Évaluations - 3, GPA: 4.7
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earthing terminals ................................ safety alert symbol FIG. 1 A FIG. 3 FIG. 2 REVERSING LEVER (Shown in Forward Position) SWITCH ASSEMBLY LOCK-OUT KEY 220 VOLT PLUG 2 385932-02/NStar220 Drills.7/2/02 3:49 PM Page 3 FIG. 4 ANTI-LOCK CONTROL INSTRUCTION LABEL INDICATOR LIGHT SPINDLE LOCK BUTTON Anti-Lock Control (DW239, DW249) Your DEWALT drill may come with an electronic feature called Anti-Lock Control. It is designed to help you control the drill during a stall and keep it from pulling out of your hands. This may be encountered when drilling in steel or using large bits in wood. As a stall situation presents itself, the motor cycles on and off for a set period of time. This takes up the reaction of the stall and allows you to keep the drill under control. The speed control senses your release of the trigger and resets the motor to run again. Figure 4 shows the instruction label mounted behind it. There are three alert signals. 1.) Check Level: One flash each time the trigger is depressed. Everything is functioning satisfactorily. If there is no flash, the tool should be returned to a DEWALT authorized service center for repair. 2.) Engaged Level: Should a stall condition still exist, the electronics will shut down the tool and the light will be steady on. When the unit is running in normal mode, there will be no light. 3.) Alert Mode: A series of continual flashes as the trigger is pulled indicates that the electronics are no longer functioning. The tool may still be able to function without the but should be serviced as soon as possible. Motor Brushes DEWALT uses an advanced brush system which automatically the drill when the brushes wear out. This prevents serious the motor. Switch To start drill, depress trigger switch; to stop the drill, release trigger. To lock trigger in the on position for continuous operation, depress trigger and push up locking button “A” shown in figure 1, then gently release the trigger. To release the locking mechanism, depress the trigger fully, then release it. Before using the tool each time, be sure that the locking button release mechanism is working freely. Do not lock the switch on when drilling by hand so that you can instantly release the trigger switch if the bit binds in the hole. The locking button is for use only when the drill is mounted in a drill press stand or otherwise held stationary. Be sure to release the locking button before disconnecting the plug from the power supply. Failure to do so will cause the tool to start immediately the next time it is plugged in. Damage or injury could result. THE VARIABLE SPEED TRIGGER SWITCH This switch permits speed control: the farther the trigger is depressed, the higher the speed of the drill. NOTE: Use lower speeds for starting holes without a center punch, drilling in metal or plastics, driving screws or drilling ceramics. Higher speeds are better for drilling wood and composition boards, and for using abrasive and polishing accessories. THE REVERSING LEVER The reversing lever changes the direction of rotation of the drill and is used when backing out screws and jammed drill bits. To operate the tool in reverse, release the trigger switch and push the lever to the left (when viewed from the chuck end) as shown in Figure 2. To English 3 385932-02/NStar220 Drills.7/2/02 3:49 PM Page 4 English operate the drill in forward for drilling holes as when using other accessories) release the lever to the right (when viewed from the chuck Return the reversing lever to the forward position in reverse are completed. SWITCH LOCK-ON Your drill is equipped with a switch lock-on feature. If you wish disable this feature, take your tool to any authorized service The service center can provide a lock-out key to prevent the unit being locked in the on position (Figure 3). Operation DRILLING 1. Always unplug the drill when attaching or changing bits or accessories. 2. Use sharp drill bits only. For WOOD, use twist drill bits, spade bits, power auger bits, or hole saws. For METAL, use high speed steel twist drill bits or hole saws. For MASONRY, such as brick, cement, cinder block, etc., use carbide-tipped bits. 3. Be sure the material to be drilled is anchored or clamped firmly. If drilling thin material, use a wood “back-up” block to prevent damage to the material. 4. Always apply pressure in a straight line with the bit. Use enough pressure to keep the drill biting, but do not push hard enough to stall the motor or deflect the bit. 5. Hold the tool firmly to control the twisting action of the drill. 6. IF THE DRILL STALLS, it is usually because it is being overloaded or improperly used. RELEASE THE TRIGGER IMMEDIATELY, remove the drill bit from work, and determine cause of stalling. DO NOT CLICK TRIGGER OFF AND ON IN AN ATTEMPT TO START A STALLED DRILL — THIS CAN DAMAGE THE DRILL. 7. To minimize stalling or breaking through the material, reduce pressure on drill and ease the bit through the last fractional part of the hol...