Makita SA7021 Manuale utente
1
ENGLISH
INSTRUCTION MANUAL
DOUBLE INSULATION
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
Angle Sander
SA7021
006781
2
ENGLISH
SPECIFICATIONS
Model SA7021
Disc diameter 180 mm
Spindle thread M14
No load speed (min-1) 6,600
Overall length 473 mm
Net weight 4.7 kg
Safety class /II
• Due to our continuing programme of research and development, the specifications herein are subject to change without notice.
• Note: Specifications may differ from country to country.
END202-1
Symbols
The following show the symbols used for the equipment.
Be sure that you understand their meaning before use.
･Read instruction manual.
･DOUBLE INSULATION
･Wear safety glasses.
ENE052-1
Intended use
The tool is intended for the sanding of large surface of
wood, plastic and metal materials as well as painted
surfaces.
ENF002-1
Power supply
The tool should be connected only to a power supply of
the same voltage as indicated on the nameplate, and
can only be operated on single-phase AC supply. They
are double-insulated in accordance with European
Standard and can, therefore, also be used from sockets
without earth wire.
ENA001-2
SAFETY INSTRUCTIONS
WARNING! When using electric tools, basic safety
precautions, including the following, should always
be followed to reduce the risk of fire, electric shock
and personal injury. Read all these instructions
before operating this product and save these
instructions.
For safe operations:
1. Keep work area clean.
Cluttered areas and benches invite injuries.
2. Consider work area environment.
Do not expose power tools to rain. Do not use
power tools in damp or wet locations. Keep work
area well lit. Do not use power tools where there is
risk to cause fire or explosion.
3. Guard against electric shock.
Avoid body contact with earthed or grounded
surfaces (e.g. pipes, radiators, ranges,
refrigerators).
4. Keep children away.
Do not let visitors touch the tool or extension cord.
All visitors should be kept away from work area.
5. Store idle tools.
When not in use, tools should be stored in a dry,
high or locked up place, out of reach of children.
6. Do not force the tool.
It will do the job better and safer at the rate for
which it was intended.
7. Use the right tool.
Do not force small tools or attachments to do the
job of a heavy duty tool. Do not use tools for
purposes not intended; for example, do not use
circular saws to cut tree limbs or logs.
8. Dress properly.
Do not wear loose clothing or jewellery, they can
be caught in moving parts. Rubber gloves and
non-skid footwear are recommended when
working outdoors. Wear protecting hair covering
to contain long hair.
9. Use safety glasses and hearing protection.
Also use face or dust mask if the cutting operation
is dusty.
10. Connect dust extraction equipment.
If devices are provided for the connection of dust
extraction and collection facilities ensure these
are connected and properly used.
11. Do not abuse the cord.
Never carry the tool by the cord or yank it to
disconnect it from the socket. Keep the cord away
from heat, oil and sharp edges.
12. Secure work.
Use clamps or a vice to hold the work. It is safer
than using your hand and it frees both hands to
operate the tool.
13. Do not overreach.
Keep proper footing and balance at all times.
14. Maintain tools with care.
Keep cutting tools sharp and clean for better and
3
safer performance. Follow instructions for
lubrication and changing accessories. Inspect tool
cord periodically and if damaged have it repaired
by an authorized service facility. Inspect extension
cords periodically and replace, if damaged. Keep
handles dry, clean and free from oil and grease.
15. Disconnect tools.
When not in use, before servicing and when
changing accessories such as blades, bits and
cutters.
16. Remove adjusting keys and wrenches.
Form the habit of checking to see that keys and
adjusting wrenches are removed from the tool
before turning it on.
17. Avoid unintentional starting.
Do not carry a plugged-in tool with a finger on the
switch. Ensure switch is off when plugging in.
18. Use outdoor extension leads.
When tool is used outdoors, use only extension
cords intended for outdoor use.
19. Stay alert.
Watch what you are doing. Use common sense.
Do not operate tool when you are tired.
20. Check damaged parts.
Before further use of the tool, a guard or other part
that is damaged should be carefully checked to
determine that it will operate properly and perform
its intended function. Check for alignment of
moving parts, free running of moving parts,
breakage of parts, mounting and any other
conditions that may affect its operation. A guard or
other part that is damaged should be properly
repaired or replaced by an authorized service
center unless otherwise indicated in this
instruction manual. Have defective switches
replaced by an authorized service facility. Do not
use the tool if the switch does not turn it on and
off.
21. Warning.
The use of any accessory or attachment, other
than those recommended in this instruction
manual or the catalog, may present a risk of
personal injury.
22. Have your tool repaired by a qualified person.
This electric tool is in accordance with the relevant
safety requirements. Repairs should only be
carried out by qualified persons using original
spare parts, otherwise this may result in
considerable danger to the user.
ENB048-6
ADDITIONAL SAFETY RULES
1. Always use eye and ear protection. Other
personal protective equipment such as dust
mask, gloves, helmet and apron should be
worn.
2. Always be sure that the tool is switched off
and unplugged before carrying out any work
on the tool.
3. 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. Maximum
operating speed of accessories should be higher
than the highest no load speed marked on the
tool’s nameplate.
4. Check the backing pad carefully for cracks,
damage or deformity before operation.
Replace cracked, damaged or deformed pad
immediately.
5. Check that the workpiece is properly
supported.
6. Hold the tool firmly.
7. Keep hands away from rotating parts.
8. Make sure the abrasive disc is not contacting
the workpiece before the switch is turned on.
9. When sanding metal surfaces, watch out for
flying sparks. Hold the tool so that sparks fly
away from you and other persons or
flammable materials.
10. Do not leave the tool running. Operate the tool
only when hand-held.
11. Pay attention that the wheel continues to
rotate after the tool is switched off.
12. Do not touch the workpiece immediately after
operation; it may be extremely hot and could
burn your skin.
13. If working place is extremely hot and humid, or
badly polluted by conductive dust, use a
short-circuit breaker (30 mA) to assure
operator safety.
14. Do not use the tool on any materials
containing asbestos.
15. Do not use water or grinding lubricant.
16. Ventilate your work area adequately when you
perform sanding operations.
17. Some material contains chemicals which may
be toxic. Take caution to prevent dust
inhalation and skin contact. Follow material
supplier safety data.
18. Always use the correct dust mask/respirator
for the material and application you are
working with.
19. Ensure that ventilation openings are kept clear
when working in dusty conditions. If it should
become necessary to clear dust, first
disconnect the tool from the mains supply
( use non metallic objects ) and avoid
damaging internal parts.
4
SAVE THESE INSTRUCTIONS.
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Shaft lock
1
006782
CAUTION:
• Never actuate the shaft lock when the spindle is
moving. The tool may be damaged.
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
Switch action
1
2
A
B
006783
CAUTION:
• Before plugging in the tool, always check to see
that the switch trigger actuates properly and
returns to the "OFF" position when released.
For tool with the lock-on switch
To start the tool, simply pull the switch trigger (in the B
direction). Release the switch trigger to stop. For
continuous operation, pull the switch trigger (in the B
direction) and then push in the lock lever (in the A
direction). To stop the tool from the locked position, pull
the switch trigger fully (in the B direction), then release it.
For tool with the lock-off switch
To prevent the switch trigger from accidentally pulled, a
lock lever is provided.
To start the tool, push in the lock lever (in the A direction)
and then pull the switch trigger (in the B direction).
Release the switch trigger to stop.
For tool with the lock on and lock-off switch
To prevent the switch trigger from accidentally pulled, a
lock lever is provided.
To start the tool, push in the lock lever (in the A direction)
and then pull the switch trigger (in the B direction).
Release the switch trigger to stop.
For continuous operation, push in the lock lever (in the A
direction), pull the switch trigger (in the B direction) and
then push the lock lever (in the A direction) further in.
To stop the tool from the locked position, pull the switch
trigger fully (in the B direction), then release it.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing side grip (handle)
006784
CAUTION:
• Always be sure that the side grip is installed
securely before operation.
Remove one of the screws which secure gear housing
and head cover, then screw the side grip on the tool.
Installing or removing abrasive disc
1
2
3
006786
1. Lock nut
2. Abrasive disc
3. Rubber pad
1. Switch trigger
2. Lock lever
1. Shaft lock
5
1
2
006787
NOTE:
• Use sander accessories specified in this manual.
These must be purchased separately.
Mount the rubber pad onto the spindle. Fit the disc on
the rubber pad and screw the lock nut onto the spindle.
To tighten the lock nut, press the shaft lock firmly so that
the spindle cannot revolve, then use the lock nut wrench
and securely tighten clockwise.
To remove the disc, follow the installation procedure in
reverse.
OPERATION
AB
15
006788
WARNING:
• It should never be necessary to force the tool. The
weight of the tool applies adequate pressure.
Forcing and excessive pressure could cause
dangerous disc breakage.
CAUTION:
• Never switch on the tool when it is in contact with
the workpiece, it may cause an injury to operator.
• Never run the tool without the abrasive disc. You
may seriously damage the pad.
• Always wear safety goggles or a face shield during
operation.
• After operation, always switch off the tool and wait
until the disc has come to a complete stop before
putting the tool down.
ALWAYS hold the tool firmly with one hand on rear
handle and the other on the side handle. Turn the tool on
and then apply the abrasive disc to the workpiece.
In general, keep the abrasive disc at an angle of about
15 degrees to the workpiece surface.
Apply slight pressure only. Excessive pressure will result
in poor performance and premature wear to abrasive
disc.
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and
unplugged before attempting to perform inspection
or maintenance.
Replacing carbon brushes
1
2
3
001146
When the resin insulating tip inside the carbon brush is
exposed to contact the commutator, it will automatically
shut off the motor. When this occurs, both carbon
brushes should be replaced. Keep the carbon brushes
clean and free to slip in the holders. Both carbon
brushes should be replaced at the same time. Use only
identical carbon brushes.
Use a screwdriver to remove the brush holder caps.
Take out the worn carbon brushes, insert the new ones
and secure the brush holder caps.
1
2
006745
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers,
always using Makita replacement parts.
1. Brush holder
cap
2. Screwdriver
1. Commutator
2. Insulating tip
3. Carbon brush
1. Lock nut wrench
2. Shaft lock
6
ACCESSORIES
CAUTION:
• These accessories or attachments are
recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or
attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• Rubber pad
• Abrasive discs
• Lock nut
• Lock nut wrench
• Side grip (handle)
7
8
Makita Corporation
884646-8
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