Nilfisk-ALTO 3DS User Manual
Operator's
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3DS
Manual
READ THIS BOOK
This book has important information for the use and safe operation of this machine. Failure to read this
book prior to operating or attempting any service or maintenance procedure to your ALTO machine could
result in injury to you or to other personnel; damage to the machine or to other property could occur as
well. You must have training in the operation of this machine before using it. If you cannot read English,
have this manual explained fully before attempting to operate this machine.
Si Ud. o sus operadores no pueden leer el Inglés, se hagan explicar este manual completamente antes
de tratar el manejo o servicio de esta máquina.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
For new books write to: ALTO U.S. Inc., 2100 Highway 265, Springdale, Arkansas 72764.
Form No. 74845A 3/01 AMERICAN SANDERS TECHNOLOGY Printed in the U.S.A.
Contents of this Book
Operator Safety Instructions........................................................3
Explanation of Hazard Symbols ...................................................4
Introduction and Machine Specifications ......................................5
Instructions On Connection To Power Supply 230 Volt................6
Machine Breakdown/Transportation ............................................7
Machine Set-Up ...........................................................................9
Operating Instructions................................................................10
Maintenance ..............................................................................11
User Maintenance................................................................11
Service Maintenance............................................................11
Section II Parts and Service Manual
Troubleshooting .........................................................................14
Sanding Cuts and Sandpaper ....................................................15
Accessories ...............................................................................16
Assembly Drawing #1 ................................................................18
Assembly Parts List #1..............................................................19
Assembly Drawing #2 ................................................................20
Assembly Parts List #2..............................................................21
Electrical Schematic ..................................................................22
Page 2 AMERICAN SANDERS TECHNOLOGY Operator’s Manual - 3DS
OPERATOR SAFETY INSTRUCTIONS
WARNING AVERTISSEMENT ADVERTENCIA
DANGER means: Severe bodily injury or death can or will occur to you or other personnel if
the DANGER statements found on this machine or in this Operator's Manual
are ignored or are not adhered to. Read and observe all DANGER state-
ments found in this Operator's Manual and on your machine.
WARNING means: Severe injury can occur to you or to other personnel if the WARNING
statements found on your machine or in this Operator's Manual are ignored
or are not adhered to. Read and observe all WARNING statements found in
this Operator's Manual and on your machine.
CAUTION means: Minor personnal injury, property damage, or damage to machine can occur if
the CAUTION statements found on your machine or in this Owner's Manual
are ignored or are not adhered to. Read and observe all CAUTION state-
ments found in this Operator's Manual and on your machine.
DANGER: Failure to read the Operator's Manual prior to operating or servicing your machine could
result in injury to you or to other personnel; damage to the machine or to other property could
occur as well. You must have training in the operation of this machine before using it. If you
cannot read English, have this manual explained fully before attempting to operate
this machine.
DANGER: Operating a machine that is not completely or fully assembled can result in injury to the
operator or property damage. Do not operate this machine until it is completely assembled.
Keep all fasteners tight. Keep adjustments according to machine specifications.
DANGER: Explosive materials, severe bodily injury or death can occur. Sanding/finishing wood floors
can create an explosive or combustible environment. Do not operate this machine around
solvents, thinners, alcohol, fuels, floor finishes, wood dust or any other flammable materials.
Vapors and wood dust generated by sanding or finishing wood flooring can create an
explosive environment. Cigarette lighters, pilot lights, electrical sparks and all other sources
of ignition should be extinguished or avoided. Keep work area
well ventilated.
DANGER: Dust generated from sanding wood floors can spontaneously ignite or explode. Promptly
dispose of any sanding dust in a metal container clear of any combustibles. Do not dispose
in a fire.
DANGER: Electrocution could occur if the machine is being serviced while the machine is connected
to a power source. Disconnect the power supply before servicing. Always remove the
electrical plug from the power source before changing the brush pad or other attachment.
Always disconnect the power supply before leaving the machine.
DANGER: Electrocution or fire could occur if the machine is being operated with a damaged power
cord. Keep the power cord clear of the pad. Always lift the cord over the machine. Do not
move the machine by the power cord.
DANGER: Electrocution could occur if the machine is used on an ungrounded electrical circuit. Always
use a three-wire electrical system connected to the electrial ground. Never remove or
disable the grounding supply conductor on the electrical cord. Consult an electrician if the
grounding conductor is missingf or if you suspect your circuit is not grounded properly.
WARNING: Always use a three-wire electrical system connected to the electrical ground. For maximum
protection against electric shock, use a circuit that is protected by a ground fault interrupter.
Consult your electrical contractor.
AMERICAN SANDERS TECHNOLOGY Operator’s Manual - 3DS Page 3
DANGER: To avoid injury keep hands, feet, and loose clothing away from all moving parts on the
machine. Disconnect the power cord before replacing the pad, changing the abrasive, or
when servicing. Do not operate the machine unless all guards are in place. Never leave
the machine unattended while connected to a power source.
WARNING: Shock hazard. Electrical components of this machine can “short-out” if exposed to water
or moisture. Keep the electrical components of the machine dry. Wipe the machine down
after each use. For storage, keep the machine in a dry building.
WARNING: Injury can occur if protective clothing or equipment is not used while sanding. Always wear
safety goggles, protective clothing, and dust mask while sanding.
WARNING: Any alterations or modifications of this machine could result in damage to the machine or
injury to the operator or other bystanders. Alterations or modifications not authorized by the
manufacturer voids any and all warranties and liabilities.
WARNING: Operating a machine without observing all labels and instructional information could result
in injury to the operator or damage to the machine. Read all machine labels before
attempting to operate the machine. Make sure all of the labels and instructional information
are attached or fastened to the machine. Get replacement labels and decals from your
authorized distributor.
WARNING: The machine is heavy. Injury could occur to the operator or other bystanders unless proper
lifting procedures are used. Get help to lift the machine.
Explosion
Electrical Shock
Failure to read operator’s manual could result in injury to operator or damage to
machine.
The symbol of a flame shows that the material can ignite and burn you.
The symbol of a man with voltage going through him depicts electrocution
or shock. This can cause death or severe injury.
This symbol refers to the danger of moving parts. Injury can occur.
This symbol of a person wearing goggles warns of injuries to eyes.
Moving parts
Eye Protection
Heavy Object
Read Owner’s Manual
Explanation of Hazard Symbols
This symbol of a man lifting shows that injury could occur without proper
lifting procedures.
Page 4 AMERICAN SANDERS TECHNOLOGY Operator’s Manual - 3DS
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