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manual abstract
Before starting to work always check that the chisel or drill bit is properly locked in the chuck. • Examine the chuck regularly for signs of wear or damage. Never start up a rotary hammer tool until it is pressed against a work piece(bracket, wall, ceiling, etc). 6 • Wear work gloves to protect fingers from bruising and abrasions. • Always check walls and ceilings for position of hidden power cables, pipes etc. A metal detector can be obtained from any good DIY store for this purpose. • Wear ear protectors. Exposure to noise can cause hearing loss. • Use auxiliary handles supplied with the tool. Loss of control can cause personal injury. Contents of carton The Rotary Hammer Drill is supplied with the following accessories: • Depth gauge rod • Auxiliary handle • SDS Drill bits: 8mm x 150mm 10mm x 150mm 12mm x 150mm • SDS Chisel bits Point chisel 14mm x 250mm Flat chisel 14mm x 250mm • 13mm Keyed chuck with SDS-Plus chuck adaptor • 13mm Keyed chuck key • Spanner • Grease pot • Spare set of brushes Know your product 1. Dust shield 2. Locking sleeve 3. Wing nut 4. Selector knob 5. Gearbox cover 6. Trigger switch 7. Hammer function switch 8. Auxiliary handle 9. Depth gauge 10. SDS Drill bits (x 3) 11. SDS Chisel bits (x2) 12. 13mm Keyed chuck key 13. 13mm Keyed chuck 14. Pin wrench 15. Dust cap 16. Gearbox grease pot 17. SDS-Plus chuck adaptor 18. Variable speed dial 889345672110111110101312161718 14 15 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. Inserting SDS bits WARNING. Always ensure that the drill is switched off and plug is removed from the power point before making any adjustments. 1. Apply a coating of universal grease to the end of the bit that is to be inserted into the SDS chuck. 2. Pull back the locking sleeve (2), insert the SDS Plus bit into the chuck opening and release the locking sleeve (2). Note. The SDS Plus bit needs to be inserted in a specific way to ensure it locks into the chuck. To check if it is properly inserted, attempt to pull the bit out of the chuck. If it can be removed without pulling back locking sleeve (2), rotate the bit a little and re-insert it until the bit locks firmly into place. Auxiliary handle 1. Loosen wing nut (3) anti- clockwise to loosen the collar and slip it over the chuck onto the drill. 2. Adjust the position of the handle to suit the application and add the depth gauge (9) if required. 3. Place the tip of the drill on the workpiece and push in the depth gauge until the desired hole depth is indicated on the depth gauge scale. Tighten wing nut (3). Using the dust protector cap The dust cap (15) can be used to give added protection against dust and debris entering the SDS chuck. 1. Place the cap over the shank of the bit and slide it forward until it rests against the shoulder of the bit. 2. Insert the bit into the SDS chuck as normal. Selecting the required function It is possible to use the Rotary Hammer Drill in three different modes: 1. Rotation only – for drilling into metal and wood products. 2. Rotary hammer – for drilling into brick, concrete and masonry products. 3. Hammer only – for chiseling brick, concrete and masonry products. To select the required mode of operation set the selector knob (4) and the hammer function switch (7) to the positions indicated. Note. To operate the selector knob (4), first push the button on the knob then turn it either to the or to the position as required. The hammer function switch (7) can be turned to the left or to the right as required. 9 Rotation only mode of operation Set the selector knob (4) to the position and the hammer function switch (7) to the right position. Rotary hammer mode of operation Set the selector knob (4) to the position and the hammer function switch (7) to the left position. Hammer only mode of operation Set the selector knob (4) to the position and the hammer function switch (7) to the left position. Fitting a keyed chuck WARNING. Always ensure that the drill is switched off and plug is removed from the power point before making any adjustments. The keyed chuck (13) can be fitted to the SDS chuck with the use of the in-built SDS chuck adaptor (17). The keyed chuck allows bits with a straight shank to be used with the tool. 1. Grip and pull back the locking sleeve (2) and insert the SDS chuck adaptor (17). 2. It may be necessary to turn the SDS chuck adaptor in order for it to locate properly. 3. Release the locking sleeve (2) to lock the adaptor in place. Ensure the chuck is secure. WARNING. The keyed chuck (13) is only to be used when drilling into wood and metal. It must not be used in the hammer mode of operation. Setting the speed The variable speed dial (18) allows you to change the operating speed of the tool. It is used to set t...