BOSCH GDS18V-740C, GDS18V-770C 18v Cordless Drill Instruction Manual

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

Safety Symbols

The definitions below describe the level of severity for each signal word.
Please read the manual and pay attention to these symbols.

| This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
---|---
| DANGER indicates a hazardous situation that, if not avoided, will result in death or serious injury.
| WARNING indicates a hazardous situation that, if not avoided, could result in death or serious injury.
****| CAUTION indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.

General Power Tool Safety Warnings

**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.
SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE
** The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

1. Work area safety
   a. Keep the work area clean and well-lit. Cluttered or dark areas invite accidents.
   b. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks that may ignite dust or fumes.
   c. Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2. Electrical safety
   a. Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce the risk of electric shock.
   b. Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges, and refrigerators.
   There is an increased risk of electric shock if your body is earthed or grounded.
   c. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
   d. Do not abuse the cord. Never use the cord for carrying, pulling, or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts.
   Damaged or entangled cords increase the risk of electric shock.
   e. When operating a power tool outdoors, use an extension cord suitable for outdoor use. The use of a cord suitable for outdoor use reduces the risk of electric shock.
   f. If operating a power tool in a damp location is unavoidable, use a Ground Fault Circuit Interrupter (GFCI) protected supply. The use of a GFCI 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. Do not use a power tool while you are tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury.
   b. Use personal protective equipment. Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hats, or hearing protection used for appropriate conditions will reduce personal injuries.
   c. Prevent unintentional starting. Ensure the switch is in the off-position before connecting to a power source and/or battery pack, picking up, or carrying the tool. Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.
   d. Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.
   e. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
   f. Dress properly. Do not wear loose clothing or jewelry. Keep your hair and clothing away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts.
   g. If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. The use of dust collection can reduce dust-related hazards.
   h. Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

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. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
   c. Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
   d. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
   e. Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
   f. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
   g. Use the power tool, accessories and tool bits, etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
   h. Keep handles and grasping surfaces dry, clean, and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

5. Battery tool use and care
   a. Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.
   b. Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
   c. When the battery pack is not in use, keep it away from other metal objects like paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.
   d. Under abusive conditions, liquid may be ejected from the battery, avoid contact. If contact accidentally occurs, flush with water. If liquid contacts the eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
   e. Do not use a battery pack or tool that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behavior resulting in fire, explosion, or risk of injury.
   f. Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 265 °F may cause an explosion.
   g. Follow all charging instructions and do not charge the battery pack or tool outside the temperature range specified in the instructions. Charging improperly or at temperatures outside the specified range may damage the battery and increase the risk of fire.

6. Service
   a. Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.
   b. Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers.

Safety Rules for Cordless Impact Wrenches

a. Hold the power tool by insulated gripping surfaces, when performing an operation where the fastener may contact hidden wiring. Fasteners contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
b. Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against your body leaves it unstable and may lead to loss of control.
c. Do not drive fasteners into existing walls or other blind areas where electrical wiring may exist. If this situation is unavoidable, disconnect all fuses or circuit breakers feeding this worksite.
d. Use only sockets designed for power impact wrenches. Sockets designed for hand use may break under the load this tool generates.
e. Be certain to seat the socket completely and securely on the output drive.
f. Do not use worn or damaged sockets.
g. Select the correct size sockets and keep the inside of the socket clean.
h. Do not allow a loose fastener to spin freely within the socket. The fastener may be thrown out of the socket.
i. Use thick cushioned gloves and limit the exposure time by taking frequent rest periods. Vibration caused by impact driver action may be harmful to your hands and arms.
j. Remove battery pack before changing accessories. Accidental starting may occur because battery appliances with a battery inserted are in the operative condition.
k. Be prepared for a reaction torque when “seating” or removing a fastener. The tool housing may tend to twist in the opposite direction of accessory rotation when “seating” or removing a fastener depending on the torque setting of the tool.
l. Do not run the tool while carrying it at your side. The rotating drive could become entangled with clothing and injury may result.
m. Place the tool onto the fastener only when the tool is switched off. Rotating driver tools can slide off the fastener.

Additional Safety Warnings

a. GFCI and personal protection devices like electrician’s rubber gloves and footwear will further enhance your personal safety.
b. Develop a periodic maintenance schedule for your tool. When cleaning a tool be careful not to disassemble any portion of the tool since internal wires may be misplaced or pinched or safety guard return springs may be improperly mounted. Certain cleaning agents such as gasoline, carbon tetrachloride, ammonia, etc. may damage plastic parts.
c. Ensure the switch is in the off position before inserting the battery pack. Inserting the battery pack into power tools that have the switch on invites accidents.
****Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contain chemicals known to cause cancer, birth defects, or other reproductive harm. Some examples of these chemicals are:

• Lead from lead-based paints,
• Crystalline silica from bricks and cement and other masonry products, and
• Arsenic and chromium from chemically treated lumber.

Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well-ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.

Symbols

Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.

speed, orbits etc. per minute)
0| Off position (zero speed, zero torque…)
1, 2, 3, … I, II, III,| Selector settings (speed, torque, or position settings. Higher number means greater speed)
0| Infinitely variable selector with off (speed is increasing from 0 setting)
| Arrow (action in the direction of arrow)
| Alternating current (type or a characteristic of current)
| Direct current (type or a characteristic of current)
| Alternating or direct current (type or a characteristic of current)
| Class II construction (designates double insulated construction tools)
| Earthing terminal (grounding terminal)

Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.

| Alerts user to read manual.
| Alerts user to wear eye protection.
| Alerts user to wear respiratory protection.
| Alerts user to wear hearing protection.
| Alerts user to wear eye, respiratory, and hearing protection.

| This symbol designates that this tool is listed by Underwriters Laboratories, to United States and Canadian Standards.
| This symbol designates that this tool is listed by the Canadian Standards Association.
| This symbol designates that this tool is listed by the Canadian Standards Association, to United States and Canadian Standards.
| This symbol designates that this tool is listed by the Intertek Testing Services, to United States and Canadian Standards.
| Designates Li-ion battery recycling program.

Functional Description and Specifications

****Disconnect battery pack from the tool before making any assembly, adjustments, or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.

Cordless Impact Wrench GDS18V-740C

1. Output drive

2. Rotational direction switch

3. Joist hanger

4. Battery*

5. Battery release button*

6. User Interface

7. Variable speed trigger switch

8. Handle (insulated gripping surface)

9. Socket*

10. Connectivity module compartment
    User Interface

11. Status indicator LED

12. Worklight

13. Speed preselection button

14. Speed preselection level indicator

15. Mode button

16. Mode selection indicator

*Accessories shown or described are not included with the product as standard. You can find the complete selection of accessories in our accessories range.

****Disconnect battery pack from the tool before making any assembly, adjustments, or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.

Cordless Impact Wrench GDS18V-770C

1. Output drive

2. Through hole (GDS18V-770C)

3. Rotational direction switch

4. Joist hanger

5. Battery*

6. Battery release button*

7. User Interface

8. Variable speed trigger switch

9. Handle (insulated gripping surface)

10. Socket*

11. Connectivity module compartment
    User Interface

12. Status indicator LED

13. Worklight

14. Speed preselection button

15. Speed preselection level indicator

16. Mode button

17. Mode selection indicator

*Accessories shown or described are not included with the product as standard. You can find the complete selection of accessories in our accessories range.

No-load speed
– Setting 1| 0–800 RPM| 0–800 RPM
– Setting 2| 0–1300 RPM| 0–1300 RPM
– Setting 3| 0–1750 RPM| 0–1750 RPM
Impact rate
– Setting 1| 0–1600 IPM| 0–1600 IPM
– Setting 2| 0–2300 IPM| 0–2300 IPM
– Setting 3| 0–2600 IPM| 0–2600 IPM
Maximum torque
– Setting 1| 260 Ft-lbs| 260 Ft-lbs
– Setting 2| 480 Ft-lbs| 480 Ft-lbs
– Setting 3| 740 Ft-lbs| 770 Ft-lbs
Breakaway torque| 1180 Ft-lbs| 1250 Ft-lbs
Weight tool only| 6.4 lbs| 6.4 lbs
---|---|---
Permitted battery temperature during charging| +32…+113°F (0…+45C)| +32…+113°F (0…+45C)
Permitted ambient temperature during operation and storage| -4…+122°F (-20…+50C)| -4…+122°F (-20…+50C)
Recommended ambient temperature during charging| +32…+95°F (0…+35°C)| +32…+95°F (0…+35°C)
Data Transmission (GCY42 installed)
 Bluetooth®| Bluetooth® 4.1 (Low Energy)
A| Bluetooth® 4.1 (Low Energy)A
Signal interval, approx.| 8s| 8s
Signal range| maximum 98ftB| maximum 98ftB

Optimized for CORE18V with Max performance from ≥ 8Ah
A The mobile terminal devices must be compatible with Bluetooth® Low Energy devices (version 4.1) and support the Generic Access Profile (GAP).
B The signal range may vary greatly depending on external conditions. The Bluetooth® range may be significantly weaker inside closed rooms and through metallic barriers (e.g. walls, shelving units, cases, etc.).

Battery Packs / Chargers:
Please refer to the battery/charger list, included with your tool.
NOTE: For tool specifications refer to the nameplate on your tool.

Assembly

WARNING Disconnect battery pack from the tool before making any assembly, adjustments, or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.

Inserting and Releasing Battery Pack

Set Forward/Reversing lever (3) to the center (locked position). Slide charged battery pack (5) into the housing until the battery pack locks into position (Fig. 3). Your tool is equipped with a secondary locking latch to prevent the battery pack from completely falling out of the handle, should it become loose due to vibration. To remove the battery pack, press the battery pack release button (6) and slide the battery pack (5) completely out of the tool housing (Fig. 4).

Inserting and Removing Accessories

Attach only high-quality impact-ready accessories with the proper size square drive designed for use with impact wrenches. To install a socket (10), simply push it completely onto the output drive (1) (Fig. 5, 6).
Through-hole (2) allows for more secure socket retention via compatible sockets and the use of an accessory pin and ring or one-piece retainer. Follow accessory retention device manufacturer’s recommendations for the use of through hole.

GCY42 Connectivity Module installation

WARNING To reduce the risk of injury read the operating instructions included with Bosch GCY42 connectivity module. Operating instructions for the GCY42 connectivity module include important information not covered in this manual.
WARNING Only use Button/coin cell 3V lithium CR2032 battery. Do not use any other button/coin cells or other forms of electrical power supply.
WARNING Ensure that battery replacement is carried out properly. There is a risk of explosion.
WARNING Chemical Burn Hazard.  Keep batteries away from children. This product contains a  lithium button/coin cell battery. If a new or used lithium button/coin cell battery is swallowed or enters the body, it can cause severe internal burns and can lead to death in as little as 2 hours. If you think a battery might have been swallowed or placed inside any part of the body, seek immediate medical attention.
WARNING Always completely secure the connectivity module compartment. If the connectivity module compartment does not close securely, stop using the product, remove the battery, and keep it away from children.
WARNING When discarding batteries, insulate the ‘+’ and ‘–’ terminals with insulating tape. When disposed of improperly, lithium batteries may short, causing them to become hot, burst, or ignite.
WARNING Never dispose of the batteries in a fire or expose to high heat. The batteries may explode.
If the GCY42 connectivity module is not purchased with the tool, or if the replacement of the module or the battery becomes necessary, please follow this procedure (See Fig. 7):

• Using a flat screwdriver or a coin, remove the cover (A) from the side of the handle, by turning it 1/4 turn counter-clockwise.

• If the tool is already equipped with the connectivity module, remove the battery (B), but do not remove the connectivity module (C).

• If the connectivity module is installed for the first time, remove the plastic placeholder (D) from the connectivity module compartment, and place the connectivity module (C) in the compartment observing the correct orientation.
  Note: Store the placeholder (D) in a safe place. Reinsert the placeholder again if the communications module is removed.

• Next place the new battery (B) on the top of the connectivity module with the “+” polarity facing up.

• Place the cover (A) over the battery and turn it ¼-turn clockwise to lock using a flat screwdriver or a coin.

Connectivity

WARNING To reduce the risk of injury read the operating instructions included with Bosch GCY42 connectivity module. Operating instructions for the GCY42 connectivity module include important information not covered in this manual.

Bluetooth®

WARNING Do not use the power tool with Bluetooth® in the vicinity of gas stations, chemical plants, areas where there is a danger of explosion, and areas subject to blasting. Do not use the power tool with Bluetooth® in airplanes. Do not use the power tool with Bluetooth® in the vicinity of medical devices. Avoid operation in the direct vicinity of the human body over longer periods of time. When using the power tool with Bluetooth®, interference with other devices and systems, airplanes and medical devices (e.g., cardiac pacemakers, hearing aids) may occur. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Robert Bosch Tool Corporation is under license.
WARNING Follow all instructions and warnings provided by your Bluetooth® device manufacturer. Failure to follow recommended procedures could result in personal injury or property
damage.
WARNING Exercise extreme caution when using Bluetooth® devices to control or change power tool functions. Operation of the device may be in a different area than the paired power tool. Paired devices may have functionality that allows timed event programming, including automatically powering on (e.g. flood light). Depending upon the power tool, these unattended operations or function changes without direct line of sight to the paired tool could result in personal injury or property damage.
WARNING Always check tool settings before use. Settings may be different than when the tool was last used. The connectivity module enables the transfer of data and settings based on Bluetooth® wireless technology. With the module installed, select tool settings may be changed remotely by a paired Bluetooth® device and user-installed app.
CAUTION The connectivity module GCY42 is equipped with a radio interface. Local operating restrictions, e.g. in military sites or hospitals, are to be observed. Transmitters have demonstrated an ability to unintentionally interfere with other devices.

Think safety
SAFETY IS A COMBINATION OF OPERATOR COMMON SENSE AND ALERTNESS AT ALL TIMES WHEN THE TOOL IS BEING USED.

FCC caution

The manufacturer is not responsible for radio interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.  This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.
   NOTE! This equipment has been tested and found to comply with the limits for Class B digital devices, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur
   in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off

Connectivity

and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
  “Exposure to Radio Frequency (RF) Signals: The wireless device is a radio transmitter and receiver. It is designed and manufactured not to exceed the emission limit for exposure to radio frequency (RF) energy set by the Ministry of Health (Canada), Safety Code 6. These limits are part of comprehensive guidelines and establish permitted levels of RF energy for the general population.

These guidelines are based on the safety standards previously set by international standard bodies. These standards include a substantial safety margin designed to assure the safety of all persons, regardless of age and health. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.

Industry Canada

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause undesired operation of the device.

Using “Bosch Toolbox” app

After pairing your tool with a mobile device you can adjust certain functions or check the status of the power tool using the Bosch Toolbox app (Fig. 8 and Fig. 9).
Every time you change any setting, the tool will confirm the changes by flashing the Status indicator LED (12) blue.
A. Help button – Tapping this button will bring up help screen.
B. Tool photo – Tapping the photo will let you customize the photograph of the tool.
C. Power tool battery charge status – The number of battery icons in green indicates the estimated charge level of the battery pack. Note: Number of battery icons may not be equal to the number of LEDs on the battery fuel gauge.
D. Power tool nickname – Tapping the “pencil” icon will let you customize the tool nickname. You can also do it when changing the tool photo.
E. Connection status bar – The connection (signal) strength is indicated by vertical bars. You can use the toggle switch to disconnect the tool from your mobile device.
F. Assigned modes – Allows you to define two modes of operation (A and B), specifying options such as Auto Shut Off, Auto Slow Down, and the direction of rotation for each mode.
G. RPM Adjustment – Allows you to select the rotation speed.
H. Soft Start – Allows speed ramp-up of the tool.
I. Work Light – Allows you to set the work light’s brightness and afterglow.
J. User Interface – Allows you to set the brightness and afterglow of the user interface.
K. Reset to Factory Default – Returns the tool to its original settings.
L. Tool alerts – Tapping the alerts triangle will display any alerts received from the tool.
M. Info button – Displays tool information and specifications.

N. Tool Name – Tapping this displays the tool’s model, serial number, manufacturing date, and baretool number.
O. Register Tool – Tapping this registers the tool.
P. Tool Specs – Tapping this displays the tool’s voltage, maximum torque, no load speed, impact rate, drive/bit holder type, head length, and weight (excluding battery).
Q. Tool Usage Info – Tapping this displays the tool’s run time.
R. Bluetooth Low Energy Module – Tapping this displays the Bluetooth module’s name, firmware version, and whether the firmware is up to date.
Note: Refer to the in-app Help screen (A) for more information on connectivity features, modes, and settings.

Operating Instructions

Intended Use
CAUTION This tool is intended for the tightening and loosening of bolts, nuts, and various threaded fasteners. This tool is not intended for use as a drill.
Variable Speed Controlled Trigger Switch
Your tool is equipped with a variable speed trigger switch. The tool can be turned “ON” or “OFF” by squeezing or releasing the trigger. The speed can be adjusted from the
minimum to maximum nameplate RPM by the pressure you apply to the trigger. Apply more pressure to increase the speed and release pressure to decrease speed (Fig. 1).
Brake
When the trigger switch is released it activates the brake to stop the chuck quickly. This is especially useful in the repetitive driving and removal of screws.

Forward/Reversing Lever and Trigger Lock

WARNING After tool use, lock trigger in “OFF” position to help prevent accidental starts and accidental discharge.
CAUTION Do not change direction of rotation until the tool comes to a complete stop. Shifting during the rotation of the chuck can cause damage to the tool.
Your tool is equipped with a forward/ reversing lever and trigger lock (3) located above the trigger (Fig. 10). This lever was designed for changing the rotation of the socket, and for locking the trigger in an “OFF” position.
To lock the trigger, move the lever to the center.
For forward rotation, (with chuck pointed away from you) move the lever to the far left.
For reverse rotation move the lever to the far right. To activate the trigger lock move the lever to the center off position. 1

Built-in work light
Your tool is equipped with an LED light (13) for better visibility when using the tool. After the trigger (8) is activated, the LED will then stay on for 10 seconds. The length
of time for afterglow can be changed in ‘Bosch ToolBox’ app setting (if connected).
Operating tips
You will extend the life of your bits and do neater work if you always put the bit in contact with the work before pulling the trigger. During the operation, hold the tool firmly and exert light, steady pressure. Too much pressure at low speed will stall the tool. This can be damaging to both the tool and the bit.
Driving with variable speed
The technique is to start slowly, increasing the speed as the screw runs down. Set the screw snugly by slowing to a stop. Prior to driving screws, pilot and clearance holes should be drilled.

Always hold the tool straight on the bolt to be tightened. The best method to determine the right impacting/tightening duration is by means of a trial. For small screws, the right
impacting/ tightening duration can be reached in less than 0.5 Sec. Therefore, work with low RPM and switch the tool off immediately when the screw is tight and the impacting sound can be heard. For screwing larger, longer wood screws into hard material, pre-drilling is the best method.

Tightening Torque
The tightening torque depends on the duration of the impacting/tightening action. The largest tightening torque is achieved after approx. 6 to 10 Sec. impacting / tightening action. The torque build-up depends on the following factors:

• Hardness of the bolts/nuts.
• Type of washer (disk washer, spring washer, seal).
• Hardness of the material to be joined.
• Lubricating effect at the surfaces of the junction.

This leads to the following application cases:
Hard joining application: The joining of metal to metal with a disk washer. The maximum torque is reached after a relatively short impacting/tightening action. Medium joining application: The joining of metal to metal when using a spring ring washer, disk spring washer, stud bolts or bolts/nuts with conical seats. Soft joining application: The joining of e.g. metal to wood or insulation material. For middle or soft joining cases, the maximum tightening torque is less than for hard cases. Therefore, a longer impacting/tightening action is necessary to arrive at the maximum tightening torque.

Selecting the working mode
The power tool has two preset working modes: A and B (17). You can also program working modes for different applications and adjust existing modes via the Bosch Toolbox under A and B. To switch between the working modes A and B (17), press the Mode button (16).
Default Mode A is designed for SelfDrilling Screws. Auto Slow Down is activated in both the forward and reverse directions. By Default Mode B is designed for Wood Screws. In the forward direction, Auto Shutoff is activated. In the reverse direction, Auto Shut Off functions as Auto-Bolt Release for the default Mode B. Note: Only one Setting or Mode can be active on the tool at a time. 1, 2, 3, A, or B.

Fastening with screws
The procedure shown in (Fig. 11) will help to fasten materials together with your tool and will reduce the possibility of stripping, splitting or separating the material.

First, clamp the pieces together and drill the first hole 2/3 the diameter of the screw. If the material is soft, drill only 2/3 the proper length. If it is hard, drill the entire length.
Second, unclamp the pieces and drill the second hole the same diameter as the screw shank in the first or top piece of wood.
Third, if the flat head screw is used, countersink the hole to make the screw flush with the surface. Then, simply apply even pressure when driving the screw. The screw shank clearance hole in the first piece allows the screw head to pull the pieces tightly together.

Driving nuts and bolts
Use variable speed control with caution for driving nuts and bolts with socket attachments. The technique is to start slowly, increasing speed as the nut or bolt runs down. The nut or bolt is set when the socked comes to a stop.
Note: Ensure that no metal particles enter the power tool. After working at a low speed for an extended period, you should operate the power tool at the maximum speed for approximately three minutes without load to cool it down.
Cold weather use (32°F)
Due to the lubrication used in the impacting mechanism, the tool should be run for three minutes at no load prior to actual usage. This will warm the lubricant and provide better performance.

User interface
Status indicator LED
The LED bar at the top of the user interface illuminates in various colors to help the user identify the status of the tool. When the status indicator LED (12) is green, the tool and battery pack are operating normally and temperatures are ok. If the indicator changes to yellow, it means that the tool or battery temperatures have risen to a high level, and the use of the tool must stop to allow the tool to cool off. It is best to back off the load and give the tool chance to cool down. If the indicator turns red, the tool will shut off to protect itself and/or the battery pack from an overheating situation. The status indicator LED (12) will also blink blue when the speed (14) or mode (16) buttons are held for 7 seconds. This will reset the tool settings to factory default.

Joist Hanger

WARNING When using the joist hanger always be aware that the accessory is exposed. Always hang the tool in an area where you and bystanders cannot accidently make contact with the accessory.
WARNING To reduce the risk of injury, Do not use the joist hanger if it appears damaged or deformed. This could result in unstable hanging and the tool unexpectedly falling. To reduce the risk of injury, use care in selecting the location for hanging the tool.
The optional joist hanger accessory (4) will allow you to conveniently attach your tool to a joist, or other convenient support when not in use.
The joist hanger (4) can be attached to either side of the tool by securing it with a mounting screw. Always make sure you securely tighten the mounting screw before
use (Fig.1).

• Select a suitably sized and shaped object that will provide adequate hanging stability. An unstable hanging surface could result in the tool unexpectedly falling.
• Ensure that the tool is hung out of the way of walkways and working areas with bystanders. The tool could be bumped or a bystander could become entangled causing the tool to unexpectedly fall.

Maintenance

WARNING To avoid accidents, always disconnect the battery pack from the tool before servicing or cleaning.

Service

WARNING NO USER SERVICEABLE PARTS INSIDE. Preven – tive maintenance performed by un au theorized personnel may result in misplacing of internal wires and components which could cause serious hazards. We recommend that all tool services be performed by a Bosch Factory Service Center or Authorized Bosch Service Station.

Batteries
Be alert for battery packs that are nearing their end of life. If you notice decreased tool performance or significantly shorter running time between charges then it is time to replace the battery pack. Failure to do so can cause the tool to operate improperly or damage the charger.
Tool Lubrication
Your Bosch tool has been properly lubricated and is ready for use.
Motors
The motor in your tool has been engineered for many hours of dependable service. To maintain peak efficiency of the motor, we recommend it be examined every six months. Only a genuine Bosch replacement motor specially designed for your tool should be used.

Cleaning
CAUTION Certain cleaning agents and solvents damage plastic parts. Some of these are gasoline, carbon tetrachloride, chlorinated cleaning solvents, ammonia, and household detergents that contain ammonia. Ventilation openings and switch levers must be kept clean and free of foreign matter. Do not attempt to clean by inserting pointed objects through the opening.

Accessories

WARNING The use of any other attachments or access that is not specified in this manual may create a hazard. Store accessories in a dry and temperate environment to avoid corrosion and deterioration.

–  GCY42 Connectivity Module

LIMITED WARRANTY OF BOSCH PORTABLE AND BENCHTOP POWER TOOLS
Robert Bosch Tool Corporation (“Seller”) warrants to the original purchaser only, that all BOSCH portable and benchtop power tools will be free from defects in material or
workmanship for a period of one year from the date of purchase. SELLER’S SOLE OBLIGATION AND YOUR EXCLUSIVE REMEDY under this Limited Warranty and, to the extent permitted by law, any warranty or condition implied by law, shall be the repair or replacement of parts, without charge, which are defective in material or workmanship and which have not been misused, carelessly handled, or misrepaired by persons other than Seller or Authorized Service Station. To make a claim under this Limited Warranty, you must return the complete portable or benchtop power tool product, transportation prepaid, to any BOSCH Factory Service Center or Authorized Service Station. For Authorized BOSCH Power Tool Service Stations, please refer to your phone directory.
THIS LIMITED WARRANTY DOES NOT APPLY TO ACCESSORY ITEMS SUCH AS CIRCULAR SAW BLADES, DRILL BITS, ROUTER BITS, JIGSAW BLADES, SANDING BELTS, GRINDING WHEELS AND OTHER RELATED ITEMS.
ANY IMPLIED WARRANTIES SHALL BE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF PURCHASE. SOME STATES IN THE U.S. AND SOME CANADIAN PRO V INCHES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. IN NO EVENT SHALL THE SELLER BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING BUT NOT LIMITED TO LIABILITY FOR LOSS OF PROFITS) ARISING FROM THE SALE OR USE OF THIS PRODUCT. SOME STATES IN THE U.S. AND SOME CANADIAN PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.
THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE IN THE U.S., PROVINCE TO PROVINCE IN CANADA, AND FROM COUNTRY TO COUNTRY.
THIS LIMITED WARRANTY APPLIES ONLY TO PORTABLE AND BENCHTOP ELECTRIC TOOLS SOLD WITHIN THE UNITED STATES OF AMERICA, CANADA, AND THE COMMONWEALTH OF PUERTO RICO. FOR WARRANTY COVERAGE WITHIN OTHER COUNTRIES, CONTACT YOUR LOCAL BOSCH DEALER OR IMPORTER.

© Robert Bosch Tool Corporation 1800 W. Central Road Mt. Prospect, IL 60056-2230
Exportado por: Robert Bosch Tool Corporation Mt. Prospect, IL 60056-2230, E.U.A.
Importado en México por: Robert Bosch, S.A. de C.V., Calle Robert Bosch No. 405,
Zona Industrial, Toluca, Edo. de México, C.P. 50070, Tel. (722) 2792300
**2610067376 08-21 GDS18V-740C.qxp_GDS18V-770 8/18/21 7:00 AM
2610067376 08/21

**

References

• Roundcube Webmail :: Welcome to Roundcube Webmail
• Bosch Power Tools | Boschtools

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