Hitachi S18SA User Manual
MODEL DISC SANDER
MODÈLE LUSTREUSE
MODELO LIJADORA DE DISCO
S 18SA
INSTRUCTION MANUAL AND SAFETY INSTRUCTIONS
WARNING
Improper and unsafe use of this power tool can result in death or serious bodily
injury!
This manual contains important information about product safety. Please read
and understand this manual before operating the power tool. Please keep this
manual available for others before they use the power tool.
MODE D’EMPLOI ET INSTRUCTIONS DE SECURITE
AVERTISSEMENT
Une utilisation incorrecte et dangereuse de cet outil motorisé peut entraîner la
mort ou de sérieuses blessures corporelles!
Ce mode d’emploi contient d’importantes informations à propos de la sécurité de
ce produit. Prière de lire et de comprendre ce mode d’emploi avant d’utiliser l’outil
motorisé. Garder ce mode d’emploi à la disponibilité des autres utilisateurs avant
qu’ils utilisent l’outil motorisé.
MANUAL DE INSTRUCCIONES E INSTRUCCIONES DE SEGURIDAD
ADVERTENCIA
¡La utilización inapropiada e insegura de esta herramienta eléctrica puede resultar
en lesiones serias o en la muerte!
Este manual contiene información importante sobre la seguridad del producto.
Lea y comprenda este manual antes de utilizar la herramienta eléctrica. Guarde
este manual para que puedan leerlo otras personas antes de que utilicen la
herramienta eléctrica.
DOUBLE INSULATION
DOUBLE ISOLATION
AISLAMIENTO DOBLE
English
IMPORTANT INFORMATION ............. 3
MEANINGS OF SIGNAL WORDS ...... 3
SAFETY ................................................... 4
GENERAL SAFETY RULES ................. 4
SPECIFIC SAFETY RULES AND SYMBOLS ......
DOUBLE INSULATION FOR SAFER
OPERATION ..................................... 8
CONTENTS
Page
ASSEMBLY AND OPERATION ............ 10
APPLICATIONS ................................. 10
PRIOR TO OPERATION ..................... 10
DISC SANDER OPERATION ............. 11
7
SANDING DISC ASSEMBLY
AND DISASSEMBLY ..................... 12
MAINTENANCE AND INSPECTION .... 13
Page
FUNCTIONAL DESCRIPTION ................ 9
NAME OF PARTS ................................ 9
SPECIFICATIONS ................................ 9
Français
INFORMATIONS IMPORTANTES ....... 15
SIGNIFICATION DES MOTS
D’AVERTISSEMENT ......................... 15
SECURITE ............................................. 16
REGLES GENERALES DE SECURITE
REGLES DE SECURITE SPECIFIQUES ET SYMBOLES ...
DOUBLE ISOLATION POUR UN
FONCTIONNEMENT PLUS SUR
DESCRIPTION FONCTIONNELLE ........ 21
NOM DES PARTIES .......................... 21
SPECIFICATIONS .............................. 21
Español
INFORMACIÓN IMPORTANTE ............ 27
SIGNIFICADO DE LAS PALABRAS DE
SEÑALIZACIÓN ................................. 27
SEGURIDAD ......................................... 28
NORMAS GENERALES DE SEGURIDAD ....
NORMAS Y SÍMBOLOS ESPECÍFICOS DE SEGURIDAD
AISLAMIENTO DOBLE PARA OFRECER UNA
OPERACIÓN MÁS SEGURA .........................
DESCRIPCIÓN FUNCIONAL ................ 33
NOMENCLATURA ............................. 33
ESPECIFICACIONES .......................... 33
TABLE DES MATIERES
Page
....
16
19
........ 20
ÍNDICE
Página
28
..... 31
32
ACCESSORIES ...................................... 14
STANDARD ACCESSORIES ............. 14
PARTS LIST .......................................... 39
Page
ASSEMBLAGE ET FONCTIONNEMENT ....
UTILISATIONS .................................. 22
AVANT L’UTILISATION .................... 22
UTILISATION DE LA LUSTREUSE ....
ASSEMBLAGE ET DESASSEMBLAGE
DE LA DISQUE DE PONCAGE
ENTRETIEN ET INSPECTION ............... 25
ACCESOIRES ........................................ 26
ACCESSOIRES STANDARD ............. 26
LISTE DES PIECES ............................... 39
Página
MONTAJE Y OPERACIÓN ................... 34
APLICACIONES ................................. 34
ANTES DE LA OPERACIÓN .............. 34
OPERACIÓN DE LA LIJADORA DE DISCO ....
MONTAJE Y DESMONTAJE DE
LA DISCO LIJADOR ....................... 36
MANTENIMIENTO E INSPECCIÓN ..... 37
ACCESORIOS ....................................... 38
ACCESORIOS ESTÁNDAR ............... 38
LISTA DE PIEZAS ................................. 39
............ 24
22
23
35
English
IMPORTANT INFORMATION
Read and understand all of the operating instructions, safety precautions and warnings in
the Instruction Manual before operating or maintaining this power tool.
Most accidents that result from power tool operation and maintenance are caused by the
failure to observe basic safety rules or precautions. An accident can often be avoided by
recognizing a potentially hazardous situation before it occurs, and by observing appropriate
safety procedures.
Basic safety precautions are outlined in the “SAFETY” section of this Instruction Manual and
in the sections which contain the operation and maintenance instructions.
Hazards that must be avoided to prevent bodily injury or machine damage are identified by
WARNINGS on the power tool and in this Instruction Manual.
Never use this power tool in a manner that has not been specifically recommended by
HITACHI, unless you first confirm that the planned use will be safe for you and others.
MEANINGS OF SIGNAL WORDS
WARNING indicates a potentially hazardous situations which, if ignored, could result in
serious personal injury.
CAUTION indicates a hazardous situations which, if ignored, could result in moderate
personal injury, or could cause machine damage.
NOTE emphasizes essential information.
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English
SAFETY
GENERAL SAFETY RULES
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
1. Work Area
(1) Keep your work area clean and well lit. Cluttered benches and dark areas invite
accidents.
(2) Do not operate power tools in explosive atmospheres, such as in the presence of
flammable liquids, gases, or dust. Power tools create sparks which may ignite the
dust of fumes.
(3) Keep bystanders children, and visitors away while operating a power tool.
Distractions can cause you to lose control.
2. Electrical Safety
(1) 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 eliminates the need for the three wire grounded power cord and
grounded power supply system.
(2) 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.
(3) Don’t expose power tools to rain or wet conditions. Water entering a power tool will
increase the risk of electric shock.
(4) Do not abuse the cord. Never use the cord to carry the tools or pull the plug from a
receptacle. Keep cord away from heat, oil, sharp edges or moving parts. Replace
damaged cords immediately. Damaged cords increase the risk of electric shock.
(5) 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.
3. Personal Safety
(1) 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.
(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.
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English
(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 enables better control of the tool in unexpected situations.
(6) Use safety equipment. Always wear protective glasses. Dust mask, nonskid safety
shoes, hard hat, or ear plugs must be used for appropriate conditions.
4. Tool 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. Any tool that cannot be controlled
with the switch is dangerous and must be repaired.
(4) Disconnect the plug form 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 tools 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.
5. Service
(1) Tool service must be performed only by qualified repair personnel. Service or
maintenance performed by unqualified personnel could 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 Instruction may create a risk of electric shock or injury.
6. Never touch moving parts.
Never place your hands, fingers or other body parts near the tool’s moving parts.
7. Never operate without all guards in place.
Never operate this tool without all guards or safety features in place and in proper
working order. If maintenance or servicing requires the removal of a guard or safety
feature, be sure to replace the guard or safety feature before resuming operation of the
tool.
8. Use right tool.
Don’t force small tool or attachment to do the job of a heavy-duty tool.
Don’t use tool for purpose not intended —for example— don’t use circular saw for cutting
tree limbs or logs.
9. Never use a power tool for applications other than those specified.
Never use a power tool for applications other than those specified in the Instruction
Manual.
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English
10. Handle tool correctly.
Operate the tool according to the instructions provided herein. Do not drop or throw the
tool. Never allow the tool to be operated by children, individuals unfamiliar with its
operation or unauthorized personnel.
11. Keep all screws, bolts and covers tightly in place.
Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.
12. Do not use power tools if the plastic housing or handle is cracked.
Cracks in the tool’s housing or handle can lead to electric shock. Such tools should not
be used until repaired.
13. Blades and accessories must be securely mounted to the tool.
Prevent potential injuries to youself or others. Blades, cutting implements and accessories
which have been mounted to the tool should be secure and tight.
14. Keep motor air vent clean.
The tool’s motor air vent must be kept clean so that air can freely flow at all times. Check
for dust build-up frequently.
15. Operate power tools at the rated voltage.
Operate the power tool at voltages specified on its nameplate.
If using the power tool at a higher voltage than the rated voltage, it will result in
abnormally fast motor revolution and may damage the unit and the motor may burn out.
16. Never use a tool which is defective or operating abnormally.
If the tool appears to be operating unusually, making strange noises, or otherwise
appears defective, stop using it immediately and arrange for repairs by a Hitachi
authorized service center.
17. Never leave tool running unattended. Turn power off.
Don’t leave tool until it comes to a complete stop.
18. Carefully handle power tools.
Should a power tool be dropped or struck against hard materials inadvertently, it may be
deformed, cracked, or damaged.
19. Do not wipe plastic parts with solvent.
Solvents such as gasoline, thinner benzine, carbon tetrachloride, and alcohol may
damage and crack plastic parts. Do not wipe them with such solvents.
Wipe plastic parts with a soft cloth lightly dampened with soapy water and dry
thoroughly.
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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. Accessories running over rated speed can fly apart and cause injury.
2. Hold tools by insulated gripping surfaces when performing an operation where the 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.
3. ALWAYS wear ear plugs when using the tool for extended periods. Prolonged exposure
to high intensity noise can cause hearing loss.
4. NEVER place hands or body parts near the accessories attached to the disc sander during
operation.
5. NEVER use accessories which are broken or deformed or worn away.
6. NEVER use the disc sander in places where the sparks generated by the disc sander can
cause explosion, such as where flammable materials or gases are present.
7. NEVER push in the lock lever while the motor is running.
8. ALWAYS wear eye protection that meets the requirement of the latest revision of ANSI
Standard Z87.1.
9. ALWAYS wear a mask or respirator to protect yourself from dust or potentially harmful
particles generated during the grinding operation.
10. ALWAYS firmly grip the body handle and side handle while operating the disc sander.
11. ALWAYS follow the instructions contained in this manual when replacing the accessories.
12. NEVER leave the revolving tool unattended on the floor.
13. NEVER mount a depressed center wheel on this tool and attempt to use it as a disc
grinder.
14. Definitions for symbols used on this tool
V ............. volts
Hz ........... hertz
A .............amperes
o ............ no load speed
n
W ............watt
............ Class II Construction
---/min .... revolutions per minute
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DOUBLE INSULATION FOR SAFER OPERATION
To ensure safer operation of this power tool, HITACHI has adopted a double insulation
design. “Double insulation “ means that two physically separated insulation systems have
been used to insulate the electrically conductive materials connected to the power supply
from the outer frame handled by the operator. Therefore, either the symbol “ ” or the
words “Double insulation” appear on the power tool or on the nameplate.
Although this system has no external grounding, you must still follow the normal electrical
safety precautions given in this Instruction Manual, including not using the power tool in wet
environments.
To keep the double insulation system effective, follow these precautions:
䡬 Only HITACHI AUTHORIZED SERVICE CENTER should disassemble or assemble this
power tool, and only genuine HITACHI replacement parts should be installed.
䡬 Clean the exterior of the power tool only with a soft cloth moistened with soapy water,
and dry thoroughly.
Never use solvents, gasoline or thinners on plastic components; otherwise the plastic
may dissolve.
SAVE THESE INSTRUCTIONS
AND
MAKE THEM AVAILABLE TO
OTHER USERS OF THIS TOOL!
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FUNCTIONAL DESCRIPTION
NOTE:
The information contained in this Instruction Manual is designed to assist you in the safe
operation and maintenance of the power tool.
Some illustrations in this Instruction Manual may show details or attachments that differ
from those on your own power tool.
NAME OF PARTS
Brush Cap
Housing
Lock Lever
Handle
Locking Button
Rubber Pad
Fig.1
Switch Trigger
Side Handle
Sanding Disc
SPECIFICATIONS
Motor Single-Phase Series Commutator Motor
Power Source Single-Phase 115V AC 60 Hz
Current 6.0 A
No-Load Speed 4000/min
Sanding Disc Size:
external diam. 7” (180 mm)
hole diam. 7/8” (22 mm)
Weight 6.0 lbs (2.7 kg)
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ASSEMBLY AND OPERATION
APPLICATIONS
䡬 Sanding metal surfaces.
䡬 Preliminary sanding of metal surfaces before painting, rust removal, removing old paint
before repainting.
䡬 Finishing woodwork, correcting projections of timbers from joints or assemblies.
䡬 Preliminary sanding of wood surfaces before applying paint.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms to the power source requirements
specified on the product nameplate.
2. Power switch
Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while
the switch is in the ON position, the power tool will start operating immediately and can
cause serious injury.
3. Extension cord
When the work area is far away from the power source, use an extension cord of sufficient
thickness and rated capacity. The extension cord should be kept as short as practicable.
WARNING: Damaged cord must be replaced or repaired.
4. Check the receptacle.
If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact
a licensed electrician to make appropriate repairs.
If such a fautly receptacle is used, it may cause overheating, resulting in a serious hazard.
5. Check your working environment.
Ensure the following before operation;
䡬 No flammable gas, liquid, or object at worksite.
䡬 Grinding thin steel sheet may cause a high booming sound.
In this case, place a rubber mat under the workpiece.
䡬 Take appropriate noise preventive measures to prevent adverse affects on the
environment by electrical noise.
䡬 Clear the area of children or unauthorized personnel.
6. Check mounting of the sanding disc.
Check that sanding disc is mounted under the specified condition and is firmly clamped.
For details, refer to the item “SANDING DISC ASSEMBLY AND DISASSEMBLY”.
7. Fixing the side handle.
Screw the side handle into the housing.
8. Check the lock lever.
Make sure that the lock lever is disengaged by pushing the lock lever two or three times
before turning on the disc sander (Fig. 3).
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DISC SANDER OPERATION
1. Hold the disc sander firmly by its body hadle and side handle (Fig. 1).
The disc sander produces a counterforce which must be controlled by firmly holding onto
the disc sander.
2. Switch operation
This enables the disc sander always to be controlled with the hand gripping the machine
for maximum safety during grinding operations.
<Intermittent use>
Switch ON: Press the switch trigger.
Switch OFF: Release the switch trigger.
<Continuous use>
Switch ON: Press the switch trigger. The switch trigger is locked by pushing on
the locking button.
Switch OFF: Press and release the switch trigger.
3. Use light grinding pressure.
There is no need to press hard when grinding. Usually the disc sander’s own weight is
sufficient for the surface to be ground.
CAUTION: Do not press the disc sander forcibly against the surface to be ground. Heavy
pressure can damage the surface being ground or damage the disc sander’s
motor.
4. Use proper grinding angle.
Use the disc sander by lifting 15° to 30°, as
shown in Fig. 2.
5. Adjust operation to desired finish.
For a fine finish, decrease pressure by lifting
slightly. Grind slowly and at the appropriate
speed.
6. Precaution after use
CAUTION: Do not lay the disc sander down
immediately after using on a
place where there are many
shavings, much dirt and dust
until it has completely stopped
revolving.
If the disc sander is laid down
with the sanding disc turned
downward before it has
completely stopped revolving,
there is a risk that the material
may be damaged and the disc
sander may run wild, resulting
in injury.
15° – 30°
Fig. 2
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SANDING DISC ASSEMBLY AND DISASSEMBLY
WARNING: Never attempt to assemble or disassemble the sanding disc while the
disc sander is capable of being turned “ON”.
Be sure power switch is in the “OFF” position and the electrical cord has
been disconnected from the receptacle.
1. Assembling (Fig. 3)
(1) Turn the disc sander upsidedown so that the
spindle is facing upward.
(2) Attach washer nut, rubber pad and sanding
disc on the spindle, in that order.
(3) While pushing the lock lever with one hand,
lock the spindle by turning the rubber pad
slowly with the other hand.
Tighten the washer nut by using the supplied
wrench.
CAUTION:
䢇 Tighten the washer nut securely and confirm
that the rubber pad and sanding disc does
not wobble.
䢇 After releasing the lock lever, check to be
sure that it has returned to its normal
position.
2. Disassembling
To remove the sanding disc, follow the
above-mentioned procedure in reverse
order.
Wrench
Tighten
Washer Nut
Sanding Disc
Rubber Pad
Spindle
Lock Lever
Fig. 3
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