Bosch Power Tools 11255VSR, 11253VSR User Manual

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IMPORTANT: IMPORTANT : IMPORTANTE:
Read Before Using Lire avant usage Leer antes de usar
Operating/Safety Instructions Consignes de fonctionnement/sécurité
11253VSR 11255VSR
Call Toll Free for
Consumer Information
& Service Locations
1-877-BOSCH99 (1-877-267-2499) www.boschtools.com
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General Power Tool Safety Warnings
WARNING
!
Read all safety warnings and instructions. Failure to follow the warnings a
nd instructions may result in electric shock, fire and/or serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE
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.
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.
tools create sparks which may ignite the dust or fumes.
Keep children and bystanders away while operating a power tool.
cause you to lose control.
Distractions can
Power
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.
and matching outlets will reduce risk of electric shock.
Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and refrigerators.
of electric shock if your body is earthed or grounded.
Do not expose power tools to rain or wet conditions.
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.
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.
If operating the power tool in damp locations is unavoidable use a Ground Fault Circuit Interrupter (GFCI) protected supply.
a GFCI reduce the risk of electric shock.
GFCI and personal protection devices like electrician’s rubber gloves and footwear will further enhance your personal safety.
There is an increased risk
Water entering a power tool will
Unmodified plugs
Damaged or entangled
Use of
Do not use AC only rated tools with a DC power supply.
work, the electrical components of the AC rated tool are likely to fail and create a hazard to the operator.
While the tool may appear to
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.
while operating power tools may result in serious personal injury.
Use personal protective equipment. Always wear eye protection.
such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.
Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and / or battery pack, picking
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.
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.
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.
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.
related hazards.
up or carrying the tool.
Use of dust collection can reduce dust-
A moment of inattention
Protective equipment
Carrying
A wrench or a
This enables better
Loose
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Keep handles dry, clean and free from oil and grease.
control the power tool.
Slippery hands cannot safely
Power tool use and care
Do not force the power tool. Use the correct power tool for your application.
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.
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.
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.
dangerous in the hands of untrained users.
Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that 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
Any power tool that
The correct
Such
Power tools are
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, taking into account the working conditions and the work to be performed.
p
ower 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.
your body is unstable and may lead to loss of control.
Holding the work by hand or against
Use of the
Service
Have your power tool serviced by a qualified repair person using only identical replacement parts.
safety of the power tool is maintained.
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.
cleaning agents such as gasoline, carbon tetrachloride, ammonia, etc. may damage plastic parts.
Risk of injury to user, power cord must only be serviced by a Bosch Factory Service Center or Authorized Bosch Service Station.
This will ensure that the
Certain
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE
Rotary Hammer Safety Rules
Wear ear protectors. Exposure to noise can
cause hearing loss.
Use auxiliary handles supplied with the
Loss of control can cause personal injury.
tool.
Hold power tools by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord.
wire will make exposed metal parts of the tool "live" and shock the operator. Do not drill,
Contact with a "live"
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.
Use a metal detector to determine if there are gas or water pipes hidden in the work area or call the local utility company for assistance before beginning the operation.
Striking or cutting into a gas line will result in explosion. Water entering an electrical device may cause electrocution.
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Always use the side handle for maximum control over torque reaction or kick-back. Never attempt to operate this tool with one hand.
The slip clutch engages if you firmly control the tool during a torque reaction or kickback.
A
lways wear safety goggles or eye protection when using this tool. Use a dust mask or respirator for applications which generate dust.
protection will help deflect fragments of the material that may be thrown toward your face and eyes. Dust generated or gases released from the material you are cutting (i.e. asbestos insulated pipes, radon) may cause respiratory difficulties.
Use thick cushioned gloves and limit the exposure time by taking frequent rest periods.
action may be harmful to your hands and arms.
Position the cord clear of rotating bit. Do not wrap the cord around your arm or wrist.
spinning bit it could entrap you causing serious personal injury.
Position yourself to avoid being caught between the tool or side handle and walls or posts.
jammed in the work, the reaction torque of the tool could crush your hand or leg.
Do not strike the bit with a handheld hammer or sledge hammer when attempting to dislodge a bound or jammed bit.
Vibration caused by hammer-drill
If cord becomes entangled with the
Safety goggles or eye
Should the bit become bound or
Fragments
of metal from the bit could dislodge and strike you or bystanders.
Never place the tool down until the bit or accessory have come to a complete stop.
D
o not use dull or damaged bits and
accessories. Dull or damaged bits have a
greater tendency to bind in the workpiece.
When removing the bit from the tool avoid contact with skin and use proper protective gloves when grasping the bit or accessory.
Accessories may be hot after prolonged use.
Do not run the tool while carrying it at your side.
The spinning drill bit may become
entangled with clothing and injury may result.
!
WARNING
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 and cement and other masonry products, and
• Arsenic and chromium from chemically­treated 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.
Some dust created by power sanding, sawing, grinding,
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Symbols
I
MPORTANT: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.
Symbol Name Designation/Explanation
V Volts Voltage (potential)
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
kg Kilograms Weight
min Minutes Time
s Seconds Time
Diameter Size of drill bits, grinding wheels, etc.
n
.../min Revolutions or reciprocation per minute Revolutions, strokes, surface speed,
0 Off position Zero speed, zero torque...
1, 2, 3, ...
I, II, III, Higher number means greater speed
No load speed Rotational speed, at no load
0
orbits etc. per minute
Selector settings Speed, torque or position settings.
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
Li-ion RBRC seal Designates Li-ion 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 by the Intertek Testing
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 Underwriters Laboratories, to United States and Canadian Standards.
This symbol
designates that this tool complies to NOM Mexican Standards.
Services, to United States and Canadian Standards.
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Functional Description and Specifications
WARNING
!
Disconnect the plug from the power source before making any assembly, adjustments or changing accessories.
reduce the risk of starting the tool accidentally.
Rotary Hammer
RELEASE BUTTON
SELECTOR DIAL
DEPTH GAUGE
RELEASE BUTTON
LOCKING
SLEEVE
DUST
SHIELD
DEPTH GAUGE
RELEASE BUTTON
SELECTOR DIAL
DEPTH GAUGE
RELEASE BUTTON
SELECTOR DIAL
AUXILIARY HANDLE
HAND GRIP
FIG. 1
Such preventive safety measures
VENTILATION
O
PENINGS
REVERSING
SWITCH
LEVER
VARIABLE SPEED TRIGGER SWITCH
REVERSING
SWITCH
LEVER
VARIABLE SPEED TRIGGER SWITCH
VENTILATION
OPENINGS
LOCKING
SLEEVE
DUST
SHIELD
AUXILIARY HANDLE
DEPTH
GAUGE
HAND GRIP
Model number 11253VSR 11255VSR Shank style
SDS-plus
SELECTOR DIAL
®
(Model 11255VSR only)
SDS-plus
Maximum Capacities:
Carbide tipped bits 1" 1" Thin wall core bits 2-5/8" 2-5/8"
NOTE: For tool specifications refer to the nameplate on your tool.
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HAMMERHOOK
®
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Operating Instructions
VARIABLE SPEED CONTROLLED
TRIGGER SWITCH
Your tool is equipped with a variable speed trigger switch. The tool speed can be c
ontrolled 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. This accurate speed control enables you to drill without center punching. It also permits you to use as a power screwdriver. Bits are available for driving screws as well as running bolts and nuts.
REVERSING SWITCH LEVER
This tool is equipped with a rotating brush reversing system. This results in longer brush life while maximizing power in both forward and reverse directions. The reverse switch can be operated from either the right or left side of the tool.
FOR FORWARD ROTATION: slide switch to arrow marked forward (Fig. 1).
AUXILIARY HANDLE
The tool must be supported with the auxiliary handle, which can be swiveled 360˚. To reposition and/or swivel the handle, loosen the hand grip, move the handle to the desired position along the barrel and securely retighten the hand grip (Fig. 2).
FIG. 2
FOR REVERSE ROTATION: slide the slide switch to arrow marked reverse. NOTE: Tool will not operate in middle position.
S
LIP CLUTCH
The tool has an internal preset clutch. The clutch is set such that sufficient force is transmitted to the bit for most drilling conditions but it will slip when bit binds in the hole or the tool is overloaded. Be aware that due to required clutch setting, you may experience a torque reaction an instant before the clutch slips. This torque reaction will twist the body of the rotary hammer in the opposite direction as the bit rotates, i.e., counterclockwise. As clutch is slipping, the bit will most likely stop rotating. When the binding force on the bit is removed the clutch automatically resets. If you experience bit binding and clutch begins to slip, immediately turn the tool "OFF" and correct the condition leading to the bit binding.
DEPTH GAUGE
Your drilling depth can be pre-set and/or repeated by using the depth gauge.
Setting depth: After the auxiliary handle is installed, make sure the accessory has been fully inserted into the tool holder before setting the depth gauge (Fig. 3).
To adjust depth, push the depth gauge release button, slide the depth gauge to desired depth and release pressure on button to lock the depth gauge in place.
HAND GRIP
DEPTH
GAUGE
FIG. 3
DEPTH
GAUGE
RELEASE
BUTTON
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The selector dial allows the tool to be set for various drilling/hammer drilling applications. Depress release button and turn selector dial right or left depending on the below applications.
When using demolition or chipping bits such as bull points, chisels, spades, gouges, etc. the “Hammer Only” mode must be selected.
CAUTION
!
complete stop.
chuck can cause damage to the tool.
Drilling only: Drilling/hammering: Vario-lock Hammering only:
used for drilling used for drilling allows for 36 desired used for light
wood, steel, etc. concrete positions of “hammer” chipping work
SELECTOR DIAL
Do not operate the selection dial until the tool come to a
Shifting during rotation of the
SELECTOR DIAL - “VARIO-LOCK”
Adjusting the Vario-Lock: The vario-lock can be set in any one of thirty-six (10˚ increments) positions. Choose a position which is best suited for your operation.
Depress release button and turn the selector dial, to the “vario-lock” setting. Next, rotate the locking sleeve, along with the accessory, to the desired position. Then turn the selector dial to the “hammer only” setting and slightly turn the locking sleeve to have it automatically lock into a definite position.
FIG. 4
INSTALLING ACCESSORIES
WARNING
!
any assembly, adjustments or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.
The 11253VSR and 11255VSR Rotary Hammers utilize “SDS-plus” drill bits. The “SDS-plus” system efficiently transfers drilling torque and maximizes the energy delivered per hammer blow.
Clean the insert shank end of the accessory to remove any debris, then lightly grease with a light oil or lubricant.
Insert accessory into the tool holder through the dust shield, while twisting and pushing
Disconnect the plug from the power source before making
inward until it locks automatically into place. Pull outward on the accessory to be certain it is locked into the tool holder (Fig. 5).
FIG. 5
DUST SHIELD
REMOVING ACCESSORIES
WARNING
!
skin and use proper protective gloves when grasping the bit or accessory. Accessories may be hot after prolonged use.
To remove an accessory, pull the locking sleeve backwards (towards the rear of tool), while pulling the accessory outward. All accessories should be wiped clean after removing (Fig. 6).
When removing the bit from the tool avoid contact with
FIG. 6
LOCKING
SLEEVE
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HAMMERHOOK™(Model 11255VSR only)
Your tool is equipped with a convenient hook for hanging your tool. To use, simply open hook until it snaps into the open position (Fig. 7).
When using the HAMMERHOOK™ always b
e aware that the accessory is exposed.
Always hang the tool in an area where yourself and bystandards can not accidently make contact with the accessory.
WARNING
!
To reduce the risk of injury, use care in selecting the
location for hanging the tool.
• Select a suitably sized and shaped object that will provide adequate hanging stability. An unstable hanging surface could result in the tool unexpectedly falling.
• Insure 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 in the power supply cord causing the tool to unexpectedly fall.
TOOL TIPS
Following a few simple tips will reduce wear on the tool and the chance of injury to the operator.
NOTE: The high efficiency available from the rotary hammers can only be obtained if sharp and undamaged accessories are used. The “cost” to maintain sharp and undamaged accessories is more than offset by the “time saved” in operating the tool with sharp accessories.
All hammers require a short period of time to warm up. Depending on the room temperature, this time may vary from approximately 15 seconds (90˚F) to 2 minutes (32˚F). A new hammer requires a break-in period before full performance is realized. This period may require up to 5 hours of operation.
Carbide tipped bits: Used for drilling stone, concrete, cement, brick, cinder block and other unusually hard non-metals. The Rotary Hammer is designed for “SDS” Carbide Tipped Bits up to 3/4 inch diameter.
3 JAW CHUCK
The 3 Jaw Chuck with SDS Shank Adaptor accessory can convert your tool for use with straight shank bits.
WARNING
!
To reduce the risk of injury,
Do not use the hanging hook if it appears damaged or deformed. This could result in unstable hanging and the tool unexpectedly falling.
To Close
To Open
HAMMERHOOK
When not in use, always close hook until it snaps into the closed position.
You will extend the life of your bits and do neater work if you always put the bit in contact with the workpiece BEFORE pulling the trigger. During operation, hold the drill firmly and exert moderate, steady pressure. Too much pressure at low speed will stall the hammer. Too little pressure will keep the bit from cutting and cause excess friction by sliding over the surface. This can be damaging to the drill and bit.
Shanks of all drill bits should be wiped clean prior to using and immediately after removing.
Recall these instructions for safe operation:
1. Some materials require slow drilling speeds; whereas, others require higher speed to produce the best results.
2. All work must be supported or secured before drilling and steady, even pressure applied in line with the drill bit.
As the drill bit cuts through the opposite
3. side, reduce the pressure and continue running the drill as the bit is withdrawn.
Materials such as glass, porcelain, ceramics, tiles, plastics, etc., should be drilled at low speeds with specially designed drill bits and lubricants.
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FIG. 7
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DRILLING WOOD OR PLASTIC
If backing block is not used, ease up on the pressure just before the bit breaks through the wood to avoid splintering. Complete the hole from the opposite side immediately after the point breaks through. If bit binds, reverse the drilling operation to help remove the bit f
rom the work.
There are two rules for drilling hard materials. First, the harder the material, the greater the pressure you need to apply to the tool. Second, the harder the material, the slower the speed. Here are a couple of tips for drilling in metal. Make a center punch in the material for easier starting. Lubricate the tip of the bit occasionally with cutting oil except when drilling
DRILLING METAL
Maintenance
Service
WARNING
!
orized personnel may result in misplacing of internal wires and components which could cause serious hazard.
recommend that all tool service be performed by a Bosch Factory Service Center or Autho­rized Bosch Service Station.
Your Bosch tool has been properly lubricated and is ready to use. It is recommended that tools with gears be regreased with a special gear lubricant at every brush change.
The brushes and commutator in your tool have been engineered for many hours of dependable service. To maintain peak efficiency of the motor, we recommend every two to six months the brushes be examined. Only genuine Bosch replacement brushes specially designed for your tool should be used.
After about 300-400 hours of operation, or at every second brush change, the bearings
Preventive maintenance performed by unauth-
We
TOOL LUBRICATION
CARBON BRUSHES
BEARINGS
soft metals such as aluminum, copper or cast iron. If the hole to be drilled is fairly large, drill a smaller hole first, then enlarge to the required size, it’s often faster in the long run. Maintain enough pressure to assure that the bit does not just spin in the hole. This will dull the bit and greatly shorten its life.
Use carbide-tipped masonry bit for cinder block, mortar, common brick, soft stone and other materials. The amount of pressure to be used is dependent upon the type of material being drilled. Soft materials require less pressure while the hard materials need more pressure to prevent the drill bit from spinning.
should be replaced at Bosch Factory Service Center or Authorized Bosch Service Station. Bearings which become noisy (due to heavy load or very abrasive material cutting) should be replaced at once to avoid overheating or motor failure.
DRILLING MASONRY
Cleaning
WARNING
!
the power supply before cleaning or performing any maintenance.
be cleaned most effectively with compressed dry air.
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 openings.
plastic parts.
carbon tetrachloride, chlorinated cleaning solvents, ammonia and household detergents that contain ammonia.
Always wear safety goggles when
CAUTION
!
To avoid accidents always
disconnect the tool from
The tool may
Certain cleaning agents
and solvents damage
Some of these are: gasoline,
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