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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.

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.

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.

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.

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.

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.

5. Service
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.

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.

  -  Do not eat, drink or smoke in the work area.

Summary of Contents for OS300

Page 1: ...1 1 3 SHEET ORBITAL SANDER OS300 INSTRUCTION MANUAL Black Cyan Magenta Yellow Code OS300 IM Date 061010 Edition 07 Op PW ...

Page 2: ... cover any bonus items or included accessories Only the powertool is covered under this warranty With continuing product development changes may have occurred which render the product received slightly different to that shown in this instruction manual Please ensure that you store your receipt in a safe place Conditions apply to the above warranty For full details of the warranty terms and conditi...

Page 3: ... your expectations It has been manufactured under stringent GMC Quality Standards to meet superior performance criteria 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 ...

Page 4: ... an extension cord suitable for outdoor use Use of a cord suitable for outdoor use reduces the risk of electric shock 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 perso...

Page 5: ... 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 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 mu...

Page 6: ...nding 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 ...

Page 7: ...ront handle 2 On off trigger 3 Lock on button 4 Main handle 5 Soft grip 6 Sandpaper 7 Platen vibration plate 8 Paper clamping device 9 Dust extraction port 10 Power cord 11 Dust extraction adaptor 3 2 8 7 1 4 5 6 10 9 11 11 9 ...

Page 8: ...r hand Take care to hold the sander parallel to the work Use moderate pressure only 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 t...

Page 9: ...RNING 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 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...

Page 10: ...10 ...

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Page 12: ...ew 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 n...

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