Dremel SM20 Manuel utilisateur

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Operating/Safety Instructions

Consignes de fonctionnement/sécurité

Instrucciones de funcionamiento y seguridad

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SM20

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Work area safety

Keep work area clean and well lit. Cluttered

or dark areas invite accidents.

Do not operate power tools in explosive

atmospheres, such as in the presence of

flammable liquids, gases or dust. Power

tools create sparks which may ignite the dust

or fumes.

Keep children and bystanders away while

operating a power tool. Distractions can

cause you to lose control.

Electrical safety

Power tool plugs must match the outlet.

Never modify the plug in any way. Do not

use any adapter plugs with earthed

(grounded) power tools. Unmodified plugs

and matching outlets will reduce risk of electric

shock.

Avoid body contact with earthed or grounded

surfaces such as pipes, radiators, ranges

and refrigerators. There is an increased risk

of electric shock if your body is earthed or

grounded.

Do not expose power tools to rain or wet

conditions. Water entering a power tool will

increase the risk of electric shock.

Do not abuse the cord. Never use the cord

for carrying, pulling or unplugging the power

tool. Keep cord away from heat, oil, sharp

edges or moving parts. Damaged or entangled

cords increase the risk of electric shock.

When operating a power tool outdoors,

use an extension cord suitable for outdoor

use. Use of a cord suitable for outdoor use

reduces the risk of electric shock.

If operating a power tool in a damp location

is unavoidable, use a Ground Fault Circuit

Interrupter (GFCI) protected supply. Use of

an 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 influence of drugs,

alcohol or medication. A moment of inattention

while operating power tools may result in

serious personal injury.

Read all safety warnings and all 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 the warnings refers to your mains-operated (corded) power tool or

battery-operated (cordless) power tool.

General Power Tool Safety Warnings

Safety Symbols

The definitions 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 indicates a hazardous situation which, if not avoided, will

result in death or serious injury.

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

result in death or serious injury.

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

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

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Cut-Off Machine Safety Warnings

The guard provided with the tool must be

securely attached to the power tool and

positioned for maximum safety, so the least

amount of wheel is exposed towards the

operator. Position yourself and bystanders

away from the plane of the rotating wheel.

The guard helps to protect operator from

broken wheel fragments and accidental

contact with wheel.

Use only bonded reinforced or diamond

cut-off wheels for your power tool. Just

because an accessory can be attached to your

power tool, it does not assure safe operation.

The rated speed of the accessory must be

at least equal to the maximum speed

marked on the power tool. Accessories

running faster than their rated speed can break

and fly apart.

Wheels must be used only for

recommended applications. For example:

do not grind with the side of cut-off wheel.

Abrasive cut-off wheels are intended for

peripheral grinding, side forces applied to

these wheels may cause them to shatter.

Always use undamaged wheel flanges that

are of correct diameter for your selected

wheel. Proper wheel flanges support the

wheel thus reducing the possibility of wheel

breakage.

Do not use worn down wheels from larger

-3-

Use personal protective equipment. Always

wear eye protection. Protective equipment

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.

Carrying power tools with your finger 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, clothing and

gloves away from moving parts. Loose

clothes, jewelry or long hair can be caught in

moving parts.

If devices are provided for the connection

of dust extraction and collection facilities,

ensure these are connected and properly

used. Use of dust collection can reduce dust-

related hazards.

Power tool use and care

Do not force the power tool. Use the

correct power tool for your application. The

correct power tool will do the job better and

safer at the rate for which it was designed.

Do not use the power tool if the switch does

not turn it on and off. Any power tool that

cannot be controlled with the switch is

dangerous and must be repaired.

Disconnect the plug from the power source

and/or the battery pack from the power tool

before making any adjustments, changing

accessories, or storing power tools. Such

preventive safety measures reduce the risk of

starting the power tool accidentally.

Store idle power tools out of the reach of

children and do not allow persons unfamiliar

with the power tool or these instructions to

operate the power tool. Power tools are

dangerous in the hands of untrained users.

Maintain power tools. Check for misalignment

or binding of moving parts, breakage of

parts and any other 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.

Service

Have your power tool serviced by a qualified

repair person using only identical

replacement parts. This will ensure that the

safety of the power tool is maintained.

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power tools. Wheel intended for larger power

tool is not suitable for the higher speed of a

smaller tool and may burst.

The outside diameter and the thickness of

your accessory must be within the capacity

rating of your power tool. Incorrectly sized

accessories cannot be adequately guarded or

controlled.

The arbor size of wheels and flanges must

properly fit the spindle of the power tool.

Wheels and flanges with arbor holes that do

not match the mounting hardware of the power

tool will run out of balance, vibrate excessively

and may cause loss of control.

Do not use damaged wheels. Before each

use, inspect the wheels for chips and

cracks. If power tool or wheel is dropped,

inspect for damage or install an

undamaged wheel. After inspecting and

installing the wheel, position yourself and

bystanders away from the plane of the

rotating wheel and run the power tool at

maximum no load speed for one minute.

Damaged wheels will normally break apart

during this test time.

Wear personal protective equipment.

Depending on application, use face shield,

safety goggles or safety glasses. As

appropriate, wear dust mask, hearing

protectors, gloves and shop apron capable

of stopping small abrasive or workpiece

fragments. The eye protection must be

capable of stopping flying debris generated by

various operations. The dust mask or

respirator must be capable of filtrating particles

generated by your operation. Prolonged

exposure to high intensity noise may cause

hearing loss.

Keep bystanders a safe distance away from

work area. Anyone entering the work area

must wear personal protective equipment.

Fragments of workpiece or of a broken wheel

may fly away and cause injury beyond

immediate area of operation.

Hold the power tool by insulated gripping

surfaces only, when performing an

operation where the cutting accessory may

contact hidden wiring or its own cord.

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 the cord clear of the spinning

accessory. If you lose control, the cord may

be cut or snagged and your hand or arm may

be pulled into the spinning wheel.

Never lay the power tool down until the

accessory has come to a complete stop.

The spinning wheel may grab the surface and

pull the power tool out of your control.

Do not run the power tool while carrying it

at your side. Accidental contact with the

spinning accessory could snag your clothing,

pulling the accessory into your body.

Regularly clean the power tool’s air vents.

The motor’s fan will draw the dust inside the

housing and excessive accumulation of

powdered metal may cause electrical hazards.

Do not operate the power tool near

flammable materials. Sparks could ignite

these materials.

Do not use accessories that require liquid

coolants. Using water or other liquid coolants

may result in electrocution or shock.

Kickback and related warnings

Kickback is a sudden reaction to a pinched or

snagged rotating wheel. Pinching or snagging

causes rapid stalling of the rotating wheel

which in turn causes the uncontrolled power

tool to be forced in the direction opposite of the

wheel’s rotation at the point of the binding.

For example, if an abrasive wheel is snagged

or pinched by the workpiece, the edge of the

wheel that is entering into the pinch point can

dig into the surface of the material causing the

wheel to climb out or kick out. The wheel may

either jump toward or away from the operator,

depending on direction of the wheel’s

movement at the point of pinching. Abrasive

wheels may also break under these conditions.

Kickback is the result of power tool misuse

and/or incorrect operating procedures or

conditions and can be avoided by taking

proper precautions as given below.

Maintain a firm grip on the power tool and

position your body and arm to allow you to

resist kickback forces. Always use auxiliary

handle, if provided, for maximum control

over kickback or torque reaction during

start-up. The operator can control torque

reactions or kickback forces, if proper

precautions are taken.

Never place your hand near the rotating

accessory. Accessory may kickback over your

hand.

Do not position your body in line with the

rotating wheel. Kickback will propel the tool in

direction opposite to the wheel’s movement at

the point of snagging.

Use special care when working corners,

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GFCI and personal protection devices like

electrician’s rubber gloves and footwear will

further enhance your personal safety.

Do not use AC only rated tools with a DC

power supply. While the tool may appear to

work, the electrical components of the AC

rated tool are likely to fail and create a hazard

to the operator.

Keep handles dry, clean and free from oil

and grease. Slippery hands cannot safely

control the power tool.

Use clamps or another practical way to

secure and support the workpiece to a

stable platform. Holding the work by hand or

against your body leaves it unstable and may

lead to loss of control.

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.

Certain cleaning agents such as gasoline,

carbon tetrachloride, ammonia, etc. may

damage plastic parts.

Risk of injury to user. The power cord must only

be serviced by a Dremel Service Facility.

Do not use type 1A or 27A wheels for face

grinding. Side forces applied to these wheels

may cause them to shatter or burst.

Some dust created by

power sanding, sawing,

grinding, drilling, and other construction

activities contains chemicals known to

cause cancer, birth defects or other

reproductive harm. Some examples of

these chemicals are:

• Lead from lead-based paints,

• Crystalline silica from bricks and cement and

other masonry products, and

• Arsenic and chromium from chemically-

treated lumber.

Your risk from these exposures varies,

depending on how often you do this type of

work. To reduce your exposure to these

chemicals: work in a well ventilated area, and

work with approved safety equipment, such as

those dust masks that are specially designed

to filter out microscopic particles.

Do not cut solid metal

rod greater than 5/16".

Tool may become damaged.

Additional Safety Warnings

-5-

sharp edges etc. Avoid bouncing and

snagging the accessory. Corners, sharp

edges or bouncing have a tendency to snag

the rotating accessory and cause loss of

control or kickback.

Do not attach a saw chain, woodcarving

blade, segmented diamond wheel with a

peripheral gap greater than 10 mm or

toothed saw blade. Such blades create

frequent kickback and loss of control.

Do not “jam” the wheel or apply excessive

pressure. Do not attempt to make an

excessive depth of cut. Overstressing the

wheel increases the loading and susceptibility

to twisting or binding of the wheel in the cut

and the possibility of kickback or wheel

breakage.

When wheel is binding or when interrupting

a cut for any reason, switch off the power

tool and hold the power tool motionless

until the wheel comes to a complete stop.

Never attempt to remove the wheel from

the cut while the wheel is in motion

otherwise kickback may occur. Investigate

and take corrective action to eliminate the

cause of wheel binding.

Do not restart the cutting operation in the

workpiece. Let the wheel reach full speed

and carefully re-enter the cut. The wheel

may bind, walk up or kickback if the power tool

is restarted in the workpiece.

Support panels or any oversized workpiece

to minimize the risk of wheel pinching and

kickback. Large workpieces tend to sag under

their own weight. Supports must be placed

under the workpiece near the line of cut and

near the edge of the workpiece on both sides

of the wheel.

Use extra caution when making a “pocket

cut” into existing walls or other blind areas.

The protruding wheel may cut gas or water

pipes, electrical wiring or objects that can

cause kickback.

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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.

Symbols

Symbol 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)

⌀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 reciprocation per minute (revolutions, strokes, surface speed,

orbits etc. per minute)

0 Off position (zero speed, zero torque...)

1, 2, 3, ...

I, II, III,

Selector settings (speed, torque or position settings. Higher number means

greater speed)

0

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)

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Symbols (continued)

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 Designation / Explanation

Designates Li-ion battery recycling program

Designates Ni-Cad battery recycling program

Alerts user to read manual

Alerts user to wear eye protection

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.

This symbol designates that this tool complies to NOM Mexican Standards.

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Functional Description and Specifications

Disconnect the plug from the power source before making any

assembly, adjustments or changing accessories. Such preventive

safety measures reduce the risk of starting the tool accidentally.

SM20 Dremel®Saw-Max

Model number SM20

* Rated speed n 17,000/min

* Max. abrasive wheel diameter 3" (76.2 mm) type 1

Amperage rating 6.0 A

Wheel arbor .433" (11 mm)

Max. cutting depth 3/4" (21.5 mm)

Voltage rating 120V 60Hz

FIG. 1

* Accessory speed rating must be equal to or greater than the tool’s speed rating. Do not

exceed the recommended wheel diameter.

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

SPINDLE LOCK

FOOT

VENTILATION

OPENINGS

ABRASIVE

WHEEL

VENTILATION

OPENINGS

PADDLE SWITCH WITH

"LOCK-OFF" FEATURE

CORD

"LOCK-ON"

BUTTON

DEPTH SCALE

DEPTH

ADJUSTMENT

LEVER

DUST

PORT

FLUSH CUT

FOOT

LINE GUIDE

INTENDED USE

This Dremel SM20 tool is intended for cuts in wood, plastic, metal, drywall, fiberboard and tile

using the applicable Saw-Max accessories.

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 8

STANDARD FLAT WHEEL ASSEMBLY

Disconnect the plug from

the power source before

making any assembly, adjustments or

changing accessories. Such preventive safety

measures reduce the risk of starting the tool

accidentally.

The Lock Bolt which attaches the cutting wheel

to the tool should be turned CLOCKWISE to

be loosened and COUNTERCLOCKWISE to

be tightened (Fig. 3). This bolt is reverse

threaded compared to standard threaded

fasteners.

The Dremel Saw-Max features two cutting

wheel positions- one position using a standard

flat wheel for all your typical straight and

plunge cuts (Fig. 4), and a second optional

wheel position for making flush cuts along

flooring or against a wall (Fig. 5).

Do not attempt to mount

two cutting wheels onto

the tool at the same time.

1. Turn LOCK BOLT with wrench provided

clockwise and remove LOCK BOLT and

OUTER WASHER (Fig. 2). If the shaft

moves while attempting to loosen the lock

bolt press the spindle lock (Fig. 2).

2. Slide wheel behind the guard face and

mount it against the INNER WASHER on

the shaft (Fig. 4).

3. Reinstall OUTER WASHER and tighten lock

bolt finger tight.

4. Press spindle lock to lock shaft and tighten

LOCK BOLT counter-clockwise until tight

with the wrench provided.

FLUSH CUTTING WHEEL ASSEMBLY

1. Repeat step 1 of above.

2. Place flush cutting wheel against the INNER

WASHER on the spindle shaft. (Fig. 5).

3. Reinstall OUTER WASHER and tighten

LOCK BOLT finger tight.

4. Press spindle lock to lock shaft and tighten

LOCK BOLT counter-clockwise until tight

with the wrench provided.

Assembly

SPINDLE LOCK

GUARD

FACE

FIG. 4 FIG. 5

INNER

WASHER

OUTER WASHER

LOCK

BOLT

FLUSH CUTTING

WHEEL

(OPTIONAL)

STANDARD

FLAT WHEEL

GUARD FACE

STANDARD WHEEL

-9-

WRENCH

FLUSH

CUTTING WHEEL

FIG. 2

FIG. 3

LOOSEN TIGHTEN

LOCK BOLT

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Introduction

DUST EXTRACTION

(Optional accessory)

Your tool is equipped with a dust port for dust

extraction. To use this feature, insert dust

port adapter into dust port, attach vacuum

hose into the adapter, then connect the

opposite end of the hose to a shop vacuum

cleaner (Fig. 6).

DUST PORT ADAPTER

(Optional accessory)

VACUUM

HOSE

(Not included)

DUST

PORT

FIG. 6

Thank you for purchasing the Dremel SM20.

This tool was designed to tackle a wide variety

of projects in and around the home. The

Dremel SM20 completes tasks quicker and

more efficiently than a series of other tools that

would be needed to complete a job or project.

This tool is also compact, ergonomic, and cuts

virtually all common materials.

After using your new Dremel SM20 you’ll find

that it is the right size tool to get projects done

at just a fraction of the size of a traditional

circular saw. With a full line of accessories the

tool cuts through virtually any common material

in the home- wood, plastic, metal, drywall and

tile. The tool also features two cutting wheel

positions, one position using a standard flat

wheel for all your typical straight cuts and a

second position for making flush cuts along

flooring or against a wall.

In addition to versatility, the Dremel SM20

provides excellent line of sight for confident,

precise cuts so you will get accurate cuts the

first attempt and avoid wasting time or material.

Visit www.dremel.com to learn more about

what you can do with your new Dremel tool.

INTENDED USE

This Dremel SM20 tool is intended for straight

cuts in wood, plastic, metal, drywall, fiberboard,

and tile using the applicable accessories

recommended by Dremel.

Operating Instructions

Hold the tool with both

hands while starting the

tool, since torque from the motor can cause the

tool to twist.

Start the tool before applying to work and let

the tool come to full speed before contacting

the workpiece. Lift the tool from the work

before releasing the switch. DO NOT turn the

switch “ON” and “OFF” while the tool is under

load; this will greatly decrease the switch life.

PADDLE SWITCH WITH

"LOCK-OFF" FEATURE

The Paddle switch enables the operator to

control the switch functions of "Lock-OFF",

and "ON/OFF".

TO UNLOCK SWITCH AND TURN TOOL

"ON": Push "Lock-OFF" switch release lever

forward to unlock paddle switch, then squeeze

paddle switch (Fig. 7).

TO SWITCH TOOL "OFF": Release pressure

on paddle lever. The switch is spring loaded

and will return to "OFF" position automatically

(Fig. 7).

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DEPTH ADJUSTMENT

Disconnect plug from power source. Loosen

the depth adjustment lever located on the right

side of the tool. The foot is spring loaded and

will lower automatically (Fig. 8).

Tighten lever counter clockwise at the depth

setting desired. Check desired depth (Fig. 8).

DEPTH SCALE

DEPTH

ADJUSTMENT

LEVER

FIG. 8

-11-

LINE GUIDE

The cutting guide notch will give an

approximate line of cut (Fig. 9). Make sample

cuts in scrap lumber to verify actual line of cut. LINE GUIDE

FIG. 9

"LOCK-ON" BUTTON

The "Lock-ON" feature, incorporated into the

paddle switch, is a convenience for long

operations.

TO LOCK SWITCH "ON": After paddle switch

has been activated push "Lock-ON" button at

rear of tool completely in and release paddle

switch (Fig. 7).

TO SWITCH TOOL "OFF": Squeeze and

release paddle switch (Fig. 7).

In order to try to avoid recoil (a situation where

the wheel wants to skip out of the material) it

is recommended to make cuts in the same

direction as the rotation of the wheel.

It is important to read

and understand the

section in this manual called “Kickback

and Related Warnings”.

FIG. 7

PADDLE

SWITCH

"LOCK-ON"

BUTTON

"LOCK-OFF"

SWITCH

RELEASE LEVER

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 11

GENERAL CUT OFFS

Maintain a firm grip and operate the switch with

a decisive action. Never force the tool. Use a

light and continuous pressure (Fig. 10).

After completing a cut and

the switch has been

released, be aware of the necessary time it

takes for the wheel to come to a complete stop

during coast down. Do NOT set the tool down

until the accessory has come to a complete

stop.

1. Make sure material being cut is secured in a

vise or fixture before attempting to cut

2. Keep your body positioned to either side of

the wheel, but not in line with the wheel. It is

important to support the tool properly and to

position your body such as to minimize body

exposure from possible wheel binding and

recoil.

3. Grip the tool firmly while cutting and always

be ready and able to manage the cut.

4. Avoid jamming, twisting or pinching the wheel

with the workpiece of otherwise applying

excessive side pressure to the wheel.

-12-

CUTTING METAL

It is possible to perform limited cutting on small

stock such as copper pipe, conduit, coated wire

shelving, HVAC, aluminum sheet, cutter, and

fascia.

Do not make repeated

cuts, or cut longer then 2

feet in sheet metal. Sparks may damage

guard.

When cutting, work with moderate feed,

adapted to the material being cut. Do not exert

side pressure onto the cutting wheel, tilt or

oscillate the tool.

When cutting profiles and square bar, it is best

to start at the smallest cross section. Always

follow precautions for kickback.

Do not apply side pressure to cutting wheel to

reduce wheel speed. The tool should always

be used so that sparks are directed away from

user.

After each use, remove the wheel and clean

the inside and outside of the guard with

compressed air. Preventive maintenance of

the guard will reduce the probability of an

accident.

When cutting cylindrical metal materials such

as conduit, copper tubing, threaded rod and

wire shelving up to ½” in diameter, use the

SM846 chop saw attachment. See page 16

for instructions.

Recommended Maximum

Material Thicknes

sThreaded Rod 5/16" (7.9 mm)

Sheet Metal 1/32" (20 Gauge) (.91 mm)

Conduit 1/2" (12.7 mm)

Masonry Score and then break

FIG. 10

CUTTING TILE

Make sure material being cut is secured in a

vise or fixture before attempting to cut.

Turn the tool on and wait for the wheel to reach

full speed. For cuts that extend to the edge of a

tile, cut all the way through edge(s) along your

cut line.

Score the tile first along your cut line, making

multiple passes to progressively cut through

the tile.

This tool does not use wheels designed for

face-grinding. If your cut requires a smooth,

finished edge, use an appropriate tile finishing

tool to refine the tile edge.

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 12

PLUNGE OR INTERIOR CUTS

The size and versatility of the Dremel SM20

make it an excellent option for making plunge

or interior cuts into a workpiece such as

flooring, paneling, or siding.

1. Mark the surface to be cut with the desired

cut lines

2. Loosen the Depth Adjustment Lever so that

the spring loaded foot releases and goes to

the zero depth setting. Leave the Depth

Adjustment Lever loose during this cut.

3. Rest the Foot of the tool on the workpieces

and Align the tool’s wheel with the cut line

(Fig. 11).

4. While holding the tool firmly, Press the

Paddle Switch and allow the tool’s wheel to

come up to full speed.

5. Slowly plunge/lower the tool and wheel into

the workpiece (Fig. 12).

6. Guide the tool forward and complete the cut

7. Release the Paddle Switch and allow the tool

to come to a complete stop.

8. Remove the tool from the workpiece.

9. Repeat steps 3-8 as required to complete

your cuts.

-13-

FIG. 11

FIG. 12

FLUSH CUTTING

First, consider the desired height of the flush

cut. For flooring installation, add up the

thickness of your flooring adhesive, the flooring

itself, and any underlayments or other material

that will add to the thickness of the finished floor

(Fig. 13).

1. Install the flush cutting wheel on the tool as

described in “Flush Cutting Wheel Assembly”,

page 9.

2. Adjust the depth of the wheel to the desired

depth setting.

3. Turn the tool on it’s side so that the flush cut

foot rests against the flooring.

4. Firmly grip the tool. Turn tool on and allow it

to come to full speed before entering

workpiece.

5. Complete your cut and remove the tool from

the workpiece before turning the tool off.

FIG. 13

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 13

RIP CUTS

(Optional attachment)

Rip cuts are easy to do with a straight edge

guide (Fig. 17). Straight edge guide is available

as an accessory. To attach, insert straight edge

guide, insert fence through slots in foot to

desired width as shown and secure with the set

screw.

FIG. 17

SET

SCREW

DESIRED

WIDTH OF

CUT

STRAIGHT

EDGE GUIDE

CUTTING LARGE SHEETS

When making cuts longer than 2 feet in material

such as plywood, tool may become hot. To

avoid this, let the tool rest in between cutting.

Large sheets and long boards sag or bend,

depending on support. If you attempt to cut

without leveling and properly supporting the

piece, the wheel will tend to bind, causing KICK-

BACK and extra load on the motor (Fig. 14).

Support the panel or board close to the cut, as

shown in (Fig. 15). Be sure to set the depth of

the cut so that you cut through the sheet or

board only and not the table or work bench. The

two-by-fours used to raise and support the work

should be positioned so that the broadest sides

support the work and rest on the table or bench.

Do not support the work with the narrow sides

as this is an unsteady arrangement. If the sheet

or board to be cut is too large for a table or work

bench, use the supporting two-by-fours on the

floor and secure.

-14-

EDGE GUIDE

(Optional attachment)

The straight edge guide is used for cuts

parallel to the edge of the work, and can be

used from either side of the foot plate for

cutting on the left or right side of the material.

NOTE: When using the straight edge guide on

the left side or right side of the tool, position

guide as shown (Fig. 16).

FIG. 14 FIG. 15

WRONG

RIGHT

FIG. 16

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 14

-15-

RIP BOARD GUIDE

When rip cutting large sheets, the straight

edge guide may not allow the desired width of

cut. Clamp or nail a straight piece of 1" (25

mm) lumber to the sheet as a guide (Fig. 18).

Use the left side of the foot against the board

guide.

DESIRED

WIDTH OF

CUT

RIP BOARD

GUIDE

FIG. 18

MODEL SM842 2 X 4 CUTTING GUIDE

(Optional Accessory)

The Dremel SM20 and the 2x4 Cutting Guide

can be used to quickly and accurately make

cuts in 2 x 4 lumber. Since the depth of cut is

less than the thickness of a 2 x 4 one cut on

each side of the wood will be required to

complete a cut through the work piece.

1. Measure and mark the desired cut line on

the piece of wood.

2. Slide the 2 x 4 Cutting Guide over the wood

in the designated location of the cut.

Note: When using the standard wheel

measure a 1” offset to properly align the guide

to the offset indicator in the cutting guide.

While using the flush cut wheel, line the fence

of the tool up with the cut line.

3. Clamp the cutting guide to the work piece in

the desired location to make the cut.

4. Firmly hold the tool and use the edge of the

guide as a fence and make the first cut,

(Fig. 19)

5. Flip the work piece over while leaving the

cutting guide clamped in place and make a

second cut to complete the cut through the

2 x 4, (Fig. 20)

FIG. 19

FIG. 20

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 15

SM846 CHOP SAW ATTACHMENT

The Dremel SM846 chop saw attachment is

intended for use when cutting cylindrical

objects such as threaded rod, wire shelving

and wooden rods up to ½” in diameter. This

attachment will help control your cut by using

the support tabs to rest the material against

while cutting in a chopping motion.

When using the attachment to cut objects with

larger diameters or when using the SM510

Metal Cutting wheel, you won’t always make it

through the material with one cut. The SM510

Metal Cutting wheel will decrease in diameter

as it’s used, reducing the cutting capacity. In

these instances, you will need to make your

first cut and then reposition your material to

finish the cut.

To install the attachment:

1. Unplug your tool.

2. Turn your SM20 tool over so that the foot is

facing up.

3. Insert attachment into the foot as shown in

figure 21.

4. Tighten screw into the attachment with allen

wrench provided with tool kit as shown in

figure 21.

Instructions for use:

1. Clamp work piece so that it is secure.

2. Loosen the Depth Adjustment Lever so that

the spring loaded foot releases and goes to

zero depth setting. Leave the Depth

Adjustment Lever loose during this cut.

3. Place both tabs of attachment against

clamped work piece before starting tool as

shown in figure 22.

4. Start tool and cut material in a chopping

motion until you are finished making the cut

as shown in figure 23.

5. If you need to make a second cut to get

through the material, turn off tool and rotate

the work piece 90 degrees in your clamp.

6. Once secured in your clamp, finish cutting

through your material with a second cut.

-16-

FIG. 21

FIG. 22

FIG. 23

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 16

-17-

MODEL SM840 MITER GUIDE

(Optional Attachment)

The Dremel Saw-Max, Miter Guide and Flush

Cutting Wheel is a perfect combination to

make miter, bevel, and straight cuts in

baseboard, trim, and molding, (Fig. 28). Angle

indicators also aid in making accurate cuts for

other common angles like 15°, 22.5° or 30°.

1. Measure and mark the desired cut line on

the piece of wood.

2. Position the Miter Guide over the wood in

the designated location of the cut.

3. Clamp the cutting guide to the workpiece in

the desired location to make the cut.

4. Firmly hold the tool and make the cut.

1. 45° Miter Cuts- use the angled edge of the

cutting guide as the fence, (Fig. 24).

Ensure the tool is properly

seated in the guide before

starting the tool and use caution when

stopping the tool within the cutting rail to

ensure that the cutting wheel does not come

into contact with the cutting guide.

Miter Cuts (15°, 22.5° or 30°)- Pivot the

cutting guide at the designated corner to the

desired angle using the angle indicator

marking on the cutting guide, complete the cut

using the outside edge of the cutting guide as

the fence, (Fig. 24).

2. 45° Bevel Cuts- While using the flush

cutting wheel only, place the saw in the cutting

rail to complete the cut, (Fig. 25).

The guide positions the saw to make bevel

cuts in workpieces up to 9/16" thick. To make

a cut, first position the tool into the rail so the

back of the tool’s foot fits into the keying

feature. Switch on the tool and proceed to

make the cut. Stop the tool before removing

from guide, (Fig. 27).

Determine if a Inside Left, Outside Left, Inside

Right, or Outside Right cut is required and

orient the workpiece. Positions A, B, C, or D.

3. Straight Cuts- use the outside edge of the

cutting guide as the fence, (Fig. 26)

FIG. 24

FIG. 26

FIG. 25

FIG. 27

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 17

-18-

Extension Cords

Service

NO USER SERVICE -

ABLE PARTS INSIDE.

Preventive maintenance performed by un -

au thorized 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 Dremel Service Facility.

CARBON BRUSHES

The brushes and commutator in your tool have

been engineered for many hours of dependable

service. To maintain peak efficiency of the

motor, we recommend that the brush es be

serviced by a Dremel Service Facility.

Cleaning

To avoid accidents

always dis connect the

tool from the power supply before

cleaning or performing any main tenance.

The tool may be cleaned most effectively

with compressed dry air. Always wear

safety gog gles when cleaning tools with

compressed air.

Ventilation openings and switch levers must

be kept clean and free of foreign matter. Do

not at tempt to clean by inserting pointed

objects through openings.

Certain cleaning agents

and sol vents damage

plastic parts. Some of these are: gasoline,

carbon tetrachlo ride, chlo rinated cleaning

solvents, ammonia and house hold

detergents that contain ammonia.

Maintenance Information

FIG. 28

45° Miter Cuts

45° Bevel Cuts Straight Cuts

If an extension cord is

necessary, a cord with

adequate size conductors that is capable

of carrying the current necessary for your

tool must be used. This will prevent

excessive voltage drop, loss of power or

overheating. Grounded tools must use 3-wire

extension cords that have 3-prong plugs and

receptacles.

NOTE: The smaller the gauge number, the

higher the cord capacity.

RECOMMENDED SIZES OF EXTENSION CORDS

120 VOLT ALTERNATING CURRENT TOOLS

Tool’s

Ampere

Rating

Cord Size in A.W.G. Wire Sizes in mm2

Cord Length in Feet Cord Length in Meters

25 50 100 150 15 30 60 120

3-6

6-8

8-10

10-12

12-16

18

16

14

16

12

16

14

–

14

12

–

0.75

1.0

–

0.75

1.0

2.5

–

1.5

2.5

4.0

–

2.5

4.0

–

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 18

-19-

Wood & Plastic Carbide Wheel

SM500

Abrasive cutting wheel with carbide grit

which is intended to cut wood and other soft

materials.

Metal Cut-off Wheel

SM510

Reinforced Type 1 Abrasive cut-off

wheel which is intended to cut a variety of

materials such as metal and plastic.

Masonry Cut-off Wheel

SM520

Reinforced Type 1 Abrasive cut-off

wheel which is intended to make sore cuts in

masonry and stone.

Diamond Wheel

SM540

Diamond abrasive wheel which is

intended to make cuts in hard materials such

as marble, concrete, brick, porcelain, and tile.

Wood & Plastic Flush Cut

Carbide Wheel

SM600

Offset abrasive cutting wheel with carbide grit

which is intended to cut wood and other soft

materials.

Dremel SM20 Accessories

Use only Dremel SM20, high-performance accessories. Other accessories

are not designed for this tool and may lead to personal injury or property

damage.

Store accessories in a dry and temperate environment to avoid corrosion and deterioration.

Material

SM500

Carbide

Wheel

SM510

Metal

Cut-off

Wheel

SM520

Masonry

Cut-off

Wheel

SM540

Diamond

Wheel

SM600

Flush Cut

Wheel

Wood

Plywood X X

Pine X X

Poplar X X

Oak X X

Composite (OSB, fiberboard) X X

Laminate flooring X X

Drywall Drywall X X

Metal

Copper Pipe X

Conduit X

Coated Wire shelving X

HVAC X

Aluminum sheet, gutter,

fascia X

Galvanized sheet metal X

Threaded rod X

Plastic

Plexiglass (sheet plastic) X X X

Vinyl siding, gutter X X X

PVC pipe X X X

Tile Wall Tile X

Floor Tile X

Masonry

Brick Fascia X X

Cement board X X

Pavers X

Other Fiberglass X X

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 19

-20-

Trouble Shooting

Read instruction manual first! Remove plug from the power source before

making adjustments or assembling the wheel.

TROUBLE: TOOL WILL NOT START

PROBLEM 1. Power cord is not plugged in.

2. Power source fuse or circuit breaker tripped.

3. Cord damaged.

4. Burned out switch.

5. Paddle switch does not turn tool on.

REMEDY 1. Plug tool in.

2. Replace fuse or reset tripped circuit breaker.

3. Inspect cord for damage. If damaged, have cord replaced by a Dremel Service

Facility.

4. Have switch replaced by a Dremel Service Facility.

5. Lock-Off feature not activated.

TROUBLE: WHEEL DOES NOT COME UP TO SPEED

PROBLEM 1. Extension cord too light or too long.

2. Low house voltage.

REMEDY 1. Replace with adequate cord.

2. Contact your electric company.

TROUBLE: EXCESSIVE VIBRATION

PROBLEM 1. Wheel out of balance.

2. Workpiece not clamped or supported properly.

REMEDY 1. Discard wheel and use different wheel.

2. Clamp or support workpiece as shown on pages 13 and 14.

TROUBLE: CUT BINDS, BURNS, STALLS MOTOR WHEN RIPPING

PROBLEM 1. Dull wheel.

2. Warped board.

3. Wheel binds.

4. Improper workpiece support.

REMEDY 1. Discard wheel and use a different wheel. Or clean debris from carbide grit with a

wire brush.

2. Make sure concave or hollow side is facing “DOWN” feed slowly, see page 13.

3. Assemble wheel and tighten Lock Bolt per “Assembly Instructions”, see page 9.

Or only attempt to make straight cuts.

4. Clamp or support workpiece as shown on pages 13 and 14.

TROUBLE: WHEEL MARKS FLOORING WHILE FLUSH CUTTING

PROBLEM 1. Bent or warped wheel.

REMEDY 1. Discard wheel and use different wheel.

2610049812 09-07-2017.qxp_SM20 9/7/17 11:00 AM Page 20

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Dremel SM20 Manuel utilisateur

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