1/3
ORB
SAN
OS300
INSTRUCTI
Code: OS300 IM
Date: 061010
Black
Cyan
Magenta
Yellow
Edition: 07
Op: PW
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Introduction
Description of symbols
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.
The rating plate on your tool may show symbols.
These represent important information about the
product or instructions on its use.
Wear hearing protection.
Wear eye protection.
Wear breathing protection.
You will find your new tool easy and safe to operate,
and, with proper care, it will give you many years
of dependable service.
Double insulated for additional protection.
CAUTION. Carefully read through this entire Instruction
Manual before using your new GMC Power Tool. Take
special care to heed the Cautions and Warnings.
Conforms to relevant standards
for electromagnetic compatibility.
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 ~ 50 Hz
300W
12,000 min-1
Input power:
No load speed:
Insulation:
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.
Double insulated
92 mm x 187 mm
Base size:
Sandpaper type:
Standard 1/3 sheet,
Hook & loop 1/3 sheet
Net weight:
2.2 kg
Sound pressure level:
77.6 dB(A)
3
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e. When operating a power tool outdoors, use an
extension cord suitable for outdoor use. Use of a cord
suitable for outdoor use reduces the risk of electric shock.
General safety rules
WARNING. Read 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 listed below refers to your mains operated
(corded) power tool or battery operated (cordless)
power tool.
3. Personal safety
a. 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.
Save these instructions
1. Work area
a. Keep work area clean and well lit. Cluttered and dark
areas invite accidents.
b. Use safety equipment. Always wear eye protection.
Safety equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protection used for
appropriate conditions will reduce personal injuries.
b. 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.
c. 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.
c. Keep children and bystanders away while
operating a power tool. Distractions can cause you to
lose control.
d. Remove any adjusting key or wrench before turning
the power tool on. A wrench or a key left attached to
a rotating part of the power tool may result in personal
injury.
2. Electrical safety
a. 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.
e. Do not overreach. Keep proper footing and balance at
all times. This enables better control of the power tool in
unexpected situations.
b. 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.
f. 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.
c. Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of
electric shock.
g. If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
connected and properly used. Use of these devices
can reduce dust related hazards.
d. 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.
4. Power tool use and care
a. 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.
4
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b. 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.
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.
c. 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.
• 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.
d. 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.
• 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.
e. Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and
any other condition that may affect the power tools
operation. If damaged, have the power tool repaired
before use. Many accidents are caused by poorly
maintained power tools.
• 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.
f. Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
• 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.
g. 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 those intended could result in a
hazardous situation.
• 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:
5. Service
- 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.
a. Have your power tool serviced by a qualified repair
person using only identical replacement parts. This
will ensure that the safety of the power tool is maintained.
- Children and pregnant women must not enter
the work area.
- Do not eat, drink or smoke in the work area.
5
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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.
• Do not touch the moving sanding sheet.
• 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
Contents of carton
• 5 x 80 Grit hook & loop sandpaper sheets
• Dust extraction adaptor
• Instruction manual
6
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Know your product
1. Front handle
2. On/off trigger
3. Lock on button
4. Main handle
11
5. Soft grip
9
6. Sandpaper
7. Platen (vibration plate)
8. Paper clamping device
9. Dust extraction port
10. Power cord
1
2
3
4
5
10
11. Dust extraction adaptor
11
9
8
7
7
6
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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
Connect the plug to the
power supply.
Pull the on/off trigger (2) upward
to start the sander. (Fig.A)
Fitting a sanding sheet
CAUTION. Switch off the sander and disconnect it from the
power point.
With hook & loop type sanding
sheets, simply press the sheet
to the platen (7), taking care to
align the holes in the sanding
sheet with those in the platen.
(Fig. C)
A
C
Release the trigger to turn off
the sander.
By pulling the trigger on and
pressing the lock on button (3),
you can lock the sander on.
Pulling the switch on again and
releasing it turns the switch off.
(Fig. B)
Ordinary (non-hook & loop type)
sanding sheets can also be
used. Release the clamps (8)
from both sides of the sander.
(Fig. D)
B
D
Using the sander
The sander is designed for
sanding wood, metal, plastic and
similar materials. It can be used
for sanding back and finishing the surface.
Insert the end of the sandpaper
under the front clamp and pull
the paper tight over the platen
ensuring the holes align with
those in the platen and then
clamp the other end.
This sander is a handy size for medium jobs.
WARNING. Wear safety goggles, a dust mask and
ear defenders.The whole sanding pad must rest on
the workpiece.
The paper should be kept
tightly clamped over the platen, otherwise there could be
excessive wear of the
Switch the sander on while it is placed on the workpiece
and move it over the surface to be smoothed in a
circular motion.
cushion material.
WARNING. Do not continue to use the sander with a
sanding sheet that is overworn or damaged.
Grip the main handle (4) in one hand and push down on the
front of the handle with the other hand.
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.
Take care to hold the sander parallel to the work.
Use moderate pressure only.
8
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WARNING. Take care to regularly clean out the build up
of dust on the base underneath the sandpaper and not let
the sandpaper wear completely down before replacing it.
Failure to observe these two precautionary measures can
lead to damage to the platen.
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.
Keep the tool’s air vents unclogged and clean at
all times.
Selecting the right grade of sandpaper
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.
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.
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.
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.
Never use caustic agents to clean plastic parts.
Dust extraction
A vacuum cleaner adaptor can
be used to connect an ordinary
household vacuum cleaner to
the sander.
CAUTION. Water must never come into contact with
the tool.
E
Lubricate all moving parts at regular intervals.
General Inspection
Regularly check that all the fixing screws are tight.
They may vibrate loose over time.
The adaptor (11) can be fitted
into the dust extraction port (9).
(Fig. E)
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.
9
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10
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11
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GMC customer assist
If your product needs repairing, replacing,
technical service or you simply need help or advice,
please contact us on our Customer Assist Line
1300 880 001 (Australia) or 0800 445 721 (New Zealand).
For prompt service we suggest you log your service request
access to the Internet, please contact our service department
on 1300 880 001 (Australia) or 0800 445 721 (New Zealand).
7am –7pm, 7days a week (AEST).
Please note that if repair or replacement is required,
you must provide a valid original purchase receipt.
You will need the following details at hand to log your service request;
Personal details: First & Last name, address, pick up address,
contact phone numbers, email address
Product details: Product number, date of purchase, retailer bought from,
State & postcode, receipt number, reason for the request,
copy of official purchase receipt
Attach your purchase receipt and save with this Manual for future reference.
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