Bosch 36618, 36614 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

Instrucciones de funcionamiento y seguridad

36614 36618

Call Toll Free for

Consumer Information

& Service Locations

1-877-BOSCH99 (1-877-267-2499) www.boschtools.com

For English Version

See page 2 Voir page 17 Ver la página 32

Pour obtenir des informations

et les adresses de nos centres

de service après-vente,

appelez ce numéro gratuit

Version française

Llame gratis para

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para el consumidor y

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Versión en español

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General Power Tool Safety Warnings

WARNING

Read all safety warnings and instructions. Failure to follow the warnings and 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

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 up or carrying the tool.

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.

Use of dust collection can reduce dust-

related hazards.

A moment of inattention

Protective equipment

A wrench or a

This enables better

Carrying

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.

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.

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 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.

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

Any power tool that

Power tools are

The

Such

Use of the

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.

battery pack into power tools that have the switch on invites accidents.

Recharge only with the charger specified by the manufacturer.

suitable for one type of battery pack may create a risk of fire when used with another battery pack.

Use power tools only with specifically designated battery packs.

battery packs may create a risk of injury and fire.

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 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.

battery may cause irritation or burns.

Liquid ejected from the

Inserting the

A charger that is

Use of any other

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.

This will ensure that the

Certain

SAVE ALL WARNINGS AND INSTRUCTIONS

FOR FUTURE REFERENCE

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Safety Rules for Cordless Drill/Drivers

Hold power tools by insulated gripping surfaces when performing an operation where the cutting tools may contact hidden wiring.

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.

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.

unavoidable, disconnect all fuses or circuit breakers feeding this worksite.

Always hold the tool with both hands. If the bit jams two hands will give you maximum control over torque reaction or kickback.

Always wear safety goggles or eye protection when using this tool. Use a dust mask or respirator for applications which generate dust.

Secure the material being drilled. Never hold it in your hand or across legs.

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.

Contact with a “live” wire will

Holding the work by hand

If this situation is

Should the bit become bound or

Be ready for a strong

Do not grasp the tool or place your hands too close to the spinning chuck or drill bit.

Your hand may be lacerated.

When installing a bit, insert the shank of the bit well within the chuck.

not inserted deep enough, the grip of the chuck over the bit is reduced and the loss of control is increased. After bit insertion, pull on bit to ensure it is locked.

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 drill while carrying it at your side.

entangled with clothing and injury may result.

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.

Dull or damaged bits have a

Accessories may be hot after

A spinning drill bit could become

Some dust created by power sanding, sawing,

If the bit is

Keys or

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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.

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 +32 degrees F (0 degrees C) and below

Incorrect reassembly or damage

Battery short or fire may result.

See Functional Description and

Do not

+113 degrees F (45 degrees C). Store tool and battery pack in locations where temperatures will not exceed 120 degrees F (49 degrees C).

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. 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 will result in a risk of fire, electric shock or injury to persons.

This is important to prevent

The battery

Battery Care

WARNING

away from metal objects.

protect terminals from shorting place batteries in a tool box or pocket with

When batteries are not in tool or charger, keep them

For example, to

DO NOT

nails, screws, keys, etc. Fire or injury may result.

DO NOT PUT BATTERIES INTO FIRE OR EXPOSE TO HIGH HEAT.

explode.

They may

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Battery Disposal

WARNING

remove any component projecting from the battery terminals.

rior to disposal, protect exposed terminals

ith heavy insulating tape to prevent shorting.

If equipped with a lithium-ion battery, the battery must be collected, recycled or disposed of in an environmentally sound manner.

Do not attempt to disassemble the battery or

Fire or injury may result.

LITHIUM-ION BATTERIES

“The EPA certified RBRC Battery Recycling Seal on the lithium-ion (Li-ion) 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 a t may be illegal in your area.

Please call 1-800-8-BATTERY for information on Li-ion 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.”

lterative to placing used Li-ion batteries into

he trash or the municipal waste stream, which

Symbols

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Symbols

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.

.../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

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 to Canadian Standards by Underwriters Laboratories.

This symbol designates that This symbol designates that this tool is listed by the Canadian Standards Association.

this tool is listed by

Underwriters Laboratories,

and listed to Canadian

Standards by Underwriters

Laboratories.

This symbol designates that this tool is listed by Intertek Testing Services.

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This symbol

designates that this tool complies to NOM Mexican Standards.

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Functional Description and Specifications

WARNING

Disconnect battery pack from tool before making any assembly, adjustments or changing accessories

reduce the risk of starting the tool accidentally.

Cordless Drill/Driver

GEAR SHIFTER

ADJUSTABLE CLUTCH

KEYLESS

CHUCK

VARIABLE SPEED

TRIGGER SWITCH

BATTERY PACK

RELEASE BUTTON

. Such preventive safety measures

FIG. 1

VENTILATION OPENINGS

FORWARD/REVERSING

LEVER & TRIGGER LOCK

RUBBERIZED

GRIP

BIT STORAGE

AREA

BATTERY PACK

Model number 36614 36618 Voltage rating No load speed 1 n No load speed 2 n

14.4 V 18 V 0-450/min n00-500/min

0-1450/min n00-1600/min

Maximum Capacities

Chuck size 1/2" 1/2" Screw sizes #16 x 3" #16 x 3" Mild metal 1/2" 1/2" Hard wood Soft wood

1-1/2" 2"

Battery pack BAT607 & BAT614 BAT609 & BAT618

Charger BC630 & BC660

BC630 & BC660

Voltage rating 120 V 60 Hz 120 V 60 Hz

NOTE: For tool specifications refer to the nameplate on your tool.

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Assembly

WARNING

any assembly, adjustments or changing accessories

measures reduce the risk of starting the tool accidentally.

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 (Fig. 2).

WARNING

Rotate the clutch ring to the drill bit symbol “ ”. Open the chuck all the way, remove left-hand thread screw inside chuck by turning it clockwise (Fig. 3).

Insert the short arm of a 1/2" hex key wrench and close jaws on flats of wrench (Fig. 4). Strike long arm of wrench sharply

Disconnect battery pack from tool before making

. Such preventive safety

INSERTING BITS

Do not use the power of the drill while grasping

REMOVING CHUCK

FIG. 3

CHUCK SLEEVE

chuck to loosen or tighten bit.

or hand injury is possible if attempting to grasp the spinning chuck.

FIG. 2

SCREWDRIVER

BIT

counterclockwise, remove wrench and unthread chuck from spindle.

Always keep the spindle threads, the threads of the chuck and securing screw free of debris. To install a chuck, reverse “removing the chuck” procedure.

HUCK SLEEVE

SCREWDRIVER BIT

INSTALLING CHUCK

Friction burn

BIT HOLDER

FIG. 4

Operating Instructions

VARIABLE SPEED CONTROLLED

TRIGGER SWITCH

Your tool is equipped with a variable speed trigger switch. The tool can be turned "ON" or "OFF" by squeezing or releasing the trigger.

The speed can be adjusted from the minimum to maximum nameplate RPM by the pressure you apply to the trigger. Apply more pressure to increase the speed and release pressure to decrease speed (Fig. 1).

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FORWARD/REVERSING

LEVER & TRIGGER LOCK

WARNING

accidental starts and accidental discharge.

Your tool is equipped with a forward/ reversing lever and trigger lock located above the trigger (Fig. 5). This lever was designed for changing rotation of the bit, and for locking the trigger in an “OFF” position.

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 (Fig. 6).

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.

Your tool features 21 clutch settings. Output torque will increase as the clutch ring, is rotated from 1 to 20. 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 (Fig. 6).

When the trigger switch is released it activates the brake to stop the chuck quickly.

fter tool use, lock trigger in

“OFF” position to help prevent

Do not change direction of rotation until the tool

Shifting during

GEAR SHIFTING

ADJUSTABLE CLUTCH

BRAKE

FIG. 5

FIG. 6

GEAR SHIFTER

ADJUSTABLE

CLUTCH

This is especially useful in the repetitive driving and removal of screws.

BIT STORAGE AREA

Your tool is equipped with a bit and storage area that is conveniently located in the handle base where it is always handy and unlikely to get lost or misplaced (Fig. 1).

INSERTING AND RELEASING BATTERY PACK

Set Forward/Reversing lever to the center (off position). Slide charged battery pack into the housing until the battery pack locks into position (Fig. 7).

Your tool is equipped with a secondary locking latch to prevent the battery pack from completely falling out of the handle, should it become loose due to vibration.

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To remove the battery pack, press the battery pack release button and slide the battery pack forward.

Press the battery pack release button again and slide the battery pack completely out of tool housing (Fig. 7).

IMPORTANT CHARGING NOTES

1. The charger was designed to fast charge the battery only when the battery temperature is between 32˚F (0˚C) and 113˚F (45˚C). If the battery pack is too hot or too cold, the charger will not fast charge the battery. (This may happen if the battery pack is hot from heavy use). When the battery temperature returns to between 32˚F (0˚C) and 113˚F (45˚C), the charger will automatically begin charging.

2. 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.

3. Remember to unplug charger during storage period.

4. If battery does not charge properly:

FIG. 7

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.

CHARGER INDICATORS, SYMBOLS AND MEANING (Model BC630)

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.

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 automatically switch to fast-charging once a suitable temperature is reached.

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.

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CHARGING BATTERY PACK (Model BC630)

Plug charger cord into your standard power outlet.

With no battery pack inserted, the charger’s green indicator light will go ON. This indicates the charger is receiving power and the charger is ready for operation.

When you insert the battery pack into the charger. The charger’s green indicator light will begin to “BLINK”. This indicates that the battery is receiving a fast charge (Fig. 8).

When the indicator light stops “BLINKING” (and becomes a steady green light) fast charging is complete. The battery pack is fully charged and can be removed from the charger.

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.

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 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.

Fast charging is only possible when the temperature range of the battery pack is between 32˚F (0˚C) and 113˚F (45˚C). When needed, the internal fan of the charger will turn on to aid the charging process and speed.

As soon as the battery pack reaches the correct temperature range, the battery charger will automatically switch to fast charging.

If the red indicator light is “BLINKING”, the battery pack cannot accept a charge.

• Check to make sure the battery pack is

inserted into the charger properly.

• Clean the contacts of the charger or battery

pack (e. g. by inserting and removing the battery several times) or replace the battery pack, as required.

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.

FIG. 8

RED LIGHT

BATTERY

PACK

CHARGER

GREEN LIGHT

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CHARGER INDICATORS, SYMBOLS AND MEANING (Model BC660)

If the indicator lights are “OFF”, the charger is not receiving power from power supply outlet.

to fast-charging once a suitable temperature is reached.

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, the battery pack is too hot or cold for fast-

charging will automatically stop when the

battery pack is fully charged.

charging. The charger will automatically switch

If the green indicator light is “BLINKING”, the battery pack is being fast-charged. Fast-

Plug charger cord into your standard power

CHARGING BATTERY PACK (Model BC660)

outlet.

With no battery pack inserted, the charger’s green indicator light will go ON. This indicates the charger is receiving power and the charger is ready for operation.

When you insert the battery pack into the charger, the charger’s green indicator light will begin to “BLINK”. This indicates that the battery is receiving a fast charge (Fig. 9).

When the indicator light stops “BLINKING” (and becomes a steady green light) fast charging is complete. The battery pack is fully charged and can be removed from the charger.

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.

As soon as the battery pack reaches the correct temperature range, the battery charger will automatically switch to fast charging.

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.

If the green indicator light is “ON”, the battery pack cannot accept a charge.

• Check to make sure the battery pack is inserted into the charger properly.

• Clean the contacts of the charger or battery pack (e. g. by inserting and removing the battery several times) or replace the battery pack, as required.

When the battery pack is fully charged, unplug the charger (unless you're charging another

pack) and slip the battery pack back into

battery the tool.

BATTERY

PACK

FIG. 9

CHARGER

GREEN LIGHT

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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 t

rigger. 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.

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 t

he speed as the bit “bites” into the work by

squeezing the trigger.

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.

DRIVING WITH VARIABLE SPEED

FASTENING WITH SCREWS

This procedure shown in (Fig. 10) will enable 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.

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

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

drills are available for screw sizes No. 6, 8, 10 and 12.

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. 10

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”.

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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.

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.

WARNING

safe operating speed is not exceeded by the nameplate speed of the tool. Do not exceed the recommended wheel diameter.

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.

Work with brushes requires high speeds.

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.

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

DRILLING METAL

Before using an accessory, be certain that its maximum

SANDING AND POLISHING

WIRE BRUSHES

BRUSHING PRESSURE

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 p

ressure to assure that the bit does not just spin in the hole. This will dull the bit and greatly shorten its life.

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.

result in wire breakage and shortened brush life.

INCORRECT: Excessive pressure can cause wire breakage.

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.

DRILLING MASONRY

CORRECT: Wire tips doing the work.

RUNNING NUTS AND BOLTS

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