Bosch 13614, 13618 User Manual
IMPORTANT: IMPORTANT : IMPORTANTE:
Read Before Using Lire avant usage Leer antes de usar
Operating/Safety Instructions
Consignes de fonctionnement/sécurité
Instrucciones de funcionamiento
y seguridad
13614
13618
13624
Consumer Information
Renseignement des consommateurs
Información para el consumidor
Toll Free Number:
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General Safety Rules -
For All Battery Operated Tools
WARNING
!
Read and understand all instructions. Failure to follow all instructions
listed below, may result in electric shock, fire and/or serious personal
injury.
SAVE THESE INSTRUCTIONS
Work Area
Keep your work area clean and well lit.
Cluttered benches and 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 by-standers, children, and visitors
away while operating a power tool.
Distractions can cause you to lose control.
. Power
Electrical Safety
A battery operated tool with integral
batteries or a separate battery pack must
be recharged only with the specified
charger for the battery.
be suitable for one type of battery may create
a risk of fire when used with another battery.
Use battery operated tool only with
specifically designated battery pack.
of any other batteries may create a risk of fire.
A charger that may
Use
Personal Safety
Stay alert, watch what you are doing, and
use common sense when operating a
power tool. Do not use tool while tired or
under the influence of drugs, alcohol, or
medication.
operating power tools may result in serious
personal injury.
Dress properly. Do not wear loose
clothing or jewelry. Contain long hair.
Keep your hair, clothing, and gloves away
from moving parts.
or long hair can be caught in moving parts.
Avoid accidental starting. Be sure switch
is in the locked or off position before
inserting battery pack.
your finger on the switch or inserting the
battery pack into a tool with the switch on
invites accidents.
A moment of inattention while
Loose clothes, jewelry,
Carrying tools with
Remove adjusting keys or wrenches
before turning the tool on.
key that is left attached to a rotating part of
the tool may result in personal injury.
Do not overreach. Keep proper footing
and balance at all times.
balance enable better control of the tool in
unexpected situations.
Use safety equipment. Always wear eye
protection.
shoes, hard hat, or hearing protection must
be used for appropriate conditions.
Dust mask, non-skid safety
A wrench or a
Proper footing and
Tool Use and Care
Use clamps or other practical way to
secure and support the workpiece to a
stable platform.
against your body is unstable and may lead to
loss of control.
Do not force tool. Use the correct tool for
your application.
job better and safer at the rate for which it is
designed.
Do not use tool if switch does not turn it
on or off.
with the switch is dangerous and must be
repaired.
Disconnect battery pack from tool or place
the switch in the locked or off position
before making any adjustments, changing
accessories, or storing the tool.
preventive safety measures reduce the risk of
starting the tool accidentally.
Store idle tools out of reach of children
and other untrained persons.
dangerous in the hands of untrained users.
When 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 sparks, burns, or a fire.
Holding the work by hand or
The correct tool will do the
A tool that cannot be controlled
Such
Tools are
-2-
Maintain tools with care. Keep cutting
tools sharp and clean.
tools with sharp cutting edge are less likely to
bind and are easier to control.
Check for misalignment or binding of
moving parts, breakage of parts, and any
other condition that may affect the tool's
operation. If damaged, have the tool
serviced before using.
caused by poorly maintained tools.
Use only accessories that are
recommended by the manufacturer for
your model.
Accessories that may be
Properly maintained
Many accidents are
Safety Rules for Cordless Hammer Drills
suitable for one tool may create a risk of
injury when used on another tool.
Service
Tool service must be performed only by
qualified repair personnel.
maintenance performed by unqualified
personnel may result in a risk of injury.
When servicing a tool, use only identical
replacement parts. Follow instructions in
the Maintenance section of this manual.
Use of unauthorized parts or failure to follow
Maintenance Instructions may create a risk of
shock or injury.
Service or
Hold tool by insulated gripping surfaces
when performing an operation where the
cutting tools may contact hidden wiring.
Contact with a “live” wire will make exposed
metal parts of the tool “live” and shock the
operator.
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.
Wear ear protectors when using the tool for
extended periods.
high intensity noise can cause hearing loss.
Always use auxiliary handle for maximum
control over torque reaction or kick-back.
High torque 3/8" and larger chuck capacity
drills are equipped with auxiliary handles.
Always wear safety goggles or eye
protection when using this tool. Use a
dust mask or respirator for applications
which generate dust.
Use thick cushioned gloves and limit the
exposure time by taking frequent rest
periods.
action may be harmful to your hands and
arms.
Secure the material being drilled. Never
hold it in your hand or across legs.
Do not drill, fasten or break into
Prolonged exposure to
Vibration caused by hammer-drill
Unstable support can cause the drill bit to
bind causing loss of control and injury.
Disconnect 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.
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.
If the bit becomes bound in the
workpiece, release the trigger
immediately, reverse the direction of
rotation and slowly squeeze the trigger to
back out the bit.
reaction torque. The drill body will tend to
twist in the opposite direction as the drill bit is
rotating.
Do not grasp the tool or place your hands
too close to the spinning chuck or drill
bit.
When installing a drill bit, insert the shank
of the bit well within the jaws of the
chuck.
enough, the grip of the jaws over the bit is
reduced and the loss of control is increased.
Should the bit become bound or
Be ready for a strong
Your hand may be lacerated.
If the bit is not inserted deep
.
-3-
Do not use dull or damaged bits and
accessories.
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.
prolonged use.
Check to see that keys and adjusting
wrenches are removed from the drill
before switching the tool "ON".
wrenches can fly away at high velocity
striking you or a bystander.
Do not run the tool while carrying it at
your side.
entangled with clothing and injury may result.
Dull or damaged bits have a
Accessories may be hot after
Keys or
A spinning drill bit could become
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.
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.
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.
Charge only Bosch approved rechargeable
batteries.
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).
Incorrect reassembly or
Battery short or fire may result.
See Functional Description and
Do not
WARNING
!
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 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.
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.
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.
Some dust created by
power sanding, sawing,
The battery
-4-
Battery Care
WARNING
!
away from metal objects.
protect terminals from shorting
place batteries in a tool box or pocket with
nails, screws, keys, etc. Fire or injury may
result.
When batteries are not in
tool or charger, keep them
For example, to
DO NOT
Battery Disposal
WARNING
!
remove any component projecting from
the battery terminals.
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.
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
Do not attempt to disassemble the battery or
Fire or injury may
“The EPA certified RBRC
Battery Recycling Seal on the
nickel-cadmium (Ni-Cd)
battery indicates Robert
Bosch Tool Corporation is
voluntarily participating in an
WARNING
!
tool or charger, always place protective
cap onto end of battery pack.
cap, guards against terminal shorting.
DO NOT PUT BATTERIES INTO FIRE OR
EXPOSE TO HIGH HEAT.
explode.
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.
To prevent fire or injury
when batteries are not in
Protective
They may
-5-
Symbols
A
0
A
A
0
A
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.
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
0
.../min Revolutions or reciprocation per minute Revolutions, strokes, surface speed,
0 Off position Zero speed, zero torque...
1, 2, 3, ... Selector settings Speed, torque or position settings.
I, II, III, Higher number means greater speed
No load speed Rotational speed, at no load
orbits etc. per minute
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.
-6-
This symbol
designates
that
this tool
complies
to NOM
Mexican
Standards.
Functional Description and Specifications
WARNING
!
accessories
accidentally.
FIG. 1
BIT AND BIT
STORAGE
Disconnect battery pack from tool or place the switch in the locked or
off position before making any assembly, adjustments or changing
. Such preventive safety measures reduce the risk of starting the tool
Cordless Hammer Drills
VENTILATION OPENINGS
BRUSH COVER
SCREW
BRUSH
COVER
VENTILATION
OPENINGS
FORWARD/REVERSING
LEVER & TRIGGER LOCK
RUBBERIZED GRIP
TETHER HOOK
(Optional Accessory)
BIT AND BIT
STORAGE
BATTERY
RELEASE TABS
ADJUSTABLE
CLUTCH
KEYLESS
CHUCK
GEAR SHIFTER
VARIABLE SPEED
TRIGGER SWITCH
BIT STORAGE
ADAPTER
(Model 13614 only)
BATTERY PACK
Tool
Model number 13614 13618 13624
Voltage rating 14.4 V 18 V 24V
No load speed 1 n
No load speed 2 n
Charge time 1 hr. 1 hr. 1 hr.
0-450/min n0 0-450/min n0 0-450/min
0
0-1500/min n0 0-1500/min n0 0-1500/min
0
Maximum Capacities
Chuck size 1/2" 1/2" 1/2"
Screw sizes #16 x 3" #14 x 4" #16 x 4"
Mild metal 1/2" 5/8" 3/4"
Hard wood 1-1/4" 1-5/8" 1-3/4"
Soft wood
1-3/4" 2" 2-1/4"
Charger BC001-6 & BC016 BC003, 4, 6, & BC016 BC004, 6, & BC016
Battery pack BAT038 - BAT041 BAT025 & BAT026 BAT030 & BAT031
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
-7-
Operating Instructions
VARIABLE SPEED CONTROLLED
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. 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.
FORWARD/REVERSING LEVER &
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 for
locking 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.
CAUTION
!
comes to a complete stop.
rotation of the chuck can cause damage to
the tool.
Your tool is equipped with two separate gear
ranges, low gear and high gear. Low gear
provides high-torque and slower drilling
speeds for heavy duty work or for driving
screws. High gear provides faster speeds for
drilling lighter work. To change speeds slide
switch, to the high or low position.
TRIGGER SWITCH
TRIGGER LOCK
Do not change direction of
rotation until the tool
Shifting during
GEAR SHIFTING
ATTENTION: If your tool appears to be
running, but the chuck will not turn, check to
make sure the gear shifting switch is pushed
fully into desired setting.
ADJUSTABLE CLUTCH
Your tool features 15 clutch settings. Output
torque will increase as the clutch ring, is
rotated from 1 to 15. The drill “ ” position
will lock up the clutch to permit drilling and
driving heavyduty work, and also enables bits
to be changed quickly and easily in the
keyless chuck.
The hammer drill position locks up the
clutch for hammer drilling.
The clutch ring allows the tool to be set for
various drilling /hammer drilling applications.
Rotate the clutch ring to the drill or hammer
drill symbol depending on the below
applications).
Drilling mode: For drilling in woods,
metals, plastics or other non concrete
materials.
Hammer drilling mode: For drilling in
brick, block, mortar, concrete, asphalt,
tile or other similar hard materials.
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.
BIT STORAGE ADAPTER
Your tool is equipped with a bit storage
adapter that will allow you to store a longer bit
if desired. To install bit adapter, remove bit
from standard storage area, then snap
adapter into it’s place. To use, hold bit
adapter in place when removing bit (Fig. 1).
Move reverse switch lever to the center “OFF”
position. Remove battery pack and rotate the
clutch ring to the drill bit symbol
“ ”. Rotate the chuck sleeve counterclockwise viewing from chuck end, and open
chuck to approximate drill bit diameter. Insert
a clean bit up to the drill bit flutes for small
bits, or as far as it will go for large bits. Close
chuck by rotating the chuck sleeve clockwise
and securely tighten by hand.
WARNING
!
INSERTING BITS
Do not use the power of
the drill while grasping
chuck to loosen or tighten bit.
or hand injury is possible if attempting to
grasp the spinning chuck.
Friction burn
FIG. 2
CHUCK
SLEEVE
-8-
Rotate the clutch ring to the drill bit
REMOVING CHUCK
symbol “ ”. Open the chuck all the way,
remove left-hand thread screw inside chuck
by turning it clockwise (Fig. 2).
Insert the short arm of a 1/2" hex key wrench
and close jaws on flats of wrench (Fig. 3).
Strike long arm of wrench sharply
counterclockwise, remove wrench and
unthread chuck from spindle.
INSTALLING CHUCK
Always keep the spindle threads, the threads
RELEASING AND INSERTING BATTERY PACK
Release battery pack from tool by pressing
on both sides of the battery release tabs and
pull downwards. Before inserting battery
pack, remove protective cap from battery
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. 4).
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.
of the chuck and securing screw free of
debris. To install a chuck, reverse “removing
the chuck” procedure.
FIG. 3
pack. To insert battery, align battery and slide
battery pack into tool until it locks into
position. Do not force.
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.
To prevent fire or injury when batteries are
not in tool or charger, always place protective
cap onto end of battery pack.
FIG. 4
INDICATOR
LIGHT
CHARGER
-9-
BATTERY
PACK
PROTECTIVE
CAP
IMPORTANT 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 capacity will be restored
in two or three charge/discharge cycles.
Operating Tips
TETHER HOOK
The purpose of the tether hook is to secure
the tool when working on ladders,
scaffolding, or elevated heights to prevent
the tool from hitting the ground if accidentally
dropped. For best results, it is
recommended to use 1/4" braided nylon rope
or similar material.
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.
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.
DRILLING WITH VARIABLE SPEED
The trigger controlled variable speed feature
will eliminate the need for center punches in
hard materials. The variable speed trigger
allows you to slowly increase RPM. By using
a slow starting speed, you are able to keep
the bit from “wandering”. You can increase
the speed as the bit “bites” into the work by
squeezing the trigger.
DRIVING WITH VARIABLE SPEED
Variable speed drills will double as a power
screwdriver by using a screwdriver bit in the
drill mode. 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.
This procedure shown in (Fig. 5) will enable
FASTENING WITH SCREWS
you to fasten materials together with your
Cordless Drill/Screwdriver 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.
-10-
FASTENING
WITH SCREWS
1. Drill 2/3 diameter and
2/3 of screw length for
soft materials, full
length for hard
materials.
Screw
Apply a slight
even pressure
when driving
screws.
2. Drill same
diameter as
screw shank.
3. Countersink
same diameter
as screw head.
Adjustable
Screw
Drill
FIG. 5
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.
The adjustable screw drill accessory will do
all of these operations quickly and easily.
Screw drills are available for screw sizes No.
6, 8, 10 and 12.
DRILL BITS
Always inspect drill bits for excessive wear.
Use only bits that are sharp and in good
condition.
TWIST BITS: Available with straight and
reduced shanks for wood and light duty metal
drilling. High speed bits cut faster and last
longer on hard materials.
CARBIDE TIPPED BITS: Used for drilling
stone, concrete, plaster, cement and other
unusually hard nonmetals. Use continuous
heavy feed pressure when employing carbide
tip bits.
DRILLING WOOD
Be certain workpiece is clamped or anchored
firmly. Always apply pressure in a straight line
with the drill bit. Maintain enough pressure to
keep the drill “biting”.
When drilling holes in wood, twist bits can be
used. Twist bits may overheat unless pulled out
frequently to clear chips from flutes.
Use a “back-up” block of wood for work that is
likely to splinter, such as thin materials.
You will drill a cleaner hole if you ease up on
the pressure just before the bit breaks through
the wood. Then complete the hole from the
back side.
DRILLING METAL
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.
Lubricate the tip of the bit occasionally with
cutting oil except when drilling 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.
DRILLING MASONRY
Soft materials such as brick are relatively easy
to drill. Concrete however, will require much
more pressure to keep the bit from spinning. Be
sure to use carbide tip bits for all masonry work.
WARNING
!
Before using an accessory,
be certain that its maximum
safe operating speed is not exceeded by the
nameplate speed of the tool. Do not exceed
the recommended wheel diameter.
SANDING AND POLISHING
Fine sanding and polishing require “touch”.
Select the most efficient speed.
When using polishing bonnets, always be sure
the excess string that secures the bonnet is
tucked well within the bonnet during operation.
-11-
Work with brushes requires high speeds.
15°
WIRE BRUSHES
BRUSHING PRESSURE
1. Remember, the tips of a wire brush do the
work. Operate the brush with the lightest
pressure so only the tips of the wire come in
contact with the work.
CORRECT: Wire tips doing the work.
INCORRECT: Excessive pressure can cause wire breakage.
Maintenance
2. If heavier pressures are used, the wires
will be overstressed, resulting in a wiping
action; and if this is continued, the life of the
brush will be shortened due to wire fatigue.
3. Apply the brush to the work in such a way
that as much of the brush face as possible is
in full contact with the work. Applying the side
or edge of the brush to the work will result in
wire breakage and shortened brush life.
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
drill 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.
Service
WARNING
!
the replaceable carbon brushes.
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.
Be alert for battery packs that are nearing
their end of life.
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.
longer and re-charge better when they are
stored discharged. Remember to fully recharge battery packs before using after
prolonged storage.
NO USER SERVICEABLE
PARTS INSIDE, except for
BATTERIES
If you notice decreased tool
Battery packs last
Your Bosch tool has been properly lubricated
and is ready for use.
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.
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.
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12
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TOOL LUBRICATION
D.C. MOTORS
CARBON BRUSHES
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