OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
Cat. No. / No de cat.
6034-21
5" RANDOM ORBIT SANDER
PONCEUSE À MOUVEMENTS ORBITAUX ASYNCHRONES DE
127 mm (5")
127 mm (5") LIJADORAS DE ÓRBITA ALEATORIA
WARNING To reduce the risk of injury, user must read and understand operator's manual.
AVERTISSEMENT An de réduire le risque de blessures, l'utilisateur doit lire et bien
comprendre le manuel.
ADVERTENCIA Para reducir el riesgo de lesiones, el usuario debe leer y entender el manual.
GENERAL POWER TOOL
WARNING
SAFETY WARNINGS
Read all safety warnings, instruc-
tions provided with this power tool. Failure to
follow all instructions listed below may result in
electric shock, re and/or serious injury. Save all
warnings and instructions for future reference.
The term "power tool" in the warnings refers to your
mains-operated (corded) power tool or battery-oper-
ated (cordless) power tool.
tions, illustrations and specica-
WORK AREA SAFETY
• Keep work area clean and well lit. Cluttered or
dark areas invite accidents.
• Do not operate power tools in explosive atmo-
spheres, such as in the presence of ammable
liquids, gases or dust. Power tools create sparks
which may ignite the dust or fumes.
• Keep children and bystanders away while operat-
ing 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. Unmodied 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 inuence of drugs, alcohol or medication. A
moment of inattention while operating power tools
may result in serious personal injury.
• Use personal protective equipment. Always
wear eye protection. Protective equipment such
as a dust mask, non-skid safety shoes, hard hat or
hearing protection used for appropriate conditions
will reduce personal injuries.
• Prevent unintentional starting. Ensure the switch
is in the o-position before connecting to power
source and/or battery pack, picking up or carrying
the tool. Carrying power tools with your nger on
the switch or energizing power tools that have the
switch on invites accidents.
• Remove any adjusting key or wrench before
turning the power tool on. A wrench or a key left
attached to a rotating part of the power tool may
result in personal injury.
• Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
• Dress properly. Do not wear loose clothing or
jewelry. Keep your hair and clothing away from
moving parts. Loose clothes, jewelry or long hair
can be caught in moving parts.
• If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used. Use of
dust collection can reduce dust-related hazards.
• Do not let familiarity gained from frequent use
of tools allow you to become complacent and
ignore tool safety principles. A careless action can
cause severe injury within a fraction of a second.
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 o. Any power tool that cannot be
controlled with the switch is dangerous and must be
repaired.
• Disconnect the plug from the power source and/
or remove the battery pack, if detachable, from
the power tool before making any adjustments,
changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of
starting the power tool accidentally.
• Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the
power tool or these instructions to operate the
power tool. Power tools are dangerous in the hands
of untrained users.
• Maintain power tools and accessories. Check
for misalignment or binding of moving parts,
breakage of parts and any other condition that
may aect 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 dierent from those intended could
result in a hazardous situation.
• Keep handles and grasping surfaces dry, clean
and free from oil and grease. Slippery handles and
grasping surfaces do not allow for safe handling and
control of the tool in unexpected situations.
SERVICE
• Have your power tool serviced by a qualied
repair person using only identical replacement
parts. This will ensure that the safety of the power
tool is maintained.
2
SPECIFIC SAFETY RULES FOR
WARNING
WARNING
WARNING
PALM SANDERS
•
appropriate respiratory protection or use an
OSHA compliant dust extraction solution.
• Always use common sense and be cautious when
using tools. It is not possible to anticipate every
situation that could result in a dangerous outcome.
Do not use this tool if you do not understand these
operating instructions or you feel the work is beyond
your capability; contact Milwaukee Tool or a trained
professional for additional information or training.
• Maintain labels and nameplates. These carry
important information. If unreadable or missing,
contact a MILWAUKEE service facility for a free
replacement.
•
construction activities contains chemicals known to
cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
• lead from lead-based paint
• 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
lter out microscopic particles.
To reduce the risk of injury, when
working in dusty situations, wear
Some dust created by power sanding,
sawing, grinding, drilling, and other
EXTENSION CORDS
Grounded tools require a three wire extension
cord. Double insulated tools can use either a two
or three wire extension cord. As the distance from
the supply outlet increases, you must use a heavier
gauge extension cord. Using extension cords with
inadequately sized wire causes a serious drop in
voltage, resulting in loss of power and possible tool
damage. Refer to the table shown to determine the
required minimum wire size.
The smaller the gauge number of the wire, the greater
the capacity of the cord. For example, a 14 gauge
cord can carry a higher current than a 16 gauge cord.
When using more than one extension cord to make
up the total length, be sure each cord contains at
least the minimum wire size required. If you are using
one extension cord for more than one tool, add the
nameplate amperes and use the sum to determine
the required minimum wire size.
Guidelines for Using Extension Cords
• If you are using an extension cord outdoors, be sure
it is marked with the sux “W-A” (“W” in Canada)
to indicate that it is acceptable for outdoor use.
• Be sure your extension cord is properly wired
and in good electrical condition. Always replace a
damaged extension cord or have it repaired by a
qualied person before using it.
• Protect your extension cords from sharp objects,
excessive heat and damp or wet areas.
Recommended Minimum Wire Gauge
For Extension Cords*
Extension Cord Length
Nameplate Amps
0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 16.0
16.1 - 20.0
* Based on limiting the line voltage drop to ve volts at 150%
of the rated amperes.
25' 50' 75' 100' 150'
18
18
18
18
18
18
18
16
14
12
18
18
16
14
12
10
18
16
14
12
10
--
16
14
12
10
16
14
12
12
--
--
--
--
--
READ AND SAVE ALL INSTRUCTIONS
FOR FUTURE USE.
GROUNDING
Improperly connecting the grounding wire can result in the risk of
electric shock. Check with a qualied electrician
if you are in doubt as to whether the outlet is
properly grounded. Do not modify the plug provided with the tool. Never remove the grounding
prong from the plug. Do not use the tool if the
cord or plug is damaged. If damaged, have it
repaired by a MILWAUKEE service facility before
use. If the plug will not t the outlet, have a
proper outlet installed by a qualied electrician.
Grounded Tools (Three-Prong Plugs)
Tools marked “Grounding Required” have a three
wire cord and three prong grounding plug. The plug
must be connected to a properly grounded outlet
(See Figure A). If the tool should electrically malfunction or break down, grounding provides a low
resistance path to carry electricity away from the
user, reducing the risk of electric shock.
The grounding prong in the plug is connected through
the green wire inside the cord to the grounding
system in the tool. The green wire in the cord must
be the only wire connected to the tool's grounding
system and must never be attached to an electrically
“live” terminal.
Your tool must be plugged into an appropriate outlet, properly installed and
grounded in accordance with all codes
and ordinances. The plug and outlet
should look like those in Figure A.
Double Insulated Tools (Two-Prong Plugs)
Tools marked “Double Insulated” do not require
grounding. They have a special double insulation
system which satises OSHA requirements and
complies with the applicable standards
of Underwriters Laboratories, Inc., the
Canadian Standard Association and
the National Electrical Code. Double
Insulated tools may be used in either
of the 120 volt outlets shown in Figures
B and C.
Fig. A
Fig. B
Fig. C
SPECIFICATIONS
Cat. No. ..................................................... 6034-21
Volts .............................................................120 AC
Amps .....................................................................3
OPM ................................................... 7000-12,000
Paper Size .................................................... 5" dia.
3
SYMBOLOGY
OPM
C
US
WARNING
Double Insulated
Volts
Alternating Current/Direct Current
Amps
Alternating Current
Orbits Per Minute (OPM)
UL Listing for Canada and U.S.
FUNCTIONAL DESCRIPTION
1
2
3
5
6
1. Gripping surface
2. On/O switch
3. Speed dial
4. Backing pad
5. Dust box with lter
6. Universal hose adapter
4
ASSEMBLY
To reduce the risk of injury, always
removing accessories. Only use accessories
specically recommended for this tool. Others
may be hazardous.
Sandpaper can be made from various grit materials
and these should be selected according the material
to be sanded. The guidelines below list materials
and grit materials that should be used with them.
•Fine woodwork – garnet or aluminum oxide
•Rough woodwork – aluminum zirconia or ceramic
aluminum oxide
•Manufactured wood products (particleboard,
medium density ber board etc.) – silicon carbide
or aluminum oxide
•Solid surfacing materials (Corian, etc.) – silicon
carbide or aluminum oxide
•Metals – emery or aluminum oxide
Sandpaper is also graded by coarseness. Start
your work with an abrasive grit just coarse enough
to remove high spots and excessive roughness.
Follow with a second sanding using a grit one or
two grades ner. Continue with successively ner
grits until you obtain the desired nish.
unplug tool before changing or
Selecting Sandpaper and Grits
Do not switch from a coarse grit to a very ne grit in
one step because it may be dicult to remove the
marks made by the coarse grit abrasive. Use the
nest grits practical for the roughing operation, and
nish by using successively ner grits.
Grit Type Typical Application
Ideal for initial sanding on
60
Coarse
80
100
Medium
120
150
180
Fine
220
Attaching Hook-and-Loop Sanding Discs
1. Unplug the sander.
2. Align holes in hook-and-loop type sanding disc
with holes in pad, then carefully press fuzzy side
of sanding disc against pad as tightly as possible.
NOTE: Hook-and-loop type sanding discs can
be reused for the life of the sanding abrasive. It
is recommended that you keep the sanding disc
backing pad clean to provide for best adhesion.
Clean occasionally by brushing lightly with a small
brush.
The sander comes assembled with the hook-and-
loop pad. To attach a pressure sensitive adhesive
(PSA) pad (not included), rst remove the hook-andloop pad. Inspect sanding disc before installing. Do
not use if broken or defective.
1. Unplug the sander.
2. Remove the four screws that
3. Remove the hook-and-loop
4. Clean dust particles from
5. Apply a thin layer of light-
6. Align the holes in the pres-
7. Replace the four screws securely.
1. Unplug the sander.
2. Carefully peel paper backing from the pressure
3. Align holes in sanding disc with holes in backing
NOTE: Holes in sanding disc must line up with
NOTE: It is recommended that you clean backing
Changing the Sanding Pad
hold the hook-and-loop pad
in place.
pad.
the pad brake.
weight grease to the back
of the pad.
sure sensitive adhesive
(PSA) pad with the four
screw holes in the sander.
Attaching PSA Sanding Discs
sensitive adhesive type sanding disc.
pad, then carefully press sticky side of disc against
pad as tightly as possible.
holes in the backing pad in order for the dustless
feature of the sander to function properly.
pad occasionally by brushing lightly with a small
brush. Dust buildup on backing pad could cause
sanding disc not to stick properly.
rougher surfaces. For fast stock
removal. Rough sanding and
stripping of painted and rusted
surfaces.
For intermediate sanding and
removal of minor surface im-
perfections.
Ideal for ne sanding prior to
straining, priming, or sealing.
4
Remove PSA Sanding Disc Before
WARNING
WARNING
WARNING
WARNING
Do not store the sander with the sanding disc in-
stalled. Heat generated from sanding causes the
pressure sensitive adhesive to ow and form a tight
bond between the backing pad and sanding disc.
Removing the sanding disc soon after you have n-
ished a sanding operation avoids letting the adhesive
set up. If the sanding disc is left on the backing pad
for an extended period of time after use, the adhesive
will set up and cause the sanding disc to become
dicult to remove.
It may also tear when removing. When this situation
occurs, it becomes dicult to clean the backing pad
for the next sanding disc.
NOTE: If you forget to remove the sanding disc after
a sanding operation, sand for a few minutes to soften
the adhesive backing before attempting to remove
sanding disc.
polyurethanes, linseed oil, etc. can self-ignite in
the sander dust box or elsewhere and cause re.
To reduce the risk of re always empty the dust
box frequently (10-15 minutes) while sanding and
never store or leave a sander without totally
emptying its dust box. Also follow the recommendations of the coatings manufacturers.
The dust box provides a dust collection and air ltration system for the sander. Sanding dust is drawn up
through the holes of the sanding pad and collected
in the dust box during sanding. To use the dust box:
1. Unplug the sander.
2. To insert, slide the dust box chute into the sander's
dust port. Ensure the dust box vents are facing
up and push sander and dust box together rmly.
3. To remove, grasp the sander and dust box rmly
and pull apart.
4. To empty, using the tabs, pull o the dust box
lid. Empty dust from the dust box and tap lter
clean. Do not clean lter with water or compressed
air. Replace filter when necessary (Cat. No.
43-31-0105).
For more ecient operation, empty the dust box
when it is no more than half full. This will permit the
air to ow through the box better. Always empty and
clean the dust box thoroughly upon completion of
a sanding operation and before storing the sander.
Use the universal hose adapter to attach the sander
to a vacuum hose.
1. Unplug the sander.
2. Remove the dust box from the sander.
3. To insert, slide the adapter into the sander's dust
port. Push sander and adapter together rmly.
Connect the vacuum hose to the adapter, twisting
together to secure.
4. To remove, disconnect the vacuum hose from
the adapter. Then, grasp the sander and adapter
rmly and pull apart.
assembly back onto sander. Failure to do so
could cause sanding dust or foreign objects to
be thrown into your face or eyes which could
result in possible serious injury.
Universal Hose Adapter
Storage
Collected sanding dust from sanding surface coatings such as
Dust Box with Filter
When sander is not connected to
vacuum, always reinstall dust box
OPERATION
To reduce the risk of injury, always
removing accessories or making adjustments.
Use only specically recommended accessories.
Others may be hazardous.
To reduce the risk of injury, always wear proper
eye protection marked to comply with ANSI Z87.1.
When working in dusty situations, wear appropriate respiratory protection or use an OSHA
compliant dust extraction solution.
To start the sander, press the ON (I) button.
To stop sander, press the OFF (O) button.
The speed dial allows the sander to operate at vari-
able speeds - from low speed (1) to high speed (6).
1. To increase sanding disc speed, turn the dial to
a higher setting.
2. To decrease sanding disc speed, turn the dial to
a lower setting.
presence of sparks or open ame. Always wear
a suitable dust mask or respirator and use your
sander in a well-ventilated area.
To reduce the risk of injury, inspect for and
remove all raised nails and fasteners from work-
piece before sanding. Striking a fastener while
sanding could cause loss of control.
General Sanding with Random Orbit
When using random orbit sanders there are a few
things to keep in mind:
•Unlike most sanders, random orbit sanders should
be placed on the workpiece BEFORE the tool is
started. If the sander is started before it is placed on
the workpiece, the free oating pad may be spinning
at a speed that can cause scratches when it is nally
placed on workpiece.
•Unlike most sanders, random orbit sanders can be
moved across the workpiece in any direction (in the
case of wood, regardless of the direction of the grain).
•Varying pressure applied to the sander will aect its
rotating speed. A light pressure is recommended for
ne work, moderate pressure for rough work. Excessive pressure does not allow the pad to rotate enough.
•Keep sanding pad at on the workpiece.Tipping the
sander or using the edges of the pad may produce
an uneven nish, and reduce pad life.
•Keep sander moving in broad even strokes across
the workpiece. Sanding in one spot too long can
cause gouging and uneven results.
•Check the workpiece frequently, random orbit sanders
work more aggressively than simple orbital sanders.
5
unplug tool before attaching or
Starting and Stopping the Tool
Speed Dial
Finish sanding can produce clouds
of ne dust that could ignite in the
Sanders
WARNING
Properly secure workpiece before
WARNING
WARNING
WARNING
WARNING
sanding. Unsecured work could be
thrown towards the operator causing injury.
Do not wear loose clothing or jewelry when op-
erating sander. They could get caught in moving
parts causing serious injury. Keep head away
from sander and sanding area. Hair could be
drawn into sander causing serious injury.
1. Place sander on the workpiece and turn on the
sander.
2. Keep the sanding disc at against the workpiece,
keep the sander moving across the workpiece,
and use long, sweeping strokes.
3. Begin sanding with a coarse grit sandpaper and
gradually use ner and ner grits of sandpaper until the desired nish is reached. For example when
using the sander on wood, begin with an 80 grit
followed by a 120 grit, then a 180 grit and so on.
1. When removing several layers of paint or varnish,
2. Scrape away the residue with a putty knife or other
Removing Paint or Varnish
remove as much as possible with a paint solvent
or varnish remover.
scraping tool and allow the surface to cool and dry
before applying sander to the workpiece.
To reduce the risk of re and explosion, paint solvents and varnish
removers must be removed from the workpiece
and the workpiece must be completely dry before
sanding.
3. Select a coarse grit sandpaper disc to help prevent
the sandpaper from clogging.
4. Keep the sander moving over new areas to avoid
heating and softening the old coating (paint or
varnish).
5. Work in wide, overlapping strokes to produce a
uniform nish.
6. As the workpiece begins to show through the old
coating, switch to a medium grit sandpaper disc
to avoid scratching the surface of the workpiece.
Gradually switch to a ne grit sandpaper until you
achieve the desired nish.
MAINTENANCE
To reduce the risk of injury, always
any maintenance. Never disassemble the tool.
Contact a MILWAUKEE service facility for ALL
repairs.
Keep your tool in good repair by adopting a regular
maintenance program. Inspect your tool for issues
such as undue noise, misalignment or binding of
moving parts, breakage of parts, or any other condi-
tion that may aect the tool operation. Return the tool
to a MILWAUKEE service facility for repair. After six
months to one year, depending on use, return the
tool to a MILWAUKEE service facility for inspection.
never immerse your tool in liquid or allow a liquid
to ow inside it.
Clean dust and debris from vents. Keep handles
clean, dry and free of oil or grease. Use only mild
soap and a damp cloth to clean, since certain cleaning agents and solvents are harmful to plastics and
unplug the tool before performing
Maintaining Tools
To reduce the risk of personal injury, electric shock and damage,
Cleaning
other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
gents containing ammonia. Never use ammable or
combustible solvents around tools.
For repairs, return the tool to the nearest service
center.
Repairs
ACCESSORIES
To reduce the risk of injury, always
unplug the tool before attaching or
removing accessories. Use only recommended
accessories. Others may be hazardous.
For a complete listing of accessories, go online to
www.milwaukeetool.com or contact a distributor.
SERVICE - UNITED STATES
1-800-SAWDUST (1.800.729.3878)
Monday-Friday, 7:00 AM - 6:30 PM CST
or visit www.milwaukeetool.com
Contact Corporate After Sales Service Technical
Support with technical, service/repair, or warranty
questions.
Email: metproductsupport@milwaukeetool.com
Become a Heavy Duty Club Member at
www.milwaukeetool.com to receive important
notications regarding your tool purchases.
SERVICE - CANADA
Milwaukee Tool (Canada) Ltd
Monday-Friday, 7:00 AM - 4:30 PM CST
Every MILWAUKEE power tool* (see exceptions below) is warranted
to the original purchaser only to be free from defects in material and
workmanship. Subject to certain exceptions, MILWAUKEE will repair
or replace any part on an electric power tool which, after examination,
is determined by MILWAUKEE to be defective in material or workman-
ship for a period of ve (5) years** after the date of purchase unless
otherwise noted. Return of the power tool to a MILWAUKEE factory
Service Center location or MILWAUKEE Authorized Service Station,
freight prepaid and insured, is required. A copy of the proof of purchase
should be included with the return product. This warranty does not
apply to damage that MILWAUKEE determines to be from repairs
made or attempted by anyone other than MILWAUKEE authorized
personnel, misuse, alterations, abuse, normal wear and tear, lack of
maintenance, or accidents.
Normal Wear: Many power tools need periodic parts replacement and
service to achieve best performance. This warranty does not cover
repair when normal use has exhausted the life of a part including,
but not limited to, chucks, brushes, cords, saw shoes, blade clamps,
o-rings, seals, bumpers, driver blades, pistons, strikers, lifters, and
bumper cover washers.
*This warranty does not cover Air Nailers & Staplers; Airless Paint
Sprayer; Cordless Battery Packs; Gasoline Driven Portable Power
Generators; Hand Tools; Hoist – Electric, Lever & Hand Chain;
M12™ Heated Gear; Reconditioned Product; and Test & Measurement Products. There are separate and distinct warranties available
for these products.
**The warranty period for Job Site Radios, M12™ Power Port, M18™
Power Source, Jobsite Fan and Trade Titan™ Industrial Work Carts
is one (1) year from the date of purchase. The warranty period for the
Drain Cleaning Cables and AIRSNAKE™ Drain Cleaning Air Gun
Accessories is two (2) years from the date of purchase. The warranty
period for the M18™ Compact Heat Gun, 8 Gallon Dust Extractor,
M18™ Framing Nailers, M18 FUEL™ 1/2" Ext. Anvil Controlled Torque
Impact Wrench w/ ONE-KEY™, and the M18 FUEL™ 1" High Torque
Impact Wrench w/ ONE-KEY™ is three (3) years from the date of
purchase. The warranty period for the LED in the LED Work Light and
the LED Upgrade Bulb for the Work Light is the lifetime of the product
subject to the limitations above. If during normal use the LED or LED
Bulb fails, the part will be replaced free of charge.
6
1.800.268.4015
or visit www.milwaukeetool.ca
LIMITED WARRANTY
USA & CANADA
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