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IMPORTANT: IMPORTANT : IMPORTANTE:Read Before Using Lire avant
usage Leer antes de usar
For English Version Version franaise Versin en espaolSee page 2
Voir page 31 Ver la pgina 61
Operating/Safety InstructionsConsignes de
scurit/dutilisationInstrucciones de funcionamiento y seguridad
1-800-4-DREMEL (1-800-437-3635) www.dremel.com
Call Toll Free forConsumer Information& Service
Locations
Pour obtenir des informationset les adresses de nos centres
de service aprs-vente,appelez ce numro gratuit
Llame gratis paraobtener informacinpara el consumidor y
ubicaciones de servicio
P.O. Box 081126 Racine, WI 53408-1126
28
15 10 5
20
0
Micro8050
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 1
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2Work area safetyKeep work area clean and well lit. Clutteredor
dark areas invite accidents.
Do not operate power tools in explosiveatmospheres, such as in
the presence offlammable liquids, gases or dust. Powertools create
sparks which may ignite the dustor fumes.
Keep children and bystanders away whileoperating a power tool.
Distractions cancause you to lose control.
Electrical safetyPower tool plugs must match the outlet.Never
modify the plug in any way. Do notuse any adapter plugs with
earthed(grounded) power tools. Unmodified plugsand matching outlets
will reduce risk of electricshock.
Avoid body contact with earthed or groundedsurfaces such as
pipes, radiators, rangesand refrigerators. There is an increased
riskof electric shock if your body is earthed orgrounded.
Do not expose power tools to rain or wetconditions. Water
entering a power tool willincrease the risk of electric shock.
Do not abuse the cord. Never use the cordfor carrying, pulling
or unplugging the powertool. Keep cord away from heat, oil,
sharpedges or moving parts. Damaged or entangledcords increase the
risk of electric shock.
When operating a power tool outdoors,use an extension cord
suitable for outdooruse. Use of a cord suitable for outdoor
usereduces the risk of electric shock.
If operating the power tool in damp locationsis unavoidable, use
a Ground Fault CircuitInterrupter (GFCI) protected supply. Use ofan
GFCI reduces the risk of electric shock.
Personal safetyStay alert, watch what you are doing anduse
common sense when operating a
power tool. Do not use a power tool whileyou are tired or under
the influence of drugs,alcohol or medication. A moment of
inattentionwhile operating power tools may result inserious
personal injury.
Use personal protective equipment. Alwayswear eye protection.
Protective equipmentsuch as dust mask, non-skid safety shoes,
hardhat, or hearing protection used for appropriateconditions will
reduce personal injuries.
Prevent unintentional starting. Ensure theswitch is in the
off-position beforeconnecting to power source and / or batterypack,
picking up or carrying the tool.Carrying power tools with your
finger on theswitch or energizing power tools that have theswitch
on invites accidents.
Remove any adjusting key or wrench beforeturning the power tool
on. A wrench or a keyleft attached to a rotating part of the
powertool may result in personal injury.
Do not overreach. Keep proper footing andbalance at all times.
This enables bettercontrol of the power tool in
unexpectedsituations.
Dress properly. Do not wear loose clothingor jewelry. Keep your
hair, clothing andgloves away from moving parts. Looseclothes,
jewelry or long hair can be caught inmoving parts.
If devices are provided for the connectionof dust extraction and
collection facilities,ensure these are connected and properlyused.
Use of dust collection can reduce dust-related hazards.
Power tool use and careDo not force the power tool. Use the
correctpower tool for your application. The correctpower tool will
do the job better and safer atthe rate for which it was
designed.
Do not use the power tool if the switch doesnot turn it on and
off. Any power tool thatcannot be controlled with the switch
isdangerous and must be repaired.
Read all safety warnings and all instructions. Failure to follow
the warningsand 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 orbattery-operated (cordless)
power tool.
! WARNING
General Power Tool Safety Warnings
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 2
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3Disconnect the plug from the power sourceand/or the battery
pack from the power toolbefore making any adjustments,
changingaccessories, or storing power tools. Suchpreventive safety
measures reduce the risk ofstarting the power tool
accidentally.
Store idle power tools out of the reach ofchildren and do not
allow persons unfamiliarwith the power tool or these instructions
tooperate the power tool. Power tools aredangerous in the hands of
untrained users.
Maintain power tools. Check for misalignmentor binding of moving
parts, breakage ofparts and any other condition that mayaffect the
power tools operation. If damaged,have the power tool repaired
before use.Many accidents are caused by poorlymaintained power
tools.
Keep cutting tools sharp and clean. Properlymaintained cutting
tools with sharp cuttingedges are less likely to bind and are
easier tocontrol.
Use the power tool, accessories and toolbits etc. in accordance
with these instructions,taking into account the working
conditionsand the work to be performed. Use of thepower tool for
operations different from thoseintended could result in a hazardous
situation.
Battery tool use and careRecharge only with the charger
specifiedby the manufacturer. A charger that issuitable for one
type of battery pack maycreate a risk of fire when used with
anotherbattery pack.
Use power tools only with specificallydesignated battery packs.
Use of any otherbattery packs may create a risk of injury
andfire.
When battery pack is not in use, keep itaway from other metal
objects like paperclips, coins, keys, nails, screws, or othersmall
metal objects that can make aconnection from one terminal to
another.Shorting the battery terminals together maycause burns or a
fire.
Under abusive conditions, liquid may beejected from the battery,
avoid contact. Ifcontact accidentally occurs, flush withwater. If
liquid contacts eyes, additionallyseek medical help. Liquid ejected
from thebattery may cause irritation or burns.
ServiceHave your power tool serviced by a qualifiedrepair person
using only identicalreplacement parts. This will ensure that
thesafety of the power tool is maintained.
Safety Rules for Rotary Tools
Safety warnings common forgrinding, sanding, wire brushing,
polishing, carving or abrasivecutting-off operations:
This power tool is intended to function as agrinder, sander,
wire brush, polisher,carving or cut-off tool. Read all
safetywarnings, instructions, illustrations andspecifications
provided with this powertool. Failure to follow all instructions
listedbelow may result in electric shock, fire and/orserious
injury.
Do not use accessories which are notspecifically designed and
recommended bythe tool manufacturer. Just because theaccessory can
be attached to your power tool,it does not assure safe
operation.
The rated speed of the accessory must beat least equal to the
operating speedsetting marked on the power tool.Accessories running
faster than their RATEDSPEED can break and fly apart.
The outside diameter and the thickness ofyour accessory must be
within the capacityrating of your power tool. Incorrectly
sizedaccessories cannot be adequately guarded orcontrolled.
The arbor size of wheels, sanding drums orany other accessory
must properly fit thespindle or collet of the power
tool.Accessories that do not match the mountinghardware of the
power tool will run out ofbalance, vibrate excessively and may
causeloss of control.
Mandrel mounted wheels, sanding drums,cutters or other
accessories must be fullyinserted into the collet or chuck. If
themandrel is insufficiently held and/or theoverhang of the wheel
is too long, the mountedwheel may become loose and be ejected
athigh velocity.
Do not use a damaged accessory. Beforeeach use inspect the
accessory such asabrasive wheels for chips and cracks,
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 3
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4Safety Rules for Rotary Tools - (cont.)
sanding drum for cracks, tear or excesswear, wire brush for
loose or cracked wires.If power tool or accessory is
dropped,inspect for damage or install an undamagedaccessory. After
inspecting and installingan accessory, position yourself
andbystanders away from the plane of the rotating accessory and run
the power toolat maximum no-load speed for one minute.Damaged
accessories will normally break apartduring this test time.
Wear personal protective equipment.Depending on application, use
face shield,safety goggles or safety glasses. Asappropriate, wear
dust mask, hearingprotectors, gloves and workshop aproncapable of
stopping small abrasive orworkpiece fragments. The eye
protectionmust be capable of stopping flying debrisgenerated by
various operations. The dustmask or respirator must be capable of
filtratingparticles generated by your operation.Prolonged exposure
to high intensity noise maycause hearing loss.
Keep bystanders a safe distance away fromwork area. Anyone
entering the work areamust wear personal protective
equipment.Fragments of workpiece or of a brokenaccessory may fly
away and cause injurybeyond immediate area of operation.
Hold power tool by insulated grippingsurfaces only, when
performing anoperation where the cutting accessory maycontact
hidden wiring. Cutting accessorycontacting a live wire may make
exposedmetal parts of the power tool live and couldgive the
operator an electric shock.
Always hold the tool firmly in your hand(s)during the start-up.
The reaction torque of themotor, as it accelerates to full speed,
can causethe tool to twist.
Use clamps to support workpiece wheneverpractical. Never hold a
small workpiece inone hand and the tool in the other handwhile in
use. Clamping a small workpieceallows you to use your hand(s) to
control thetool. Round material such as dowel rods, pipesor tubing
have a tendency to roll while beingcut, and may cause the bit to
bind or jumptoward you.
Position the cord clear of the spinningaccessory. If you lose
control, the cord may becut or snagged and your hand or arm may
bepulled into the spinning accessory.
Never lay the power tool down until theaccessory has come to a
complete stop.The spinning accessory may grab the surfaceand pull
the power tool out of your control.
After changing the bits or making anyadjustments, make sure the
collet nut,chuck or any other adjustment devices aresecurely
tightened. Loose adjustment devicescan unexpectedly shift, causing
loss of control,loose rotating components will be
violentlythrown.
Do not run the power tool while carrying itat your side.
Accidental contact with thespinning accessory could snag your
clothing,pulling the accessory into your body.
Regularly clean the power tools air vents.The motors fan will
draw the dust inside thehousing and excessive accumulation
ofpowdered metal may cause electrical hazards.
Do not operate the power tool nearflammable materials. Sparks
could ignitethese materials.
Do not use accessories that require liquidcoolants. Using water
or other liquid coolantsmay result in electrocution or shock.
Kickback and Related WarningsKickback is a sudden reaction to a
pinched orsnagged rotating wheel, backing pad, brush orany other
accessory. Pinching or snaggingcauses rapid stalling of the
rotating accessorywhich in turn causes the uncontrolled powertool
to be forced in the direction opposite of theaccessorys
rotation.
For example, if an abrasive wheel is snaggedor pinched by the
workpiece, the edge of thewheel that is entering into the pinch
point candig into the surface of the material causing thewheel to
climb out or kickout. The wheel mayeither jump toward or away from
the operator,depending on direction of the wheelsmovement at the
point of pinching. Abrasivewheels may also break under these
conditions.
Kickback is the result of power tool misuseand/or incorrect
operating procedures orconditions and can be avoided by taking
properprecautions as given below.
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 4
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30
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
502, 503, 504, 25-30 18-24 5-8 25-30 18-30 - - -505
Flapwheels
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
511E, 512E 12-15 12-15 9-11 12-15 12-15 - - -
Finishing Abrasive Buffs
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
150 25-30 18-30 5-11 - 12-17 - - -
Drill Bit
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
569,570 For Use on Wall and Floor Grout - 12-24 -
Grout Removal Bits
Speed Settings (Continued)
* Speed for light cuts; Caution - burning on deep grooves.
Depending on cutting direction relative to grain.
Note: Each number settings listed in the speed charts = x 1000
RPMs
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
EZ471SA, 5-17 5-17 5-11 5-17 5-17 - - -EZ472SA,EZ473SA
Detail Abrasive Brushes
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
662DR, - - - - - 5-17 5-17 5-17663DR
Glass Drilling Bits
DM 2610031565 05-14-v8_8050 5/13/14 11:46 AM Page 30
5
Safety Rules for Rotary Tools - (cont.)
Maintain a firm grip on the power tool andposition your body and
arm to allow you toresist kickback forces. The operator cancontrol
torque reactions or kickback forces, ifproper precautions are
taken.
Use special care when working corners,sharp edges etc. Avoid
bouncing andsnagging the accessory. Corners, sharpedges or bouncing
have a tendency to snag therotating accessory and cause loss of
control orkickback.
Do not attach a toothed saw blade. Suchblades create frequent
kickback and loss ofcontrol.
Always feed the bit into the material in thesame direction as
the cutting edge is exitingfrom the material (which is the
samedirection as the chips are thrown). Feedingthe tool in the
wrong direction causes thecutting edge of the bit to climb out of
the workand pull the tool in the direction of this feed.
When using rotary files, cut-off wheels,high-speed cutters or
tungsten carbidecutters, always have the work securelyclamped.
These wheels will grab if theybecome slightly canted in the groove,
and cankickback. When a cut-off wheel grabs, thewheel itself
usually breaks. When a rotary file,high-speed cutter or tungsten
carbide cuttergrabs, it may jump from the groove and youcould lose
control of the tool.
Safety warnings specific for grindingand abrasive cutting-off
operations:
Use only wheel types that arerecommended for your power tool and
onlyfor recommended applications. Forexample: do not grind with the
side of a cut-off wheel. Abrasive cut-off wheels are intendedfor
peripheral grinding, side forces applied tothese wheels may cause
them to shatter.
For threaded abrasive cones and plugs useonly undamaged wheel
mandrels with anunrelieved shoulder flange that are ofcorrect size
and length. Proper mandrels willreduce the possibility of
breakage.
Do not jam a cut-off wheel or applyexcessive pressure. Do not
attempt to makean excessive depth of cut. Overstressing thewheel
increases the loading and susceptibilityto twisting or snagging of
the wheel in the cutand the possibility of kickback or
wheelbreakage.
Do not position your hand in line with andbehind the rotating
wheel. When the wheel,at the point of operation, is moving away
fromyour hand, the possible kickback may propelthe spinning wheel
and the power tool directlyat you.
When wheel is pinched, snagged or wheninterrupting a cut for any
reason, switch offthe power tool and hold the power toolmotionless
until the wheel comes to acomplete stop. Never attempt to remove
thecut-off wheel from the cut while the wheel isin motion otherwise
kickback may occur.Investigate and take corrective action
toeliminate the cause of wheel pinching orsnagging.
Do not restart the cutting operation in theworkpiece. Let the
wheel reach full speedand carefully re-enter the cut. The wheel
maybind, walk up or kickback if the power tool isrestarted in the
workpiece.
Support panels or any oversized workpieceto minimize the risk of
wheel pinching andkickback. Large workpieces tend to sag undertheir
own weight. Supports must be placedunder the workpiece near the
line of cut andnear the edge of the workpiece on both sides ofthe
wheel.
Use extra caution when making a pocketcut into existing walls or
other blind areas.The protruding wheel may cut gas or waterpipes,
electrical wiring or objects that can causekickback.
Safety warnings specific for wirebrushing operations:
Be aware that wire bristles are thrown bythe brush even during
ordinary operation.Do not overstress the wires by applyingexcessive
load to the brush. The wire bristlescan easily penetrate light
clothing and/or skin.
Allow brushes to run at operating speed forat least one minute
before using them.During this time no one is to stand in frontor in
line with the brush. Loose bristles orwires will be discharged
during the run-in time.
Direct the discharge of the spinning wirebrush away from you.
Small particles and tinywire fragments may be discharged at
highvelocity during the use of these brushes andmay become imbedded
in your skin.
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 5
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29
Speed Settings (Continued)
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
453, 454, - - - 25-30 - - - -455
Chain Saw Sharpening Stones
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
461, 462, 463 - - - 18-24 18-24 18-24 18-24 18-24414, 422, 429 -
- - 12-17 12-17 12-17 12-17 12-17425, 427 - - - 18-24 18-24 - -
-423E - - - 12-24 5-8 5-8 5-8 12-24
Polishing Accessories
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
430, 431, 438 5-30 5-30 5-17 25-30 25-30 5-30 5-30 -439, 440,
444 5-30 5-30 5-17 25-30 25-30 5-30 5-30 -407, 408, 432 5-30 5-30
5-17 25-30 25-30 5-30 5-30 -411, 412, 413 12-17 12-17 5-8 - 5-8 - -
-
Sanding Bands and Discs
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
409, 420, 426 - - 15 25-30 25-30 25-30 25-30 -540, EZ409543,
EZ544 25-30 18-30 15 - - - - -545, EZ545 18-30 18-24 - - - 12-24
12-24 -560 For use on drywall. For best results, use at 30,000
rpm.561 12-30 12-30 15 - 25-30 - - -562 - - - - - - 25-30EZ456 - -
- 25-30 25-30 - - -EZ476 - - 15 - - - - -
Cutting Accessories
* Speed for light cuts; Caution - burning on deep grooves.
Depending on cutting direction relative to grain.
Note: Each number settings listed in the speed charts x 1000
RPMs
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
403, 404, 405 9-11 9-11 5-11 12-15 5-8 - - -428, 442, 443 9-11
9-11 5-8 9-11 9-11 - - -530, 531, 532 - 9-11 - 9-11 - - - -535,
536, 537 9-11 9-11 - 9-11 9-11 9-11 - -
Wire Brushes
DM 2610031565 05-14-v8_8050 5/13/14 11:46 AM Page 29
6
Additional Safety Warnings
GFCI and personal protection devices likeelectricians rubber
gloves and footwear willfurther enhance your personal safety.
Do not use AC only rated tools with a DCpower supply. While the
tool may appear towork, the electrical components of the ACrated
tool are likely to fail and create a hazardto the operator.
Keep handles dry, clean and free from oiland grease. Slippery
hands cannot safelycontrol the power tool.
Develop a periodic maintenance schedulefor your tool. When
cleaning a tool becareful not to disassemble any portion ofthe tool
since internal wires may bemisplaced or pinched or safety guard
returnsprings may be improperly mounted.Certain cleaning agents
such as gasoline,carbon tetrachloride, ammonia, etc. maydamage
plastic parts.
Ensure the switch is in the off positionbefore inserting battery
pack. Inserting thebattery pack into power tools that have
theswitch on invites accidents.
Some dust created by powersanding, sawing, grinding,
drilling, and other construction activitiescontains 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 andother masonry
products, and
Arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies,depending on how often you
do this type ofwork. To reduce your exposure to thesechemicals:
work in a well ventilated area, andwork with approved safety
equipment, such asthose dust masks that are specially designedto
filter out microscopic particles.
! WARNING
FCC Caution:
The manufacturer is not responsible for radiointerference caused
by unauthorizedmodifications to this equipment. Suchmodifications
could void the users authorityto operate the equipment.
This device complies with Part 15 of the FCCRules. Operation is
subject to the following twoconditions:
1) This device may not cause harmfulinterference, and
2) This device must accept any interferencereceived, including
interference that maycause undesired operation.
NOTE! This equipment has been tested andfound to comply with the
limits for a Class Bdigital devices, pursuant to Part 15 of the
FCCrules. These limits are designed to providereasonable protection
against harmfulinterference in a residential installation.
Thisequipment generates uses and can radiate
radio frequency energy and, if not installed andused in
accordance with the instructions, maycause harmful interference to
radiocommunications. However, there is noguarantee that
interference will not occur in aparticular installation. If this
equipment doescause harmful interference to radio ortelevision
reception, which can be determinedby turning the equipment off and
on, the user isencouraged to try to correct the interference byone
or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between theequipment and receiver.
Connect the equipment into an outlet on acircuit different from
that to which thereceiver is connected.
Consult the dealer or an experiencedradio/TV technician for
help.
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28
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
9901, 9902, 25-30 18-24 9-11 25-30 12-17 18-24 18-30 18-309903,
9904,9905, 9906,9909, 9910,9911, 9912
Speed Settings (Continued)
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
612, 640 25-30* 18-24 - - - - - -
615, 617, 618, 25-30* 25-30 - - - - - -650, 652, 654 25-30*
18-24 - - - - - -
High Speed Router Bits
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
83142, 83322, - - 12-17 25-30 9-11 12-17 25-30 25-3083702,
84922,85422, 85602,85622
Silicon Carbide Grinding Stones (blue/green)
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
516 9-17 9-17 - 18-24 12-17 - - -500 9-17 9-17 - 8-24 9-17 - -
-EZ541GR - - - 12-24 9-17 - - -
Abrasive Wheels/Points
Tungsten Carbide Cutters
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
541,903, 911, 25-30 25-30 - 18-24 9-11 12-17 25-30 -921, 932,
941, 945, 952, 953, 954, 971, 997, 8153, 8175, 8193, 8215
Aluminum oxide grinding stones (orange/bown)
* Speed for light cuts; Caution - burning on deep grooves.
Depending on cutting direction relative to grain.
Note: Each number settings listed in the speed charts = x 1000
RPMs
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7
1. This manual contains instructions forbattery charger model
887. Do not substituteany other charger.
2. Before using battery charger, read allinstructions and
cautionary markings onbattery charger and product using
battery.
3. Charge only Dremel Micro. Other types ofcordless tools may
burst causing personalinjury and damage.
4. Charge tool in temperatures above +32degrees F (0 degrees C)
and below +113degrees F (45 degrees C). Store tool inlocations
where temperatures will notexceed 120 degrees F (49 degrees C).
This isimportant to prevent serious damage to thebattery cells.
5. Do not recharge tool in damp or wetenvironment. Do not expose
charger to rainor snow. Water entering battery charger mayresult in
electric shock or fire.
6. Battery leakage may occur under extremeusage or temperature
conditions. Avoidcontact with skin and eyes. The battery liquidis
caustic and could cause chemical burns totissues. If liquid comes
in contact with skin,wash quickly with soap and water. If the
liquidcontacts your eyes, flush them with water for aminimum of 10
minutes and seek medicalattention.
7. Place charger on flat nonflammablesurfaces and away from
flammablematerials when recharging tool. Carpetingand other heat
insulating surfaces block properair circulation which may cause
overheating ofthe charger and tool. If smoke or melting of
thecharger or tool is observed, unplug the chargerimmediately and
do not use the tool or charger.Contact customer service
immediately.
8. Make sure cord is located so that it willnot be stepped on,
tripped over, orotherwise subjected to damage or stress.Damaged
plug and cord may result in electricshock or fire.
9. Disconnect the charger by pulling theplug rather than the
cord. Do not operatecharger with damaged cord or plug; havethem
replaced immediately. Damaged plug orcord may result in electric
shock or fire.
10. Do not insert tool in charger if toolhousing is cracked.
Using damaged tool mayresult in electric shock or fire.
11. Do not disassemble charger or operatethe charger if it has
received a sharp blow,been dropped or otherwise damaged inanyway.
Incorrect reassembly or damage mayresult in electric shock or
fire.
12. Before each use, check the batterycharger, cable and plug.
If damage isdetected, do not use the battery charger.Never open the
battery charger yourself,take it to a Dremel Factory Service
Center,or qualified serviceman only using originalspare parts.
Incorrect reassembly may resultin electric shock or fire.
13. Dremel Micro does not accept anyattachment.
14. Do not store tool in charger. Tool storedin charger over a
long period of time could leadto battery pack damage and fire.
15. Unplug charger from outlet beforestorage, attempting any
maintenance orcleaning. Such preventive safety measuresreduce the
risk of electric shock or fire.
16. Keep the battery charger clean byblowing compressed air on
charger ventsand wiping the charger housing with adamp cloth.
Contamination may result inelectric shock or fire.
17. If substantial drop in operating time percharge is observed
the tool battery may benearing the end of its life. Take the tool
to aDremel factory service center or qualifiedserviceman to replace
battery with Dremeloriginal spare parts.
Charger Safety Rules
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 7
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27
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
7103, 7105, 25-30 18-24 - - - 25-30 25-30 25-307117, 7120,7122,
7123,7134, 7144
Diamond Wheel Points
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
9931, 9932, 25-30 18-24 9-11 - 12-17 - - -9933, 9934,9935,
9936
Structured Tooth Tungsten Carbide Cutters
* Speed for light cuts; Caution - burning on deep grooves.
Depending on cutting direction relative to grain.
Note: Each number settings listed in the speed charts = x 1000
RPMs
Speed Settings
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
100, 121, 131 25-30 25-30 12-17 12-17 18-24 - - -114, 124, 25-30
12-17 9-11 12-17 12-17 - - -134, 144190 25-30 25-30 9-11 12-17
25-30 - - -118, 191, 192, 25-30 25-30 9-11 12-17 25-30 - - -193,
194116, 117, 25-30 12-17 9-11 12-17 12-17 - - -125, 196115 25-30
25-30 9-11 12-17 12-17 - - -198 25-30 18-24 9-11 12-17 12-17 - -
-199 25-30 18-24 9-11 12-17 12-17 - - -
High Speed Cutters
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic
GlassNumber Wood Wood /Plastic Brass, etc. Stone
105, 108 25-30 25-30 18-24 9-11 12-17 - - -106, 109, 25-30 25-30
12-17 9-11 12-17 - - -107, 110 25-30 25-30 12-17 9-11 12-17 - -
-111 25-30* 25-30* 18-24* 9-11 12-17 - - -112 25-30* 25-30* 12-17*
9-11 12-17 - - -113 25-30* 25-30* 12-17* 9-11 12-17 - - -
Engraving Cutters
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8
When tool is not incharger, keep it away from
metal objects. For example, to protectterminals from shorting,
DONOT place tool ina tool box or pocket with nails, screws,
keys,etc. Fire or injury may result.
DO NOT PUT TOOL INTO FIRE ORExPOSE TO HIGH HEAT. It may
explode.
! WARNING
Battery Care
Battery Disposal
Do not attempt to disas-semble the tool or remove
any com ponent projecting from the tool.Fire or injury may
result. Prior to disposal,protect exposed terminals with
heavyinsulating tape to prevent shorting.
LITHIUM-ION BATTERIESIf equipped with a lithium-ion battery, the
batterymust be collected, recycled or disposed of inan environ
mentally sound manner.
The EPA certified RBRCBattery Recycling Seal on thelithium-ion
(Li-ion) batteryindicates Robert Bosch ToolCorporation is
voluntarilyparticipating in an industry
program to collect and recycle these batteriesat the end of
their useful life, when taken outof service in the United States or
Canada. TheRBRC program provides a convenientalterative to placing
used Li-ion batteries intothe trash or the munici pal waste stream,
whichmay be illegal in your area.
Please call 1-800-8-BATTERY for informationon Li-ion battery
recycling and disposalbans/restrictions in your area, or return
yourbatteries to a Skil/Bosch/Dremel ServiceCenter for recycling.
Robert Bosch ToolCorporations involvement in this program ispart of
our commitment to preserving ourenvironment and conserving our
naturalresources.
Battery Removal InstructionsRun motor until battery iscompletely
discharged before
attempting to remove battery from your tool.
1. Remove collet nut and collet.
2. Remove the six (6) housing screws with aphillips
screwdriver.
3. Remove housing cover by lifting upward atbackend of tool.
4. Disconnect lead wires from battery.
5. Wrap heavy insulating tape around batteryterminals or enclose
in a sealable plasticbag to prevent possible shorting.
6. Dispose of battery through your local wasteremoval authority
or a Skil/Bosch/DremelService Center.
! WARNINGCAUTION!
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26
EZ Drum Mandrel No. EZ407SA has aspring loaded sleeve and is
used with sandingbands.
1. Place EZ Drum mandrel into chuck asdeep as possible as
possible as desscribedon page 10.
Note: there is a blue spacer on the mandrelthat will bottom out
on the EZ Changechuck, setting the mandrel to the correctdepth.
Always make sure the rotarytool is OFF before changing
accessories. Incorrect seating of sanding bandon mandrel may
lead to personal injuryorproperty damage.
To load accessory:2. As indicated, place two fingers
underneath
the mandrel and pull firmly up. This willplace the EZ Drum in
the "unlocked"position (Fig. 1).
3. Keeping two fingers beneath the mandrel,slide the sanding
band down until the entireblue mandrel is covered (Fig. 2).
4. To return to "locked" position, press firmlydown on the top
of the mandrel (Fig. 3).
Removing the sanding band onthe mandrel:
1. Place two fingers underneath the mandreland pull firmly up.
This will place the EZDrum in the "unlocked" position (Fig. 1).
2. Sanding band will now easily slide offmandrel. (Do not
squeeze sanding bandwhen removing from EZ Drum mandrel.This can
lead to rubber band pulling offmandrel and becoming inoperable
(Fig. 3).
FIG. 1
FIG. 2
FIG. 3
! WARNING
EZ Drum Operating Instructions
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9
IMPORTANT: Some of the following symbols may be used on your
tool. Please study themand learn their meaning. Proper
interpretation of these symbols will allow you to operate thetool
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.
n0 No load speed Rotational speed, at no load
n Rated speed Maximum attainable speed
.../min Revolutions or reciprocation Revolutions, strokes,
surface speed,
per minute orbits etc. per minute
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
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
Ni-Cad RBRC seal Designates Ni-Cad battery recycling
program
Read manual symbol Alerts user to read manual
Wear eye protection symbol Alerts user to wear eye
protection
Symbols
0
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25
EZ Lock Mandrel No. EZ402 has a springloaded sleeve and is used
with cutting wheels,abrasive buffs and polishing cloth.
Always make sure the rotarytool is OFF before changing
accessories. Incorrect seating of wheel onmandrel may lead to
personal injury orpropertydamage.
To load accessory:1. Place EZ Lock mandrel into chuck as
deep as possible as described on page 12.
Note: there is a blue spacer on the mandrelthat will bottom out
on the EZ Changechuck, setting the mandrel to the correctdepth.
2. Pull spring-loaded sleeve DOWN towardstool with one hand and
hold. You can bracethe tool on the body or work-bench for
extraleverage (Fig. 1).
3. With the other hand, align bowtie shape oncut-off wheel with
mandrel and make suremetal insert is facing away from the tool
(Fig. 2).
4. Place wheel on the mandrel to a point justbelow the bowtie on
the mandrel and twist90 degrees until the bowtie shape on thewheel
aligns with the sleeve. Releasesleeve. Wheel should lock in place
(Fig. 3).
5. When mounting sanding and polishingaccessories, align bowtie
with metal inserton bottom of accessory (Fig. 4 & 5).
To check for proper seating, hold collet lockbutton and twist
accessory. Accessory will notbe able to rotate on mandrel.
To unload accessory:1. Pull spring-loaded sleeve DOWN toward
tool with one hand (Fig. 1).
2. Hold sleeve down while twisting accessory90 degrees.
3. Remove accessory.
During useAvoid damage to EZ lock mandrel by notletting it
contact the workpiece.
90
FIG. 4
FIG. 5
! WARNING
EZ Lock Operating Instructions
90
FIG. 2
FIG. 3
FIG. 1
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10
This symbol designates that this tool is listed by Underwriters
Laboratories.
This symbol designates that this tool is listed by the Canadian
StandardsAssociation.
This symbol designates that this tool is listed by the Canadian
StandardsAssociation, to United States and Canadian Standards.
This symbol designates that this tool complies to NOM Mexican
Standards.
This symbol designates that this tool is listed by the Intertek
TestingServices, to United States and Canadian Standards.
Symbols (continued)
IMPORTANT: Some of the following symbols may be used on your
tool. Please study themand learn their meaning. Proper
interpretation of these symbols will allow you to operate thetool
better and safer.
This symbol designates that this component is recognized by
UnderwritersLaboratories.
This symbol designates that this tool is listed by Underwriters
Laboratories,to United States and Canadian Standards.
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 10
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24
Mandrel N 402 has a small screw at its tip,and is used with
emery cutting wheels andsanding discs. Higher speeds, usually
maximum, are best for most work, includingcutting steel. Which
is shown here.
Mandrel No. 401 is used with the feltpolishing tip and wheels.
Thread the tip on tothe screw carefully. The felt tip must
thread
down straight on the screw Mandrel, and beturned all the way to
the collar.
To replace a band on the Drum Sander, loosenthe screw without
removing it to contract thedrum then slide the old band off. Slide
the newsanding band on and then expand the drum bytightening the
screw once again.
Before each use, check tomake certain that all
components are assembled to accessoryshank and that the drum is
sufficientlyexpanded to secure the band during use. Ifsanding band
is loose on the drum duringoperation it may fly off and strike you
orbystanders.
! WARNING
Replacing Screw Mandrel Accessories
DM 2610031565 05-14-v8_8050 5/13/14 11:46 AM Page 24
11
Battery tools are always in an operative condition. Be aware of
the possiblehazards.
SAVE THESE INSTRUCTIONS
! WARNING
Micro Cordless Rotary Tool
Model Number 8050
Voltage Rating 7.2V / 8V MAX
No Load Speed n0 5,000-28,000/min
Collet Capacities 1/32, 1/16", 3/32", 1/8"
Functional Description and Specifications
28
15 10 5
20
0
Shaft LockButton
ColletNut
Charger (Charging Base & Power Adapter)
Model Number 887
Charge Time 3 Hrs 45 Min
Voltage Rating 120 V 60 Hz
Amperage Rating 270mA
Battery Chemistry Lithium
On/OffButton
Speed ControlButtons
Battery ChargeLight
ChargingTerminals
Speed Control& Charge
Indicator Lights
VentilationOpenings
Tapered GripZone w/Soft Grip
Frontal LEDlights
ColletWrench
FIG. 1
Micro Cordless Rotary Tool
ChargingBase
Outlet forPower Supply
PowerAdapter
Jack forCharging
Base Outlet
AccessoryStorage
DM 2610031565 05-14-v8_8050 5/13/14 11:45 AM Page 11
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23
Grinding WheelUse for deburring, removing rust, and
generalpurpose grinding. Use with Mandrel #402.
Cutting WheelsThese thin discs of emery or fiberglass areused
for slicing, cutting off and similaroperations. Use them for
cutting off frozen boltheads and nuts, or to reslot a screw
headwhich has become so damaged that thescrewdriver wont work in
it. Fine for cuttingBX cable, small rods, tubing, cable and
cuttingrectangular holes in sheet metal.
Drywall Cutting BitGives you fast, clean cuts in drywall. Use
withDremel No 565/566 Cutting Guide attachment.
Tile Cutting BitCuts ceramic wall tile, cement board,
andplaster. Use with Dremel No 565/566 CuttingGuide attachment.
Spiral Cutting BitCuts through all types of wood and
woodcomposites. Use with Dremel No 565/566Cutting Guide
attachment.
High Speed Router BitsFor routing, inlaying, and mortising in
woodand other soft materials. Use with Dremel No.335 Router
attachment and No. 231Shaper/Router table.
Brad Point Drill BitsTitanium coated brad points stay on
centerand begin drilling immediately. For use onwood. Size 1/8,
5/32, 3/16, . 1/8 shank.
HSS Drill Bits HSS drill bit for use in metal and plastic.
Size1/8, 7/64, 3/32, 5/64, 1/16, 3/64, 1/32.Shank size matches the
drill bit size. Differentcollet size (481, 482, 483) or Dremel
chuck(4486) required according to drill bit beingused.
Glass Drill BitsDiamond tipped drill bits for use on glass
andceramic wall tile. Lubricant included.
Collet FanBlows dust away for greater visibility to workpiece.
Great for sanding, engraving andcarving. Do not use dust blower to
stop orslow down the tool. Do not contact dust blowerwith fingers
or workpiece during use.
Dremel ChuckThis chuck allows you to quickly and easilychange
accessories on Dremel Rotary Toolswithout changing collets. Accepts
accessorieswith 1/32 - 1/8 shank. Read instructionmanual. Insert
and securely tighten the shankof the accessory well within the jaws
of thechuck.
Dremel Accessories (Cont.)
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12
COLLET NUTTo loosen the collet nut, first press shaft lockbutton
and rotate the shaft by hand until thelock engages the shaft
preventing furtherrotation. Your Dremel Micro is equipped witha
shaft lock mechanism. This mechanismengages the output shaft in 2
separatelocations on the shaft for easier operation.
Do not engage lock whilethe Rotary Tool is running.
With the shaft lock engaged, use the colletwrench to loosen the
collet nut if necessary.The collet nut must be loosely threaded
onwhen inserting an accessory. Changeaccessories by inserting the
new one into thecollet as far as possible to minimize runoutand
unbalance. With the shaft lock engaged,finger t ighten the collet
nut unti l theaccessory shank is gripped by the collet.Avoid
excessive tightening of the colletnut when there is no bit
inserted.
COLLETSFour different size collets (see illus tration),
toaccommodate different shank sizes, areavail able for your Rotary
Tool. To install adifferent collet, remove the collet nut andremove
the old collet. Insert the unslottedend of the collet in the hole
in the end of thetool shaft. Replace collet nut on the shaft.
Always use the colletwhich matches the shank
size of the accessory you plan to use.Never force a larger
diameter shank into acollet.
Note: Most rotary tool kits do not include allfour collets
sizes.
BALANCING ACCESSORIESFor precision work, it is important that
allaccessories be in good balance (much thesame as the tires on
your automobile). Totrue up or balance an accessory, slightlyloosen
collet nut and give the accessory orcollet a 1/4 turn. Re tighten
collet nut and runthe Rotary Tool. You should be able to tell bythe
sound and feel if your accessory isrunning in balance. Continue
adjusting in thisfashion until best balance is achieved. Tomaintain
balance on abrasive wheel points,before each use, with the wheel
point
secured in the collet, turn on the Rotary Tooland run the 415
Dressing Stone lightlyagainst the revolving wheel point.
Thisremoves high spots and trues up the wheelpoint for good
balance.
Assembly
! CAUTION
Always be sure the tool is turned OFF before changing
accessories,changing collets or servicing your cordless rotary
tool.! WARNING
Collet NutColletWrench
Shaft LockButton
LOOSEN
TIGHTEN
ColletNut
IdentificationRings
480 1/8" Collet
4813/32" Collet 482
1/16" Collet
483 1/32"Collet
! CAUTION
COLLET IDENTIFICATION CHARTCollet sizes can be identified by the
ringson the back end of collet.
1/32" Collet has one (1) ring.1/16" Collet has two (2)
rings.3/32" Collet has three (3) rings.
1/8" Collet has no rings. (Included in most tool kits on the
tool)
FIG. 2
FIG. 3
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22
Brushing Pressure1. Remember, the tips of a wire brush do
the
work. Operate the brush with the lightestpressure so only the
tips of the wire comein contact with the work.
2. If heavier pressures are used, the wireswill be overstressed,
resulting in a wipingaction; and if this is continued, the life
of
the brush will be shortened due to wirefatigue.
3. Apply the brush to the work in such a waythat as much of the
brush face as possibleis in full contact with the work. Applying
theside or edge of the brush to the work willresult in wire
breakage and shortenedbrush life.
INCORRECT:Excessive pressure can cause wire breakage.
CORRECT:Wire tips doing the work.
Polishing AccessoriesThese include an impregnated polishing
pointand an impregnated polishing wheel forbringing metal sur faces
to smooth finish; a feltpolishing tip and felt polish ing wheel,
and clothpolishing wheel, all used for polishing plastics,metals,
jewelry and small parts. Also includedin this group is a polishing
compound (No. 421)for use with the felt and cloth polishers.
Polishing points make a very smooth surface,but a high luster is
obtained using felt or clothwheels and polishing compound. For
bestresults polishing accessories should beused at speeds not
greater than 15,000RPM.
No polishing compound is needed when usingthe 425 Polishing
Wheel.
Aluminum Oxide Abrasive WheelsUse to remove paint, deburr metal,
polishstainless steel and other metals. Available inmedium grit.
1/8" shank.
Sanding AccessoriesSanding discs in fine, medium and
coarsegrades are made to fit mandrel No. 402 andEZ407. They can be
used for nearly any smallsanding job you might have, from
modelmaking to fine furniture finish ing. In addition,there is the
drum sander, a tiny drum which fitsinto the Rotary Tool and makes
it possible toshape wood, smooth fiberglass, sand insidecurves and
other diffi cult places, and othersanding jobs. You replace the
sanding bandson the drum as they become worn and losetheir grit.
Bands come in fine medium andcoarse grades. Flapwheels grind and
polish flator contoured surfaces. They are used mosteffectively as
a finishing sander after heaviersurface sanding and material
removal iscompleted. Flapwheels come in fine andcoarse grades.
Buffs are a great finishingaccessory for cleaning and light
sanding. Theywork effectively on metal, glass, wood,aluminum and
plastics. Coarse and mediumbuffs are sold together. All buffs are
soldindividually. Do not exceed 15,000 RPM inspeed. 1/8" shank.
Dremel Accessories (Cont.)
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13
Dremel Micro - IntroductionThank you for purchasing the new
DremelMicro the most precise and compact cordlesstool produced by
the worldwide leader in rotarytools. This product was designed by
the manyDremel users who passionately use their rotarytools daily.
The combination of design,ergonomics, and motor makes the
DremelMicro highly user friendly and ideal for precisework and
demanding tasks.
1-PreciseThe new Dremel tool is perfect for fine,detailed work
where precision and control areneeded. The compact and ergonomic
housingis designed for you to hold between yourthumb and forefinger
so that the tool can becontrolled like a pencil. When held in
thisposition you can hardly feel the lightweight andcompact tool in
your hand! It is intended to bean extension of your hand and can be
usedcomfortably for prolonged periods of timethanks also to the
soft grip included in the frontend of the housing. The ultra slim
body andtaper front-end allow you to grip the tool muchcloser to
the work piece for a bettermaneuverability and control especially
whenworking on intricate projects or in confined/tightareas. Yet,
all tool components have beenperfectly tuned to deliver the least
amount ofvibrations and accessory run out so thatcomfort and
precision experience are best inclass. The tool is also provided
with front-endLED lights to illuminate the work piece forbetter
visibility. Portability is another benefit ofthe compact design.
Its small size and lightweight offer the freedom to take the
DremelMicro anywhere.
2-Powerful Power is another great benefit you willexperience
while working with Dremel Micro.Operations like engraving, sanding
andpolishing are always expected from a rotarytool. What might not
be expected from such asmall tool is the power to conduct light
dutyDIY tasks such as cutting screws and nails.This tool will
surprise you: the combination of acompact and highly efficient DC
motor, smallerLithium-ion battery cells and smart electronicsallow
for tougher applications than you think.Powered by cutting edge
Lithium Technologybatteries and provided with a charging base,the
Dremel Micro is always ready to be usedfor precise/detailed
projects as well as quickfixes. The power adapter in combination
with
the charging base keep the tool fully chargedat all times: it
automatically stops when thebatteries have reached 100% of their
storagecapacity so that the tool can be left onto thecharging base
for prolonged periods of time.This smart technology ensures enough
run-time to complete a whole range of applicationseven if the tool
is used intermittently. Forcordless tools, in fact, it is critical
that thebattery does not drain quickly during storageotherwise you
will experience the frustration ofhaving to charge the tool before
use.
3-VersatileThe Dremel Micro comes with a limitedassortment of
rotary accessories but it is fullycompatible with the rest of the
Dremel rotaryaccessory program. The versatility of the tool
isrepresented by its ability to complete a widespectrum of
applications with the simplechange of an accessory. Accessories
come ina variety of shapes and permit you to do anumber of
different jobs. The LED lights on thetopside of the battery housing
facilitate theidentification and selection of the optimalspeed for
each accessory. In addition, the shaftlock mechanism makes locking
the outputshaft easier for changing accessories. You willappreciate
the many applications the DremelMicro can easily tackle.
Rotary Tool IntroductionThe Rotary Tool has a small,
powerfulelectric motor, is comfort able in the hand,and is made to
accept a large variety ofaccessories including abrasive wheels,
drillbits, wire brushes, polishers, engravingcutters, cutting
wheels. As you be comefamiliar with the range of accessories
andtheir uses, you will learn just how versatilethe Rotary Tool is.
Youll see dozens of usesyou hadnt thought of before.
The real secret of the Rotary Tool is itsspeed. To understand
the advantages of itshigh speed, you have to know that thestandard
portable electric drill runs at speedsup to 2,800 revolutions per
minute. TheRotary Tool operates at speeds up to 28,000revolutions
per minute. The typical electricdrill is a low-speed, high torque
tool; theRotary Tool is just the opposite a high-speed, low torque
tool. The major differenceto the user is that in the high speed
tools, thespeed combined with the acces sory mountedin the collet
does the work. You dont applypressure to the tool, but simply hold
and
Operating Instructions
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21
Structured Tooth Tungsten Carbide CuttersFast cutting,
needle-sharp teeth for greatermaterial removal with minimum
loading. Useon fiberglass, wood, plastic, epoxy and rubber.1/8"
shank.
Aluminum Oxide Grinding Stones(red/brown)
Round, pointed, flat you name the shapeand there is one
available in this category.These are made of aluminum oxide and
covervirtually every possible kind of grindingapplication. Use them
for sharpening lawnmower blades, screwdriver tips, knives,scissors,
chisels and other cutting tools. Use toremove flash from metal
castings, deburringany metal after cutting, smoothing weldedjoints,
grinding off rivets and re mov ing rust.These grinding stones can
be resharped with adressing stone. In machine shops, high
speeddrills and cut ters normally are ground withaluminum oxide
wheels. 1/8" shank.
Silicon Carbide Grinding Stones(blue/green)
Tougher than aluminum oxide points, these aremade es pecially
for use on hard materialssuch as glass and ce ramics. Typical
usesmight be the removal of stilt marks and excessglaze on ceramics
and engraving on glass.1/8" shank.
Diamond Wheel PointsExcellent for fine detail work on wood,
jade,ceramic, glass and other hard material. Bitsare covered with
diamond particles. 1/8"shanks. (Not recommended for drilling)
Wire BrushesThree different shapes of wire brushes areavailable.
For best results wire brushesshould be used at speeds not greater
than15,000 RPM. Refer to Operating Speedssection for proper tool
speed setting. Thethree shapes come in three different
materials:stainless steel, brass and carbon wire. Thestainless
steel perform well on pewter,aluminum, stainless steel, and other
metals,without leaving "after-rust". Brass brushes arenon sparking,
and softer than steel; makingthem good for use on soft metal like
gold,cooper and brass. The carbon wire brushesare good for general
purpose cleaning.
Bristle BrushesThese are excellent cleaning tools onsilverware,
jew elry and antiques. The threeshapes make it possible to get into
tightcorners and other difficult places. Bristlebrushes can be used
with polishing compoundfor faster cleaning or polishing.
Dremel Accessories (Cont.)
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14
guide it. In the low speed tools, you not onlyguide the tool,
but also apply pressure to it,as you do, for example, when drilling
a hole.
It is this high speed, along with its compactsize and wide
variety of special accessories,that makes the Rotary Tool differ
ent from othertools. The speed enables it to do jobs lowspeed tools
cannot do, such as cuttinghardened steel, en graving glass,
etc.
Getting the most out of your Rotary Tool is amatter of learning
how to let this speed workfor you. To learn about more uses and
theversati l i ty of Dremel accessories andattachments refer to
this Owner's Manual orcheck our website at www.Dremel.com.
Using the Rotary ToolThe first step in learning to use the
RotaryTool is to get the feel of it. Hold it in yourhand and feel
its weight and balance. Feelthe taper of the housing.
Always hold the toolaway from your face.Accessories can
bedamaged duringhandling, and can flyapart as they come upto speed.
This is not
common, but it does happen.
Whenever you hold the tool,be careful not to cover the
air vents with your hand. This blocks theair flow and causes the
motor to overheat.
For best control in close work, grip the RotaryTool like a
pencil between your thumb andforefinger (Figure 4).
The Golf Grip method of holding the toolcan be used for more
aggressive operationssuch as grinding a flat surface or using
cutoffwheels (Figure 5).
Practice on scrap materials first to see howthe Rotary Tool's
high speed action performs.Keep in mind that the work is done by
thespeed of the tool and by the accessory in thecollet. You should
not lean on or push thetool during use.
Instead, lower the spinning accessory lightlyto the work and
allow it to touch the point atwhich you want cutt ing (or sanding
oretching, etc.) to begin. Con centrate onguiding the tool over the
work using very littlepressure from your hand. Allow theaccessory
to do the work.
Usually, it is best to make a series of passeswith the tool
rather than attempt to do all thework in one pass. To make a cut,
forexample, pass the tool back and forth overthe work, much as you
would a small paintbrush. Cut a little material on each pass
untilyou reach the desired depth. For most work,the gentle touch is
best. With it, you have thebest control, are less likely to make
errors,and will get the most effi cient work out of
theaccessory.
Questions or Problems? Call1-800-437-3635
or check our website at
www.Dremel.com
Operating Instructions (Cont.)
CAUTION!
30 15 10 520
0FIG. 4
30 15 10 520 0
FIG. 5
WARNING
Wear Eye Protection
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20
The number and variety of accessories for theRotary Tool are
almost limitless. There is acategory suited to almost any job you
mighthave to do and a variety of sizes and shapeswithin each
category which en ables you to getthe perfect accessory for every
need.
COLLETSIf you expect to use a variety of accessories,we
recommend that in the beginning youpurchase a complete set of four
collets. Storethese so that you will have the proper size ofcollet
for any accessory or drill bit you want touse. Currently, the 1/8",
3/32",1/32" and1/16" collets accommodate all of the avail -able
Dremel accessories. 1/8" collets areincluded in most rotary tool
kits.
MANDRELSA mandrel is a shank with a threaded or screwhead, which
are required when you usepolishing accessories, cutting wheels,
sandingdiscs, and pol ish ing points. The reasonmandrels are used
is that sanding discs,cutting wheels and similar accesso ries must
bereplaced frequently. The mandrel is a per -manent shank, allowing
you to replace only theworn head when necessary, thus saving
theexpense of replacing the shaft each time.
Screw Mandrel No 401This is a screw mandrel used with the
feltpolishing tip and felt polishing wheels. 1/8"shank.
Small Screw Mandrel No 402This is a mandrel with a small screw
at its tip,and is used with emery and fiberglass cuttingwheels,
sanding discs and polishing wheels.1/8" shank.
EZ Lock Mandrel No 402The Dremel EZ Lock makes accessorychanges
easy as PULL - TWIST - RELEASE.The one-piece mandrel design
simplifies theprocess of changing cutting wheels, buffs anddetail
abrasive brushes (EZ Lock compatibleaccessories).
EZ Drum Mandrel No EZ407SAThe Dremel EZ Drum makes
accessorychanges easy as PULL - INSERT - PRESSDOWN. The one-piece
mandrel designsimplifies the process of changing sandingbands.
High Speed CuttersAvailable in many shapes, high speed
cuttersare used in carving, cutting and slotting inwood, plastics
and soft metals such asaluminum, copper and brass. These are
theaccessories to use for freehand routing orcarving in wood or
plastic, and for precisioncutting. Made of high quality steel. 1/8"
shank.
Tungsten Carbide CuttersThese are tough, long-lived cutters for
use onhard ened steel, fired ceramics and other veryhard ma
terials. They can be used forengraving on tools and garden
equipment. 1/8"shanks.
Engraving CuttersThis group has a wide variety of sizes
andshapes, and are made for intricate work onceramics (greenware),
wood carvings, jewelryand scrimshaw. They often are used in
makingcomplicat ed printed circuit boards. Theyshould not be used
on steel and other veryhard materials but are excellent on
wood,plastic and soft metals. 1/8" shank.
Dremel Accessories
Use only Dremel, high-performance accessories. Other accessories
are notdesigned for this tool and may lead to personal injury or
property damage.!
WARNING
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15
Operating Speeds
To select the right speed for each job, use apractice piece of
material.
ON/OFF BUTTONThe tool is turned ON by the on/off bluebutton
located on the topside of the taperedpart of the housing.
TO TURN THE TOOL ON press andrelease the on/off blue button. The
tool willstart working at a speed of 15,000 rpm andthe frontal LED
light will turn on, If the on/offbutton is pressed but not released
the tooland the frontal LED light wont turn on. Rightafter the tool
is turned on you have thepossibility to turn off the frontal LED
light.Simply press the minus () blue speedcontrol button 3 times
and the frontal LEDlight will turn off. At this point the tool
speedwill be set at 5,000 rpm. To turn on the frontalLED light
again simply turn off and then onagain the tool.
TO TURN THE TOOL OFF press andrelease the on/off blue button. If
for somereasons the on/off switch doesn't work thereis always the
option to alternatively turn offthe tool by the following
methods:
Press the minus () blue speed controlbutton to bring the speed
of the tool to thelowest speed level (5,000 RPM).
Hold the minus () blue speed controlbutton for 5 seconds.
ELECTRONIC MONITORINGYour tool is equipped with an
internalelectronic monitoring system that helps tomaximize motor
and battery performance bylimiting the current to the tool when
overloadand stall conditions occur. If you stall the toolfor too
long, or bind the bit in a work piece,especially at high speeds,
the tool wil lautomatically turn itself off thanks to thefallback
built into it. Once this happens,simply take the tool out of the
material youwere stalled in, turn it back on again, adjustthe speed
if necessary, and continue using it.When the battery becomes close
to empty,the tool may shut down automatically morefrequent than
normal. If this happens, it istime to recharge the tool.
SPEED CONTROL BUTTONSYour Dremel Micro is equipped with
speedcontrol buttons. The speed may be adjustedduring operation by
pressing on the plus (+)or (-) minus blue buttons located on
thetopside of the battery housing. Speed willincrement or decrement
by 5,000 rpm from aminimum of 5,000 to a maximum of 28,000rpm. The
LED lights located alongside theblue buttons will illuminate
according to thechosen speed. Every time the tool is turnedoff the
speed set goes back to the mediumlevel (15,000 rpm) so it might be
necessaryto increase/decrease the speed to the levelthat it was
being used (e.g. 28,000 rpm)before the tool was turned off to
keepworking on the same application.
You can refer to the charts on pages 2730to determine the proper
speed, based on thematerial being worked and the type ofaccessory
being used. These charts enableyou to select both the correct
accessory andthe optimum speed at a glance.
28
15 10 5
20
0
Speed ControlButtons
FIG. 6
Speed Control& Charge
Indicator Lights
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19
ServiceNO USER SERVICEABLEPARTS INSIDE. Preventive
maintenance performed by un au thorizedpersonnel may result in
misplacing ofinternal wires and components whichcould cause serious
hazard. We recom -mend that all tool service be performed by
aDremel Service Center. SERVICE MEN:Disconnect tool and/or charger
from powersource before servicing.
BATTERIESBe alert for batteries that are nearing theirend of
life. If you notice decreased toolperformance or significantly
shorter runningtime between charges then it is time toreplace the
battery. Failure to do so cancause the tool to operate improperly
ordamage the charger.
D.C. MOTORSThe motor in your tool has been engineeredfor many
hours of dependable service. Tomaintain peak efficiency of the
motor, werecommend it be examined every six months.Only a genuine
Dremel replacement motorspecially designed for your tool should
beused.
CleaningTo avoid accidents, alwaysbe sure the tool is turned
OFF before cleaning. The tool may becleaned most effectively
with com pressed dryair. Always wear safety goggles whencleaning
tools with compressed air.
Ventilation openings and switch levers mustbe kept clean and
free of foreign matter. Donot attempt to clean by inserting
pointedobjects through opening.
Certain cleaning agentsand solvents damage
plastic parts. Some of these are: gasoline,car bon
tetrachloride, chlorinated cleaningsolvents, ammonia and household
detergentsthat contain ammonia.
! WARNING
Maintenance
! WARNING
! CAUTION
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16
The speed of Rotary Tool is controlled bysetting the blue speed
control buttons.
Settings for Approximate Revolutions
Speed Setting Speed Range
5 5,000 RPM
10 10,000 RPM
*15 15,000 RPM
20 20,000 RPM
28 28,000 RPM
*15 is the maximum speed setting for wirebrushes.
Needs for Slower SpeedsCertain materials, however, (some
plastics andprecious metals, for ex ample) require arelatively slow
speed because at high speedthe friction of the accessory generates
heatand may cause damage to the material.
Slow speeds (15,000 RPM or less) usually arebest for polishing
operations employing the feltpolishing ac ces sories. They may also
be bestfor working on deli cate projects as eggerywork, delicate
wood carving and fragile modelparts. All brushing applications
requirelower speeds to avoid wire discharge fromthe holder.
Higher speeds are better for carving, cutting,shaping, cutting
dadoes or rabbets in wood.
Hardwoods, metals and glass require highspeed operation, and
drilling should also bedone at high speeds.
Many applications and accessories in our linewill provide the
best performance at full speed,but for certain materials,
applications, andaccessories, you need slower speeds, which isthe
reason our variable speed models areavailable.
To aid you in determining the optimumoperational speed for
differ ent materials anddifferent accessories, we have construct ed
aseries of tables that appear on page 23, 24, 25and 26. By
referring to these tables, you candiscover the recommended speeds
for eachtype of accessory. Look these tables over andbecome
familiar with them.
Ultimately, the best way to determine thecorrect speed for work
on any material is topractice for a few minutes on a piece of
scrap,even after referring to the chart. You canquickly learn that
a slower or faster speed ismore effective just by observing what
hap pensas you make a pass or two at different speeds.When working
with plastic, for example, startat a slow rate of speed and
increase the speeduntil you observe that the plastic is melting
atthe point of contact. Then reduce the speedslight ly to get the
optimum working speed.
Some rules of thumb in regard to speed:
1. Plastic and other materials that melt at lowtemperatures
should be cut at low speeds.
2. Polishing, buffing and cleaning with anytype of bristle brush
must be done at speedsnot greater than 15,000 RPM to preventdamage
to the brush from bristles flyingtoward operator.
3. Wood should be cut at high speed.
4. Iron or steel should be cut at high speed. Ifa high speed
steel cutter starts to chatter this normally means it is running
too slow.
5. Aluminum, copper alloys, lead alloys, zincalloys and tin may
be cut at various speeds,depending on the type of cutting
beingdone. Use paraffin or other suitablelubricant on the cutter to
prevent the cutmaterial from adhering to the cutter teeth.
Increasing the pressure on the tool is not theanswer when it is
not performing as you think itshould. Perhaps you should be using
adifferent accessory, and perhaps anadjustment in speed would solve
the problem.Leaning on the tool does not help.
Your Dremel Micro can be used with all of theDremel accessories,
except router bits. Whilethe tool will work with cut-off wheels,
thereduced speed of this tool will not allow themto perform
optimally. They can be used to cutsoft materials such as wood or
plastic, butcutting metals is not recommended. The Microtool cannot
be used with any of the Dremel lineof attachments (attachments
screw on to thenose of a rotary tool.)
Let speed do the work!
Use only Dremel, high-performance accessories.
Operating Speeds (Cont.)
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18
887 3 HOUR 45 MINUTE CHARGERYour Dremel Micro does not come
completelycharged from the factory. Be sure to chargetool prior to
initial use. Plug the power adapterjack onto the charging base and
insert thepower adapter plug into your standard poweroutlet. Place
tool in charging base as shown infigure 7. The blue LED lights
located on thetopside of the tool housing will start
scrollingtop/down to signal the battery is receiving acharge.
Charging will automatically stop whenthe tool is fully charged.
When all the blue LEDlights are off charging is complete. At this
pointthe battery charge light will be green. The toolmay be used
even though the blue LED lightsmay still be scrolling top/down. The
blue LEDlights might require more time to stop scrollingdepending
on temperature.
The scope of the scrolling blue LED lights is toindicate that
the tool is charging. It does notindicate the exact point of full
charge. The blueLED lights will stop scrolling in less time if
thetool was not completely discharged. In thiscase the battery
charge light could be green,orange or red. When the battery pack is
fullycharged you can leave the tool in the chargingbase.
25
15105
20
0
Charging Tool (Cont.)
Power Adapter
Jack for ChargingBase Outlet
Charging Base
Outlet forPower Supply
FIG. 7
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17
Charging Tool
FUEL GAUGEThis tool is equipped with a fuel gauge thattells you
how much charge your battery has.A fully charged battery is
indicated when thelight is green. As the battery discharges,
thelight will turn orange. When the light is red,the battery is
almost empty. When thebattery is dead, the tool will
automaticallyturn off. This wil l be a sudden stop asopposed to a
gradual winding down of thetool. Simply recharge the tool and
reuse.
Green Light - 100% charge remaining.
Orange Light 50% charge remaining orthe tool is being used in
heavy applications(low battery voltage due to current draw).
Red Light - 25% charge remaining.
Red Flashing Light - tool is about to shut offor battery is too
hot or too cold for use. Turntool off and let battery return to
normaloperating temperature before resuming use.
IMPORTANT CHARGING NOTES1. The charging base was designed to
charge
the tool only when the battery temperature isbetween 32F (0C)
and 113F (45C). If thetool is too hot or too cold, the charging
basewill not charge the tool. (This may happen ifthe tool is hot
from heavy use). When thetool temperature returns to between
32F(0C) and 113F (45C), the charging basewill automatically begin
charging.
2. A substantial drop in operating time percharge may mean that
the battery is nearingthe end of its life and should be
replaced.
3. Remember to unplug the power adapterduring storage
period.
4. If tool does not charge properly:
a. Check for voltage at outlet by plugging insome other
electrical device.
b. Check to see if outlet is connected to alight switch which
turns power off whenlights are turned off.
c. Check charging base and power supplyterminals for dirt. Clean
with cotton swaband alcohol if necessary.
d. If you still do not get proper charging, takeor send tool to
your local Dremel ServiceCenter.
Note: Use of power supply not sold by Dremelwill void the
warranty.
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