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manual abstract
The user and not the manufacturer shall be liable for any damage or injury resulting from such cases of misuse. The manufacturer shall not be liable for any changes made to the tool nor for any damage resulting from such changes. Even when the tool is used as prescribed it is not possible to eliminate all residual risk factors. The following hazards may arise in connection with the tool’s construction and design: • Damage to the lungs if an effective dust mask is not worn. • Damage to hearing if effective earmuffs are not worn. 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. Contents of carton • 2 x 80 Grit sanding belts (1 fitted on product) • Sanding frame • Spare drive belt • Dust canister set • Vacuum adaptor Assembly The Sander is packed, fully assembled, apart from the dust canister. 6 Know your product 1. Auxiliary handle 2. Main handle 3. Dust extraction canister 4. Lock-on button 5. On/Off trigger switch 6. Drive roller 7. Belt tension lever 8. Front belt roller 9. Belt rotation indicator 10. Tracking adjustment knob 11. Dust extraction port 12. Handle lock 13. Variable speed control knob 14. Sanding frame 7 1 5 4 2 3 7 10 12 11 13 6 8 9 14 Switching on and off 1. Pull the on/off trigger (5) upward to start the sander (fig. A). 2. By pulling the switch on and pressing the lock-on button (4), you can lock the sander on (fig. B). A B 3. Pulling the switch on again and releasing it turns the sander off. Adjusting the speed The speed can be adjusted to suit the material being sanded. 1. To adjust the speed, move the variable speed control (13) until you are satisfied that the speed is what you need for the job in hand (fig. C). Attaching a sanding sheet CAUTION: Switch off the sander and disconnect it from the power point. 1. Turn the belt tension lever (7) to release the tension on the belt and slide off the old belt (fig.D). 2. Check that the replacement belt has a good join and is not frayed at the edges. 3. Slip the new belt into position with the rotation arrow on the inside of the belt pointing in the same direction as the arrow on the sander (fig. E). C D 4. Turn the belt tension lever (7) anti-clockwise to re-tension the belt (fig. F). E F G 5. Plug the sander into a power point and with the sander held tight, pull the on/off trigger switch (5) and allow the belt to rotate for a short period (fig.G). 6. Whilst the belt is running, adjust the tracking knob (10) to align the belt to the centre of the roller (6). Repeat the trigger action and tracking adjustment until the belt is correctly aligned. Run the sander for a minute or so to ensure correct alignment before using the sander on a workpiece (fig. H). WARNING: Do not continue to use the sander with a sanding belt that is overworn or damaged. WARNING: Do not use the same sanding belt for wood and metal. Metal particles become embedded in the belt and will scour a wooden surface. Selecting the right grade of sanding belt Different grades of sanding belt can be purchased from your local hardware store. Typical grades are Coarse (40 grit), Medium (80 and 100 grit) and Fine (120 grit). H 8 Use Coarse grade to remove rough finishes, Medium grade to smooth the work and Fine grade to finish it off. It is best to make a trial run on a scrap piece of material to determine the optimum grades of belt for a particular job. In order to take full advantage of your sander, always purchase good quality belts. Note. After sanding with a belt sander, an orbital sander should be used to give a better surface finish. Sanding 1. The sander is designed for sanding wood, metal, plastic and similar materials. It is used mainly for quickly removing a large amount of material. Do not use this sander for sanding magnesium. 2. Ensure that the belt is in good condition. 3. Plug in the tool to the power socket. 4. Bring down the sander onto the work piece and apply light pressure (fig.I). 5. Pull up the trigger switch (5) and allow the belt to reach full speed before moving it across the work (fig.J). 6. Press the lock-on button (4) if you require continuous operation. 7. Sand with the grain, in parallel overlapping strokes. 8. To remove paint or smooth very rough wood, sand across the grain at 45. in two directions, and then finish parallel with the grain. 9. Use the front roller (8) only to sand corners or irregular shapes (fig.K). K I J L 10. Lift the sander off the work before switching off. 11. Remember to keep your hands away from the moving belt, as it will continue to move for a short time after the machine is switched off. 12. Wear safety goggles, a dust mask and earmuffs. Using the sanding frame Belt sanders are ideal for removing lots of material quickly. The sanding frame allows other functions, namely: • ...