293741 - 09-30-01.qxd 2/13/02 9:31 AM Page 1
ESPAÑOL: PÁGINA 11
FRANÇAISE : PAGE 21
Instruction
manual
Double Insulated
Disc Polisher
MODEL
7428
IMPORTANT
Please make certain that the person who is
to use this equipment carefully reads and
understands these instructions before
starting operations.
To learn more about Porter-Cable
visit our website at:
The Model and Serial No. plate is located on the main
housing of the tool. Record these numbers in the
spaces below and retain for future reference.
Model No. ______________________________________
Type ___________________________________________
Serial No._______________________________________
Part No. 293741 - 09-30-01
Copyright © 2001 PORTER-CABLE Corporation
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293741 - 09-30-01.qxd 2/13/02 9:31 AM Page 3
2. Dress properly. Do not wear loose clothing or jewelry. Contain long
hair. Keep your hair, clothing, and gloves away from moving parts.
Loose clothes, jewelry, or long hair can be caught in moving parts.
3. 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.
4. 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.
5. Do not overreach. Keep proper footing and balance at all times.
Proper footing and balance enable better control of the tool in unexpected
situations.
6. Use safety equipment. Always wear eye protection. Dust mask, non-
skid safety shoes, hard hat, or hearing protection must be used for
appropriate conditions.
TOOLS USE AND CARE
1. 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.
2. 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.
3. Do not use tool if switch does not turn it ON or OFF. A tool that
cannot be controlled with the switch is dangerous and must be repaired.
4. Disconnect the plug from the power source before making any
adjustments, changing accessories, or storing the tool. Such preventive
safety measures reduce the risk of starting the tool accidentally.
5. Store idle tools out of reach of children and other untrained
persons. Tools are dangerous in the hands of untrained users.
6. 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.
7. 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.
8. 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
1. Tool service must be performed only by qualified repair personnel.
Service or maintenance performed by unqualified personnel may result in a
risk of injury.
2. 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.
3
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SPECIFIC SAFETY RULES AND SYMBOLS
1. 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.
2. 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 also make exposed metal parts of the
tool “live” and shock the operator.
3.
WARNING: There are certain applications for which this tool was
designed. Porter-Cable strongly recommends that this tool NOT be modified
and/or used for any application other than for which it was designed. If you
have any questions relative to its application DO NOT use the tool until you
have written Porter-Cable and we have advised you.
Technical Service Manager
Porter-Cable Corporation
4825 Highway 45 North
Jackson, TN 38305
SYMBOL
DEFINITION
.......................... volts
V
A
.......................... amperes
.......................... hertz
.......................... watts
.......................... kilowatts
.......................... microfarads
.......................... liters
Hz
W
kW
µF
l
kg
.......................... kilograms
N/cm2 .......................... newtons per square centimeter
Pa
h
min
s
.......................... pascals
.......................... hours
.......................... minutes
.......................... seconds
.......................... alternating current
3
.......................... three-phase alternating current
3N
.......................... three-phase alternating current with neutral
______
.......................... direct current
.......................... no load
– – – –
n0
.......................... alternating or direct current
.......................... Class II Construction
.......................... splash-proof construction
.......................... watertight construction
…/min .......................... revolutions or reciprocation per minute
4
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MOTOR
Many Porter-Cable tools will operate on either D.C., or single phase 25 to 60
cycle A.C. current and voltage within plus or minus 5 percent of that shown
on the specification plate on the tool. Several models, however, are designed
for A.C. current only. Refer to the specification plate on your tool for proper
voltage and current rating.
CAUTION: Do not operate your tool on a current on which the
voltage is not within correct limits. Do not operate tools rated A.C.
only on D.C. current. To do so may seriously damage the tool.
EXTENSION CORD SELECTION
If an extension cord is used, make sure the conductor size is large enough to
prevent excessive voltage drop which will cause loss of power and possible
motor damage. A table of recommended extension cord sizes will be found
in this section. This table is based on limiting line voltage drop to 5 volts (10
volts for 230 volts) at 150% of rated amperes.
If an extension cord is to be used outdoors it must be marked with the suffix
W-A or W following the cord type designation. For example – SJTW-A to
indicate it is acceptable for outdoor use.
RECOMMENDED EXTENSION CORD SIZES FOR USE WITH PORTABLE ELECTRIC TOOLS
Length of Cord in Feet
115V
230V
25 Ft.
50 Ft.
50 Ft.
100 Ft. 150 Ft. 200 Ft.
250 Ft. 300 Ft.
500 Ft. 600 Ft.
400 Ft. 500 Ft.
800 Ft. 1000 Ft.
100 Ft. 200 Ft. 300 Ft. 400 Ft.
0-2
2-3
18
18
18
18
18
18
18
16
16
16
14
14
18
18
18
18
16
16
14
14
12
12
12
12
18
16
16
14
14
12
12
10
10
10
8
16
14
14
12
12
10
10
8
16
14
12
12
10
10
8
14
12
12
10
10
8
14
12
10
10
8
12
10
10
8
12
10
8
3-4
4-5
8
5-6
8
6
6-8
6
6
6
8-10
10-12
12-14
14-16
16-18
18-20
8
6
6
4
8
6
6
4
4
8
6
6
6
4
2
8
6
6
4
4
2
8
6
4
4
2
2
8
6
6
4
4
2
2
FUNCTIONAL DESCRIPTION
FOREWORD
The Porter-Cable Polisher is designed for buffing, polishing, rubbing, and
general cleaning jobs.
ASSEMBLY
TO INSTALL BAILING HANDLE
A bailing handle (A), Fig. 1, is furnished with the polisher. The bailing handle
may be installed on either side of the front housing to facilitate either right-
handed or left-handed operation. NOTE: This bailing handle SHOULD BE
USED AT ALL TIMES to maintain complete control of the machine.
Attach bailing handle (A) Fig. 2 with two M8 x 1 cap screws provided one of
which is shown at (B) Fig. 2. Tighten securely with 6mm allen wrench
provided.
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293741 - 09-30-01.qxd 2/13/02 9:31 AM Page 6
B
A
A
Fig. 1
Fig. 2
TO INSTALL BACK-UP PAD
The Porter-Cable Polisher has a “Hook
& Loop” style back-up pad. No
wrenches are required for installation
or removal of the back-up pad or
accessories.
1. CAUTION: DISCONNECT TOOL
FROM POWER SOURCE.
2. Depress spindle lock button (A) Fig.
3 and rotate back-up pad clockwise
onto spindle until it is firmly seated.
A
3. Align “Hook & Loop” accessories
with pad and press firmly into place.
Fig. 3
OPERATION
TO START AND STOP THE MACHINE
CAUTION: Make sure switch is OFF and power circuit voltage is the
same as that shown on the specification plate.
1. Connect tool to power source.
2. Grip machine firmly to resist starting torque.
3. Squeeze trigger switch (A), Fig. 4, to turn tool “ON”. When released, the
switch will return to the “OFF” position.
4. To lock the switch in the “ON” position: with switch “ON” press switch
lock button (B) Fig. 4, and hold while releasing the trigger. To release the
switch lock: press the trigger switch.
B
A
Fig. 4
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C
Fig. 5
VARIABLE SPEED
Speed is adjusted two ways:
1. With switch (A) Fig. 4, in the locked ON position use thumbwheel (C) Fig.
5, to adjust the speed (approximately 1000 RPM to 3000 RPM).
2. Switch (A) Fig. 4, can also be used to adjust the speed, 0 RPM to
approximately 3000 RPM, with maximum speed depending on the position
of thumbwheel (C) Fig. 5.
USING POLISHER
1. If item to be polished is light
enough to be moved by the
rotating polishing pad, it should
be securely anchored to prevent
possible bodily injury.
2. Hold polisher firmly by the
rear and auxiliary handles (see
Fig. 6), making sure polishing pad
is clear of work and foreign
objects. Start polisher and lower
at an angle so that approximately
Fig. 6
1/2 or slightly less of the polishing
pad contacts the work.
3. Move polisher in long continuous sweeping strokes. DO NOT HOLD
POLISHER IN ONE SPOT as this will create heat and possibly damage
surface being polished.
4. Lift polisher from work before turning off motor.
5. Always be sure motor has stopped before setting polisher down.
6. When using polisher to apply products (polishes, waxes, cleaners, etc).
always:
Read and follow directions supplied with product.
Start and stop polisher with pad against work surface, do not run
polisher while pad is not in contact with work surface.
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POLISHING TIPS
USE ONLY QUALITY POLISH MADE FOR POWER POLISHING APPLICATION
and apply per manufacturer’s instructions.
For best results, thoroughly clean surface to be polished.
When polishing automobiles, wash the car thoroughly to remove dust, dirt
and other abrasives that may scratch the finish.
Buffs or pads may become gummed up after a period of use. They may be
washed out with soap and water. Shake out as much water as possible and
then spin dry on machine. Do this in an area where you will not splatter articles.
MAINTENANCE
KEEP TOOL CLEAN
Periodically blow out all air passages with dry compressed air. All plastic
parts should be cleaned with a soft damp cloth. NEVER use solvents to clean
plastic parts. They could possibly dissolve or otherwise damage the material.
CAUTION: Wear safety glasses while using compressed air.
FAILURE TO START
Should your tool fail to start, check to make sure the prongs on the cord plug
are making good contact in the outlet. Also, check for blown fuses or open
circuit breakers in the line.
LUBRICATION
This tool has been lubricated with a sufficient amount of high grade lubricant
for the life of the unit under normal operating conditions. No further
lubrication is necessary.
BRUSH INSPECTION AND LUBRICATION
For your continued safety and electrical protection, brush inspection and
replacement on this tool should ONLY be performed by an AUTHORIZED
PORTER-CABLE SERVICE STATION or a PORTER-CABLE/DELTA SERVICE
CENTER.
At approximately 100 hours of use, take or send your tool to your nearest
Authorized Porter-Cable Service Station to be thoroughly cleaned and
inspected; worn parts replaced, when necessary; relubricated with fresh
lubricant, if required; reassembled with new brushes; and performance tested.
Any loss of power before the above maintenance check may indicate the
need for immediate servicing of your tool. DO NOT CONTINUE TO OPERATE
TOOL UNDER THIS CONDITION. If proper operating voltage is present,
return your tool to the service station for immediate service.
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SERVICE AND REPAIRS
All quality tools will eventually require servicing or replacement of parts due
to wear from normal use. These operations, including brush inspection and
replacement, should ONLY be performed by either an AUTHORIZED
PORTER-CABLE SERVICE STATION or a PORTER-CABLE/DELTA SERVICE
CENTER. All repairs made by these agencies are fully guaranteed against
defective material and workmanship. We cannot guarantee repairs made or
attempted by anyone other than these agencies.
Should you have any questions about your tool, feel free to write us at any
time. In any communications, please give all information shown on the
nameplate of your tool (model number, type, serial number, etc.).
ACCESSORIES
A complete line of accessories is available from your Porter-Cable •
Delta Supplier, Porter-Cable • Delta Factory Service Centers, and
Porter-Cable Authorized Service Stations. Please visit our Web Site
www.porter-cable.com for a catalog or for the name of your nearest
supplier.
WARNING: Since accessories, other than those offered by Porter-Cable
• Delta, have not been tested with this product, use of such accessories
could be hazardous. For safest operation, only Porter-Cable • Delta
recommended accessories should be used with this product.
9
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PORTER-CABLE LIMITED
ONE YEAR WARRANTY
Porter-Cable warrants its Professional Power Tools for a period of one year from the date of original
purchase. We will repair or replace at our option, any part or parts of the product and accessories
covered under this warranty which, after examination, proves to be defective in workmanship or
material during the warranty period. For repair or replacement return the complete tool or accessory,
transportation prepaid, to your nearest Porter-Cable Service Center or Authorized Service Station.
Proof of purchase may be required. This warranty does not apply to repair or replacement required
due to misuse, abuse, normal wear and tear or repairs attempted or made by other than our Service
Centers or Authorized Service Stations.
ANY IMPLIED WARRANTY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WILL LAST ONLY FOR ONE (1) YEAR FROM THE DATE
OF PURCHASE.
To obtain information on warranty performance please write to: PORTER-CABLE CORPORATION,
4825 Highway 45 North, Jackson, Tennessee 38305; Attention: Product Service. THE FOREGOING
OBLIGATION IS PORTER-CABLE’S SOLE LIABILITY UNDER THIS OR ANY IMPLIED WARRANTY
AND UNDER NO CIRCUMSTANCES SHALL PORTER-CABLE BE LIABLE FOR ANY INCIDENTAL
OR CONSEQUENTIAL DAMAGES. Some states do not allow limitations on how long an implied
warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
This warranty gives you specific legal rights and you may also have other legal rights which vary
from state to state.
10
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PORTER-CABLE • DELTA SERVICE CENTERS
(CENTROS DE SERVICIO DE PORTER-CABLE • DELTA)
(CENTRE DE SERVICE PORTER-CABLE • DELTA)
Parts and Repair Service for Porter-Cable
(Obtenga Refaccion de Partes o Servicio para su Herramienta en los Siguientes Centros de Porter-Cable
(Locations où vous trouverez les pièces de rechange nécessaires ainsi qu’un service d’entretien)
•
Delta Power Tools are Available at These Locations
•
Delta)
ARIZONA
ILLINOIS
MINNESOTA
Cleveland 44125
Tempe 85282 (Phoenix)
2400 West Southern Avenue
Suite 105
Phone: (602) 437-1200
Fax: (602) 437-2200
Addison 60101 (Chicago)
311 Laura Drive
Phone: (630) 628-6100
Fax: (630) 628-0023
Minneapolis 55429
8001 Sweet Valley Drive Unit #19
Phone: (216) 447-9030
Fax: (216) 447-3097
5522 Lakeland Avenue North
Phone: (763) 561-9080
Fax: (763) 561-0653
OREGON
Woodridge 60517 (Chicago)
2033 West 75th Street
Phone: (630) 910-9200
Fax: (630) 910-0360
MISSOURI
Portland 97230
CALIFORNIA
North Kansas City 64116
1141 Swift Avenue
P.O. Box 12393
Phone: (816) 221-2070
Fax: (816) 221-2897
4916 NE 122 nd Ave.
Phone: (503) 252-0107
Fax: (503) 252-2123
Ontario 91761 (Los Angeles)
3949A East Guasti Road
Phone: (909) 390-5555
Fax: (909) 390-5554
MARYLAND
PENNSYLVANIA
Elkridge 21075 (Baltimore)
7397-102 Washington Blvd.
Phone: (410) 799-9394
Fax: (410) 799-9398
Willow Grove 19090
520 North York Road
Phone: (215) 658-1430
Fax: (215) 658-1433
San Leandro 94577 (Oakland)
3039 Teagarden Street
Phone: (510) 357-9762
Fax: (510) 357-7939
St. Louis 63119
7574 Watson Road
Phone: (314) 968-8950
Fax: (314) 968-2790
MASSACHUSETTS
Braintree 02185 (Boston)
719 Granite Street
Phone: (781) 848-9810
Fax: (781) 848-6759
TEXAS
FLORIDA
NEW YORK
Carrollton 75006 (Dallas)
1300 Interstate 35 N, Suite 112
Phone: (972) 446-2996
Fax: (972) 446-8157
Davie 33314 (Miami)
4343 South State Rd. 7 (441)
Unit #107
Phone: (954) 321-6635
Fax: (954) 321-6638
Flushing 11365-1595 (N.Y.C.)
175-25 Horace Harding Expwy.
Phone: (718) 225-2040
Fax: (718) 423-9619
Franklin 02038 (Boston)
Franklin Industrial Park
101E Constitution Blvd.
Phone: (508) 520-8802
Fax: (508) 528-8089
Houston 77055
NORTH CAROLINA
Charlotte 28270
9129 Monroe Road, Suite 115
Phone: (704) 841-1176
Fax: (704) 708-4625
West 10 Business Center
1008 Wirt Road, Suite 120
Phone: (713) 682-0334
Fax: (713) 682-4867
Tampa 33609
4538 W. Kennedy Boulevard
Phone: (813) 877-9585
Fax: (813) 289-7948
MICHIGAN
WASHINGTON
GEORGIA
Madison Heights 48071 (Detroit)
30475 Stephenson Highway
Phone: (248) 597-5000
Fax: (248) 597-5004
OHIO
Renton 98055 (Seattle)
268 Southwest 43rd Street
Phone: (425) 251-6680
Fax: (425) 251-9337
Forest Park 30297 (Atlanta)
5442 Frontage Road, Suite 112
Phone: (404) 608-0006
Fax: (404) 608-1123
Columbus 43214
4560 Indianola Avenue
Phone: (614) 263-0929
Fax: (614) 263-1238
Authorized Service Stations are located in many large cities. Telephone 800-487-8665 or 731-541-6042 for assistance locating one.
Parts and accessories for Porter-Cable Delta products should be obtained by contacting any Porter-Cable Delta Distributor,
Authorized Service Center, or Porter-Cable Delta Factory Service Center. If you do not have access to any of these, call 888-848-5175
and you will be directed to the nearest Porter-Cable Delta Factory Service Center. Las Estaciones de Servicio Autorizadas están
ubicadas en muchas grandes ciudades. Llame al 800-487-8665 ó al 731-541-6042 para obtener asistencia a fin de localizar una. Las
piezas y los accesorios para los productos Porter-Cable Delta deben obtenerse poniéndose en contacto con cualquier distribuidor
Porter-Cable Delta, Centro de Servicio Autorizado o Centro de Servicio de Fábrica Porter-Cable Delta. Si no tiene acceso a ninguna
de estas opciones, llame al 888-848-5175 y le dirigirán al Centro de Servicio de Fábrica Porter-Cable Delta más cercano. Des centres
de service agréés sont situés dans beaucoup de grandes villes. Appelez au 800-487-8665 ou au 731-541-6042 pour obtenir de l’aide
pour en repérer un. Pour obtenir des pièces et accessoires pour les produits Porter-Cable Delta, s’adresser à tout distributeur Porter-
Cable Delta, centre de service agréé ou centre de service d’usine Porter-Cable Delta. Si vous n’avez accès à aucun de ces centres,
appeler le 888-848-5175 et on vous dirigera vers le centre de service d’usine Porter-Cable Delta le plus proche.
•
•
•
•
•
•
•
•
•
•
•
•
CANADIAN PORTER-CABLE • DELTA SERVICE CENTERS
QUÉBEC
ALBERTA
MANITOBA
1515 Ave.
Bay 6, 2520-23rd St. N.E.
Calgary, Alberta
T2E 8L2
1699 Dublin Avenue
Winnipeg, Manitoba
R3H 0H2
St-Jean Baptiste,
Québec, Québec
G2E 5E2
Phone: (418) 877-7112
Fax: (418) 877-7123
Phone: (403) 735-6166
Fax: (403) 735-6144
Phone: (204) 633-9259
Fax: (204) 632-1976
BRITISH COLUMBIA
8520 Baxter Place
Burnaby, B.C.
V5A 4T8
Phone: (604) 420-0102
Fax: (604) 420-3522
ONTARIO
1447, Begin
St-Laurent, (Montréal), Québec
H4R 1V8
Phone: (514) 336-8772
Fax: (514) 336-3505
505 Southgate Drive
Guelph, Ontario
N1H 6M7
Phone: (519) 836-2840
Fax: (519) 767-4131
The following are trademarks of PORTER-CABLE
•
DELTA (Las siguientes son marcas registradas de PORTER-CABLE
•
DELTA S.A.) (Les
marques suivantes sont des marques de fabriquant de la PORTER-CABLE
•
DELTA): BAMMER®, LASERLOC®, OMNIJIG®, POCKET CUTTER®,
PORTA-BAND®, PORTA-PLANE®, PORTER-CABLE®, QUICKSAND®, SANDTRAP®, SAW BOSS®, SPEED-BLOC®, SPEEDMATIC®,
SPEEDTRONIC®, STAIR-EASE®, THE PROFESSIONAL EDGE®, THE PROFESSIONAL SELECT®, TIGER CUB®, TIGER SAW®, TORQ-BUSTER®,
VERSA-PLANE®, WHISPER SERIES®, DURATRONIC™, FRAME SAW™, INNOVATION THAT WORKS™, JETSTREAM™, MICRO-SET™,
MORTEN™, NETWORK™, RIPTIDE™, TRU-MATCH™, WOODWORKER’S CHOICE™, THE AMERICAN WOOD SHOP™ (design) , AUTO-
SET™, B.O.S.S.™, BUILDER’S SAW™, CONTRACTOR’S SAW™, DELTA™, DELTACRAFT™, HOMECRAFT™, JET-LOCK™, KICKSTAND™,
THE LUMBER COMPANY™ (design). MICRO-SET™, Q3™, QUICKSET II™, QUICKSET PLUS™, SAFEGUARD II™, SANDING CENTER™,
SIDEKICK™, UNIFENCE™, UNIGUARD™, UNIRIP™, UNISAW™, VERSA-FEEDER™ , TPS™, Emc²™.
Trademarks noted with ™ and ® are registered in the United States Patent and Trademark Office and may also be registered in other
countries. Las Marcas Registradas con el signo de ™ y ® son registradas por la Oficina de Registros y Patentes de los Estados Unidos y
también pueden estar registradas en otros países. Marques déposées, indiquées par la lettre ™ et ®, sont déposées au Bureau des brevets
d’invention et marques déposées aux Etats-Unis et pourraient être déposées aux autres pays.
Printed in U.S.A.
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