DeWalt D26441K, D26441 User Manual

INSTRUCTION MANUAL

GUIDE D'UTILISATION

MANUAL DE INSTRUCCIONES

D26441, 1/4 Sheet Sander

Ponceuse à 1/4 de bande D26441

D26441, Lijadora de 1/4 de lámina

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA

DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO ANTES

DE USAR EL PRODUCTO.

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR ANY DEWALT TOOL,
CALL US TOLL FREE AT:

1-800-4-DEWALT (1-800-433-9258)

General Safety Instructions

WARNING! Read and understand all instructions. Failure to follow all instructions listed
below may result in electric shock, fire and/or serious personal injury.

SAVE THESE INSTRUCTIONS

WORK AREA

• Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.

• Do not operate power tools in explosive atmospheres, such as in the presence of flam-
mable liquids, gases, or dust. Power tools create sparks which may ignite the dust or
fumes.

• Keep bystanders, children, and visitors away while operating a power tool. Distractions
can cause you to lose control.

ELECTRICAL SAFETY

• Grounded tools must be plugged into an outlet properly installed and grounded in
accordance with all codes and ordinances. Never remove the grounding prong or
modify the plug in any way. Do not use any adaptor plugs. Check with a qualified elec­trician if you are in doubt as to whether the outlet is properly grounded. If the tools

should electrically malfunction or break down, grounding provides a low resistance path to
carry electricity away from the user. Applicable only to Class I (grounded) tools.

• Double insulated tools are equipped with a polarized plug (one blade is wider than the

other.) This plug will fit in a polarized outlet only one way. If the plug does not fit fully
in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to
install a polarized outlet. Do not change the plug in any way. Double insulation elim-

inates the need for the three wire grounded power cord and grounded power supply system.

Applicable only to Class II (double insulated) tools.

• Avoid body contact with grounded surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric shock if your body is grounded.

• Don’t 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 to carry the tools or pull the plug from an

outlet. Keep cord away from heat, oil, sharp edges or moving parts. Replace damaged
cords immediately. Damaged cords increase the risk of electric shock.

• When operating a power tool outside, use an outdoor extension cord marked “W-A”
or “W.” These cords are rated for outdoor use and reduce the risk of electric shock. When

using an extension cord, be sure to use one heavy enough to carry the current your product
will draw. An undersized cord will cause a drop in line voltage resulting in loss of power and
overheating. The following table shows the correct size to use depending on cord length and
nameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage num­ber, the heavier the cord.

Minimum Gage for Cord Sets

Volts Total Length of Cord in Feet

120V 0-25 26-50 51-100 101-150
240V 0-50 51-100 101-200 201-300

Ampere Rating

More Not more AWG
Than Than

0-6 18 16 16 14

PERSONAL SAFETY

• Stay alert, watch what you are doing and use common sense when operating a power
tool. Do not use tool while tired or under the influence of drugs, alcohol, or medication.

A moment of inattention while operating power tools may result in serious personal injury.

• Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair,
clothing, and gloves away from moving parts. Loose clothing, jewelry, or long hair can be
caught in moving parts. Air vents often cover moving parts and should also be avoided.

• Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with

your finger on the switch or plugging in tools that have the switch on invites accidents.

• Remove adjusting keys or wrenches before turning the tool on. A wrench or a key that

is left attached to a rotating part of the tool may result in personal injury.

• Do not overreach. Keep proper footing and balance at all times. Proper footing and bal-

ance enables better control of the tool in unexpected situations.

• Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes,

hard hat, or hearing protection must be used for appropriate conditions.

TOOL USE AND CARE

• Use clamps or other practical way to secure and support the workpiece to a stable
platform. Holding the work by hand or against your body is unstable and may lead to loss of

control.

• Do not force tool. Use the correct tool for your application. The correct tool will do the
job better and safer at the rate for which it is designed.

• Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled with
the switch is dangerous and must be repaired.

• Disconnect the plug from the power source before making any adjustments, changing
accessories, or storing the tool. Such preventative safety measures reduce the risk of
starting the tool accidentally.

• Store idle tools out of reach of children and other untrained persons. Tools are dan­gerous in the hands of untrained users.

• Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools,
with sharp cutting edges are less likely to bind and are easier to control.

• Check for misalignment or binding of moving parts, breakage of parts, and any other

condition that may affect the tool’s operation. If damaged, have the tool serviced
before using. Many accidents are caused by poorly maintained tools.

• Use only accessories that are recommended by the manufacturer for your model.
Accessories that may be suitable for one tool, may become hazardous when used on
another tool.

SERVICE

• Tool service must be performed only by qualified repair personnel. Service or mainte­nance performed by unqualified personnel could result in a risk of injury.

• When servicing a tool, use only identical replacement parts. Follow instructions in the
Maintenance section of this manual. Use of unauthorized parts or failure to follow mainte­nance instructions may create a risk of electric shock or injury.

Additional Safety Instructions for Sanders

• Accessories must be rated for at least the speed recommended on the tool warning
label. Wheels and other accessories running over rated speed can fly apart and cause injury.

Accessory ratings must be above listed minimum wheel speed as shown on tool nameplate.

• Hold tool by insulated gripping surfaces when performing an operation where the cut­ting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make

exposed metal parts of the tool “live” and shock the operator.

• Always wear eye protection and a respirator when sanding.

• Sanding of lead-based paint is not recommended. See Precautions To Take When
Sanding Paint for additional information before sanding paint.

• Do not operate the unit without the dust collection bag.

• Clean your tool out periodically.

• Empty dust bag frequently, especially when sanding resin coated surfaces such as
polyurethane, varnish, shellac, etc. Dispose of coated dust particles according to the finish

manufacturer’s guidelines, or place in a metal can with a tight-fitting metal lid. Remove coated
dust particles from the premises daily. The accumulation of fine sanding dust particles may
self ignite and cause fire.

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other con-

struction activities contains chemicals known to cause cancer, birth defects or other reproduc­tive harm. Some examples of these chemicals are:

• lead from lead-based paints,

• crystalline silica from bricks and cement and other masonry products, and

• arsenic and chromium from chemically-treated lumber (CCA).

Your risk from these exposures varies, depending on how often you do this type of work. To
reduce your exposure to these chemicals: work in a well ventilated area, and work with approved
safety equipment, such as those dust masks that are specially designed to filter out microscop­ic particles.

• Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and

other construction activities. Wear protective clothing and wash exposed areas with
soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin may promote

absorption of harmful chemicals.

WARNING: Use of this tool can generate and/or disburse dust, which may cause serious and

permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory protection
appropriate for the dust exposure. Direct particles away from face and body.

CAUTION: Wear appropriate hearing protection during use. Under some conditions and

duration of use, noise from this product may contribute to hearing loss.

• The label on your tool may include the following symbols. The symbols and their definitions
are as follows:

V ..............volts A................amperes

Hz ............hertz W ..............watts

min............minutes ............alternating current

..........direct current

n

o..............no load speed

..............Class II Construction ..............earthing terminal

..............safety alert symbol .../min ........revolutions per minute

SAVE THESE INSTRUCTIONS

COMPONENTS (Fig. 1)

A. On/Off switch E. Vac-adapter
B. Clamp lever F. Paper clamp
C. Base plate/pad G. Paper-limiting ribs
D. Dust collection bag

Motor

Your DEWALT tool is powered by a DEWALT-built motor. Be sure your power supply agrees with
the nameplate marking (Volts, 120 AC only). A Voltage decrease of more than 10% will cause
loss of power and overheating. All tools D

EWALT tools are factory tested; if this tool does not

operate, check the power supply.

Attaching Abrasive Paper (Fig. 1, 2)

CAUTION: Turn off and unplug the tool before making any adjustments or removing

or installing attachments or accessories. Be sure the switch is in the OFF position.

Your sander is designed to use 1/4-sized sanding sheets. Pre-cut 4-1/2" x 5-1/2" sandpaper is
available at extra cost.

TO MAKE 4-1/2" X 5-1/2" SANDPAPER

a. Cut full-sized (9" x 11") sandpaper into 1/4 sheets of 4-1/2" x 5-1/2".
b. Cut 1/2 sheet sandpaper into two 4-1/2" x 5-1/2" sheets.

For normal operation, assemble the abrasive paper to your unit as follows:

1. Soften the stiff sandpaper by pulling it over the 90° edge of a table or other straight edge, as
shown in Figure 2. Concentrate on softening the edges to be clamped.

2. Release the clamp by pulling up on the clamp lever (B) and disengaging it from the tab on the
base plate/pad (C).

3. Insert the 4-1/2" edge of the abrasive paper under the front paper clamp (F) until it hits the
paper-limiting ribs (G). Close the front paper clamp and hook it into the lock position behind
the tab on the base plate/pad.

4. Stretch paper over sanding pad and insert under the opposite clamp in the same way.

5. If you are using the dust extraction feature, perforate the sandpaper (see Paper Punch).

DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286

(AUG04) Form No. 624290-00 D26441 Copyright © 2004 D

EWALT

The following are trademarks for one or more D

EWALT power tools: the yellow and black color

scheme; the “D” shaped air intake grill; the array of pyramids on the handgrip; the kit box
configuration; and the array of lozenge-shaped humps on the surface of the tool.

Questions? See us in the World Wide Web at www.dewalt.com

Switch (Fig. 3)

To turn the unit on, depress the side of the dust-protected switch (A) that corresponds to the
symbol “I”. To turn the tool off, depress the side of the switch that corresponds to the symbol “O”.

Paper Punch (Fig. 4, 5)

CAUTION: Turn off and unplug the tool before making any adjustments or removing

or installing attachments or accessories. Be sure the switch is in the OFF position.

A paper punch (H) is provided with your sander to let you perforate regular sandpaper to make
dust collection possible.

TO PERFORATE YOUR SANDPAPER

Install the sandpaper on the tool as instructed in this manual. With the sander turned off and
unplugged, place the paper punch on the paper so that the tabs (I) at the edges of the punch
are against any two adjacent sides of the sanding pad, as shown. Press the punch against the
pad so that the 8 points penetrate the paper, as shown in Figure 5. (Press the punch into the
pad as far as it will go.) Remove the paper punch and the paper is ready.

An alternate method of perforating the paper is to securely fasten the punch to a suitable work
surface. Two holes are provided in the punch for this purpose. Use #8 flat head screws. Press
the sander (with the paper attached) down on the punch.

Dust Extraction (Fig. 6)

CAUTION: Turn off and unplug the tool before making any adjustments or removing

or installing attachments or accessories. Be sure the switch is in the OFF position.

Your sander has two dust collection methods: a twist-on dust collection bag (D) and a built-in
vac-adapter (E) which can be hooked directly to a shop vaccum system.

TO EMPTY DUST BAG

1. While holding the sander, grasp the dust collection bag (D) at the end nearest the sander
and twist off of the vac-adapter (E).

2. Gently shake or tap the dust collection bag to empty.

3. Twist dust collection bag back onto the vac-adapter.

You may notice that all the dust will not come free from the bag. This will not affect sanding
performance but will reduce the sander’s dust collection efficiency. To restore your sander’s
dust collection efficiency, depress the spring inside the dust bag when you are emptying it and
tap it on the side of the trash can or dust receptacle.

CAUTION: Never operate these tools unless the dust collector is in place. Sanding dust

exhaust may create a breathing hazard.

OPERATION (Fig. 7)

To operate your sander, grasp it as shown in Figure 7A or 7B and turn it on. Move it in long,
sweeping strokes along the surface being sanded, letting the sander do the work. Pushing down
on the tool while sanding actually slows the removal rate and produces an inferior quality sur­face. Be sure to check your work often, this sander is capable of removing material rapidly, espe­cially with coarse paper.

Your sander is designed to sand flush on three sides for sanding in corners, and its small size
and light weight make it ideal for overhead work.

The orbital action of your sander allows you to sand with the grain or at any angle across it for
most sanding jobs. On the final sanding steps, as discussed below, a better finish will result if
you sand only with the grain.

To produce the best finish possible, start with coarse grit sandpaper and change gradually to
finer and finer paper. A final sanding with a piece of well-worn fine sandpaper will produce a pro­fessional-looking finish that in many cases will need no hand sanding at all. The rate at which
the dust collection bag will fill up will vary with the type of material being sanded and the coarse­ness of the sandpaper. For best results, empty the bag frequently and check the opening for
clogging.

When sanding painted surfaces, you may find that the sandpaper loads up and clogs with paint.
A heat gun will work much better to remove paint before sanding. FOLLOW ALL SAFETY
INSTRUCTIONS IN HEAT GUN INSTRUCTION MANUAL.

Precautions To Take When Sanding Paint

1. Sanding of lead based paint is NOT RECOMMENDED due to the difficulty of controlling the
contaminated dust. The greatest danger of lead poisoning is to children and pregnant women.

2. Since it is difficult to identify whether or not a paint contains lead without a chemical analysis,
we recommend the following precautions when sanding any paint:

PERSONAL SAFETY

1. No children or pregnant women should enter the work area where the paint sanding is

being done until all clean up is completed.

2. A dust mask or respirator should be worn by all persons entering the work area. The filter

should be replaced daily or whenever the wearer has difficulty breathing. See your local
hardware store for the proper N.I.O.S.H. approved dust mask.

3. NO EATING, DRINKING or SMOKING should be done in the work area to prevent ingest-

ing contaminated paint particles. Workers should wash and clean up BEFORE eating,
drinking or smoking. Articles of food, drink, or smoking should not be left in the work area
where dust would settle on them.

ENVIRONMENTAL SAFETY

1. Paint should be removed in such a manner as to minimize the amount of dust generated.

2. Areas where paint removal is occurring should be sealed with plastic sheeting of 4 mils

thickness.

3. Sanding should be done in a manner to reduce tracking of paint dust outside the work

area.

CLEANING AND DISPOSAL

1. All surfaces in the work area should be vacuumed and thoroughly cleaned daily for the

duration of the sanding project. Vacuum filter bags should be changed frequently.

2. Plastic drop cloths should be gathered up and disposed of along with any dust chips or

other removal debris. They should be placed in sealed refuse receptacles and disposed
of through regular trash pick-up procedures. During clean up, children and pregnant
women should be kept away from the immediate work area.

3. All toys, washable furniture and utensils used by children should be washed thoroughly

before being used again.

Tool Care

• Keep your machine as clean as possible by wiping with a clean cloth and blowing through it
with air after every 5 hours of use.

• Don’t use harsh chemicals or solvents to clean the tool. These chemicals could seriously
damage the plastic.

• Avoid overloading your sander. Overloading will result in a considerable reduction in speed
and efficiency and the unit will become hot. In this event, run sander at a “no load” condition
for a minute or two.

Brush Replacement (Fig. 8, 9)

CAUTION: Turn off and unplug the tool before making any adjustments or removing

or installing attachments or accessories. Be sure the switch is in the OFF position.

TO REPLACE BRUSHES

1. Remove the three screws from the top cap and lift off the top cap, as shown in Figure 8.

2. Pull the brush spring (J) back (be careful not to pull completely off) and slide out the old
brush.

3. Pull the brush wire (L) which is connected to the brush, out of the motor field (K).

4. Plug the new brush wire back into the motor field.

5. Still holding the brush spring back, slide in the new brush with the wire coming out the top
of the brush and release the brush spring.

6. Repeat steps 1–5 for the second brush.

7. Replace the top cap and tighten the three screws. Be careful not to over-tighten screws.

8. Always replace both brushes.

Accessories

Recommended accessories for use with your tool are available at extra cost from your local deal­er or authorized service center. If you need assistance in locating any accessory for your tool,
contact: D

EWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286 or call 1-800-

4-DEWALT (1-800-433-9258).

FIG. 3

FIG. 4

H

FIG. 5

FIG. 2

FIG. 1

E

C

B

FIG. 6

FIG. 8

FIG. 9

FIG. 7A

CAUTION: The use of any other accessory not recommended for use with this tool could be

hazardous.

Lubrication

Self lubricating bearings are used in the tool and periodic relubrication is not required. However,
it is recommended that, once a year, you take or send the tool to a service center for a thorough
cleaning and inspection.

Repairs

To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment should
be performed by authorized service centers or other qualified service personnel, always
using identical replacement parts.

Three Year Limited Warranty

DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three
years from the date of purchase. This warranty does not cover part failure due to normal wear
or tool abuse. For further detail of warranty coverage and warranty repair information, visit
www.dewalt.com or call 1-800-4-D

EWALT (1-800-433-9258). This warranty does not apply to

accessories or damage caused where repairs have been made or attempted by others. This
warranty gives you specific legal rights and you may have other rights which vary in certain
states or provinces.

F

G

I

FIG. 7B

A

A

D

D

E

I

J

K

L