INSTRUCTION MANUAL
1/3 Sheet
Orbital Sander
• Melbourne • Perth • Auckland • Hong Kong • Shanghai
SA186
• Taipei • New York • Verona • London • Paris
040729 SA186 ED6 AD
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Description of symbols
Dear Customer
The rating plate on your tool may show symbols. These
represent important information about the product or
instructions on its use.
If you require any help with your product, whether it
is a Warranty claim, spare part or user information,
please phone our Help Line for an immediate response.
Phone 1300 880 001 in Australia or 0800 445 721 in
New Zealand.
Wear hearing protection.
Wear eye protection.
Wear breathing protection.
Introduction
Double insulated
for additional protection.
Your new GMC power tool will more than satisfy your
expectations. It has been manufactured under stringent
GMC Quality Standards to meet superior performance
criteria.
Conforms to relevant standards for
electromagnetic compatibility.
You will find your new tool easy and safe to operate,
and, with proper care, it will give you many years of
dependable service.
Caution. Carefully read through this entire Instruction
Manual before using your new GMC Power Tool. Take
special care to heed the Cautions and Warnings.
Your GMC power tool has many features that will make
your job faster and easier. Safety, performance, and
dependability have been given top priority in the
development of this tool, making it easy to maintain
and operate.
Specifications
Voltage:
230-240V ~ 50Hz
220W
12000 min-1
Hook and loop
187mm x 92mm
1.6kg
Power rating:
No load speed:
Sandpaper type:
Base size:
Net weight:
Length of cordset:
3m
This sander is double insulated. There are two independent
barriers of insulation to protect you from the possibility of
electric shock.
Environmental protection
Recycle unwanted materials instead of
disposing of them as waste. All tools, hoses
and packaging should be sorted, taken to
the local recycling centre and disposed of
in an environmentally safe way.
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Personal safety
Safety instructions
• Stay alert, watch what you are doing and use
common sense when operating a power tool. Do
not use a power tool while you are tired or under the
influence of drugs, alcohol, or medication. A moment
of inattention while operating power tools may result in
serious personal injury.
WARNING. Read and understand all instructions. Failure
to follow all instructions listed below may result in
electric shock, fire and/or serious injury. The term
“power tool” in all of the warnings below refers to your
mains-operated (corded) power tool or battery-operated
(cordless) power tool.
• Use safety equipment. Always wear eye protection.
Safety equipment such as a dust mask, non-skid
safety shoes, hard hat, or hearing protection used for
appropriate conditions will reduce personal injuries.
• Avoid accidental starting. Ensure the switch is in the
off-position before plugging in. Carrying power tools
with your finger on the switch or plugging in power
tools that have the switch on invites accidents.
• Remove any adjusting key or wrench before turning
the tool on. A wrench or a key that is left attached to
a rotating part of the power tool may result in
personal injury.
Save these instructions
Work area
• Keep work area clean and well lit. Cluttered and dark
areas invite accidents.
• 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 or fumes.
• Keep children and bystanders away while operating a
power tool. Distractions can cause you to lose control.
Electrical safety
• Power tool plugs must match the outlet. Never modify
the plug in any way. Do not use any adapter plugs with
earthed (grounded) power tools. Unmodified plugs and
matching outlets will reduce risk of electric shock.
• Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric shock
if your body is earthed or grounded.
• Do not overreach. Keep proper footing and balance at
all times. This enables better control of the power tool
in unexpected situations.
• Dress properly. Do not wear loose clothing or jewellery.
Keep your hair, clothing and gloves away from moving
parts. Loose clothes, jewellery or long hair can be
caught in moving parts.
• If devices are provided for the connection of dust
extraction and collection facilities ensure that these
are connected and properly used. Use of these devices
can reduce dust-related hazards.
• Do not 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 for carrying,
pulling or unplugging the power tool. Keep cord away
from heat, oil, sharp edges or moving parts. Damaged
or entangled cords increase the risk of electric shock.
• When operating a power tool outdoors, use an
outdoor extension cord suitable for outdoor use. Use
of a cord suitable for outdoor use reduces the risk of
electric shock.
Power tool use and care
• Do not force the power tool. Use the correct power
tool for your application. The correct power tool will
do the job better and safer at the rate for which it
was designed.
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• Do not use the power tool if the switch does not
turn it on and off. Any power 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 power tools. Such preventive safety measures
reduce the risk of starting the power tool accidentally.
• Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
• Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and any
other condition that may affect the power tool’s
operation. If damaged, have the power tool repaired
before use. Many accidents are caused by poorly
maintained power tools.
• Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are
less likely to bind and are easier to control.
• Use the power tool, accessories and tool bits etc.,
in accordance with these instructions and in the
manner intended for the particular type of power
tool, taking into account the working conditions
and the work to be performed. Use of the power tool
for operations different from intended could result in a
hazardous situation.
Additional safety rules for sanders
Remove the plug from the socket before carrying out any
adjustment, servicing or maintenance.
• Fully unwind cable drum extensions to avoid
potential overheating.
• When an extension cable is required, you must ensure it
has the right ampere rating for your power tool and is
in a safe electrical condition.
• Ensure your mains supply voltage is the same as your
tool rating plate voltage.
• Your tool is double insulated for additional
protection against a possible electrical insulation failure
within the tool.
• Always check walls, floors and ceilings to avoid hidden
power cables and pipes.
• After long working periods external metal parts and
accessories could be hot.
• Do not force the sander; let the tool do the work at a
reasonable speed. Overloading will occur if too much
pressure is applied and the motor slows resulting in
inefficient sanding and possible damage to the
sander motor.
• When sanding wood, always connect the dust
extraction filter.
• Take special care to guard against harmful and toxic
dusts when sanding lead-based painted surfaces, woods
and metals, including the following:
- All persons entering the work area must wear a mask
specially designed for protection against toxic dust
and fumes such as those arising from the sanding of
lead paint .
- Children and pregnant women must not enter the
work area.
Service
• Have your power tool serviced by a qualified repair
personnel using only identical replacement parts.
This will ensure that the safety of the power tool
is maintained.
- Do not eat, drink or smoke in the work area.
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• Before using the sander with metal always remove the
extraction filter from the outlet as sparks may ignite the
dust or the internal bag.
• Do not continue to use worn, torn or heavily clogged
sanding sheets.
Accessories
• 10 Hook & Loop sandpaper sheets
(3x 40, 3 x 60, 2 x 80 & 2 x 120 Grit)
• Dust Extraction adaptor
• Storage case
• Do not touch the moving sanding sheet.
• Instruction manual
• Ensure that you have removed foreign objects such
as nails and screws from the work before
commencing sanding.
• Rags, cloths, cord, string and the like should never be
left around the work area.
Wear goggles
Wear ear defenders
Wear a breathing mask
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Know your product
1. Front handle
2. Sealed on/off switch
3. Rubber grip handle
4. Dust extraction canister
5. Hook & loop base
6. Paper clamp
1
2
3
7. Dust extraction adaptor
8. Washable dust bag
7
4
8
6
5
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8. If there are still marks on your work after sanding,
try either going back to a coarser grade and sanding
the marks out before recommencing with the original
choice of grit, or try using a new piece of sandpaper
to eliminate the unwanted marks before going on to a
finer grit and finishing the job.
Unpacking
Due to modern mass production techniques, it is unlikely
that your GMC Power Tool is faulty or that a part is
missing. If you find anything wrong, do not operate the
tool until the parts have been replaced or the fault has
been rectified. Failure to do so could result in serious
personal injury.
WARNING. Do not use the sander in wet or damp
conditions.
Switching on and off
1. Connect the plug to the
power supply.
2. Push the left-hand side “I”
of the sealed on/off switch
(1) to start the motor.
3. Push the right-hand side
“O” of the sealed on/off
switch (1) to stop the
motor.
Fitting a sanding sheet
WARNING. Always ensure that
the tool is switched
off and the plug is removed
from the power point before
making any adjustments or
maintenance procedures.
1. Before fitting sandpaper,
remove any dust or debris
from the hooks and loops of
the base.
4. Hold the tool securely and make sure that you have full
control at all times.
2. Match the holes in a suitable sheet with the holes in
the base.
Using the sander
1. The sander is designed for sanding wood, metal, plastic
and similar materials. It can be used for sanding back
and finishing the surface.
2. This sander is a handy size for medium jobs.
3. Wear safety goggles, a dust mask and ear defenders.
4. The whole sanding pad must rest on the workpiece.
5. Switch the sander on while it is placed on the
workpiece and move it over the surface to be smoothed
in a circular motion.
6. Grip the rear of the handle (2) in one hand and push
down on the front of the handle with the other hand.
Take care to hold the sander parallel to the work.
3. Simply press the sheet to the base to attach it.
4. To remove the sheet, peel it away from the base.
CAUTION. Take care to regularly clean out the build up of
dust on the base underneath the sandpaper and not to let
the sandpaper wear completely down before replacing it.
Failure to observe these two precautionary measures can
lead to damage to the hooks and loops on the platen and
the sandpaper will not attach properly.
5. Ordinary (non-Hook & Loop type) sanding sheets can
also be used.
6. Release the paper clamp (5) from both sides of the
sander.
7. Insert the end of the sandpaper under one clamp and
pull the paper tight over the base (4) ensuring the
holes align with those in the base and then clamp the
other side.
7 Use moderate pressure only.
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8. The paper should be kept tightly clamped over the
base, otherwise there could be excessive wear of the
base material.
WARNING. Never use the sander unless the entire base is
fitted with sandpaper or another type of pad.
WARNING. For optimum dust extraction, remove and
empty the canister (3) when it is no more than half full.
Do not use the canister when sanding metal. The hot
metal particles could cause residual wood dust or the
internal bag itself to catch fire.
2. Remove the cap from the
end of the canister (3)
to access the internal bag
when you wish to replace or
clean the bag. The bag can
be washed. Make sure the
bag is completely dry before
replacing it.
Selecting the right grade of sandpaper
WARNING. Always ensure that the tool is switched
off and the plug is removed from the power point before
making any adjustments or maintenance procedures.
• Different grades of sanding paper can be purchased
from your local hardware store. Available grades are:
Coarse, Medium and Fine.
• Use a coarse grit to sand down rough finishes, medium
grit to smooth the work and fine grit to finish off.
Maintenance
WARNING. Always ensure that the tool is switched
off and the plug is removed from the power point before
making any adjustments or maintenance procedures.
1. Keep the tool’s air vents unclogged and clean at
all times.
2. Regularly check to see if any dust or foreign matter has
entered the grills near the motor and around the
on/off switch. Use a soft brush to remove any
accumulated dust. Wear safety glasses to protect
your eyes whilst cleaning.
• It is best to make a trial run on a scrap piece of
material to determine the optimum grades of sandpaper
for a particular job. If there are still marks on your work
after sanding, try either going back to a coarser grade
and sanding the marks out before recommencing with
the original choice of grit, or try using a new piece of
sandpaper to eliminate the unwanted marks before
going on to a finer grit and finishing the job.
WARNING. Do not use the same sanding sheet for wood
and metal. Metal particles become embedded in the
sandpaper and will scour a wooden surface.
3. If the body of the tool needs cleaning, wipe it with
a soft damp cloth. A mild detergent can be used but
nothing like alcohol, petrol or other cleaning agent.
Dust extraction
WARNING. Always ensure that
4. Never use caustic agents to clean plastic parts.
CAUTION. Water must never come into contact with
the tool.
the tool is switched
off and the plug is removed
from the power point before
making any adjustments or
maintenance procedures.
5. Lubricate all moving parts at regular intervals.
1. Attach the dust extraction
canister (3) to the sander
by pushing and twisting the
bayonet fitting in a similar
action to inserting a light globe into a lamp.
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General Inspection
Regularly check that all the fixing screws are tight. They
may vibrate loose over time.
Power cord maintenance
If the supply cord needs replacing, the task must be carried
out by the manufacturer, the manufacturer’s agent, or an
authorised service centre in order to avoid a safety hazard.
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Carefully read the entire Instruction Manual
before using this product.
With continuing product development changes may
have occurred which render the product received
slightly different to that shown in this instruction
manual. The manufacturer reserves the right to
Before returning this product for a
Warranty Claim or any other reason
Please Call 1300 880 001 (Australia)
or 0800 445 721 (New Zealand)
change specifications without notice. Note:
Specifications may differ from country to country.
When you make your call, please have
the following information at hand:
• GMC Product Type • GMC Product Code
A GMC Service Engineer will take your call and, in
most cases, will be able to solve your problem over
the phone.
The GMC 777 Helpline operates from 7am to
7pm, 7 days a week (EST). This allows you
to contact GMC directly with any queries and
technical questions you have regarding
our products.
You are welcome to use this phone-in service to
make suggestions or give comments about any
GMC product.
45–55 South Centre Road
Melbourne Airport
Victoria, Australia 3045
Tel: (03) 8346 1100 Fax: (03) 8346 1200
Save this Manual for future reference.
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