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5. Once the grinding or cutting 

is finished, pull in and release 

the on/off switch (1) to stop the 

grinder.

WARNING.

  Avoid flying sparks 

and ensure they do not hit any 

inflammable materials, as they are 

very hot and could cause personal 

injury or a fire. 

WARNING.

 The disc continues to turn for a few seconds even 

though the switch is turned off. Keep your hands well away from 

the moving disc. 

Led overload protection system

Overloading the tool means the tool is being leaned on 

excessively during use, slowing down the speed of the tool.  As a 

result of the motor slowing down, the internal fan does not work 

to its full capacity.
1. The LED Overload protection system will alert you when it is 

overloading.  

2. The grinder will warn you when 

you are approaching overload by 

flashing the Yellow light

3. If you continue to ignore the 

yellow light or do not see it, the 

red light will come on and the 

grinder will immediately come to 

a stop.

4. When this occurs,  wait a brief moment then restart the 

grinder, however, take additional care not to press on the tool 

too much.

Variable speed

The variable speed feature of this grinder enhances the grinding 

performance and saves the disc from undue wear.
1. The variable speed dial (13) is used to program the speed of 

the disc. The speed should be adapted to the material being 

grinded.

2. Use your finger or thumb to turn 

the dial forwards to increase 

the speed and backwards to 

decrease it.

3. Position “1” denotes the lowest 

speed. Position “6” denotes the 

highest speed.

NOTE.

 Using the correct speed for 

the job increases the life of the disc.

Variable speed with soft start

This grinder is fitted with soft start technology. This feature 

operates when you start the tool by slowly increasing the power 

to the selected speed. The soft start feature eliminates any “kick” 

when the grinder is switched on. In conventional grinders without 

soft start the switch is heated up instantly thus reducing the life 

expectancy. The soft start feature ensures a longer life for the 

tool.

Replacing a disc

CAUTION. 

Switch off the grinder and disconnect it from the 

power point.
1. Turn the angle grinder on to its back and press the spindle 

lock button (3) and rotate the spindle until it locks.

2. Insert the pins of the wrench (9) into the holes in the outer 

flange (10) and remove it and the old disc.

NOTE. 

Do not remove the inner flange (12).

15º

30º

Summary of Contents for AG125MAG

Page 1: ...1 INSTRUCTION MANUAL 1200W 125MM 5 ANGLEGRINDER AG125MAG INSTRUCTION MANUAL 050922 ED4 JJ ...

Page 2: ...rom the date of the original purchase If found to be defective in materials or workmanship the tool or the offending faulty component will be replaced free of charge with another of the same item Asmall freight charge may apply The warranty replacement unit is only made available by returning the tool to the place of purchase with a confirmed register receipt Proof of purchase is essential We rese...

Page 3: ... 880 001 inAustralia or 0800 445 721 in New Zealand Introduction 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 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 In...

Page 4: ...outdoor extension cord suitable for outdoor use Use of a cord suitable for outdoor use reduces the risk of electric shock Personal safety 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 Amoment of inattention while operating power tools may result in serious person...

Page 5: ...the safety of the power tool is maintained Additional safety rules for angle grinders Fully unwind cable drum extensions to avoid potential overheating When an extension cable is required you must ensure that it has the right ampere rating for your power tool and is in safe electrical condition Always switch off before you put the angle grinder down Do not let anyone under 18 years operate this to...

Page 6: ... 15º to 30º to the work piece surface Let the disc do the grinding or cutting at a reasonable feed as overloading will occur if too much pressure is applied and the disc slows resulting in inefficient cutting and possible damage to the motor When using the grinder use safety equipment including safety goggles or shield ear protection dust mask and protective clothing including safety gloves ALWAYS...

Page 7: ...isc 4mm or less in thickness Raised inner part facing the disc Raised inner part facing away from the disc Disc assembly showing flange requirements 12 11 12 11 10 10 9 9 1 On off switch 2 Power lock on button 3 Spindle lock button 4 Disc guard 5 Front handle 6 Mounting points for the handle 7 LED Overload protection system 8 Motor housing 9 Pin wrench 10 Outer flange 11 Disc 12 Inner flange 13 Va...

Page 8: ... quick release guard lever Operation This angle grinder can be used for grinding and cutting steel stone or ceramic workpieces such as pipe box section rectangular angle iron steel bar house bricks and tiles Do not attempt to grind wood or a soft metal such as lead The material will quickly fill the disc and render it useless Before starting the grinder first ensure that the disc disc guard and to...

Page 9: ...The variable speed feature of this grinder enhances the grinding performance and saves the disc from undue wear 1 The variable speed dial 13 is used to program the speed of the disc The speed should be adapted to the material being grinded 2 Use your finger or thumb to turn the dial forwards to increase the speed and backwards to decrease it 3 Position 1 denotes the lowest speed Position 6 denotes...

Page 10: ...angle grinder under no load for at least one minute to ensure the new disc is in good condition Make sure you are wearing all the safety gear and that you face the grinder away from you CAUTION Do not use excessive force to clamp the disc It could crack it and cause failure during use WARNING Do not immerse the disc into any type of lubricant including water This angle grinder is designed as a dry...

Page 11: ...11 ...

Page 12: ... about any GMC 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 change specifications without notice Note Specifications may differ from country to country Helpline 1300 880 001 Australia or 0800 445 721 New Zealand The GMC 777 Helpline operates ...

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