Flex FX1681 Manuel utilisateur

OPERATOR’S MANUAL

MANUAL DEL OPERADOR

MANUEL DE L’UTILISATEUR

833-FLEX-496

(833-3539-496)

For English

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Model:

Modelo:

Modèle:

24V RIGHT ANGLE DRILL

PERCEUSE D’ANGLE DROIT DE 24 V

TALADRO EN ÁNGULO RECTO DE 24 V

FX1681

-2-

SAFETY SYMBOLS

The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols

and the explanations with them deserve your careful attention and understanding. The symbol

warnings do not, by themselves, eliminate any danger. The instructions and warnings they give are

no substitutes for proper accident prevention measures.

WARNING Be sure to read and understand all safety instructions in this Owner's Manual,

including all safety alert symbols such as “DANGER,” “WARNING,” and

“CAUTION” before using this tool. Failure to follow all instructions listed below may result in electric

shock, re, and/or serious personal injury.

The denitions below describe the level of severity for each signal word. Please read the manual and

pay attention to these symbols.

This is the safety alert symbol. It is used to alert you to potential personal

injury hazards. Obey all safety messages that follow this symbol to avoid

possible injury or death.

DANGER DANGER indicates a hazardous situation which, if not avoided, will result in

death or serious injury.

WARNING WARNING indicates a hazardous situation which, if not avoided, could result

in death or serious injury.

CAUTION CAUTION, used with the safety alert symbol, indicates a hazardous situation

which, if not avoided, will result in minor or moderate injury.

Damage Prevention and Information Messages

These inform the user of important information and/or instructions that could lead to equipment or

other property damage if they are not followed. Each message is preceded by the word “NOTICE”,

as in the example below:

NOTICE: Equipment and/or property damage may result if these instructions are not followed.

WARNING The operation of any power tools can result in foreign

objects being thrown into your eyes, which can result in

severe eye damage. Before beginning power tool operation, always wear

safety goggles or safety glasses with side shields and a full face shield when

needed. We recommend a Wide Vision Safety Mask for use over eyeglasses

or standard safety glasses with side shields. Always use eye protection which

is marked to comply with ANSI Z87.1.

-3-

IMPORTANT SAFETY WARNINGS

WARNING Read all safety warnings, instructions, illustrations and specications

provided with this power tool. Failure to follow all instructions listed below may

result in electric shock, re and/or serious injury.

SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE.

The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-

operated (cordless) power tool.

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

ammable 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. Unmodied 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.

If operating a power tool in a damp location

is unavoidable, use a ground fault circuit

interrupter (GFCI) protected supply. Use of a

GFCI reduces the risk of electric shock.

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 inuence of drugs, alcohol

or medication. A moment of inattention while

operating power tools may result in serious

personal injury.

Use personal protective equipment. Always

wear eye protection. Protective equipment such

as a 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.

Carrying power tools with your nger on the

switch or energizing 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 and clothing 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 dust collection can reduce dust-

related hazards.

Do not let familiarity gained from frequent

use of tools allow you to become

complacent and ignore tool safety

principles. A careless action can cause severe

injury within a fraction of a second.

-4-

Power tool use and care

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 remove the battery pack,

if detachable, from the power tool before

making any adjustments, changing

accessories, or storing power tools. Such

preventive safety measures reduce the risk of

starting the power tool accidentally.

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 and accessories.

Check for misalignment or binding of

moving parts, breakage of parts and any

other condition that may affect the power

tool’s operation. If damaged, have the power

tool repaired before use. Many accidents are

caused by poorly maintained power tools.

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.

Use of the power tool for operations different

from those intended could result in a hazardous

situation.

Keep handles and grasping surfaces dry,

clean and free from oil and grease. Slippery

handles and grasping surfaces do not allow

for safe handling and control of the tool in

unexpected situations.

Battery tool use and care

Recharge only with the charger specied by

the manufacturer. A charger that is suitable for

one type of battery pack may create a risk of re

when used with another battery pack.

Use power tools only with specically

designated battery packs. Use of any other

battery packs may create a risk of injury and

re.

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 re.

Under abusive conditions, liquid may be

ejected from the battery; avoid contact.

If contact accidentally occurs, ush with

water. If liquid contacts eyes, additionally

seek medical help. Liquid ejected from the

battery may cause irritation or burns.

Do not use a battery pack or tool that is

damaged or modied. Damaged or modied

batteries may exhibit unpredictable behavior

resulting in re, explosion or risk of injury.

Do not expose a battery pack or tool to re

or excessive temperature. Exposure to re or

temperature above 265 °F (130 °C) may cause

explosion.

Follow all charging instructions and do

not charge the battery pack or tool outside

the temperature range specied in the

instructions. Charging improperly or at

temperatures outside the specied range may

damage the battery and increase the risk of re.

Service

Have your power tool serviced by a

qualied repair person using only identical

replacement parts. This will ensure that the

safety of the power tool is maintained.

Never service damaged battery packs.

Service of battery packs should only be

performed by the manufacturer or authorized

service providers.

-5-

SAFETY WARNINGS FOR ANGLE DRILL

• Wear ear protectors when impact drilling.

Exposure to noise can cause hearing loss.

• Use the auxiliary handle. Loss of control can

cause personal injury.

• Brace the tool properly before use. This

tool produces a high output torque and without

properly bracing the tool during operation,

loss of control may occur resulting in personal

injury.

• Hold the power tool by insulated gripping

surfaces, when performing an operation

where the cutting accessory may contact

hidden wiring. Cutting accessory contacting

a "live" wire may make exposed metal parts

of the power tool "live" and could give the

operator an electric shock.

• Position yourself to avoid being caught

between the tool or auxiliary handle and

walls or posts. Should the bit become bound

or jammed in the work, the reaction torque of

the tool could crush your hand or leg.

• 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.

Safety instructions when using long drill bits

• Never operate at higher speed than the

maximum speed rating of the drill bit.

At higher speeds, the bit is likely to bend if

allowed to rotate freely without contacting the

workpiece, resulting in personal injury.

• Always start drilling at low speed and with

the bit tip in contact with the workpiece.

At higher speeds, the bit is likely to bend if

allowed to rotate freely without contacting the

workpiece, resulting in personal injury.

• Apply pressure only in direct line with the

bit and do not apply excessive pressure.

Bits can bend causing breakage or loss of

control, resulting in personal injury.

WARNING

• Some dust created by power sanding, sawing,

grinding, drilling and other construction

activities contains chemicals known to the

State of California 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 upon how often you do this type

of work. To reduce your exposure to these

chemicals:

– Work in a well-ventilated area.

– Work with approved safety equipment, such

as dust masks that are specially designed to

lter out microscopic particles.

– Avoid prolonged contact with dust from power

sanding, sawing, grinding, drilling, and other

construction activities. Wear protective clothing

and wash exposed areas with soap and water.

Allowing dust to get into your mouth or eyes or

to lie on the skin may promote absorption of

harmful chemicals.

-6-

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.

Symbol Name Designation/Explanation

V Volts Voltage

A Amperes Current

Hz Hertz Frequency (cycles per second)

W Watt Power

kg Kilograms Weight

min Minutes Time

s Seconds Time

Wh Watt-hours Battery capacity

Ah Ampere-hours Battery capacity

ø Diameter Size of drill bits, grinding wheels, etc.

n0No load speed Rotational speed, at no load

n Rated speed Maximum attainable speed

…/min Revolutions or reciprocations per

minute (rpm)

Revolutions, strokes, surface speed, orbits,

etc. per minute

O Off position Zero speed, zero torque...

1,2,3,…

Ⅰ,Ⅱ,Ⅲ, Selector settings Speed, torque, or position settings. Higher

number means greater speed

Innitely variable selector with off Speed is increasing from 0 setting

Arrow Action in the direction of arrow

Alternating current (AC) Type or a characteristic of current

Direct current (DC) Type or a characteristic of current

Alternating or direct current

(AC / DC) Type or a characteristic of current

Class II tool Designates Double Insulated Construction

tools.

Protective earth Grounding terminal

Li-ion RBRC seal Designates Li-ion battery recycling

program

Read the instructions Alerts user to read manual

-7-

Symbol Name Designation/Explanation

Wear eye protection symbol Alerts user to wear eye protection

Always operate with two hands Alerts user to always operate with two

hands

Do not use the guard for cut-off

operations

Alerts user not to use the guard for cut-off

operations

SYMBOLS (CERTIFICATION INFORMATION)

Symbol Designation/Explanation

This symbol designates that this tool is listed by Underwriters Laboratories.

This symbol designates that this component is recognized by Underwriters

Laboratories.

This symbol designates that this tool is listed by Underwriters Laboratories, to

United States and Canadian Standards.

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

Association.

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

Association, to United States and Canadian Standards.

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

to United States and Canadian Standards.

-8-

FUNCTIONAL DESCRIPTIONS AND SPECIFICATIONS

RIGHT ANGLE DRILL

Fig. 1

Front Handle Auxiliary Handle

Main Handle

Chuck Key Holder

LED Work

Light

Speed

Change Knob

Chuck Jaws

Hook

Chuck Key

Direction-of-Rotation

(forward/center-lock/reverse) Selector

Turbo Function Button

Variable-Speed

Trigger Switch

Chuck Key

Hole

Keyed Chuck

-9-

Model No. FX1681

Rated Voltage 24V d. c.

Chuck Capacity 5/32 – 1/2 in. (4 – 13 mm)

Low Speed High Speed

No-load Speed 0-400/min (RPM) 0-1350/min (RPM)

Turbo 0-490 /min (RPM) 0-1650/min (RPM)

Anti-kickback Yes Yes

Mechanical Clutch Yes No

Soft start Yes

Overload protection Yes

Brake Yes

Constant speed Yes

LED light Yes

Wood

Auger Bit 2 in.(51mm) 2 in.(51mm)

Self feed Bit 4-5/8 in.(117mm) 4-5/8 in.(117mm)

Hole Saw 6-1/4 in.(158mm) 6 in.(152mm)

Metal

Twist 1/2 in.(13mm) 7/16 in.(11mm)

Recommended

Operating

Temperature

-4 – 104 °F (-20 – 40°C)

Recommended

Storage Temperature < 122℉ (< 50℃)

-10-

ASSEMBLY

WARNING Detach the battery pack

from the tool before

performing any assembly or adjustments, or

changing accessories. Such preventive safety

measures reduce the risk of starting the tool

accidentally.

TO ATTACH/DETACH BATTERY PACK (FIG. 2)

Lock the variable-speed trigger switch “OFF”

on the tool by placing the direction-of-rotation

(forward/center-lock/reverse) selector in the

center position before attaching or detaching

the battery pack.

To attach the battery pack:

Align the raised rib on the battery pack with the

grooves in the tool, and then slide the battery

pack onto the tool.

NOTICE: When placing the battery pack

onto the tool, be sure that the raised rib

on the battery pack aligns with the groove

inside the tool and that the latches snap into

place properly. Improper attachment of the

battery pack can cause damage to internal

components.

To detach the battery pack:

Depress the battery-release button located

on the front of the battery pack, to release the

battery pack. Pull the battery pack out and

remove it from the tool.

WARNING Battery tools are always in

operating condition.

Therefore, the direction-of-rotation (forward/

center-lock/reverse) selector should always

be locked in the center position when the

tool is not in use or while carrying the tool at

your side.

WARNING Do not attempt to modify

this tool or create

accessories not recommended for use with

this tool. Any such alteration or modication is

misuse and could result in a hazardous

condition leading to possible serious injury.

Fig. 2

Battery-Release

Button

Battery Pack

-11-

INSTALL AND REMOVE BITS (FIG. 3, 4, AND 5)

WARNING Always be sure that the tool

is switched off and the

battery pack is removed before carrying out any

work on the tool.

To install the bit

a. Lock the variable-speed trigger switch OFF

on the tool by placing the direction-of-rotation

selector in the center position.

b. Remove the battery pack.

c. Insert the chuck key into one of the

three holes on the chuck and turn it

counterclockwise (as shown in Fig. 3) to open

the chuck to approximately the bit diameter.

d. Insert the bit into the chuck as far as it will go.

e. Close the chuck jaws by sequentially inserting

the chuck key into each of the three holes and

turning the key clockwise. Be sure to tighten

all three chuck holes evenly (Fig. 4).

WARNING Make sure to insert the

drill bit straight into the

chuck jaws. Do not insert the drill bit into the

chuck jaws at an angle and then tighten the

chuck as shown in Fig. 5. This could cause

the drill bit to be thrown from the tool, resulting

in possibly serious personal injury or damage to

the chuck.

To remove the bit

a. Insert the chuck key into one of the

three holes on the chuck and turn it

counterclockwise (Fig. 3) to loosen the chuck.

b. Remove the bit.

WARNING Use protective gloves

when removing the bit

from the tool, or rst allow the bit to cool

down. The bit may be hot after prolonged use.

Fig. 3

Fig. 4

Fig. 5

-12-

CHUCK KEY STORAGE

Your tool features a chuck key holder on the

bottom of the tool. To prevent loss, return the

chuck key into the chuck key holder after each

use (Fig. 6).

To install the chuck key into its holder

Insert the chuck key vertically into the holder

and the at head into the groove as shown

in Fig. 7. Snap the handle of the key into the

retention clip on the holder. Tilt the chuck key

at and snap the shaft of the key into the groove

(Fig. 7).

To remove the chuck key from its holder

Lift the chuck key forward and pull the chuck

key handle out of the holder.

NOTICE: To avoid losing the chuck key, do not

store it in any other orientation.

Fig. 6

Fig. 7

Flat

Head

Chuck Key

Holder

Shaft Handle

-13-

INSTALL AND REMOVE HOOK

The hook is included with the tool but requires

installation.

To install the hook

1. Lock the variable-speed trigger switch “OFF”

on the tool by placing the direction-of-rotation

selector in the center position.

2. Remove the battery pack.

3. Align the base of the hook with the hook

mounting spot.

4. Use the Phillips head screwdriver (not

supplied) to tighten the two screws (Fig. 8).

WARNING Make sure that the hook is

properly secured to the tool

with two screws.

To remove the hook

Use the Phillips head screwdriver (not

supplied) to loosen the two screws and remove

the hook.

WARNING Never hang the tool using

the hook at high location

or on potentially unstable surface.

Once the hook is installed, the drill can be

carried or hung on a rope, nail, and a 2x4 or

3x6 piece of wood.

To use, lift the hook up until it snaps into the

desired open position – there are two open

positions available.

When not in use, always lower the hook until it

snaps into the closed position (Fig. 8).

Do not use damaged hook and screws. Before

use, always check for damages, cracks or

deformities, and make sure that the screws are

tightened.

AUXILIARY HANDLE

WARNING Always be sure that the

auxiliary handle is

installed securely before operation.

The auxiliary handle can be installed on either

side of the tool.

To install the auxiliary handle, thread it into

the socket on the desired side of the tool and

tighten it securely (Fig. 9).

Fig. 9

Fig. 8

Hook

Two

Screws

-14-

ADJUSTMENTS

DIRECTION-OF-ROTATION (FORWARD/

CENTER-LOCK/REVERSE) SELECTOR

WARNING After tool use, lock the

direction-of-rotation

selector in the “OFF” position (center-lock)

to help prevent accidental starts and

possible injury.

Your tool is equipped with a direction-of-rotation

selector, located in front of the variable-speed

trigger switch. This selector is used to change

the direction of rotation of the bit and to lock the

variable-speed trigger in the “OFF” (center-lock)

position.

a. Position the direction-of-rotation selector to

the far left of the tool for forward rotation

(Fig. 10).

b. Position the direction-of-rotation selector to

the far right of the tool for reverse rotation

(Fig. 10).

c. Position the switch in the “OFF” (center-

lock) position to help reduce the possibility of

accidental starting when not in use.

NOTICE: To prevent gear damage, always

allow the tool to come to a complete stop before

changing the direction of rotation.

NOTICE: The tool will not run unless the

direction-of-rotation selector is engaged fully to

the left or to the right.

SPEED CHANGE KNOB

WARNING Use the speed change knob

only after the tool comes to

a complete stop. Changing the tool speed

before the tool stops may damage the tool.

NOTICE: Always set the speed change knob

carefully into the correct position. Operation of

the tool with the speed change knob positioned

half-way between the positions "H" and "L" may

damage the tool.

Two speed ranges can be preselected with the

speed change knob.

To change the speed mode

With the tool stopped, push the release button in

the direction of the arrow, and then turn the speed

change knob to the desired speed mode (Fig. 11).

Align the side of the knob marked "L" with the

triangular indicator for low speed / high torque

mode or the side marked "H" for high speed / low

torque mode.

Fig. 10

Fig. 11

Arrow

Release

Button Speed Change Knob

Indicator

-15-

TURBO MODE

In turbo mode the tool delivers higher rotation

speed. The torque remains the same.

NOTE: When operating in turbo mode, the tool

depletes the battery pack charge faster.

NOTE: The turbo mode cannot be activated or

deactivated while the tool is in operation.

Press the turbo function button to activate

the turbo mode of the tool. The turbo function

indicator light will light up at the same time.

When you press the trigger switch the tool will

operate in turbo mode (Fig. 12).

To turn off the turbo mode, release the trigger

switch, and then press the turbo button. The

indicator light will turn off and the tool will

return to its “normal” mode.

LED LIGHT (FIG. 13)

Your tool is equipped with an LED light,

located on the base of the tool. This provides

additional light on the surface of the work piece

for operation in lower-light areas.

The LED light will automatically turn on with a

slight squeeze on the variable-speed trigger

switch before the tool starts running, and will

turn off approximately 10 seconds after the

variable-speed trigger switch is released.

The LED light will rapidly ash when the tool

and/or battery pack becomes overloaded or

too hot, and the internal sensors will turn the

tool off. Rest the tool for a while or place the

tool and battery pack separately under air ow

to cool them.

The LED light will ash more slowly to indicate

that the battery is at low-battery capacity.

Recharge the battery pack.

Fig. 12

Turbo Function

Indicator Light Turbo Function

Button

Fig. 13

LED Light

-16-

OPERATING INSTRUCTIONS

WARNING To reduce the risk of re,

personal injury, and

product damage due to a short circuit, never

immerse your charger or battery pack in

uid or allow a uid to ow inside them.

Corrosive or conductive uids, such as

seawater, certain industrial chemicals, and

bleach or bleach-containing products, etc. can

cause a short circuit.

WARNING If any parts are damaged

or missing, do not operate

this product until the parts are replaced. Use

of this product with damaged or missing parts

could result in serious personal injury.

WARNING To prevent accidental

starting that could cause

serious personal injury, always remove the

battery pack from the tool when assembling

parts.

VARIABLE-SPEED TRIGGER SWITCH

(FIG. 14)

Your tool is equipped with a variable-speed

trigger switch. The tool can be turned ON or

OFF by depressing or releasing the variable-

speed trigger switch.

The variable-speed trigger switch delivers

higher speed with increased trigger pressure

and lower speed with decreased trigger

pressure.

This Angle Drill must be used only with the battery packs and chargers listed below:

Battery Pack Charger

2.5Ah 3.5Ah 5.0Ah 6Ah 8.0Ah 10Ah 12Ah

FX0111 FX0321 FX0121 FX0331 FX0221 FX0341 FX0231 FLEX

FX0411

FLEX

FX0421

FLEX

FX0431

FLEX

FX0451

NOTE: For best performance, it is recommended to use higher Ah battery packs FX0331, FX0221,

FX0341 and FX0231.

NOTE: Please refer to the battery pack and charger manuals for detailed operating information.

Fig. 14

Variable-speed

Trigger Switch

-17-

BIT BINDING

WARNING To reduce the risk of

injury, hold or brace the

tool securely. Always be prepared for bit

binding and drill reaction.

WARNING To reduce the risk of

injury, keep hands away

from the bit and all moving parts. If the bit

binds, the drill will suddenly react in the opposite

direction of the rotation of the bit. Reduce the

chances of a sudden reaction by following the

instructions listed below. Prepare for a sudden

reaction by holding or bracing the tool securely.

To reduce the chance of bit binding:

• Use sharp bits. Sharp bits are less likely to

bind when drilling.

• Use the proper bit for the job. There are many

types of bits designed for specic purposes.

• Keep self-feed bits aligned with the work

surface so bits go in straight.

• Avoid drilling warped, wet, knotty, and/or

pitchy material if possible.

• Avoid drilling in material that you suspect

contains hidden nails or other things that may

cause the bit to bind.

The direction of reaction is always opposite of

the direction of bit rotation. Reaction is even

more likely to occur when enlarging already

existing holes and at the point when the bit

breaks through the other side of the material.

If the bit binds:

1. Release the trigger switch immediately.

2. Switch the direction-of-rotation selector to

reverse rotation.

3. Remove the bit from the work and start again.

4. Do not press the trigger switch to attempt to

start a stalled bit. This will damage the drill.

BRACING FOR FORWARD ROTATION

(FIG. 15)

When drilling in forward rotation, the bit will

rotate in a clockwise direction (A). If the

bit binds in the hole, the bit will come to a

sudden stop and the drill will suddenly react

in a counterclockwise direction (B). The motor

housing braced (C) against a stud will hold the

drill in position.

A

B

C

Fig. 15

-18-

BRACING FOR REVERSE ROTATION

(FIG. 16)

When drilling in reverse, the bit will rotate in a

counterclockwise direction (A). If the bit binds

in the hole, the bit will come to a sudden stop

and the drill will suddenly react in a clockwise

direction (B).

The motor housing braced (C) against a stud

will hold the drill in position.

DRILLING (FIG. 17)

WARNING Always wear safety

goggles or safety glasses

with side shields during power tool

operation or when blowing dust. If operation

is dusty, also wear a dust mask.

a. Check that the direction-of-rotation selector is

at the correct setting (forward or reverse).

b. Secure the material to be drilled in a vise or

with clamps to keep it from turning as the drill

bit rotates.

c. Hold the angle drill rmly with both hands.

One hand on the main handle and the other

on the front handle or auxiliary handle.

d. Place the bit at the point to be drilled. Depress

the variable-speed trigger switch to start the

drill.

e. Move the drill bit into the workpiece, applying

only enough pressure to keep the bit “biting”.

Do not force the drill or apply side pressure to

elongate a hole. Let the tool do the work.

f. When drilling hard, smooth surfaces, use a

center punch to mark the desired location of

the hole. This will prevent the drill bit from

slipping off-center as the hole is started.

g. When drilling metals, use light oil on the drill

bit to keep it from overheating. The oil will

prolong the life of the bit and increase the

drilling efciency.

h. If the bit jams in the workpiece or if the drill

stalls, stop the tool immediately. Remove the

bit from the workpiece and determine the

reason for jamming.

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

should be. If the hole to be drilled is large, drill

a smaller hole rst, and then enlarge to the

required size with a larger bit; it’s often faster in

the long run.

A

B

C

Fig. 16

Fig. 17

-19-

DRILLING WOOD (FIG. 18)

For maximum performance, use high-speed

steel or brad-point bits for wood drilling.

• Begin drilling at a very low speed to prevent

the bit from slipping off the starting point.

• Increase speed as the drill bit bites into the

material.

• When drilling “through” holes, secure a block

of wood behind the workpiece to prevent

ragged or splintered edges on the back side of

the workpiece.

NOTICE: Bits may overheat unless reversed and

pulled out frequently to clear chips from utes.

DRILLING METAL

For maximum performance, use high-speed

steel bits for metal or steel drilling.

• When drilling metals, use light oil on the drill

bit to keep it from overheating. The oil will

prolong the life of the bit and increase the

drilling efciency.

• Begin drilling at a very low speed to prevent

the bit from slipping off the starting point.

• Maintain a speed and a pressure that allow

cutting without overheating the bit. Applying

too much pressure will:

– Overheat the Drill.

– Wear the bearings.

– Bend or burn bits.

– Produce off-center or irregularly shaped holes.

DRILLING MASONRY (FIG. 19)

For maximum performance, use carbide-tipped

masonry bits when drilling holes in brick, tile,

concrete, etc.

• Maintain a speed and a pressure that allow

cutting without overheating the bit or drill.

Applying too much pressure will:

– Overheat the drill.

– Wear the bearings.

– Bend or burn bits.

– Produce off-center or irregular-shaped holes.

• Apply light pressure and medium speed for

best results in brick.

• Apply additional pressure for hard materials

such as concrete.

• When drilling holes in tile, practice on a

scrap piece to determine the best speed and

pressure. To prevent the drill bit from skidding/

sliding, rst apply two pieces of masking tape

to create an “X” shape over the intended

drilling spot (Fig. 19).

• Begin drilling at a very low speed to prevent

the bit from slipping off the starting point.

Fig. 18

Fig. 19

-20-

MAINTENANCE

SERVICE

WARNING Preventive maintenance

performed by

unauthorized personnel may result in

misplacing of internal wires and

components which could cause a serious

hazard. We recommend that all tool service be

performed by a FLEX Factory Service Center or

Authorized FLEX Service Station.

GENERAL MAINTENANCE

WARNING When servicing, use only

identical replacement

parts. Use of any other parts could create a

hazard or cause product damage. Periodically

inspect the entire product for damaged, missing,

or loose parts such as screws, nuts, bolts, caps,

etc. Tighten securely all fasteners and caps and

do not operate this product until all missing or

damaged parts are replaced. Please contact

customer service or an authorized service

center for assistance.

WARNING To avoid serious personal

injury, always remove the

battery pack from the charger/tool when

cleaning or performing any maintenance.

CLEANING

WARNING The tool may be cleaned

most effectively with

compressed dry air. Always wear 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 openings.

WARNING Certain cleaning agents

and solvents damage

plastic parts. Some of these are: gasoline,

carbon tetrachloride, chlorinated cleaning

solvents, ammonia and household detergents

that contain ammonia.

STORAGE

Store the tool indoors in a place that is

inaccessible to children. Keep away from

corrosive agents.

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Flex FX1681 Manuel utilisateur

Flex FX1681 Manuel utilisateur

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