BOSCH GDR 12V 2 Cordless Impact Driver Instruction Manual

IMPORTANT: Read Before Using
Operating/Safety Instructions
22612 22614
22618 23609
23612 23614
23618
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General Safety Rules

WARNING Read all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. The term “power tool”  in all of the warnings listed below refers to your mains- operated (corded) power tool or battery-operated (cordless) power tool. SAVE THESE INSTRUCTIONS
Work area safety
Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical safety
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 risk of electric shock.
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.
Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
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.
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.
Do not use AC only rated tools with a DC power supply. While the tool may appear to work, the electrical components of the AC rated tool are likely to fail and create a hazard to the operator.
If operating the power tool in damp locations is unavoidable a Ground Fault Circuit Interrupter (GFCI) must be used to supply the power to your tool. GFCI and personal protection devices like electrician’s rubber gloves and footwear will further enhance your personal safety.

Personal safety
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.
Use safety equipment. Always wear eye protection. Safety equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.
Avoid accidental starting. Ensure the switch is in the off-position before plugging in. Carrying power tools with your finger on the switch or plugging in power tools that have the switch on invites accidents.
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.
Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of these devices can reduce dustrelated hazards.
Keep handles dry, clean and free from oil and grease. Slippery hands cannot safely control the power tool.
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.
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.
Disconnect the plug from the power source and/or the battery pack 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.
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.
Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other conditionthat may affect the power tools operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
Use the power tool, accessories and tool bits etc., in accordance with these instructions and in the manner intended for the particular type of power tool, 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.
Use clamps or other practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against your body is unstable and may lead to loss of control.
Battery tool use and care
Ensure the switch is in the off position before inserting battery pack. Inserting the battery pack into power tools that have the switch on invites accidents.
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.
Use battery tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
When battery pack is not in use, keep it  way 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.
Under abusive conditions, liquid may be ejected from the battery, avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
Service
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.  Develop a periodic maintenance schedule for your tool. When cleaning a tool becareful 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.

Safety Rules for Cordless Impact Drivers

Hold tools by insulated gripping surfaces when performing an operation where thecutting tool may contact hidden wiring. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator.
Use clamps or other practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against your body is unstable and may lead to loss of control.
Do not drill, fasten or break 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.
Always wear safety goggles or eye protection when using this tool.
Wear ear protectors when using the tool for extended periods. Prolonged exposure to
high intensity noise can cause hearing loss.
Use thick cushioned gloves and limit the exposure time by taking frequent rest periods. Vibration caused by hammer-drill action may be harmful to your hands and arms.
Secure the material being fastened. Never hold it in your hand or across your legs.
Unstable support can cause loss of control and injury.
Avoid accidental starting. Be sure the forward/reverse switch is in the off position before inserting battery pack.
Carrying appliances with your finger on the switch or inserting the battery pack into an appliance with the switch on invites accidents.
Remove battery pack before changing accessories. Accidental starting may occur because battery appliances with a battery inserted are in the operative condition. Be prepared for a reaction torque when “seating” or removing a fastener. The screwdriver housing may tend to twist in the opposite direction of bit rotation when “seating” or removing a fastener depending on the torque setting of the tool. Do not use dull or damaged bits and accessories. When installing an accessory, insert the shank of the bit well within the chuck. Be sure the chuck has locked onto the bit correctly.
Do not run the tool while carrying it at your side. A spinning bit could become entangled with clothing and injury may result.
Place the tool onto the fastener only when the screwdriver is switched off. Rotating driver tools can slide off the fastener.
Do not use this tool as a drill. Tools equipped with shut-off clutches are not designed for drilling applications. The clutch can shut off automatically and without warning.
Be careful when driving long screws – there is a risk of sliding off the fastener head depending on type of socket or bit used. First test the run-down of a fastener and pay attention during the screw driving process to ensure you do not injure yourself if the tool bit or socket slides off of the fastener.

**WARNING** Some dust created by power sanding, sawing,  grinding, drilling and other construction activities contains 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, cement and other masonry products.
• 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 dust masks designed to filter out microscopic particles.

Battery/Charger

Before using battery charger, read all instructions and cautionary markings on (1) battery charger, (2) battery pack, and (3) product using battery.
Use only the charger which accompanied your product or direct replacement as listed in the catalog or this manual. Do not substitute any other charger. Use only Bosch approved chargers with your product. See Functional Description and Specifications.
Do not disassemble charger or operate the charger if it has received a sharp blow, been dropped or otherwise damaged in any way. Replace damaged cord or plugs immediately. Incorrect reassembly or damage may result in electric shock or fire.
Do not recharge battery in damp or wet environment. Do not expose charger to rain or snow. If battery case is cracked or otherwise damaged, do not insert into charger. Battery short or fire may result.
Charge only Bosch approved rechargeable batteries. See Functional Description and Specifications. Other types of batteries may burst causing personal injury and damage.
Charge battery pack in temperatures above +40 degrees F (4 degrees C) and below +105 degrees F (41 degrees C).

Store tool and battery pack in locations where temperatures will not exceed 120 degrees F (49 degrees C). This is important to prevent serious damage to the battery cells.
Battery leakage may occur under extreme usage or temperature conditions. Avoid contact with skin and eyes. The battery liquid is caustic and could cause chemical burns to tissues. If liquid comes in contact with skin, wash quickly with soap and water, then with lemon juice or vinegar. If the liquid contacts your eyes, flush them with water for a minimum of 10 minutes and seek medical attention.
Place charger on flat non-flammable surfaces and away from flammable materials when re-charging battery pack. The charger and battery pack heat during charging. Carpeting and other heat insulating surfaces block proper air circulation which may cause overheating of the charger and battery pack. If smoke or melting of the case are observed unplug the charger immediately and do not use the battery pack or charger.
Use of an attachment not recommended or sold by Bosch may result in a risk of fire, electric shock or injury to persons.

Battery Care

WARNING When batteries are not in tool or charger, keep them  away from metal objects. For example, to protect terminals from shorting DO NOT place batteries in a tool box or pocket with nails, screws, keys, etc. Fire or injury may result.

WARNING To prevent fire or injury when batteries are not in  tool or charger, always place protective cap onto end of battery pack. Protective cap, guards against terminal shorting.
DO NOT PUT BATTERIES INTO FIRE OR EXPOSE TO HIGH HEAT. They may explode.

Battery Disposal

WARNING Do not attempt to disassemble the battery or  remove any component projecting from the battery terminals. Fire or injury may result. Prior to disposal, protect exposed terminals with heavy insulating tape to prevent shorting.
NICKEL-CADMIUM BATTERIES
If equipped with a nickel-cadmium battery, the battery must be collected, recycled or disposed of in an environmentally sound manner.

The EPA certified RBRC Battery Recycling Seal on the nickel-cadmium (Ni-Cd) battery indicates Robert Bosch Tool Corporation is voluntarily participating in an industry program to collect and recycle these batteries at the end of their useful life, when taken out of service in the United States or Canada. The RBRC program provides a convenient alterative to placing used Ni-Cd batteries into the trash or the municipal waste stream, which may be illegal in your area.
Please call 1-800-8-BATTERY for information on Ni-Cd battery recycling and disposal bans/restrictions in your area, or return your batteries to a Skil/Bosch/Dremel Service Center for recycling. Robert Bosch Tool Corporation’s involvement in this program is
part of our commitment to preserving our environment and conserving our natural resources.”
NICKEL-METAL HYDRIDE BATTERIES
If equipped with a nickel-metal hydride battery, the battery can be disposed of in a municipal solid waste stream.

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, Ill,| Selector settings| Speed, torque or position settings. Higher number means greater speed
| 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
| Warning symbol| Alerts user to warning messages
| Ni-Cad RBRC seal| Designates Ni-Cad battery recycling program
| This symbol designates that this tool is listed by Underwriters Laboratories.
---|---
| This symbol designates that this tool is listed by the Canadian Standards Association.
| This symbol designates that this tool is listed to Canadian Standards by Underwriters Laboratories.
| This symbol designates that this tool is listed by Underwriters Laboratories, and listed to Canadian Standards by Underwriters
Laboratories.
| This symbol designates  thatthis tool complies to NOM Mexican Standards.

Functional Description and Specifications

** WARNINGDisconnect battery pack from tool or place the switch in the locked or off position before making any assembly, adjustments or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.
Cordless Impact Drivers and Impact Wrenches**

Maximum Capacities

BAT180 & BAT181
Charger| BC001-6 & BC016 BC130 & BC230| BC001-6 & BC016 BC130 & BC230| BC003, 4, 6 & BC016 BC130 & BC230
Voltage rating| 120 V 60 Hz| 120 V 60 Hz| 120 V 60 Hz

BC006 charger requires 12 V DC input
NOTE: ONLY USE CHARGERS LISTED ABOVE

Voltage rating
No load speed
Impact rate
Maximum torque| 9.6 V
no 0-2,800/min
0-3,200
950 in-lbs| 12 V —
no 0-2.800/min
0-3,200
1.050 in-lbs| 14.4 V
—| 18 V
no 0-2.800/min
0-3,200
1,150 in-lbs| no 0-2.800/min
0-3,200
1,350 in-lbs
Maximum Capacities
Chuck size| 1/4″ Hex-shank
with power groove| 1/4″ Hex-shank
with power groove| 1/4″ Hex-shank
with power groove| 1/4″ Hex-shank
with power groove
Screw sizes
Mild metal
Hard wood
Soft wood| #12 x 3″
1 /4″
3/4″
1-1/4″| #14 x 3″
3/8″
1-1/4″
1-1/2″| #16 x 3″
1/2″
1-1/2″
2″| #16 x 3″
3/4″
2″
3″
Battery pack| BAT048 & BAT100| BAT043-BAT046
& BAT120| BAT038-BAT041
& BAT140| BAT025. BAT026.
BAT180 & BAT181
Charger| BC001-6 & BC016
BC130 & BC230| BC001-6 & BC016
BC130 & BC230| BC001-6 & BC016
BC130 & BC230| BC003. 4. 6 & BC016
BC130 & BC230
Voltage rating| 120 Vrt 60 Hz| 120 V rt 60 Hz| 120 V’t 60 Hz| 120 Vr\J 60 Hz

BC006 charger requires 12 V DC input
NOTE: ONLY USE CHARGERS LISTED ABOVE

Operating Instructions

INTENDED USE
This tool is intended for the fastening and loosening of bolts, nuts and various threaded fasteners. This tool is not intended for use as a drill.
INSERTING AND REMOVING ACCESSORIES
(Models 23609, 23612, 23614 & 23618 only)
WARNING To avoid loss of control, ensure bit is locked in chuck  by pulling on bit after it has been inserted.
The chuck accepts only standard 1/4″ hexagonal shank accessories with power groove.
Your tool is equipped with a quick release chuck. To insert an accessory, simply pull locking sleeve forward, insert desired accessory into chuck and release locking sleeve (Fig. 2).
To remove an accessory, pull locking sleeve forward and simply remove it from the chuck.Do not use this tool as a drill. Tools equipped with shut-off clutches are not designed for drilling applications. The clutch can shut off automatically and without warning. Attempting to restart drilling after shut-off has been reached can cause the tool to twist out of your hand until the clutch again reaches shut-off. Do not attempt to insert quick-change type drill bits into this chuck.
INSERTING AND REMOVING ACCESSORIES
(Models 22612, 22614 & 22618 only) Attach only high quality accessories with the proper size square drive designed for use with impact wrenches.
Your impact wrench is equipped with a 1/2″ square drive.
To install a socket, simply push completely onto output drive. To remove, pull off output drive (Fig. 3).

VARIABLE SPEED CONTROLLED TRIGGER SWITCH
Your tool is equipped with a variable speed trigger switch. The tool speed can be controlled from the minimum to the 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).
FORWARD/REVERSING LEVER & TRIGGER LOCK
Your tool is equipped with a forward/ reversing lever and trigger lock located above the trigger (Fig. 1). This lever was designed  for changing rotation of the chuck, and forlocking the trigger in an “OFF” position to help prevent accidental starts and accidental
battery discharge. 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 trigger lock move lever to the center off position.
WARNING Do not change direction of rotation until the tool comes to a complete stop. Shifting during rotation of the chuck can cause damage to the tool.
BELT CLIP (Optional Accessory)
CAUTION When the tool is attached to the belt, position yourself to avoid entanglement with surrounding objects.  Unexpected entanglement could cause thetool to fall resulting in injury to the operator or bystanders.
The optional belt clip accessory will allow you to conveniently attach your tool to your belt. This feature will allow you to have both hands free when climbing a ladder or moving to another work area.
The belt clip 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.
To open clip, squeeze both release buttons and the clip will spring up automatically (Fig. 4). To use clip, turn tool upside down and attach to your belt.
To retract clip when not in use, push don on clip until it locks in the closed position. SWIVEL LIGHTING SYSTEM

Your tool is equipped with integrated light source in the knurled thumbwheel. The light will go ON as soon as you squeeze trigger switch, unless the thumbwheel is in the 0 position (Fig. 5).
The light beam can be adjusted to 3 positions in front of the chuck for the desired bit being used.
Position 1: The focus of the beam is approximately 20 mm.
Position 2: The focus of the beam is approximately 150 mm.
Position 3: The focus of the beam is approximately 500 mm.
Position 0: The beam is shut off permanently.

ATTACHING GEAR BOX COVER (Models 22618 & 23618 only)

(Models 22618 & 23618 only) 1. Remove rubber guard by pulling forward (Fig. 6).

2. Slide gear box cover into place (Fig. 7).
3. Replace rubber guard to secure gear box cover (Fig. 8).

INSERTING AND RELEASING BATTERY PACK

Release battery pack from tool by pressing on both sides of the battery release tabs and pull downward. Before inserting battery pack, remove protective cap from battery pack. To insert battery, align battery and slide battery pack into tool until it locks into  position. Do not force (Fig. 1).

MPORTANT CHARGING NOTES

1. The battery pack accepts only about 80% of its maximum capacity with its first few charge cycles. However, after the first few charge cycles, the battery will charge to full capacity.
2. The charger was designed to fast charge the battery only when the battery temperature is between 40˚F (4˚C) and 105˚F (41˚C).
3. A substantial drop in operating time per charge may mean that the battery pack is nearing the end of its life and should be replaced.
4. If you anticipate long periods (i.e. a month or more) of non-use of your tool, it is best to run your tool down until it is fully discharged before storing your battery pack. After a long period of storage, the capacity at first recharge will be lower. Normal  apacity will be restored in two or three charge/discharge cycles. Remember to unplug charger during storage period.
5. If battery does not charge properly:
   a. Check for voltage at outlet by plugging in some other electrical device.
   b. Check to see if outlet is connected to a light switch which turns power “off” when lights are turned off.
   c. Check battery pack terminals for dirt. Clean with cotton swab and alcohol if necessary.
   d. If you still do not get proper charging, take or send tool, battery pack and charger to your local Bosch Service Center. See “Tools, Electric” in the Yellow Pages for names and addresses.
   Note: Use of chargers or battery packs not sold by Bosch will void the warranty.

CHARGING BATTERY PACK (30 MINUTE SINGLE BAY-BC130)

CHARGER INDICATORS, SYMBOLS AND MEANING

If the indicator lights are “OFF”, the charger is not receiving power from power supply outlet.
If the green indicator light is “ON”, the charger is plugged in but the battery pack is not inserted, or the battery pack is fully charged and is being trickle charged.
If the green indicator light is “BLINKING”, the battery pack is being fast- charged. Fast- charging will automatically stop when the battery pack is fully charged.

If the red indicator light is “ON”, the battery pack is too hot or cold for fast-charging. The charger will switch to trickle charge, until a suitable temperature is reached, at which time the charger will switch automatically to fast-charging.
If the red indicator light is “BLINKING”, the battery pack cannot accept a charge or the contacts of the charger or battery pack are contaminated. Clean the contacts of the charger or battery pack only as directed in these operating instructions or those supplied
with your tool or battery pack.

Plug charger cord into your standard power outlet. Before inserting battery pack, remove protective cap, then insert battery pack into charger (Fig. 10).
The charger’s green indicator light will begin to “BLINK”. This indicates that the battery is receiving a fast charge. Fast-charging will automatically stop when the battery pack is fully charged.
When the indicator light stops “BLINKING” (and becomes a steady green light) fast charging is complete.
The battery pack may be used even though the light may still be blinking. The light may require more time to stop blinking depending on temperature. When you begin the charging process of the battery pack, a steady red lightcould also mean the battery pack is too hot or too cold.
The purpose of the green light is to indicate that the battery pack is fast- charging. It does not indicate the exact point of full charge. The light will stop blinking in less time if the battery pack was not completely discharged.
When charging several batteries in sequence, the charge time may slightly increase. When the battery pack is fully charged, unplug the charger (unless you’re charging another battery pack) and slip the battery pack back into the tool.
WARNINGTo prevent fire or injury when batteries are not in tool or charger, always place protective cap onto end of battery pack. CHARGING BATTERY PACK (30 MINUTE DUAL BAY-BC230)
CHARGER INDICATORS, SYMBOLS AND MEANING
If the indicator lights are “OFF”, the charger is not receiving power from power supply outlet.
If the red indicator light is “ON”, the battery pack is too hot or cold for fast-charging. The charger will switch to trickle charge, until a suitable temperature is reached, at which time the charger will switch automatically to fastcharging.
If the red indicator light is “BLINKING”, the battery pack cannot accept a charge or the contacts of the charger or battery pack are
contaminated. Clean the contacts of the charger or battery pack only as directed in these operating instructions or those supplied with your tool or battery pack.
If the green indicator light is “BLINKING”, the battery pack is being fast- charged. Fast- charging will automatically stop when the battery pack is fully charged.
If the green indicator light is “ON”, the charger is plugged in but the battery pack is not inserted, or the battery pack is fully charged and is being trickle charged.
Plug charger cord into your standard power outlet. Before inserting battery pack, remove protective cap, then insert battery pack into charger (Fig. 11).
The charger’s green indicator light will begin to “BLINK”. This indicates that the battery is receiving a fast charge. Fast-charging will automatically stop when the battery pack is fully charged.
When the indicator light stops “BLINKING” (and becomes a steady green light) fast charging is complete.
The battery pack may be used even though the light may still be blinking. The light may require more time to stop blinking depending on temperature. When you begin the charging process of the battery pack, a steady red light could also mean the battery pack is too hot or too cold.
The purpose of the green light is to indicate that the battery pack is fast- charging. It does not indicate the exact point of full charge. The light will stop blinking in less time if the battery pack was not completely discharged.
When charging several batteries in sequence, the charge time may slightly increase.
When the battery pack is fully charged, unplug the charger (unless you’re charging another battery pack) and slip the battery pack back into the tool.
WARNING To prevent fire or injury when batteries are not in tool or charger, always place protective cap onto end of battery pack.

CHARGER INDICATORS, SYMBOLS AND MEANING

If the indicator lights are “OFF”, the charger is not receiving power from power supply outlet.
If the green indicator light is “ON”, the charger is plugged in but the battery pack is not inserted, or the battery pack is fully charged and is being trickle charged, or the battery pack is too hot or cold for fast- charging. The charger will switch to trickle charge, until a suitable temperature is reached, at which time the charger will switch automatically to fastcharging.
If the green indicator light is “BLINKING”, the battery pack is being fast- charged. Fast-charging will automatically stop when the battery pack is fully charged.

CHARGING BATTERY PACK (1 HOUR CHARGER)

Plug charger cord into your standard power outlet. Before inserting battery pack, remove protective cap, then insert battery pack into charger (Fig. 12).
The charger’s green indicator will begin to “BLINK”. This indicates that the battery is receiving a fast charge. Fast-charging will automatically stop when the battery pack is fully charged.
When the indicator light stops “BLINKING” (and becomes a steady green light) fast charging is complete.
When you begin the charging process of the battery pack, a steady green light could also mean the battery pack is too hot or too cold.
The purpose of the light is to indicate that the battery pack is fast- charging. It does not indicate the exact point of full charge. The light will stop blinking in less time if the battery pack was not completely discharged.
When the battery pack is fully charged, unplug the charger (unless you’re charging another battery pack) and slip the battery pack back into the tool handle.
WARNING To prevent fire or injury when batteries are not in tool or charger, always place protective cap onto end of battery pack.
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. Too little pressure will keep the bit from cutting and cause excess friction by sliding over the surface. This can be damaging to both tool and 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 machine 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 then 0.5 Sec. Therefore, work with low RPM and switch the machine 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 case : The joining of metal to metal with a disk washer. The maximum torque is reached after a relative short impacting/
tightening action .
Medium case: The joining of metal to metal where spring ring washer, disk spring washer, stud bolts or bolts/nuts with conical seats are used.
Soft case: The joining of e.g. metal to wood or insulation material.
For middle or soft joining cases, the maximum tightening torque is less as for hard cases. Therefore, a longer impacting/ tightening action is necessary to arrive at the maximum tightening torque.

FASTENING WITH SCREWS
This procedure shown in (Fig. 13) will enable you to fasten materials together with your tool without 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 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.
RUNNING NUTS AND BOLTS
Variable speed control must be used with caution for driving nuts and bolts with socket set attachments. The technique is to start slowly, increasing speed as the nut or bolt runs down. Set the nut or bolt snugly by slowing the tool to a stop. If this procedure is not followed, the tool will have a tendency to torque or twist in your hands when the nut or bolt seats.

Maintenance

Service
WARNING NO USER SERVICEABLE PARTS INSIDE. Preventive maintenance performed by unauthorized personnel may result in misplacing of internal wires and components which could cause serious hazard. We recommend that all tool service be performed by a Bosch Factory Service Center or Authorized Bosch Service Station. SERVICEMEN: Disconnect tool and/or charger from power source before servicing.
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.
Long term battery storage should be in the discharged state. Battery packs last longer and re-charge better when they are stored discharged. Remember to fully recharge battery packs before using after  prolonged storage.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated and is ready for use.
CARBON BRUSHES
The brushes and commutator in your tool have been engineered for many hours of dependable service.
If your tool runs sporadically, loses power, makes unusual noises or runs at a reduced speed, check the brushes. To continue using the tool in this condition will permanently damage your tool.
Check both brushes. Usually the brushes will not wear out simultaneously. If one brush is worn out, replace both brushes.To check brushes: Disconnect battery pack from tool. Rotate brush cap at the rear part of housing counter- clockwise with a coin or screwdriver and remove cap (Fig. 14).Lift out the brushes; note which way they face, so that the brushes can be returned to their original position. New brushes can also be inserted turned 180º. Clean the brush holder openings with compressed air or a clean cloth and replace the brushes and brush covers.
After replacing brushes the tool should be run at no-load and run it freely at full speed for 2 minutes before using the tool. This will allow the brushes to “seat” properly and will give you more hours of life from each set of brushes.
Only genuine Bosch replacement brushes specially designed for your tool should be used.
D.C. 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
**   WARNING To avoid accidents, always disconnect the tool and/or charger from the power supply before cleaning. The tool may be cleaned most effectively with compressed dry air. Alwayswear safety goggles when cleaning tools with compressed air. Ventilation openings and switch levers must be kept clean and free of foreign matter. Do not attempt to clean by inserting pointed objects through opening.
CAUTION**   Certain cleaning agents and solvents damage plastic parts. Some of these are: gasoline, carbon tetrachloride, chlorinated cleaning  solvents, ammonia and household detergentsthat contain ammonia.

Accessories

WARNING If an extension cord is necessary, a cord with  adequate size conductors that is capable of carrying the current necessary for your tool must be used. This will prevent  excessive voltage drop, loss of power oroverheating. Grounded tools must use  wire extension cords that have 3-prong plugs and receptacles.
NOTE: The smaller the gauge number, the heavier the cord.

• Screwdriver bit
• Carrying case
  RECOMMENDED SIZES OF EXTENSION CORDS 120 VOLT ALTERNATING CURRENT TOOLS

120**
3-6| 18| 16| 16| 14| 0.75| 0.75| 2.| 3.
6-8| 18| 16| 14| 12| 15| 1.0| 3.| 4.0
8-10| 18| 16| 14| 12| 0/5| 1.0| 3.| 4.0
10-12| 16| 16| 14| 12| 1.0| 3.| 4.0|
–
12-16| 14| 12| –| –| –| –| –| –
| | | | |

(* = standard equipment)
(** = optional accessories)

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 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 DATE OF PURCHASE. SOME STATES IN THE U.S., SOME CANADIAN PROVINCES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
IN NO EVENT SHALL 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
2609140358 12/05
Printed in Malaysia
Downloaded fromwww.Manualslib.com manuals search engine
1-877-BOSCH99 (1-877-267-2499) www.boschtools.com
For English Version

Documents / Resources

| BOSCH GDR 12V 2 Cordless Impact Driver [pdf] Instruction Manual
GDR 12V 2 Cordless Impact Driver, GDR 12V 2, Cordless Impact Driver, Impact Driver, Driver
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