.
  • Page 11 If the tool, charger, or battery becomes hot or you notice a problem, request inspection and repair. Always inquire about repairs at the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. There is a risk of failure and injury if you repair the tool, charger, or battery yourself.

  • Page 12: Product Specific Safety Rules

    Product specific safety rules WARNING  Do not wear gloves when working. Gloves can become entangled in the rotating parts and cause injury.  Be cautious about chips when drilling. When drilling, chips are also rotating together with the cutter. Keep your fingers and other body parts away from chips and the cutter.
  • Page 13 WARNING  Drilling on a workpiece that is not level requires extra attention to safety. When using the tool on a workpiece that is not level, use the lashing strap and auxiliary magnet ass'y.  Use the lashing strap to prevent the tool from falling. Use the included lashing strap and secure the main unit to the workpiece when there is a risk that the main unit will fall or tip over due to the surface not being level, working in a high location, power loss, or the magnet lifting up.

  • Page 14: About Drilling

    WARNING  Do not use a pilot pin that is not matched to the cutter. The pilot pin differs according to the type, diameter, and length (depth) of the cutter. Making a mistake in the combination of cutter and pilot pin can lead to an accident. Refer to "Combinations of Cutters and Pilot Pin"...

  • Page 15: Other Precautions

    Other precautions WARNING  Do not use materials on which electrical welding work is being performed. If the electrical welding is not sufficiently grounded, current can flow through the magnet, causing an irreparable failure in the tool and accident due to malfunction. CAUTION ...

  • Page 16: Precautions For Connecting A Usb Device

    Do not modify this charger. It is certified to the relevant safety standards. Always request repairs at the retailer where you purchased the charger or the nearest office of Nitto Kohki Group. There is a risk of accident and injury if you repair the charger yourself.

  • Page 17: Battery Specific Safety Rules

     If you notice any unusual odor, heat generation, discoloration, deformation, or something out of the ordinary when using, charging, or storing the battery, immediately stop using the battery and contact the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. CAUTION ...

  • Page 18: Regarding Lithium-Ion Battery Transportation

    Regarding Lithium-ion Battery Transportation When transporting a lithium-ion battery, please observe the following precautions. WARNING  Notify the transporting company that a package contains a lithium-ion battery, inform the company of its power output, and follow the instructions of the transportation company when arranging transport. ...

  • Page 19: Application

    When you open the package box, check the contents of the package and also check for any damage that may have occurred during transportation. If an abnormality is found, request service from the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. Package content and accessories...

  • Page 20: Part Names

    3 Part Names (1) LED (2) Hose Nipple (3) Feed Handle (4) Grip (5) Battery Removal Warning LED (6) Filter (7) Battery (8) Stabilizer Light Switch (10) Magnet Switch (11) Stop Electric Drill Switch (12) Start Electric Drill Switch (13) Magnet (14) Strap Attachment Plate (15) Lock Screw (16) Pilot Pin...

  • Page 21: Function Of Electronic Control

     The LED may have failed if it is lit in a color other than white when the battery is attached. Contact the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. When the battery is attached to the main unit, the LED is lit in white first, and then the battery level is displayed with the following colors.

  • Page 22: Plate Thickness Detection

    Magnet disconnection detected An error has occurred with the magnet. The electric drill will not operate. Yellow flashing Request repairs at the retailer where you purchased the tool or the nearest office of Nitto Kohki Group. Main unit lifting detection Main unit lifting or low magnetic force was detected during drilling.

  • Page 23: Charging The Battery

    5 Charging the Battery CAUTION  After the battery is finished charging, wait about fifteen minutes until charging the next battery. Continuously using the same charger generates heat which may cause a failure.  The recharging time may vary according to the ambient temperature and power source voltage. Confirm that the power plug (1) is not inserted into the outlet (2).

  • Page 24: Charging A Usb Device

    (2) Regarding the temperatures and charging time of the rechargeable battery. The temperatures and charging time will become as shown in Table. Charger UC18YSL3 Battery Charging voltage [V] Type of battery Li-ion Temperatures at which the battery can be recharged 0℃...

  • Page 25: Preparation

    6 Preparation WARNING  Prepare the tool for operation with the battery removed. Attaching the Feed Handle Ass'y Attach the included feed handle (1) to the pinion shaft (2) on the side of the main unit. The feed handle can be attached to either side. (1) Feed Handle (2) Pinion Shaft Adjusting the Position of the Handle...

  • Page 26: Combinations Of Cutters And Pilot Pin

    Combinations of Cutters and Pilot Pin CAUTION  Do not use a cutter other than JETBROACH one-touch type cutters.  This tool is exclusively for JETBROACH 25L cutters. Other cutters cannot be used.  For effective cutting and safety, do not use worn or damaged cutters. ...
  • Page 27 Turn the feed handle (1) and lower the arbor (2). (1) Feed Handle (2) Arbor Insert the pilot pin (3) that matches the size of the cutter (4) to use into that cutter. (3) Pilot Pin (4) Cutter Match the indentation (5) on the cutter to the position of the white line on the sleeve (6) and then insert the cutter.

  • Page 28: Preparation Of Cutting Oil

    Preparation of Cutting Oil Observe the following precautions when using the cutting oil. WARNING  Always read the instruction manual and labels before use.  Do not use the cutting oil for any purpose other than cutting.  Do not ingest the cutting oil. The cutting oil is toxic if ingested. ...
  • Page 29 These precautions cover normal handling of cutting oil. For special handling of cutting oil, implement safety measures suited to the application and usage method.  This content is provided for informational purposes only. NITTO KOHKI does not guarantee or bear any responsibility for this information.

  • Page 30: Attaching The Battery

    Attaching the Battery WARNING  Before attaching the battery, check for chips and moisture on the battery and tool.  Please use the battery (BSL36A18, BSL36B18) and charger (UC18YSL3) manufactured by Koki Holdings Co., Ltd. The AC/DC adapter ET36A manufactured by Koki Holdings Co., Ltd., cannot be used. ...

  • Page 31: Checking The Battery Level

    Output stopped due to Flashes failure *1 Remove the battery from the tool and allow it to cool sufficiently. *2 The battery may have failed. Consult with the retailer where you purchased the tool or the nearest office of Nitto Kohki Group.

  • Page 32: Basic Operation

    7 Basic Operation WARNING  Do not wear gloves when drilling. There is a risk of hands becoming entangled in the rotating cutter and chips.  Always use eye protection while working.  Steam is produced by the heat of cutting when drilling. Wear a mask. ...

  • Page 33: Using The Light

    Stopping the tool Press the stop electric drill switch (1). The electric drill stops. The electric drill can also be stopped by pressing any switch other than the light switch. Press and hold the magnet switch (2). The LED flashes blue and then goes out. (1) Stop Electric Drill Switch Release the magnet switch (2).

  • Page 34: Drilling Procedure

    Drilling Procedure CAUTION  If foreign objects are stuck between the attachment surface of the magnet and the workpiece, the main unit may twist.  The electric drill will not operate if the magnetic force cannot be maintained, due to a reason such as holes in the attachment surface of the magnet or workpiece.
  • Page 35 Mount the Guard as shown in the figure. Guard Turn the handle to lower the cutter and make the hole. Press the feed handle ass'y lightly for 2 to 3 mm at the start of the hole to drill slowly. 2 to 3mm When drilling in angles, channels, H-beam steel, and other materials, the tip of the cutter may break when...

  • Page 36: Drilling Elongated Holes

    Removing the slug CAUTION  Do not drill the next hole if the slug remains in the cutter.  The slug should be ejected when the handle of the tool is turned, but do not force the handle to turn if the slug cannot be ejected.

  • Page 37: Drilling H-Beam Steel

    Drilling H-Beam Steel If the lock screw (1) hits the H-beam, remove the lock screw (1). Secure the main unit by attaching the included Hex. Socket Set Screw 8×28. When finished drilling, attach the lock screw. (1) Lock Screw...

  • Page 38: Troubleshooting

    The cooling fan is not operating. Request repairs at the retailer or the nearest office of Nitto Kohki Group. The USB power lamp goes out The battery became low. Switch to a charged battery.

  • Page 39: Maintenance And Inspection

     Do not repair the tool yourself. Repairing the tool by yourself may damage the tool and lead to the risk of personal injury.  If you are unclear about how to use the tool, contact the retailer or NITTO KOHKI. CAUTION ...

  • Page 40: Cleaning The Filters

    If the Pilot Pin Cannot Be Removed Remove the pilot pin (2) when changing the cutter (1). If the pilot pin cannot be removed because the space between the cutter and pilot pin is clogged with chips (3), remove the pilot pin while lightly tapping its tip with a wooden mallet (4) or other tools.

  • Page 41: Storing The Tool

     Do not dispose of the power tool as household garbage.  When disposing of electric tools, hand them over to the nearest office of Nitto Kohki Group.  When disposing of the battery charger, hand them over to the nearest dealer of Koki Holdings Co., Ltd.

  • Page 42: Optional Parts

    Optional Parts NITTO KOHKI Brand Cutting Oil CAUTION  Use the CLO-2725 special cutting oil. The battery may be damaged if cutting oil other than the included CLO-2725 special cutting oil gets on the battery. Do not use a damaged battery.

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