Tone GNR31E-UC Instruction Manual
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Tone GNR31E-UC Instruction Manual

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INSTRUCTION MANUAL
Ｎｏ．１７０5
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.
GNR31E-UC / GNR51E-UC /GNR81E-UC
GNR121E-UC / GNR211E-UC
CAUTION
Double Insulation

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Summary of Contents for Tone GNR31E-UC

  • Page 1 INSTRUCTION MANUAL Ｎｏ．１７０5 GNR31E-UC / GNR51E-UC /GNR81E-UC MODEL GNR121E-UC / GNR211E-UC Double Insulation CAUTION 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.
  • 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.16～16) 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 ············································ 16 5. BEFORE USE ················································································ 18 6. CHANGING ACCESSORIES ··················································· 20 7. OPERATING PROCEDURE ····················································· 22 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 ● Insert socket securely to the depth of nut. ○ If insufficient, it might damage socket and cause personal injury. Negligence might cause accident, breakage or injury. ● Beware of electric shock. ○ Never use the wrench when moisture is present such as rain or snow. ○...
  • Page 11 WARNING ● Never use the wrench in an area where gasoline, gas, thinner, benzene, etc., are stored. ○ Do not use the wrench around flammable substances to avoid accidental fire caused by the spark out of the electric motor. ● Beware of falling accidents when working at elevated heights. ○...
  • Page 12 WARNING ● Disconnect the plug from the power source when: ○ Not in use. ○ Changing accessories. ○ Performing inspection and maintenance. ○ Or other danger is foreseen. Failure to follow these instructions may result in accidental starting and personal injury. ●...
  • Page 13 WARNING ● Check the following items before operation. ○ Check for any deformation, crack or damage on the wrench body, sockets, accessories, electric cord, plug, etc. ○ Make sure that socket and reaction bar are correctly installed on the wrench. ○...
  • Page 14 CAUTION ● Use Commercial power supply to operate the wrench. ● Follow the instructions below when using generator. ■ Use 50-60Hz (AC) sinusoidal power supply without high harmonic wave. Power supply including high harmonic wave may cause malfunction or breakage of the wrench. ■...
  • Page 15 ● 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 16 CAUTION ● Maintain wrench. ■ Keep the wrench handle clean, dry and free of oil or grease. ●Provide leakage breaker as a shock guard for each wrench. ■Although a double insulated wrench does not require a leakage breaker, use of leakage breaker is strongly recommended as an extra safeguard. ●...

  • Page 17: Part Name & Accessories

    4. PART NAME & ACCESSORIES Part Name Main Body Internal Gear Set Screw Output Drive Change Lever Trigger Switch Reaction Bar Motor Rating Plate Carbon Brushes Torque Setting Dial Green LED Red LED Graduation Cord Plug Accessory Instruction Metal Case (-)Driver Manual (-)Driver...
  • Page 18 Accessories Output Reaction Spirolox Model Accessories Adapter (for Reaction Bar) GNR31E-UC AD6M 80KLHA FRS-40 GNR32E-UC ･(-)Driver GNR51E-UC AD6M 80KLHA FRS-40 For Adapter GNR52E-UC For Torque GNR81E-UC AD6M 80KLHA FRS-40 Setting Dial GNR82E-UC ･Metal Case GNR121E-UC ･Instruction AD8H 120KLHA FRS-50 GNR122E-UC...

  • Page 19: 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 20 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 21: Changing Accessories

    6. CHANGING ACCESSORIES １．Changing Reaction Bar Bush ●Mount Reaction Bar ①Mount the reaction bar on the wrench body to fit the spline. ②Install spirolox in groove part of the Reaction Bar reaction bar. * At first put the notch as shown and install gradually in a circumferential direction.
  • Page 22 WARNING ● Confirm if there is no crack, wear or deformation on the impact socket. Personal injury might be invited if the socket is shattered. ● Confirm if there is no deformation with O-ring and bend or crack with pin. If something wrong with pin or O-ring, replace them to new one.

  • Page 23: Operating Procedure

    7. OPERATING PROCEDURE １．Tightening Operation ①Set the change lever to “R” (clockwise) position. ※When tightening left handed screw, set the lever to ”L”(counterclockwise) position. ① ②Adjust the torque setting dial to target torque with (-) a screw driver. ② ③Slide the socket over nut completely by turning the internal gear.
  • Page 24 ２．Loosening Operation ①Set the change lever to “L” (counterclockwise) position. ※When tightening left handed screw, set the lever to ”R”(clockwise) position. ① ②Adjust the torque setting dial to the maximum torque with (-) a screw driver. ② ③Slide the socket over nut completely by turning the internal gear.
  • Page 25 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 while electric motor is stopping.

  • Page 26: 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 27 ○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 28: 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 29: 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 5mm (3/16”) or 6mm (1/4”).

  • Page 30: 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 ○Double Insulated Electric Wrench.

  • Page 31: Specifications

    12. SPECIFICATIONS Model GNR31E-CE GNR51E-UC GNR81E-UC GNR121E-UC GNR211E-UC Frequency 50-60Hz Voltage （Single 110-120V 110-120V 110-120V 110-120V 110-120V Phase） 10.5A 14.5A 14.5A Current Max Power 1100W 1650W 1650W 1900W 1900W Max Torque 220lbf・ft 370lbf・ft 600lbf・ft 900lbf・ft 1550lbf・ft Controllable Torque 110～220lbf・ft 150～370lbf・ft 250～600lbf・ft 360～900lbf・ft 750～1550lbf・ft...
  • Page 32 IMKA068...

This manual is also suitable for:

Gnr121e-ucGnr211e-ucGnr81e-ucGnr51e-uc

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