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INSTRUCTION MANUAL
No.1909
MODEL
Read and fully understand all the instructions before use.
Keep this manual in designated place for easy and quick reference.
The models mentioned in this manual are designed for use outside Japan.
Warranty shall be void if above mentioned models are used in Japan.
GNB31E-CE / GNB32E-CE
GNB51E-CE / GNB52E-CE
GNB81E-CE / GNB82E-CE
GNB121E-CE / GNB122E-CE
GNBC81E-CE / GNBC82E-CE
GNBC121E-CE / GNBC122E-CE
GNBC211E-CE / GNBC212E-CE
CAUTION
Double Insulation

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  • Page 1 INSTRUCTION MANUAL No.1909 GNB31E-CE / GNB32E-CE GNB51E-CE / GNB52E-CE GNB81E-CE / GNB82E-CE GNB121E-CE / GNB122E-CE MODEL GNBC81E-CE / GNBC82E-CE GNBC121E-CE / GNBC122E-CE GNBC211E-CE / GNBC212E-CE Double Insulation CAUTION Read and fully understand all the instructions before use. Keep this manual in designated place for easy and quick reference.
  • Page 2 PREFACE Thank you for purchasing the- ■ Upon receipt, check and confirm the following: ● Check for any damage. ● Check for any loose or missing screws and bolts. ● Check the model as per order. ● Check all the accessories are contained. (➭P.15~18) If any problems are found, contact your distributor.
  • Page 3 SAFETY INSTRUCTION This manual specifies three (3) basic safety instructions: Instructions are classified by degree of risk and described as follows: Danger is used to indicate threatening dangerous or unsafe practices which could immediately result in severe personal injury or death in the worst case. Warning is used to indicate hazardous or unsafe practices which could result in severe personal injury or death in the worst case.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL SAFETY INSTRUCTIONS ····································· 4 2. APPLICATION ·················································································· 7 PRECAUTIONS FOR USE ················································· 7 4. PART NAME & ACCESSORIES ············································ 15 5. BEFORE USE ················································································ 19 6. CHANGING ACCESSORIES ··················································· 21 7. OPERATING PROCEDURE ····················································· 23 8.
  • Page 5: General Safety Instructions

    1. GENERAL SAFETY INSTRUCTIONS WARNING When using electric tools, basic safety precautions, including the following, should always be followed to reduce the risk of fire, electric shock and personal injury. Read all instructions before operating this product and keep the instructions for future reference.
  • Page 6 e) When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock. 3) Personal safety a) Stay alert, watch what you are doing and use common sense when operating a power tool.
  • Page 7 4) Power tool use and care a) 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. b) Do not use the power tool if the switch does not turn it on and off.
  • Page 8: Application

    2. APPLICATION ■ is an electric tool for tightening hexagonal bolts. PRECAUTIONS FOR USE ■ To prevent accidents or personal injury read and follow all instructions listed below. DANGER ● Beware of electric shock when operating at elevated heights. ○ Failure to follow these instructions may result in fall down accidents. -...
  • Page 9 DANGER ●Never put hand in the turning circle of reaction bar during operation. The reaction bar rotates in the reverse direction. ○If the wrench is started, the reaction bar will turn in the direction opposite to the rotation of nut. There is a risk that finger might be pinched by reaction bar and reaction-member.
  • Page 10 WARNING ● Beware of electric shock. ○ Never use the wrench when moisture is present such as rain or snow. ○ Never touch the plug with wet hands. Failure to follow these instructions may result in electric shock, fire or electric leakage.
  • Page 11 WARNING ● Avoid overloading. ○ Use the wrench and its accessories within the rated specifications. An overloaded wrench and its accessories may result in the malfunction of the wrench which may cause accidents or personal injury. ● Properly install the sockets as described in this manual. Incomplete installation may result in accident and personal injury.
  • Page 12 WARNING ● Store the wrench in the metal case and place it in protected storage when not in use. ○ Store the wrench in a secure, dry location to keep any unauthorized personnel away. Failure to follow these instructions may result in malfunction or accidents. ●...
  • Page 13 WARNING ● Immediately check the wrench if it is dropped or impacted. ○ Check for deformation, crack, damage and other abnormality. Stop using the wrench if any abnormality is found. ○ Do not use the wrench if any problems are found. Failure to follow these instructions may result in electric shock, fire or burn accidents.
  • Page 14 ● Dress properly. ■ Always wear gloves and non-skid shoes when operating. ■ Always wear safety helmet. ● Use genuine accessories and attachments manufactured by TONE CO., Ltd. ■ Use the genuine accessories mentioned in this instruction manual or TONE’s general catalog.
  • Page 15 CAUTION ● Do not connect multiple plugs to a single outlet by using a multiple outlet adaptors. Over current may cause fire, accidents or malfunction. ● Do not abuse the electric cord. ■ Never use the electric cord for carrying, pulling or unplugging the power. ■...
  • Page 16: Part Name & Accessories

    4. PART NAME & ACCESSORIES Part Name (for GNB series) Main Body Internal Gear Set Screw Bar Socket Change Lever Trigger Switch Motor Rating Plate Carbon Brushes Torque Setting Dial Green LED Red LED Graduation Cord Plug Accessory Instruction Metal Case (-)Driver Manual (-)Driver...
  • Page 17 Accessories (for GNB series) Model Bar Socket Accessories GNB31E-CE MRU Series GNB32E-CE ・(-)Driver GNB51E-CE For Bar Socket MRU Series GNB52E-CE For Torque Setting Dial ・CE Connector GNB81E-CE MRU Series GNB82E-CE ・Metal Case ・Instruction Manual GNB121E-CE HRU Series GNB122E-CE Optional Accessories (for GNB series)
  • Page 18 Part Name (for GNBC series) Main Body Internal Gear Rating Plate Changing Switch Trigger Switch Motor Carbon Brushes Set Screw Control Box Torque Setting Dial Bar Socket Cord Plug Green LED Red LED Graduation Accessory Instruction (-)Driver Metal Case (-)Driver Manual for Socket for Control Base...
  • Page 19 Accessories (for GNBC series) Model Bar Socket Accessories GNBC81E-CE ・(-)Driver 22UR36T GNBC82E-CE For Bar Socket GNBC121E-CE For Torque Setting Dial 24UR41T GNBC122E-CE ・CE Connector ・Metal Case GNBC211E-CE 30UR50T ・Instruction Manual GNBC212E-CE Optional Accessories (for GNBC series) Model GNBC81E-CE Bar Socket 22UR Series GNBC82E-CE GNBC121E-CE Bar Socket 24UR Series...
  • Page 20: Before Use

    5. BEFORE USE WARNING ● Check the following contents before connecting the plug into a power source. Failure to follow these instructions may result in serious injury due to accidental starting, ○ Inspection of the wrench Check for any deformation, crack or damage on the wrench body, sockets and accessories before use.
  • Page 21 CAUTION ● Warm up procedure with no-load should be carried out about 5 minutes before operation. Especially, when the wrench is used at low torque setting under low temperature (0~10℃), the warm up procedure with no-load must be carried out at least 5 minutes In this case, the torque setting dial should be set at Maximum.
  • Page 22: Changing Accessories

    Set Screw ○ Select adequate bar socket for the bolts being tightened. i.e. Use TONE genuine 36mm bar socket for tightening M22 high strength hexagonal bolts/nuts. ○ Mount the bar socket on the wrench body and remove the gap between the bar socket and the wrench body.
  • Page 23 ○ Pull the bar socket in order to confirm that the bar socket was mounted on the wrench body completely. WARNING ● There should be no gap between the socket assembly and the wrench. A gap invites accidents or breakage of the sockets or the wrench body. - 22 -...
  • Page 24: Operating Procedure

    7. OPERATING PROCEDURE 1.Tightening Operation ①Set the change lever or switch to “R” (clockwise) position. ※When tightening left handed screw, set the lever or switch to ”L”(counterclockwise) position. ① ②Adjust the torque setting dial to target torque with (-) a screw driver. ②...
  • Page 25 2.Loosening Operation ①Set the change lever or switch to “L” (counterclockwise) position. ※When tightening left handed screw, set the lever or switch to ”R”(clockwise) position. ① ②Adjust the torque setting dial to the maximum torque with (-) a screw driver. ②...
  • Page 26 DANGER ●Never put hand in the turning circle of reaction bar during operation. The reaction bar rotates in the reverse direction. Negligence might cause accidents or injury. WARNING ●Set target torque as well as the change lever or switch while electric motor is stopping.
  • Page 27: Tightening Torque

    8. TIGHTENING TORQUE 1.Adjustment of tightening torque ■Graduations of the torque setting dial are just a guidance. For more precise tightening, use dial type TORQUE WRENCH to adjust torque setting dial. Adjust torque setting dial to Graduation for torque setting dial is only guidance.
  • Page 28 ○Tightening Torque may differ by conditions. Torque setting has to be done daily before operation and when tightening conditions change. ○Turn off the motor before set target torque. ○In order to prevent malfunction as well as over torque, never tightening the same bolts / nuts twice.
  • Page 29: Explanation Led Indication

    9. EXPLANATION ON LED INDICATION ■ The NUT RUNNER is provided with GREEN and RED LED lights that indicate whether the tightening operation has been successfully completed or any trouble has occurred. : Lights Out : Light On : Quick On & Off (5 times/sec) : On &...
  • Page 30: Inspection & Maintenance

    ○ Store the wrench in the metal case after operation and keep it dry. ○Carbon brushes must be regularly inspected and replaced with the new genuine TONE carbon brushes when the brush length becomes less than 5 or 6mm. * Carbon brushes are placed in two positions.
  • Page 31: Feature

    ○ Replace carbon brush as the drawing below. Motor Let two “A” portion coincide Carbon Brush Brush Cap ○ Overhaul must be carried out every 6 months or 10,000 tightening, whichever comes first. Contact your distributor for overhaul. 11. FEATURE Feature (for GNB series) ○Double Insulated Electric Wrench.
  • Page 32: Specifications

    12. SPECIFICATIONS Specifications (for GNB series) GNB31E GNB32E GNB51E GNB52E GNB81E GNB82E GNB121E GNB122E Model Frequency 50-60Hz Voltage 110- 220- 110- 220- 110- 220- 110- 220- (Single 120V 230V 120V 230V 120V 230V 120V 230V Phase) Max Current 10.5A 5.5A 14.5A 7.5A 14.5A...
  • Page 33: After Sales Service

    13. AFTER SALES SERVICE ● Use the wrench properly in accordance with the cautions and warnings mentioned in this instruction manual. ● If there is a tool failure, provide the model number, serial number and date of purchase along with the details of the failure when contacting your distributor. CAUTION ●...
  • Page 34: Ec Declaration Of Conformity

    14. EC DECLARATION OF CONFORMITY We hereby declare that the following our product conform to the essential health and safety requirements of EC Directives. Product NUT RUNNER (Electric motor operated tools) GNB31E-CE GNB32E-CE Model No. GNB51E-CE GNB52E-CE GNB81E-CE GNB82E-CE GNB121E-CE...
  • Page 35 MEMO...
  • Page 36 IMKA071...

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